Severe

Significant threat to life or property

Pennsylvania Severe Thunderstorm Warning | Effective 05/20/2026 13:22

At 422 PM EDT, a severe thunderstorm was located over Wanamakers, or 11 miles southeast of Tamaqua, moving east at 30 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Damage to roofs, siding, trees, and power lines is possible. Locations impacted include... Kutztown, Hamburg, Walnutport, Topton, Lyons, Lenhartsville, Neffs, Wanamakers, Coffeetown, New Tripoli, Jordan Valley, Schnecksville, Claussville, Ancient Oaks, and Alburtis.

Pennsylvania Severe Thunderstorm Warning | Effective 05/20/2026 12:27

SVRCTP The National Weather Service in State College PA has issued a * Severe Thunderstorm Warning for... Northeastern Dauphin County in south central Pennsylvania... Northwestern Lebanon County in south central Pennsylvania... Schuylkill County in central Pennsylvania... * Until 415 PM EDT. * At 327 PM EDT, severe thunderstorms were located along a line extending from Altamont to Donaldson to Williamstown to Lykens, moving east at 35 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated.

Virginia Severe Thunderstorm Warning | Effective 05/20/2026 12:34

At 334 PM EDT, a severe thunderstorm was located 7 miles southwest of Berryville, or 7 miles southeast of Millwood Pike, moving northeast at 35 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Damaging winds will cause some trees and large branches to fall. This could injure those outdoors, as well as damage homes and vehicles. Roadways may become blocked by downed trees. Localized power outages are possible. Unsecured light objects may become projectiles. Locations impacted include...

Virginia Severe Thunderstorm Warning | Effective 05/20/2026 12:39

SVRLWX The National Weather Service in Sterling Virginia has issued a * Severe Thunderstorm Warning for... West central Loudoun County in northern Virginia... East central Warren County in northwestern Virginia... Northwestern Fauquier County in northern Virginia... * Until 415 PM EDT. * At 339 PM EDT, a severe thunderstorm was located over Linden, or 8 miles east of Front Royal, moving east at 30 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Damaging winds will cause some trees and large branches

Texas Flash Flood Warning | Effective 05/20/2026 12:39

FFWMAF The National Weather Service in Midland/Odessa has issued a * Flash Flood Warning for... Glasscock County in western Texas... Northern Reagan County in western Texas... * Until 545 PM CDT. * At 239 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 0.5 and 1.5 inches of rain have fallen. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated.

Maryland Severe Thunderstorm Warning | Effective 05/20/2026 12:41

SVRLWX The National Weather Service in Sterling Virginia has issued a * Severe Thunderstorm Warning for... Central Carroll County in north central Maryland... East central Frederick County in north central Maryland... * Until 415 PM EDT. * At 341 PM EDT, a severe thunderstorm was located 7 miles north of Mount Airy, or 12 miles southwest of Westminster, moving east at 30 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Damaging winds will cause some trees and large branches

West Virginia Severe Thunderstorm Warning | Effective 05/20/2026 12:41

SVRRLX The National Weather Service in Charleston West Virginia has issued a * Severe Thunderstorm Warning for... Central Cabell County in central West Virginia... Northwestern Lincoln County in central West Virginia... Northeastern Wayne County in western West Virginia... * Until 415 PM EDT. * At 341 PM EDT, a severe thunderstorm was located over Beech Fork State Park, moving northeast at 25 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated.

Missouri Flood Warning | Effective 05/20/2026 12:45

...The Flood Warning continues for the following rivers in Missouri... South Grand River at Urich affecting Bates, Henry and Cass Counties. Big Creek at Blairstown affecting Henry, Johnson and Cass Counties. * WHAT...Moderate flooding is occurring and minor flooding is forecast. * WHERE...Big Creek at Blairstown. * WHEN...Until Friday evening. * IMPACTS...At 23.0 feet, Flooding occurs at the west approach to the N Highway bridge located 0.2 miles west of Blairstown. Flooding

Missouri Flood Warning | Effective 05/20/2026 12:45

...The Flood Warning continues for the following rivers in Missouri... South Grand River at Urich affecting Bates, Henry and Cass Counties. Big Creek at Blairstown affecting Henry, Johnson and Cass Counties. * WHAT...Moderate flooding is occurring. * WHERE...South Grand River at Urich. * WHEN...Until Thursday evening. * IMPACTS...At 28.0 feet, K Highway is under water approximately 1 mile south of Urich. Many other roads along the river are flooded as well. * ADDITIONAL DETAILS...

Texas Flash Flood Warning | Effective 05/20/2026 12:01

At 201 PM CDT, an NWS employee reported flash flooding at the intersection of U.S. Highway 87 and north 17th Street in Lamesa. Doppler radar continued to indicate showers and thunderstorms developing and producing heavy rain across much of the warned area. Between 0.5 and 1 inch of rain has fallen with additional heavy rainfall possible. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...NWS Employee reported.
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