Severe

Significant threat to life or property

New Jersey, Pennsylvania Severe Thunderstorm Warning | Effective 05/20/2026 14:01

At 500 PM EDT, a severe thunderstorm was located over Lehigh University, or near Allentown, moving east at 35 mph. HAZARD...70 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. Locations impacted include... Allentown, Easton, Bethlehem, Forks, Emmaus, Northampton, Quakertown, Byram, Wilson, Bedminster, Hellertown, Nazareth, Tinicum, Bath, Harmony, Alpha, Ferndale, Frenchtown, West Easton, and Milford.

Pennsylvania Severe Thunderstorm Warning | Effective 05/20/2026 14:05

At 505 PM EDT, a severe thunderstorm was located over Green Lane, or 19 miles south of Allentown, moving east at 35 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Damage to roofs, siding, trees, and power lines is possible. Locations impacted include... Pottstown, Lansdale, Quakertown, Perkasie, Souderton, Chalfont, Hatfield, East Greenville, Dublin, Schwenksville, Bally, Green Lane, Fricks, Spring Mount, Geryville, Gilbertsville, Skippack, Telford, Sellersville, and Pennsburg.

Maryland Severe Thunderstorm Warning | Effective 05/20/2026 14:07

At 507 PM EDT, a severe thunderstorm was located near Bel Air South, or near Aberdeen, moving northeast at 25 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...

New Jersey, Pennsylvania Severe Thunderstorm Warning | Effective 05/20/2026 14:10

SVRPHI The National Weather Service in Mount Holly NJ has issued a * Severe Thunderstorm Warning for... Northwestern Camden County in southern New Jersey... North central Gloucester County in southern New Jersey... Southeastern Montgomery County in southeastern Pennsylvania... East central Chester County in southeastern Pennsylvania... Philadelphia County in southeastern Pennsylvania... Delaware County in southeastern Pennsylvania... * Until 600 PM EDT.

Texas Flash Flood Warning | Effective 05/20/2026 14:11

FFWMAF The National Weather Service in Midland/Odessa has issued a * Flash Flood Warning for... Northwestern Brewster County in southwestern Texas... West Central Pecos County in southwestern Texas... * Until 715 PM CDT. * At 411 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 0.5 and 1.5 inches of rain have fallen. Additional rainfall amounts up to 1.5 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly.

Texas Severe Thunderstorm Warning | Effective 05/20/2026 14:13

SVRMAF The National Weather Service in Midland has issued a * Severe Thunderstorm Warning for... Southwestern Pecos County in southwestern Texas... Northwestern Brewster County in southwestern Texas... * Until 445 PM CDT. * At 412 PM CDT, a severe thunderstorm was located 13 miles northwest of Marathon, or 19 miles east of Alpine, moving east at 35 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Broadcast media. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees.

West Virginia Severe Thunderstorm Warning | Effective 05/20/2026 14:14

At 513 PM EDT, a severe thunderstorm was located over Clendenin, or 12 miles west of Clay, moving east at 25 mph. THIS IS A DESTRUCTIVE STORM FOR Clendenin. HAZARD...Baseball size hail and 70 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be severely injured. Expect shattered windows, extensive damage to roofs, siding, and vehicles. Locations impacted include... Clendenin, Amma, and Left Hand. For your protection move to an interior room on the lowest floor of a building.

West Virginia Severe Thunderstorm Warning | Effective 05/20/2026 14:15

SVRRLX The National Weather Service in Charleston West Virginia has issued a * Severe Thunderstorm Warning for... Northern Mingo County in southern West Virginia... Southeastern Lincoln County in central West Virginia... Northwestern Logan County in southern West Virginia... West central Boone County in central West Virginia... * Until 545 PM EDT. * At 515 PM EDT, a severe thunderstorm was located near Chapmanville, or 10 miles northwest of Logan, moving northeast at 20 mph. HAZARD...60 mph wind gusts and quarter size hail.

New Jersey, Pennsylvania Severe Thunderstorm Warning | Effective 05/20/2026 14:15

SVRPHI The National Weather Service in Mount Holly NJ has issued a * Severe Thunderstorm Warning for... Southeastern Hunterdon County in northwestern New Jersey... Mercer County in central New Jersey... North central Burlington County in southern New Jersey... Southwestern Somerset County in northern New Jersey... Montgomery County in southeastern Pennsylvania... Bucks County in southeastern Pennsylvania... Northeastern Chester County in southeastern Pennsylvania...

Georgia Flash Flood Warning | Effective 05/20/2026 14:16

FFWFFC The National Weather Service in Peachtree City has issued a * Flash Flood Warning for... West Central DeKalb County in north central Georgia... Eastern Fulton County in north central Georgia... * Until 1115 PM EDT. * At 516 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 1.5 inches of rain have fallen. The expected rainfall rate is 1 to 2 inches in 30 minutes. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms.
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