271 FZUS71 KOKX 171732 MWSOKX Marine Weather Statement National Weather Service New York NY 132 PM EDT Fri Apr 17 2026 ANZ335-171800- 132 PM EDT Fri Apr 17 2026 ...A STRONG THUNDERSTORM OVER THE WATERS... The areas affected include... Long Island Sound West of New Haven CT / Port Jefferson NY... At 132 PM EDT, Doppler radar indicated a strong thunderstorm, capable of producing winds to around 30 knots and small hail. This thunderstorm was located near Long Neck Point, moving southeast at 20 knots. Locations impacted include... Norwalk Islands, Huntington Bay, and Long Neck Point. 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. && LAT...LON 4090 7323 4089 7325 4092 7330 4090 7334 4088 7335 4088 7345 4085 7346 4106 7349 4106 7347 4109 7338 $$ JM  601 WGCA52 TJSJ 171738 FFWSJU PRC003-099-131-172045- /O.NEW.TJSJ.FF.W.0019.260417T1738Z-260417T2045Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service San Juan PR 138 PM AST Fri Apr 17 2026 The National Weather Service in San Juan has issued a * Flash Flood Warning for... Aguada in Puerto Rico... Moca in Puerto Rico... San Sebastian in Puerto Rico... * Until 445 PM AST. * At 138 PM AST, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 2 and 3 inches of rain have fallen. Additional rainfall amounts of 1 to 3 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely. && LAT...LON 1839 6716 1839 6713 1835 6713 1846 6706 1839 6703 1838 6695 1839 6692 1837 6689 1825 6691 1825 6693 1827 6695 1826 6697 1828 6704 1829 6703 1831 6706 1832 6712 1831 6719 1838 6724 1842 6716 FLASH FLOOD...RADAR INDICATED $$ CVB  250 WGCA52 TJSJ 171740 FFWSJU PRC023-067-097-125-172045- /O.NEW.TJSJ.FF.W.0020.260417T1740Z-260417T2045Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service San Juan PR 140 PM AST Fri Apr 17 2026 The National Weather Service in San Juan has issued a * Flash Flood Warning for... Northern Cabo Rojo County in Puerto Rico... Hormigueros County in Puerto Rico... Eastern Mayaguez County in Puerto Rico... San German County in Puerto Rico... * Until 445 PM AST. * At 140 PM AST, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2.5 inches of rain have fallen. Additional rainfall amounts of 1 to 2 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... Hormigueros, San German, Cabo Rojo, Mayaguez, Sabana Grande, Monte Grande, Puerto Real and Sabana Eneas. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && LAT...LON 1809 6720 1810 6718 1817 6719 1817 6718 1821 6715 1818 6709 1820 6702 1819 6702 1817 6705 1814 6697 1806 6699 1806 6708 1808 6709 1806 6716 1804 6719 1805 6720 1807 6718 FLASH FLOOD...RADAR INDICATED $$ CAM  716 WUUS53 KDVN 171747 SVRDVN IAC055-061-105-113-171845- /O.NEW.KDVN.SV.W.0095.260417T1747Z-260417T1845Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Quad Cities IA/IL 1247 PM CDT Fri Apr 17 2026 The National Weather Service in the Quad Cities has issued a * Severe Thunderstorm Warning for... Southwestern Dubuque County in northeastern Iowa... Northern Jones County in east central Iowa... Southeastern Delaware County in northeastern Iowa... Northeastern Linn County in east central Iowa... * Until 145 PM CDT. * At 1247 PM CDT, a severe thunderstorm was located over Prairieburg, or 9 miles northwest of Anamosa, moving northeast at 25 mph. HAZARD...Ping pong ball size hail and 60 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Dyersville, Monticello, Cascade, Central City, Hopkinton, Worthington, Prairieburg, Waubeek, Jones County Fairgrounds, Howard H Cherry Scout Reservation, and Monticello Municipal Airport. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain alert for a possible tornado! Tornadoes can develop quickly from severe thunderstorms. If you spot a tornado go at once into the basement or small central room in a sturdy structure. Prepare immediately for large hail and damaging winds. People outside should move immediately to shelter inside a strong building. Stay away from windows. A Tornado Watch remains in effect until 800 PM CDT for northeastern and east central Iowa. && LAT...LON 4213 9146 4220 9152 4252 9109 4227 9093 TIME...MOT...LOC 1747Z 231DEG 21KT 4222 9138 TORNADO...POSSIBLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.50 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ McClure  395 FZUS71 KOKX 171753 MWSOKX Marine Weather Statement National Weather Service New York NY 153 PM EDT Fri Apr 17 2026 ANZ335-171815- 153 PM EDT Fri Apr 17 2026 ...A STRONG THUNDERSTORM APPROACHING THE WATERS... The areas affected include... Long Island Sound West of New Haven CT / Port Jefferson NY... At 152 PM EDT, Doppler radar indicated a strong thunderstorm, capable of producing winds to around 30 knots and small hail. This thunderstorm was located near Captain Harbor, moving southeast at 20 knots. Locations impacted include... Hempstead Harbor, Little Neck Bay, Oyster Bay Harbor, Execution Rocks, Captain Harbor, Manhasset Bay, and Mamaroneck Harbor. 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. && LAT...LON 4096 7375 4097 7368 4103 7366 4102 7363 4086 7347 4085 7350 4087 7355 4090 7357 4089 7361 4088 7362 4083 7363 4082 7368 4084 7370 4081 7369 4080 7376 4093 7378 $$ JM  660 WWUS53 KDVN 171753 SVSDVN Severe Weather Statement National Weather Service Quad Cities IA/IL 1253 PM CDT Fri Apr 17 2026 IAC055-061-105-113-171845- /O.CON.KDVN.SV.W.0095.000000T0000Z-260417T1845Z/ Dubuque IA-Jones IA-Delaware IA-Linn IA- 1253 PM CDT Fri Apr 17 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 145 PM CDT FOR SOUTHWESTERN DUBUQUE...NORTHERN JONES...SOUTHEASTERN DELAWARE AND NORTHEASTERN LINN COUNTIES... At 1253 PM CDT, a severe thunderstorm was located near Buck Creek, or 12 miles north of Anamosa, moving northeast at 35 mph. HAZARD...Ping pong ball size hail and 60 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect wind damage to roofs, siding, and trees. Locations impacted include... Dyersville, Monticello, Cascade, Hopkinton, Worthington, Jones County Fairgrounds, and Monticello Municipal Airport. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Tornado Watch remains in effect until 800 PM CDT for northeastern and east central Iowa. Remain alert for a possible tornado! Tornadoes can develop quickly from severe thunderstorms. If you spot a tornado go at once into the basement or small central room in a sturdy structure. Prepare immediately for large hail and damaging winds. People outside should move to a shelter, inside a strong building and away from windows. && LAT...LON 4215 9138 4228 9141 4252 9109 4227 9093 TIME...MOT...LOC 1753Z 225DEG 31KT 4229 9131 TORNADO...POSSIBLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.50 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ McClure  816 WWUS53 KDVN 171757 SVSDVN Severe Weather Statement National Weather Service Quad Cities IA/IL 1257 PM CDT Fri Apr 17 2026 IAC113-171807- /O.CAN.KDVN.SV.W.0095.000000T0000Z-260417T1845Z/ Linn IA- 1257 PM CDT Fri Apr 17 2026 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN LINN COUNTY IS CANCELLED... The severe thunderstorm which prompted the warning has weakened. moved out of the warned area. Therefore, the warning has been cancelled. A Tornado Watch remains in effect until 800 PM CDT for northeastern and east central Iowa. && LAT...LON 4252 9109 4227 9093 4216 9135 4231 9137 TIME...MOT...LOC 1757Z 224DEG 31KT 4232 9127 $$ IAC055-061-105-171845- /O.CON.KDVN.SV.W.0095.000000T0000Z-260417T1845Z/ Dubuque IA-Jones IA-Delaware IA- 1257 PM CDT Fri Apr 17 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 145 PM CDT FOR SOUTHWESTERN DUBUQUE...NORTHERN JONES AND SOUTHEASTERN DELAWARE COUNTIES... At 1257 PM CDT, a severe thunderstorm was located over Hopkinton, or 14 miles southeast of Manchester, moving northeast at 35 mph. HAZARD...Ping pong ball size hail and 60 mph wind gusts. SOURCE...Public reported quarter sized hail northeast of Prairieburg. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect wind damage to roofs, siding, and trees. Locations impacted include... Dyersville, Monticello, Cascade, Hopkinton, Worthington, Jones County Fairgrounds, and Monticello Municipal Airport. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Tornado Watch remains in effect until 800 PM CDT for northeastern and east central Iowa. Remain alert for a possible tornado! Tornadoes can develop quickly from severe thunderstorms. If you spot a tornado go at once into the basement or small central room in a sturdy structure. Prepare immediately for large hail and damaging winds. People outside should move to a shelter, inside a strong building and away from windows. && LAT...LON 4252 9109 4227 9093 4216 9135 4231 9137 TIME...MOT...LOC 1757Z 224DEG 31KT 4232 9127 TORNADO...POSSIBLE HAIL THREAT...OBSERVED MAX HAIL SIZE...1.50 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ McClure  842 WUUS53 KDVN 171759 SVRDVN IAC031-045-097-103-105-113-171900- /O.NEW.KDVN.SV.W.0096.260417T1759Z-260417T1900Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Quad Cities IA/IL 1259 PM CDT Fri Apr 17 2026 The National Weather Service in the Quad Cities has issued a * Severe Thunderstorm Warning for... Southwestern Jackson County in east central Iowa... Northern Cedar County in east central Iowa... Northern Johnson County in east central Iowa... Jones County in east central Iowa... Southeastern Linn County in east central Iowa... Northwestern Clinton County in east central Iowa... * Until 200 PM CDT. * At 1258 PM CDT, severe thunderstorms were located along a line extending from Paralta to Cou Falls, moving east at 50 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... Cedar Rapids, Maquoketa, Anamosa, Mechanicsville, Stanwood, Marion, Mount Vernon, Lisbon, Solon, Ely, Springville, Swisher, Olin, Shueyville, Wyoming, Oxford Junction, Lost Nation, Bertram, Martelle, and Onslow. This includes Interstate 380 between mile markers 7 and 17. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain alert for a possible tornado! Tornadoes can develop quickly from severe thunderstorms. If you spot a tornado go at once into the basement or small central room in a sturdy structure. For your protection move to an interior room on the lowest floor of a sturdy building. A Tornado Watch remains in effect until 800 PM CDT for northeastern and east central Iowa. && LAT...LON 4196 9061 4177 9175 4209 9160 4230 9090 4230 9080 TIME...MOT...LOC 1758Z 249DEG 45KT 4203 9148 4181 9164 TORNADO...POSSIBLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Gunkel