789 WUUS55 KPSR 110900 SVRPSR AZC013-110945- /O.NEW.KPSR.SV.W.0060.260811T0900Z-260811T0945Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Phoenix AZ 200 AM MST Tue Aug 11 2026 The National Weather Service in Phoenix has issued a * Severe Thunderstorm Warning for... Maricopa County in south central Arizona... * Until 245 AM MST. * At 200 AM MST, a severe thunderstorm was located near Buckeye, moving northwest at 15 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Goodyear, Buckeye, Tonopah, Palo Verde, Perryville, Liberty, Palo Verde Nuclear Generation Station, Wintersburg, Hassayampa, and Arlington. This includes the following highways... AZ Interstate 10 between mile markers 93 and 124. AZ Route 85 between mile markers 146 and 154. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 3344 11240 3328 11250 3333 11278 3345 11302 3371 11278 TIME...MOT...LOC 0900Z 120DEG 11KT 3343 11271 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ CK  556 WWUS53 KLOT 110902 SVSLOT Severe Weather Statement National Weather Service Chicago/Romeoville 402 AM CDT Tue Aug 11 2026 ILC111-110911- /O.CAN.KLOT.SV.W.0234.000000T0000Z-260811T0915Z/ McHenry IL- 402 AM CDT Tue Aug 11 2026 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN MCHENRY COUNTY IS CANCELLED... The storm which prompted the warning has moved out of the area. Therefore, the warning has been cancelled. Remember, a Severe Thunderstorm Warning still remains in effect for southeasern McHenry County and southwestern Lake County until 445 AM. && LAT...LON 4238 8834 4223 8870 4243 8871 4250 8846 4250 8843 TIME...MOT...LOC 0900Z 314DEG 22KT 4228 8845 $$ Yack  825 FZUS71 KCLE 110902 MWSCLE Marine Weather Statement National Weather Service Cleveland OH 502 AM EDT Tue Aug 11 2026 LEZ148-149-168-169-110912- /O.CAN.KCLE.MA.W.0088.000000T0000Z-260811T0915Z/ 502 AM EDT Tue Aug 11 2026 ...THE SPECIAL MARINE WARNING IS CANCELLED... The affected areas were... Nearshore and Open waters from Geneva-on-the-lake OH to Ripley NY... The thunderstorms have moved out of the area and no longer pose a significant threat to boaters. LAT...LON 4192 8054 4186 8075 4182 8088 4188 8096 4201 8094 4228 8004 4215 7993 TIME...MOT...LOC 0901Z 269DEG 27KT 4194 8020 4176 7999 $$ Sefcovic  289 WWUS51 KCLE 110904 SVSCLE Severe Weather Statement National Weather Service Cleveland OH 504 AM EDT Tue Aug 11 2026 PAC039-049-110913- /O.CAN.KCLE.SV.W.0219.000000T0000Z-260811T0915Z/ Erie PA-Crawford PA- 504 AM EDT Tue Aug 11 2026 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL ERIE AND NORTH CENTRAL CRAWFORD COUNTIES IS CANCELLED... The storm which prompted the warning has moved out of the area. Therefore, the warning has been cancelled. A Severe Thunderstorm Warning still remains in effect for Eastern Erie and Crawford Counties until 545 AM. To report severe weather, contact your nearest law enforcement agency. They will relay your report to the National Weather Service Cleveland. LAT...LON 4171 8025 4197 8025 4202 8000 4171 7995 TIME...MOT...LOC 0901Z 264DEG 20KT 4183 7994 $$ Sefcovic  113 WWUS53 KDTX 110904 SVSDTX Severe Weather Statement National Weather Service Detroit/Pontiac MI 504 AM EDT Tue Aug 11 2026 MIC091-110914- /O.CAN.KDTX.SV.W.0101.000000T0000Z-260811T0915Z/ Lenawee MI- 504 AM EDT Tue Aug 11 2026 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN LENAWEE COUNTY IS CANCELLED... The storm which prompted the warning has moved out of the area. Therefore, the warning has been cancelled. && LAT...LON 4200 8408 4193 8377 4172 8376 4171 8408 TIME...MOT...LOC 0903Z 302DEG 27KT 4185 8366 $$ KGK  373 WWUS53 KLOT 110905 SVSLOT Severe Weather Statement National Weather Service Chicago/Romeoville 405 AM CDT Tue Aug 11 2026 ILC097-111-110945- /O.CON.KLOT.SV.W.0235.000000T0000Z-260811T0945Z/ Lake IL-McHenry IL- 405 AM CDT Tue Aug 11 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 AM CDT FOR SOUTHWESTERN LAKE AND SOUTHERN MCHENRY COUNTIES... At 404 AM CDT, a severe thunderstorm was located over Bull Valley, or near Crystal Lake, moving southeast at 30 mph. HAZARD...60 mph wind gusts and nickel size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Palatine, Crystal Lake, Algonquin, Lake in the Hills, McHenry, Woodstock, Huntley, Lake Zurich, Wauconda, Barrington, Island Lake, Marengo, Cary, Hawthorn Woods, Hampshire, Johnsburg, Lakemoor, Lake Barrington, Fox River Grove, Barrington Hills, Wonder Lake, Kildeer, Lakewood, Oakwood Hills, and Prairie Grove. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4215 8802 4215 8851 4226 8864 4241 8830 TIME...MOT...LOC 0904Z 311DEG 26KT 4228 8836 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...0.88 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Yack  352 WUUS51 KCTP 110906 SVRCTP PAC123-111000- /O.NEW.KCTP.SV.W.0257.260811T0906Z-260811T1000Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service State College PA 506 AM EDT Tue Aug 11 2026 The National Weather Service in State College PA has issued a * Severe Thunderstorm Warning for... Warren County in north central Pennsylvania... * Until 600 AM EDT. * At 503 AM EDT, severe thunderstorms were located along a line extending from Wattsburg to near Riceville to near Titusville, moving east at 45 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Warren, Sheffield, Columbus, Youngsville, Russell, Spring Creek, Scandia, Lottsville, Grand Valley, Warren South, Garland, and Kinzua Dam. PRECAUTIONARY/PREPAREDNESS ACTIONS... Stay inside a well built structure and keep away from windows. Frequent cloud to ground lightning is occurring with these severe thunderstorms. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. && LAT...LON 4199 7892 4183 7892 4183 7895 4163 7896 4162 7902 4163 7961 4200 7960 TIME...MOT...LOC 0903Z 270DEG 40KT 4199 7979 4182 7968 4162 7978 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Lambert  848 FZUS71 KLWX 110906 MWSLWX Marine Weather Statement National Weather Service Baltimore MD/Washington DC 506 AM EDT Tue Aug 11 2026 ANZ531-532-539>541-111000- 506 AM EDT Tue Aug 11 2026 ...A STRONG THUNDERSTORM APPROACHING THE WATERS... The areas affected include... Chesapeake Bay from Pooles Island to Sandy Point MD... Chesapeake Bay from Sandy Point to North Beach MD... Chester River to Queenstown MD... Choptank River to Cambridge MD and the Little Choptank River... Eastern Bay... At 506 AM EDT, Doppler radar indicated a strong thunderstorm, capable of producing winds to around 30 knots. This thunderstorm was located over Annapolis, moving southeast at 25 knots. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners can expect gusty winds to around 30 knots, locally higher waves, lightning strikes, and heavy downpours. Boaters should seek safe harbor immediately until this storm passes. This strong thunderstorm will likely produce winds to around 30 knots, and could pose a serious hazard for boaters. A special marine warning may eventually be required when this strong thunderstorm reaches the nearshore waters. Boaters should consider heading for shore before this strong thunderstorm arrives. Report severe weather to the Coast Guard or nearest law enforcement agency. They will relay your report to the National Weather Service forecast office. && LAT...LON 3873 7623 3873 7626 3881 7621 3885 7627 3878 7633 3877 7633 3878 7627 3875 7630 3884 7652 3899 7649 3902 7642 3903 7642 3903 7641 3898 7633 3897 7620 3897 7624 3879 7619 $$ EST  874 FZUS73 KLOT 110907 MWSLOT Marine Weather Statement National Weather Service Chicago/Romeoville 407 AM CDT Tue Aug 11 2026 LMZ740-777-779-111000- /O.CON.KLOT.MA.W.0071.000000T0000Z-260811T1000Z/ 407 AM CDT Tue Aug 11 2026 ...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 500 AM CDT... For the following areas... Nearshore Waters from Winthrop Harbor to Wilmette Harbor... Open Waters from Winthrop Harbor to Michigan City out to Mid Lake... At 407 AM CDT, a severe thunderstorm was located 12 nm northeast of Wilmette Harbor, moving southeast at 20 knots. HAZARD...Wind gusts 34 knots or greater and large hail. SOURCE...Radar indicated. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. Large hail could result in structural damage. The severe thunderstorm will remain over mainly open waters. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. && LAT...LON 4242 8701 4213 8696 4198 8697 4211 8760 4221 8777 4225 8769 4231 8761 4241 8758 TIME...MOT...LOC 0907Z 295DEG 21KT 4222 8746 HAIL...>.75IN WIND...>34KTS $$ Yack  748 WWUS55 KPSR 110911 SVSPSR Severe Weather Statement National Weather Service Phoenix AZ 211 AM MST Tue Aug 11 2026 AZC013-110945- /O.CON.KPSR.SV.W.0060.000000T0000Z-260811T0945Z/ Maricopa AZ- 211 AM MST Tue Aug 11 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 AM MST FOR MARICOPA COUNTY... At 210 AM MST, a severe thunderstorm was located near Buckeye, moving northwest at 20 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Goodyear, Buckeye, Tonopah, Palo Verde, Perryville, Liberty, Palo Verde Nuclear Generation Station, Wintersburg, and Hassayampa. This includes the following highways... AZ Interstate 10 between mile markers 93 and 124. AZ Route 85 between mile markers 149 and 154. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 3344 11240 3336 11249 3333 11278 3345 11302 3371 11278 TIME...MOT...LOC 0910Z 139DEG 16KT 3354 11273 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ CK  530 WGUS71 KPBZ 110911 FFSPBZ Flash Flood Statement National Weather Service Pittsburgh PA 511 AM EDT Tue Aug 11 2026 OHC019-029-110921- /O.EXP.KPBZ.FF.W.0098.000000T0000Z-260811T0915Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Carroll OH-Columbiana OH- 511 AM EDT Tue Aug 11 2026 ...FLASH FLOOD WARNING WILL EXPIRE AT 515 AM EDT EARLY THIS MORNING FOR NORTHEASTERN CARROLL AND COLUMBIANA COUNTIES... The heavy rain has ended. Please continue to heed remaining road closures. A Flood Watch remains in effect until 800 AM EDT Wednesday for portions of east central Ohio, southwest Pennsylvania, and West Virginia. && LAT...LON 4073 8106 4074 8109 4090 8109 4090 8090 4093 8090 4093 8082 4090 8082 4090 8052 4078 8052 4060 8080 $$ Frazier  528 WUUS53 KFSD 110915 SVRFSD IAC119-167-SDC083-111000- /O.NEW.KFSD.SV.W.0225.260811T0915Z-260811T1000Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Sioux Falls SD 415 AM CDT Tue Aug 11 2026 The National Weather Service in Sioux Falls has issued a * Severe Thunderstorm Warning for... Southwestern Lyon County in northwestern Iowa... Northwestern Sioux County in northwestern Iowa... Central Lincoln County in southeastern South Dakota... * Until 500 AM CDT. * At 415 AM CDT, a severe thunderstorm was located near Newton Hills State Park, or near Canton, moving north at 10 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * This severe thunderstorm will be near... Canton and Worthing around 420 AM CDT. Inwood around 435 AM CDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4316 9653 4326 9681 4342 9681 4333 9639 TIME...MOT...LOC 0915Z 196DEG 9KT 4326 9662 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ AP  899 WWUS53 KIWX 110915 SVSIWX Severe Weather Statement National Weather Service Northern Indiana 515 AM EDT Tue Aug 11 2026 OHC051-110925- /O.EXP.KIWX.SV.W.0256.000000T0000Z-260811T0915Z/ Fulton OH- 515 AM EDT Tue Aug 11 2026 ...THE SEVERE THUNDERSTORM WARNING FOR FULTON COUNTY HAS EXPIRED... The storm which prompted the warning has moved out of the area. Therefore, the warning has been allowed to expire. However, small hail and heavy rain are still possible with this thunderstorm. && LAT...LON 4149 8389 4149 8411 4170 8440 4172 8388 TIME...MOT...LOC 0915Z 306DEG 27KT 4151 8394 $$ FISHER  226 WWUS53 KLOT 110916 SVSLOT Severe Weather Statement National Weather Service Chicago/Romeoville 416 AM CDT Tue Aug 11 2026 ILC097-111-110926- /O.CAN.KLOT.SV.W.0235.000000T0000Z-260811T0945Z/ Lake IL-McHenry IL- 416 AM CDT Tue Aug 11 2026 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN LAKE AND SOUTHERN MCHENRY COUNTIES IS CANCELLED... The storm which prompted the warning has weakened below severe limits, and no longer poses an immediate threat to life or property. Therefore, the warning has been cancelled. && LAT...LON 4215 8802 4215 8851 4226 8864 4241 8830 TIME...MOT...LOC 0913Z 306DEG 28KT 4222 8826 $$ Yack  740 WHUS53 KIWX 110917 SMWIWX LMZ043-046-080-111045- /O.NEW.KIWX.MA.W.0041.260811T0917Z-260811T1045Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Northern Indiana 517 AM EDT Tue Aug 11 2026 The National Weather Service in Northern Indiana has issued a * Special Marine Warning for... Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to mid-line of lake.... Michigan City IN to New Buffalo MI... New Buffalo MI to St Joseph MI... * Until 645 AM EDT. * At 517 AM EDT, a severe thunderstorm was located 17 nm east of Wilmette Harbor, moving southeast at 30 knots. HAZARD...Wind gusts to 40 knots and large hail. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. Large hail could result in structural damage. * Locations impacted include... New Buffalo and Michigan City. PRECAUTIONARY/PREPAREDNESS ACTIONS... Frequent lightning is occurring with this storm. If caught on the open water stay below deck if possible, keep away from ungrounded metal objects. && LAT...LON 4179 8696 4179 8697 4212 8696 4213 8657 4211 8649 4194 8658 4189 8662 4180 8675 4179 8676 4172 8691 TIME...MOT...LOC 0917Z 299DEG 29KT 4213 8729 HAIL...>.75IN WIND...40KTS $$ FISHER  042 WWUS51 KCLE 110918 SVSCLE Severe Weather Statement National Weather Service Cleveland OH 518 AM EDT Tue Aug 11 2026 OHC095-123-143-173-111000- /O.CON.KCLE.SV.W.0221.000000T0000Z-260811T1000Z/ Ottawa OH-Sandusky OH-Wood OH-Lucas OH- 518 AM EDT Tue Aug 11 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 AM EDT FOR OTTAWA...NORTHWESTERN SANDUSKY...NORTHERN WOOD AND LUCAS COUNTIES... At 518 AM EDT, severe thunderstorms were located along a line extending from near Genoa to near Swanton, moving southeast at 35 mph. HAZARD...60 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect damage to trees and power lines. Locations impacted include... Toledo, Bowling Green, Swanton, Perrysburg, Oregon, Rossford, Waterville, Northwood, Whitehouse, Genoa, Woodville, Holland, Elmore, Maumee, Ottawa Hills, Walbridge, Millbury, Haskins, Luckey, and Grand Rapids. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with these storms, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4162 8388 4166 8387 4171 8329 4167 8324 4165 8315 4163 8312 4146 8321 4146 8334 4134 8388 TIME...MOT...LOC 0918Z 302DEG 29KT 4158 8339 4153 8390 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.25 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Sefcovic  713 WWUS55 KPSR 110919 SVSPSR Severe Weather Statement National Weather Service Phoenix AZ 219 AM MST Tue Aug 11 2026 AZC013-110945- /O.CON.KPSR.SV.W.0060.000000T0000Z-260811T0945Z/ Maricopa AZ- 219 AM MST Tue Aug 11 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 AM MST FOR MARICOPA COUNTY... At 219 AM MST, a severe thunderstorm was located 8 miles northwest of Buckeye, moving northwest at 15 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Buckeye and Tonopah. This includes the following highways... AZ Interstate 10 between mile markers 95 and 113. AZ Route 85 near mile marker 154. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 3354 11254 3341 11262 3341 11273 3351 11296 3371 11278 TIME...MOT...LOC 0919Z 120DEG 11KT 3355 11276 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ CK  253 FZUS73 KDTX 110920 MWSDTX Marine Weather Statement National Weather Service Detroit/Pontiac MI 520 AM EDT Tue Aug 11 2026 LEZ444-111015- 520 AM EDT Tue Aug 11 2026 ...STRONG THUNDERSTORMS APPROACHING THE WATERS... The areas affected include... Michigan Waters of Lake Erie from Detroit River to North Cape MI... At 520 AM EDT, Doppler radar indicated strong thunderstorms, capable of producing winds up to 30 knots and small hail. These thunderstorms were located along a line extending from 10 nm west of Bolles Harbor Of Refuge to near Luna Pier to North Cape, moving east at 15 knots. Locations impacted include... Estral Beach, Bolles Harbor Of Refuge, Woodland Beach, Monroe Harbor, Luna Pier, Detroit River Light, Detroit Beach, North Cape, and Stony Point. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners can expect gusty winds up to 30 knots, locally higher waves, and lightning strikes. Boaters should seek safe harbor immediately until these storms pass. && LAT...LON 4172 8346 4173 8345 4175 8349 4190 8338 4195 8331 4193 8328 4198 8325 4203 8320 4202 8318 4200 8319 4200 8317 4202 8316 4202 8315 4201 8314 4196 8311 4180 8333 4172 8340 $$ KGK  754 WGUS51 KILN 110929 FFWILN OHC045-049-073-089-111230- /O.NEW.KILN.FF.W.0051.260811T0929Z-260811T1230Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Wilmington OH 529 AM EDT Tue Aug 11 2026 The National Weather Service in Wilmington has issued a * Flash Flood Warning for... Fairfield County in central Ohio... Eastern Franklin County in central Ohio... Hocking County in central Ohio... Southwestern Licking County in central Ohio... * Until 830 AM EDT. * At 529 AM EDT, local law enforcement reported flash flooding across the warned area. Between 1 and 2.5 inches of rain have fallen. Additional rainfall amounts of 1 to 2 inches are possible. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Law enforcement reported. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that may experience flash flooding include... Columbus, Lancaster, Westerville, Reynoldsburg, Gahanna, Pickerington, Worthington, Bexley, Logan, Pataskala, Canal Winchester, Groveport, Baltimore, Bremen, Minerva Park, Millersport, Pleasantville and Hide-A-Way Hills. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. To report flash flooding, go to our website at weather.gov/iln and submit your report via social media, when you can do so safely. && LAT...LON 3980 8299 3984 8303 4006 8304 4013 8301 4012 8277 3992 8257 3992 8246 3984 8247 3983 8240 3974 8240 3974 8237 3960 8238 3959 8226 3956 8216 3947 8217 3947 8228 3938 8229 3940 8244 3967 8284 3979 8282 FLASH FLOOD...OBSERVED $$ McGinnis  038 FZUS73 KLOT 110929 MWSLOT Marine Weather Statement National Weather Service Chicago/Romeoville 429 AM CDT Tue Aug 11 2026 LMZ740-110939- /O.CAN.KLOT.MA.W.0071.000000T0000Z-260811T1000Z/ 429 AM CDT Tue Aug 11 2026 ...THE SPECIAL MARINE WARNING IS CANCELLED... The affected areas were... Nearshore Waters from Winthrop Harbor to Wilmette Harbor... The thunderstorm has moved out of the warned area and no longer poses a significant threat to boaters. && LAT...LON 4242 8701 4213 8696 4198 8697 4211 8760 4228 8740 4241 8730 TIME...MOT...LOC 0929Z 296DEG 25KT 4213 8727 $$ LMZ777-779-111000- /O.CON.KLOT.MA.W.0071.000000T0000Z-260811T1000Z/ 429 AM CDT Tue Aug 11 2026 ...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 500 AM CDT... For the following areas... Open Waters from Winthrop Harbor to Michigan City out to Mid Lake... At 429 AM CDT, a severe thunderstorm was located 18 nm east of Wilmette Harbor, moving southeast at 25 knots. HAZARD...Wind gusts 34 knots or greater and large hail. SOURCE...Radar indicated. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. Large hail could result in structural damage. The severe thunderstorm will remain over mainly open waters. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. && LAT...LON 4242 8701 4213 8696 4198 8697 4211 8760 4228 8740 4241 8730 TIME...MOT...LOC 0929Z 296DEG 25KT 4213 8727 HAIL...>.75IN WIND...>34KTS $$ Yack  692 WWUS55 KPSR 110931 SVSPSR Severe Weather Statement National Weather Service Phoenix AZ 231 AM MST Tue Aug 11 2026 AZC013-110945- /O.CON.KPSR.SV.W.0060.000000T0000Z-260811T0945Z/ Maricopa AZ- 231 AM MST Tue Aug 11 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 AM MST FOR MARICOPA COUNTY... At 231 AM MST, a severe thunderstorm was located 12 miles northeast of Tonopah, moving northwest at 10 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Buckeye. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 3361 11263 3351 11274 3358 11289 3371 11278 TIME...MOT...LOC 0931Z 140DEG 9KT 3364 11279 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ CK  392 WWUS53 KFSD 110931 SVSFSD Severe Weather Statement National Weather Service Sioux Falls SD 431 AM CDT Tue Aug 11 2026 IAC119-167-SDC083-111000- /O.CON.KFSD.SV.W.0225.000000T0000Z-260811T1000Z/ Lyon IA-Sioux IA-Lincoln SD- 431 AM CDT Tue Aug 11 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 AM CDT FOR SOUTHWESTERN LYON...NORTHWESTERN SIOUX AND CENTRAL LINCOLN COUNTIES... At 431 AM CDT, a severe thunderstorm was located over Canton, moving north at 10 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. This severe storm will be near... Canton and Inwood around 435 AM CDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4317 9652 4328 9681 4342 9681 4333 9639 TIME...MOT...LOC 0931Z 196DEG 9KT 4330 9660 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ AP  317 WUUS51 KCLE 110932 SVRCLE OHC123-143-173-111030- /O.NEW.KCLE.SV.W.0222.260811T0932Z-260811T1030Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Cleveland OH 532 AM EDT Tue Aug 11 2026 The National Weather Service in Cleveland has issued a * Severe Thunderstorm Warning for... Ottawa County in northwestern Ohio... Sandusky County in northwestern Ohio... Wood County in northwestern Ohio... * Until 630 AM EDT. * At 531 AM EDT, severe thunderstorms were located along a line extending from near Elmore to near Waterville, moving southeast at 35 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Minor damage to vehicles is possible. Expect damage to trees and power lines. * Locations impacted include... Bowling Green, Fremont, Perrysburg, Bellevue, Clyde, Waterville, Oak Harbor, Gibsonburg, Genoa, Woodville, Weston, Elmore, Green Springs, Ballville, Pemberville, Haskins, Luckey, Bradner, Grand Rapids, and Wayne. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Large hail, damaging wind, and continuous cloud to ground lightning are occurring with these storms. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. Torrential rainfall is occurring with these storms, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4146 8375 4151 8371 4155 8318 4142 8291 4144 8289 4144 8285 4125 8284 4124 8388 4141 8388 TIME...MOT...LOC 0931Z 302DEG 29KT 4151 8330 4146 8375 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Sefcovic  399 WWUS51 KCLE 110933 SVSCLE Severe Weather Statement National Weather Service Cleveland OH 533 AM EDT Tue Aug 11 2026 PAC039-049-110942- /O.CAN.KCLE.SV.W.0220.000000T0000Z-260811T0945Z/ Erie PA-Crawford PA- 533 AM EDT Tue Aug 11 2026 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN ERIE AND NORTHEASTERN CRAWFORD COUNTIES IS CANCELLED... The storms which prompted the warning have weakened below severe limits, and no longer pose an immediate threat to life or property. Therefore, the warning has been cancelled. To report severe weather, contact your nearest law enforcement agency. They will relay your report to the National Weather Service Cleveland. LAT...LON 4162 7982 4161 7983 4157 7990 4157 8005 4198 8009 4200 7976 4200 7962 4199 7961 4162 7961 TIME...MOT...LOC 0930Z 255DEG 27KT 4198 7964 4173 7961 $$ Sefcovic  000 WGUS71 KLWX 110935 FFSLWX Flash Flood Statement National Weather Service Baltimore MD/Washington DC 535 AM EDT Tue Aug 11 2026 MDC023-110945- /O.CAN.KLWX.FF.W.0038.000000T0000Z-260811T1000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Garrett MD- 535 AM EDT Tue Aug 11 2026 ...FLASH FLOOD WARNING FOR NORTHERN GARRETT COUNTY HAS BEEN REPLACED WITH A FLOOD WARNING... Several roads remained closed this morning mainly along the Cassleman River as water continues to overflow it's banks. The river has risen to 4.99 feet as of 430am this morning (which is a 4 feet rise since 1am) and has slowly started to crest. Expect flooding to continue over the next few hours. Roads closures include Dung Hill Road, Durst Road, Bittinger Road, Maple Grove ROad, and Jennings Road. && LAT...LON 3957 7948 3972 7948 3972 7893 3958 7901 $$ EST  588 WWUS51 KCLE 110935 SVSCLE Severe Weather Statement National Weather Service Cleveland OH 535 AM EDT Tue Aug 11 2026 OHC095-123-143-173-111000- /O.CON.KCLE.SV.W.0221.000000T0000Z-260811T1000Z/ Ottawa OH-Sandusky OH-Wood OH-Lucas OH- 535 AM EDT Tue Aug 11 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 AM EDT FOR OTTAWA...NORTHWESTERN SANDUSKY...NORTHERN WOOD AND SOUTHWESTERN LUCAS COUNTIES... At 535 AM EDT, severe thunderstorms were located along a line extending from near Elmore to near Waterville, moving southeast at 35 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Minor damage to vehicles is possible. Expect damage to trees and power lines. Locations impacted include... Toledo, Bowling Green, Swanton, Perrysburg, Rossford, Waterville, Northwood, Whitehouse, Genoa, Woodville, Elmore, Maumee, Walbridge, Millbury, Haskins, Luckey, Grand Rapids, Rocky Ridge, Tontogany, and Clay Center. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Continuous cloud to ground lightning is occurring with these storms. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. Torrential rainfall is occurring with these storms, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4160 8388 4162 8313 4146 8321 4146 8334 4134 8388 TIME...MOT...LOC 0935Z 308DEG 32KT 4149 8325 4144 8372 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Sefcovic  164 WWUS51 KCTP 110938 SVSCTP Severe Weather Statement National Weather Service State College PA 538 AM EDT Tue Aug 11 2026 PAC123-110947- /O.CAN.KCTP.SV.W.0257.000000T0000Z-260811T1000Z/ Warren PA- 538 AM EDT Tue Aug 11 2026 ...THE SEVERE THUNDERSTORM WARNING FOR WARREN COUNTY IS CANCELLED... The storms which prompted the warning have weakened below severe limits, and no longer pose an immediate threat to life or property. Therefore, the warning has been cancelled. However, gusty westerly winds of 30 to 40 mph are still possible with the weakened showers and thunderstorms. && LAT...LON 4199 7892 4183 7892 4183 7895 4163 7896 4162 7902 4163 7961 4200 7960 TIME...MOT...LOC 0935Z 270DEG 40KT 4199 7931 4182 7920 4162 7930 $$ Lambert  341 WWUS55 KPSR 110940 SVSPSR Severe Weather Statement National Weather Service Phoenix AZ 240 AM MST Tue Aug 11 2026 AZC013-110950- /O.EXP.KPSR.SV.W.0060.000000T0000Z-260811T0945Z/ Maricopa AZ- 240 AM MST Tue Aug 11 2026 ...THE SEVERE THUNDERSTORM WARNING FOR MARICOPA COUNTY WILL EXPIRE AT 245 AM MST... The storm which prompted the warning has weakened below severe limits, and has exited the warned area. Therefore, the warning will be allowed to expire. && LAT...LON 3361 11263 3351 11274 3358 11289 3371 11278 TIME...MOT...LOC 0940Z 120DEG 11KT 3364 11280 $$ CK  406 WWUS53 KFSD 110941 SVSFSD Severe Weather Statement National Weather Service Sioux Falls SD 441 AM CDT Tue Aug 11 2026 IAC119-167-SDC083-111000- /O.CON.KFSD.SV.W.0225.000000T0000Z-260811T1000Z/ Lyon IA-Sioux IA-Lincoln SD- 441 AM CDT Tue Aug 11 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 AM CDT FOR SOUTHWESTERN LYON...NORTHWESTERN SIOUX AND EAST CENTRAL LINCOLN COUNTIES... At 441 AM CDT, a severe thunderstorm was located over Canton, moving north at 10 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. This severe storm will be near... Inwood around 445 AM CDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4317 9652 4322 9665 4337 9658 4333 9639 TIME...MOT...LOC 0941Z 196DEG 9KT 4332 9659 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ AP  562 WGUS51 KCLE 110943 FFWCLE OHC043-111145- /O.EXT.KCLE.FF.W.0026.000000T0000Z-260811T1145Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Cleveland OH 543 AM EDT Tue Aug 11 2026 The National Weather Service in Cleveland has extended the * Flash Flood Warning for... Erie County in north central Ohio... * Until 745 AM EDT. * At 543 AM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1.5 and 3 inches of rain fell earlier in the overnight. Additional rainfall amounts this morning of 0.5 to 1.5 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Sandusky, Northern Milan, Castalia and Bloomingville. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. && LAT...LON 4146 8278 4141 8273 4135 8260 4133 8256 4129 8258 4129 8284 4131 8284 4134 8284 4137 8284 4139 8285 4140 8285 4141 8285 4145 8285 FLASH FLOOD...RADAR INDICATED $$ 03  115 FZUS73 KLOT 110948 MWSLOT Marine Weather Statement National Weather Service Chicago/Romeoville 448 AM CDT Tue Aug 11 2026 LMZ777-779-111000- /O.CON.KLOT.MA.W.0071.000000T0000Z-260811T1000Z/ 448 AM CDT Tue Aug 11 2026 ...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 500 AM CDT... For the following areas... Open Waters from Winthrop Harbor to Michigan City out to Mid Lake... At 448 AM CDT, a severe thunderstorm was located 18 nm northeast of Harrison-Dever Crib, moving east at 30 knots. HAZARD...Wind gusts 34 knots or greater and large hail. SOURCE...Radar indicated. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. Large hail could result in structural damage. The severe thunderstorm will remain over mainly open waters. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. && LAT...LON 4242 8701 4213 8696 4198 8697 4207 8742 4241 8712 TIME...MOT...LOC 0948Z 286DEG 31KT 4208 8722 HAIL...>.75IN WIND...>34KTS $$ Yack  459 WUUS53 KIWX 110948 SVRIWX INC049-085-099-111015- /O.NEW.KIWX.SV.W.0257.260811T0948Z-260811T1015Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Northern Indiana 548 AM EDT Tue Aug 11 2026 The National Weather Service in Northern Indiana has issued a * Severe Thunderstorm Warning for... Southwestern Kosciusko County in north central Indiana... Northwestern Fulton County in north central Indiana... Southern Marshall County in north central Indiana... * Until 615 AM EDT. * At 548 AM EDT, a severe thunderstorm was located near Culver, or 10 miles northwest of Rochester, moving east at 40 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Bourbon, Argos, Culver, Mentone, Walnut, Tippecanoe, Etna Green, Burket, Leiters Ford, Hoffman Lake, Rutland, Maxinkuckee, Palestine, Hibbard, Old Tip Town, Sevastopol, Delong, Tiosa, Talma, and Inwood. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4107 8639 4124 8646 4137 8603 4110 8590 TIME...MOT...LOC 0948Z 259DEG 36KT 4117 8634 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ FISHER  794 WWUS53 KFSD 110950 SVSFSD Severe Weather Statement National Weather Service Sioux Falls SD 450 AM CDT Tue Aug 11 2026 IAC119-167-SDC083-110959- /O.CAN.KFSD.SV.W.0225.000000T0000Z-260811T1000Z/ Lyon IA-Sioux IA-Lincoln SD- 450 AM CDT Tue Aug 11 2026 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN LYON... NORTHWESTERN SIOUX AND EAST CENTRAL LINCOLN COUNTIES IS CANCELLED... The storm which prompted the warning has weakened below severe limits, and no longer poses an immediate threat to life or property. Therefore, the warning has been cancelled. && LAT...LON 4317 9652 4322 9665 4337 9658 4333 9639 TIME...MOT...LOC 0948Z 196DEG 9KT 4334 9658 $$ AP  475 WWUS51 KCLE 110950 SVSCLE Severe Weather Statement National Weather Service Cleveland OH 550 AM EDT Tue Aug 11 2026 OHC095-110959- /O.CAN.KCLE.SV.W.0221.000000T0000Z-260811T1000Z/ Lucas OH- 550 AM EDT Tue Aug 11 2026 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN LUCAS COUNTY IS CANCELLED... The storms which prompted the warning have moved out of the warned area. Therefore, the warning has been cancelled. LAT...LON 4146 8375 4149 8371 4151 8371 4155 8318 4146 8321 4146 8334 4134 8388 4141 8388 TIME...MOT...LOC 0949Z 308DEG 32KT 4142 8312 4136 8359 $$ OHC123-143-173-111000- /O.CON.KCLE.SV.W.0221.000000T0000Z-260811T1000Z/ Ottawa OH-Sandusky OH-Wood OH- 550 AM EDT Tue Aug 11 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 AM EDT FOR OTTAWA...NORTHWESTERN SANDUSKY AND CENTRAL WOOD COUNTIES... At 549 AM EDT, severe thunderstorms were located along a line extending from near Fremont to near Bowling Green, moving southeast at 35 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Minor damage to vehicles is possible. Expect damage to trees and power lines. Locations impacted include... Bowling Green, Perrysburg, Genoa, Woodville, Elmore, Haskins, Luckey, Grand Rapids, Rocky Ridge, Tontogany, and Stony Ridge. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Continuous cloud to ground lightning is occurring with these storms. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. Torrential rainfall is occurring with these storms, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4146 8375 4149 8371 4151 8371 4155 8318 4146 8321 4146 8334 4134 8388 4141 8388 TIME...MOT...LOC 0949Z 308DEG 32KT 4142 8312 4136 8359 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Sefcovic  156 WUUS51 KCLE 110958 SVRCLE OHC043-063-077-147-173-111100- /O.NEW.KCLE.SV.W.0223.260811T0958Z-260811T1100Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Cleveland OH 558 AM EDT Tue Aug 11 2026 The National Weather Service in Cleveland has issued a * Severe Thunderstorm Warning for... Huron County in north central Ohio... Seneca County in northwestern Ohio... Erie County in north central Ohio... Southeastern Wood County in northwestern Ohio... Northeastern Hancock County in northwestern Ohio... * Until 700 AM EDT. * At 558 AM EDT, severe thunderstorms were located along a line extending from near Clyde to 7 miles northwest of Fostoria, moving southeast at 45 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to trees and power lines. * Locations impacted include... Tiffin, Norwalk, Fostoria, Bellevue, Willard, North Baltimore, New London, Plymouth, Milan, Northern Milan, Bloomville, Castalia, Arcadia, New Riegel, Greenwich, Monroeville, Attica, Bloomdale, Bettsville, and Cygnet. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Large hail, damaging wind, and continuous cloud to ground lightning are occurring with these storms. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. Torrential rainfall is occurring with these storms, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4124 8371 4125 8284 4143 8285 4114 8234 4107 8234 4106 8244 4099 8244 4099 8343 TIME...MOT...LOC 0958Z 301DEG 37KT 4134 8297 4126 8349 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...0.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Sefcovic