Severe

Significant threat to life or property

Delaware Severe Coastal Flood Warning | Effective 09/22/2026 18:53

* WHAT...For the High Surf Advisory, large breaking waves of 6 to 12 feet in the surf zone. For the High Rip Current Risk, dangerous rip currents. For the Coastal Flood Warning, one to two feet of inundation above ground level expected in low- lying areas near shorelines and tidal waterways. * WHERE...Delaware Beaches. * WHEN...For the High Surf Advisory, until 6 PM EDT Friday. For the High Rip Current Risk, through Friday afternoon. For the Coastal Flood Warning, until 1 AM EDT Friday.

, Colorado Severe Flash Flood Warning | Effective 09/22/2026 18:33

FFWBOU The National Weather Service in Denver has issued a * Flash Flood Warning for... Western Arapahoe County in northeastern Colorado... Northeastern Douglas County in northeastern Colorado... * Until 1030 PM MDT. * At 733 PM MDT, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Between 0.5 and 2 inches of rain have fallen. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar and automated gauges.

New Mexico Severe Flash Flood Warning | Effective 09/22/2026 18:43

At 743 PM MDT, the public reported thunderstorms producing heavy rain across the warned area, which has caused Alamosa Creek to overtop NM Highway 252 north of House. Between 1.25 and 2.5 inches of rain have fallen. The expected rainfall rate is 1 to 2 inches in 1 hour. Additional rainfall amounts up to 1 inch are possible in the warned area. Flash flooding is already occurring. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Public reported. IMPACT...Flash flooding of small creeks and streams, urban areas,

Arizona Severe Flash Flood Warning | Effective 09-22-2026 18:04

FFWFGZ The National Weather Service in Flagstaff has issued a * Flash Flood Warning for... Navajo County in north central Arizona... * Until 900 PM MST /1000 PM MDT/. * At 604 PM MST /704 PM MDT/, Doppler radar indicated thunderstorms producing heavy rain across the warned area, southeast of Indian Wells. Between 0.75 and 1.5 inches of rain have fallen. Additional rainfall amounts of 0.75 to 1.5 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly.

Florida Severe Flood Warning | Effective 09/22/2026 18:00

...The Flood Warning continues for the following rivers in Florida... Withlacoochee At US 41 Dunnellon affecting Marion, Citrus and Levy Counties. .The Withlacoochee River at Dunnellon has been steadily rising since July, and on September 15 reached flood stage. The cause of the high water along the Withlacoochee River at Dunnellon is due to excessive hydrilla growth (from the river bottom to the water surface) along a 4.5 mile stretch of river between US 41 and Lake Rousseau. The

Arizona Severe Flash Flood Warning | Effective 09/22/2026 18:04

FFWFGZ The National Weather Service in Flagstaff has issued a * Flash Flood Warning for... Navajo County in north central Arizona... * Until 900 PM MST /1000 PM MDT/. * At 604 PM MST /704 PM MDT/, Doppler radar indicated thunderstorms producing heavy rain across the warned area, southeast of Indian Wells. Between 0.75 and 1.5 inches of rain have fallen. Additional rainfall amounts of 0.75 to 1.5 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly.

West Virginia Severe Flash Flood Warning | Effective 09/22/2026 17:45

FFWRLX The National Weather Service in Charleston has issued a * Flash Flood Warning for... South Central Fayette County in southeastern West Virginia... Central Raleigh County in southeastern West Virginia... * Until 1145 PM EDT. * At 845 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated.

Texas Severe Flash Flood Warning | Effective 09/22/2026 17:46

At 746 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. Additional rainfall amounts up to 1 inch are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas.

Hawaii Severe Flood Watch | Effective 09/22/2026 17:48

A potential tropical cyclone is expected to bring heavy rain to the eastern end of the state over the coming days. The track of this potential storm is uncertain, but heavry rain is likely. * WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...Maui, Lanai, Molokai, The Big Island and Kahoolawe. * WHEN...From Wednesday afternoon through Saturday afternoon. * IMPACTS...Flood prone roads and other low lying areas may be closed due to elevated runoff and overflowing streams. Urban areas may
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