Immediate

Responsive action SHOULD be taken immediately

Texas Severe Flash Flood Warning | Effective 06/17/2026 02:58

FFWHGX The National Weather Service in League City has extended the * Flash Flood Warning for...<br /> Southeastern Brazoria County in southeastern Texas... * Until 800 AM CDT. * At 458 AM CDT, Doppler radar and automated rain gauges indicated<br /> thunderstorms producing heavy rain across the warned area. Between<br /> 4 and 6.5 inches of rain have fallen. The expected rainfall rate<br /> is 2 to 3 inches in 1 hour. Additional rainfall amounts of 1 to 2<br /> inches are possible in the warned area. Flash flooding is ongoing<br />

Iowa Severe Severe Thunderstorm Warning | Effective 06/17/2026 02:40

At 439 AM CDT, a severe thunderstorm was located over Somers, or 8<br /> miles east of Rockwell City, moving east at 55 mph. HAZARD...70 mph wind gusts and half dollar size hail. SOURCE...Emergency management reported semis blown over on Highway<br /> 20. IMPACT...Hail damage to vehicles is expected. Expect considerable<br /> tree damage. Wind damage is also likely to mobile homes,<br /> roofs, and outbuildings. Locations impacted include...<br /> Fort Dodge, Webster City, Rockwell City, Lake City, Manson, Gowrie,<br />

Maryland Severe Severe Thunderstorm Warning | Effective 06/17/2026 02:18

SVRLWX The National Weather Service in Sterling Virginia has issued a * Severe Thunderstorm Warning for...<br /> Southeastern St. Marys County in southern Maryland... * Until 545 AM EDT. * At 518 AM EDT, a severe thunderstorm was located over Saint Inigoes<br /> Creek, moving east at 25 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Damaging winds will cause some trees and large branches<br /> to fall. This could injure those outdoors, as well as<br /> damage homes and vehicles. Roadways may become blocked by<br />

Iowa Severe Severe Thunderstorm Warning | Effective 06/17/2026 02:21

At 420 AM CDT, a severe thunderstorm was located over Jolley, or 8<br /> miles northwest of Rockwell City, moving east at 55 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...A 67 mph wind gust was measured at the Storm Lake airport. IMPACT...Hail damage to vehicles is expected. Expect wind damage to<br /> roofs, siding, and trees. Locations impacted include...<br /> Rockwell City, Manson, South Twin Lake, North Twin Lake, Pomeroy,<br /> Fonda, Lohrville, Twin Lakes, Palmer, Knierim, Rinard, Jolley, Twin<br />

Severe Tropical Storm Warning | Effective 06/17/2026 02:22

* WHAT...Winds up to 35 kt with gusts potentially over 40 kt and<br /> seas 6 to 11 ft. * WHERE...Coastal waters from High Island to Freeport TX out 20<br /> NM, Waters from Freeport to Matagorda Ship Channel TX from 20<br /> to 60 NM and Waters from High Island to Freeport TX from 20 to<br /> 60 NM. * WHEN...Through Wednesday Night. * IMPACTS...Tropical storm force winds and hazardous seas could<br /> capsize or damage vessels and reduce visibility.<br /> Mariners should alter plans to avoid these hazardous conditions.<br />

Texas Severe Flash Flood Warning | Effective 06/17/2026 02:01

FFWHGX The National Weather Service in League City has issued a * Flash Flood Warning for...<br /> Southeastern Brazoria County in southeastern Texas... * Until 615 AM CDT. * At 401 AM CDT, Doppler radar and automated rain gauges indicated<br /> thunderstorms producing heavy rain across the warned area. Between<br /> 2 and 5 inches of rain have fallen. Additional rainfall amounts of<br /> 1 to 3 inches are possible in the warned area. Flash flooding is<br /> ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms.

Iowa Severe Severe Thunderstorm Warning | Effective 06/17/2026 02:08

At 407 AM CDT, a severe thunderstorm was located near Pomeroy, or 12<br /> miles northwest of Rockwell City, moving southeast at 60 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...A 67 mph wind gust was measured at the Storm Lake airport. IMPACT...Hail damage to vehicles is expected. Expect wind damage to<br /> roofs, siding, and trees. Locations impacted include...<br /> Pocahontas, Rockwell City, Manson, South Twin Lake, North Twin Lake,<br /> Pomeroy, Fonda, Lohrville, Twin Lakes, Palmer, Varina, Knierim,<br />

Severe Tropical Storm Warning | Effective 06/17/2026 02:08

* WHAT...South winds 20 to 30 kt with gusts up to 45 kt and seas<br /> 6 to 11 ft. * WHERE...Portions of and the coastal lakes and bays of the Gulf<br /> of America. * WHEN...Tropical Storm force winds possible from early Wednesday<br /> afternoon until Wednesday evening. * IMPACTS...Tropical storm force winds and hazardous seas will<br /> capsize or damage vessels and reduce visibility.<br /> Mariners should alter plans to avoid these hazardous conditions.<br /> Remain in port, seek safe harbor, alter course, and/or secure the<br />

Louisiana Severe Tropical Storm Warning | Effective 06/17/2026 01:49

* LOCATIONS AFFECTED<br /> - Cameron<br /> - Creole<br /> - Grand Chenier * WIND<br /> - LATEST LOCAL FORECAST: Below tropical storm force wind<br /> - Peak Wind Forecast: 20-30 mph with gusts to 45 mph - THREAT TO LIFE AND PROPERTY THAT INCLUDES TYPICAL FORECAST<br /> UNCERTAINTY IN TRACK, SIZE AND INTENSITY: Wind less than 39 mph<br /> - The wind threat has decreased from the previous assessment.<br /> - PLAN: The sustained wind should remain less than tropical<br /> storm force. Conditions may still be gusty.<br />

Louisiana Severe Tropical Storm Warning | Effective 06/17/2026 01:49

* LOCATIONS AFFECTED<br /> - Johnson Bayou<br /> - Holly Beach<br /> - Hackberry * WIND<br /> - LATEST LOCAL FORECAST: Below tropical storm force wind<br /> - Peak Wind Forecast: 15-25 mph with gusts to 35 mph - THREAT TO LIFE AND PROPERTY THAT INCLUDES TYPICAL FORECAST<br /> UNCERTAINTY IN TRACK, SIZE AND INTENSITY: Wind less than 39 mph<br /> - The wind threat has decreased from the previous assessment.<br /> - PLAN: The sustained wind should remain less than tropical<br /> storm force. Conditions may still be gusty.<br />
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