680 FZUS72 KMLB 231907 MWSMLB Marine Weather Statement National Weather Service Melbourne FL 307 PM EDT Sun Aug 23 2026 AMZ550-552-231945- 307 PM EDT Sun Aug 23 2026 A Marine Weather Statement has been issued for the following areas... Flagler Beach to Volusia-Brevard County Line 0-20 nm... Volusia-Brevard County Line to Sebastian Inlet 0-20 nm... At 307 PM EDT, Doppler radar indicated a strong thunderstorm, capable of producing winds to around 30 knots. This thunderstorm was located over Oak Hill, moving east at 10 knots. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners can expect gusty winds to around 30 knots, locally higher waves, and lightning strikes. Boaters should seek safe harbor immediately until this storm passes. Frequent cloud to water lightning is occurring with this storm. If caught on the open water stay below deck and, if possible, avoid ungrounded metal objects. Remember, lightning can strike beyond 10 miles away from a thunderstorm. && LAT...LON 2884 8085 2889 8088 2900 8047 2870 8027 2866 8070 2867 8073 2865 8075 2864 8085 2880 8089 $$ Watson  081 WGUS55 KSLC 231914 FFWSLC UTC055-232215- /O.NEW.KSLC.FF.W.0083.260823T1914Z-260823T2215Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Salt Lake City UT 114 PM MDT Sun Aug 23 2026 The National Weather Service in Salt Lake City has issued a * Flash Flood Warning for... South Central Wayne County in southern Utah... * Until 415 PM MDT. * At 114 PM MDT, Doppler radar indicated thunderstorms producing heavy rain across portions of Capitol Reef National Park, including Grand Wash, Wonderland Canyon, Timpie Canyon, and Capitol Gorge. Between 0.25 and 0.75 inches of rain have fallen. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar indicated. IMPACT...Life threatening flash flooding of creeks, streams, slot canyons, and normally dry washes. * Some locations that will experience flash flooding include... Caineville and portions of Capitol Reef National Park, including Grand Wash, Wonderland Canyon, Timpie Canyon, and Capitol Gorge. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Remain alert for flooding even in locations not receiving rain. Dry washes, streams, and rivers can become raging killer currents in a matter of minutes, even from distant rainfall. Flooding is occurring or is imminent. It is important to know where you are relative to streams, rivers, or creeks which can become killers in heavy rains. Campers and hikers should avoid streams or creeks. && LAT...LON 3823 11131 3829 11120 3829 11109 3834 11103 3832 11100 3826 11104 3817 11123 FLASH FLOOD...RADAR INDICATED FLASH FLOOD DAMAGE THREAT...CONSIDERABLE $$ JAC  481 FZUS74 KLIX 231924 MWSLIX Marine Weather Statement National Weather Service New Orleans LA 224 PM CDT Sun Aug 23 2026 GMZ554-232030- 224 PM CDT Sun Aug 23 2026 A Marine Weather Statement has been issued for the following areas... Coastal Waters from Boothville LA to Southwest Pass of the Mississippi River out 20 nm... At 224 PM CDT, Doppler radar indicated a strong thunderstorm, capable of producing winds to around 30 knots and weak waterspouts. This thunderstorm was located 10 nm east of Southwest Pass Of the Mississippi River. The thunderstorm was nearly stationary. Mariners can expect gusty winds to around 30 knots, locally higher waves and dangerous lightning strikes. Boaters should seek safe harbor immediately until this activity passes. Brief, weak waterspouts are possible with this activity. Remain on alert in case warnings are issued for waterspout development. && LAT...LON 2887 8912 2888 8929 2905 8927 2901 8904 $$ Zeringue  910 WUUS53 KUNR 231936 SVRUNR SDC081-103-232030- /O.NEW.KUNR.SV.W.0315.260823T1936Z-260823T2030Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Rapid City SD 136 PM MDT Sun Aug 23 2026 The National Weather Service in Rapid City has issued a * Severe Thunderstorm Warning for... Southeastern Lawrence County in west central South Dakota... West Central Pennington County in west central South Dakota... * Until 230 PM MDT. * At 136 PM MDT, a severe thunderstorm was located near Silver City, or 15 miles north of Hill City, moving southeast at 15 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Hill City, Johnson Siding, Nemo, Silver City, Hisega, Mystic, Pactola Reservoir and Sheridan Lake. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds and large hail. && LAT...LON 4413 10371 4422 10354 4420 10347 4419 10345 4414 10345 4414 10341 4406 10335 4389 10358 TIME...MOT...LOC 1936Z 317DEG 10KT 4414 10356 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Helgeson  602 FZUS72 KILM 231938 MWSILM Marine Weather Statement National Weather Service Wilmington NC 338 PM EDT Sun Aug 23 2026 AMZ254-256-232030- 338 PM EDT Sun Aug 23 2026 ...STRONG THUNDERSTORMS APPROACHING THE WATERS... The areas affected include... Coastal waters from Little River Inlet to Murrells Inlet SC out 20 NM... Coastal waters from Murrells Inlet to South Santee River SC out 20 NM... At 338 PM EDT, Doppler radar indicated strong thunderstorms, capable of producing winds to around 30 knots and small hail. These thunderstorms were located along a line extending from Garden City to near Pawleys Island, moving east at 10 knots. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners can expect gusty winds to around 30 knots, locally higher waves, and lightning strikes. Boaters should seek safe harbor immediately until these storms pass. If caught on the open water, prepare for deteriorating conditions. Make sure you and your crew are wearing properly fitted life jackets. Intense lightning is occurring with these storms. If caught on the open water, stay below deck if possible, and keep away from ungrounded metal objects. && LAT...LON 3340 7914 3348 7909 3365 7893 3365 7875 3322 7900 3333 7916 $$ VAO  350 WHUS52 KMLB 231947 SMWMLB AMZ552-232030- /O.NEW.KMLB.MA.W.0253.260823T1947Z-260823T2030Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Melbourne FL 347 PM EDT Sun Aug 23 2026 The National Weather Service in Melbourne has issued a * Special Marine Warning for... Volusia-Brevard County Line to Sebastian Inlet 0-20 nm... * Until 430 PM EDT. * At 347 PM EDT, a strong thunderstorm was located near Sharpes, moving east at 10 knots. HAZARD...Wind gusts 34 knots or greater. SOURCE...Radar. IMPACT...Expect wind gusts in excess of 34 knots, suddenly higher waves, lightning and heavy downpours. Make sure all on board are wearing life jackets. Return to safe harbor if possible. * Locations impacted include... Port Canaveral, Jetty Park, Sharpes, Cape Canaveral, and Bellwood. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. Frequent cloud to water lightning is occurring with this storm. If caught on the open water stay below deck and, if possible, avoid ungrounded metal objects. Remember, lightning can strike beyond 10 miles away from a thunderstorm. && LAT...LON 2863 8068 2862 8064 2864 8066 2874 8050 2837 8034 2832 8073 2839 8077 2854 8082 TIME...MOT...LOC 1947Z 250DEG 11KT 2847 8066 HAIL...0.00IN WIND...>34KTS $$ Haley  197 WWUS53 KUNR 231951 SVSUNR Severe Weather Statement National Weather Service Rapid City SD 151 PM MDT Sun Aug 23 2026 SDC081-103-232030- /O.CON.KUNR.SV.W.0315.000000T0000Z-260823T2030Z/ Lawrence SD-Pennington SD- 151 PM MDT Sun Aug 23 2026 ...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 PM MDT FOR SOUTHEASTERN LAWRENCE AND WEST CENTRAL PENNINGTON COUNTIES... At 151 PM MDT, a severe thunderstorm was located over Silver City, or 13 miles north of Hill City, moving southeast 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. Locations impacted include... Hill City, Johnson Siding, Nemo, Silver City, Hisega, Pactola Reservoir and Sheridan Lake. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds and large hail. Very heavy rainfall is also occurring with this storm and may lead to localized flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4413 10367 4417 10358 4421 10351 4420 10347 4419 10345 4414 10345 4414 10341 4406 10335 4389 10358 TIME...MOT...LOC 1936Z 328DEG 8KT 4415 10358 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Helgeson  756 WUUS55 KCYS 231952 SVRCYS NEC045-232030- /O.NEW.KCYS.SV.W.0287.260823T1952Z-260823T2030Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Cheyenne WY 152 PM MDT Sun Aug 23 2026 The National Weather Service in Cheyenne has issued a * Severe Thunderstorm Warning for... Central Dawes County in the Panhandle of Nebraska... * Until 230 PM MDT. * At 152 PM MDT, a severe thunderstorm was located near Crawford, or 19 miles west of Chadron, moving east at 25 mph. HAZARD...60 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Crawford, Whitney, Whitney Lake, and Roberts Trailhead Campground. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4270 10344 4278 10345 4280 10305 4254 10306 TIME...MOT...LOC 1952Z 281DEG 20KT 4272 10336 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.25 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Natoli  495 WHUS52 KJAX 231956 SMWJAX AMZ454-232045- /O.NEW.KJAX.MA.W.0212.260823T1956Z-260823T2045Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Jacksonville FL 356 PM EDT Sun Aug 23 2026 The National Weather Service in Jacksonville has issued a * Special Marine Warning for... Coastal waters from St. Augustine to Flagler Beach FL out 20 NM... * Until 445 PM EDT. * At 356 PM EDT, strong thunderstorms were located along a line extending from Butler Beach to 7 nm west of Crescent Beach, moving east at 10 knots. HAZARD...Wind gusts 34 knots or greater. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Butler Beach, Marineland, Crescent Beach, and Saint Augustine Beach. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. If your vessel is caught offshore, immediately secure for heavy weather. Ensure all crew members are wearing USCG approved Type I life jackets and nonessential crew are below decks. Deploy jack lines and harnesses if available. Check life saving equipment, including batteries on handheld radios, for readiness. && LAT...LON 2964 8127 2965 8128 2973 8128 2978 8132 2982 8128 2981 8094 2962 8105 TIME...MOT...LOC 1956Z 281DEG 9KT 2978 8125 2972 8138 HAIL...0.00IN WIND...>34KTS $$ CHANEY