Severe

Significant threat to life or property

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

* WHAT...The potential for winds up to 35 knots with gusts over<br /> 40 knots, rough bay waters, and seas 5 to 8 ft. * WHERE...Galveston Bay and Coastal waters from Freeport to<br /> Matagorda Ship Channel TX out 20 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 consider altering plans to avoid possible<br /> hazardous conditions. Remain in port, seek safe harbor, alter<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 Coastal Flood Warning | Effective 06/17/2026 02:27

* WHAT...Coastal flooding expected. * WHERE...Bolivar Peninsula. * WHEN...Until 7 PM CDT Wednesday. * IMPACTS...Numerous roads may be closed. Low lying property<br /> including homes, businesses, and some critical infrastructure<br /> could be inundated. Some shoreline erosion will occur. * ADDITIONAL DETAILS...The best chance of coastal flooding will<br /> occur this morning into early this afternoon.<br /> Take the necessary actions to protect flood-prone property. If<br /> travel is required, do not drive around barricades or through<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.

Alabama Severe Flood Watch | Effective 06/17/2026 02:06

* WHAT...Flash flooding caused by excessive rainfall continues to be<br /> possible. * WHERE...A portion of central Alabama, including the following<br /> counties, Autauga, Barbour, Bibb, Bullock, Calhoun, Chambers,<br /> Chilton, Clay, Cleburne, Coosa, Dallas, Elmore, Greene, Hale,<br /> Jefferson, Lee, Lowndes, Macon, Marengo, Montgomery, Perry,<br /> Pickens, Pike, Randolph, Russell, Shelby, St. Clair, Sumter,<br /> Talladega, Tallapoosa and Tuscaloosa. * WHEN...From Thursday morning through Friday evening.

Iowa, Illinois Severe Severe Thunderstorm Watch | Effective 06/17/2026 02:07

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH<br /> 339 IN EFFECT UNTIL 11 AM CDT THIS MORNING FOR THE FOLLOWING<br /> AREAS IN ILLINOIS THIS WATCH INCLUDES 8 COUNTIES IN NORTHWEST ILLINOIS CARROLL HENRY IL JO DAVIESS<br /> MERCER ROCK ISLAND WHITESIDE IN WEST CENTRAL ILLINOIS HENDERSON WARREN IN IOWA THIS WATCH INCLUDES 21 COUNTIES IN EAST CENTRAL IOWA BENTON CEDAR CLINTON<br /> IOWA JACKSON JOHNSON<br />

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, Texas Severe Flood Watch | Effective 06/17/2026 01:45

* WHAT...Flooding caused by excessive rainfall continues to be<br /> possible. * WHERE...Portions of Louisiana, including the following parishes,<br /> Allen, Avoyelles, Beauregard, East Cameron, Evangeline, Lafayette,<br /> Lower Iberia, Lower St. Martin, Lower St. Mary, Lower Vermilion,<br /> Northern Acadia, Northern Calcasieu, Northern Jefferson Davis,<br /> Rapides, Southern Acadia, Southern Calcasieu, Southern Jefferson<br /> Davis, St. Landry, Upper Iberia, Upper St. Martin, Upper St. Mary,<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 />
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