Severe

Significant threat to life or property

Severe Tropical Storm Warning | Effective 10/02/2026 15:50

* WHAT...Southwest tropical storm force wind to 45 kt with gusts to 60 kt and seas 14 to 20 feet. * WHERE...Tinian and Saipan Coastal Waters. * WHEN...Until further notice. * IMPACTS...Very strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. * ADDITIONAL DETAILS...Typhoon Choi-wan (26W) continues to strengthen as it turns north-northeast near the northern Marianas west of Pagan, with tropical storm force winds continuing at Saipan. Hazardous seas continue.

Iowa Severe Flood Warning | Effective 10/02/2026 15:35

...The Flood Warning is extended for the following rivers in Iowa... South Skunk River near Ames W Riverside Rd affecting Story County. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...South Skunk River near Ames W Riverside Rd, or from Keigley Branch near 170th Street to Ioway Creek. * WHEN...Until Saturday morning. * IMPACTS...At 13.9 feet, Water affects Westech Engineering located at 600 Arrasmith Trl. * ADDITIONAL DETAILS... - At 5:00 PM CDT Friday the stage was 13.9 feet, and falling.

West Virginia Severe Flash Flood Warning | Effective 10/02/2026 15:41

FFWRLX The National Weather Service in Charleston has issued a * Flash Flood Warning for... Southwestern McDowell County in southern West Virginia... * Until 945 PM EDT. * At 641 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1.5 and 2.5 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.

Northern Mariana Islands Severe Tropical Storm Warning | Effective 10/02/2026 15:26

...TYPHOON CHOI-WAN MOVING NORTH AND SWINGING PAST PAGAN... .NEW INFORMATION... None. .AREAS AFFECTED... This local statement provides information and recommended actions for people on Saipan, Tinian, Agrihan, Pagan and Alamagan in the Commonwealth of the Northern Marianas. .WATCHES/WARNINGS... A Typhoon Warning remains in effect for Alamagan, Agrihan and Pagan in the CNMI. A Tropical Storm Warning remains in effect for Tinian and Saipan and their adjacent waters in the CNMI.

Virginia, West Virginia Severe Flash Flood Warning | Effective 10/02/2026 15:27

FFWRLX The National Weather Service in Charleston has issued a * Flash Flood Warning for... Northeastern Buchanan County in southwestern Virginia... West Central McDowell County in southern West Virginia... * Until 930 PM EDT. * At 627 PM EDT, Doppler radar and automated rain gauges indicated heavy rain falling across the warned area. Between 1.5 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.

Iowa Severe Flood Warning | Effective 10/02/2026 15:14

...The Flood Warning is extended for the following rivers in Iowa... Black Hawk Creek at Hudson affecting Black Hawk County. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Black Hawk Creek at Hudson, or from the Black Hawk-Grundy County line to the Cedar River in Waterloo. * WHEN...Until Sunday morning. * IMPACTS...At 18.0 feet, Water affects Hudson...including the 800 block of Dale Dr. * ADDITIONAL DETAILS... - At 4:45 PM CDT Friday the stage was 17.1 feet, and falling.

Colorado Severe Flood Warning | Effective 10/02/2026 14:25

...The Flood Warning is extended for the following rivers in Colorado... Purgatoire River Near Purgatoire R near Las Animas affecting Bent County. For the Purgatoire River...including Purgatoire near Las Animas... Minor flooding is forecast. * WHAT...Minor flooding is forecast. * WHERE...Purgatoire River near Purgatoire R near Las Animas. * WHEN...Until Sunday morning. * IMPACTS...At 12.0 feet, Moderate Flood. Moderate agricultural flooding occurs in low lying areas along the river. * ADDITIONAL DETAILS...

Guam, Northern Mariana Islands Severe Flood Watch | Effective 10/02/2026 13:47

* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Guam, Rota, Saipan and Tinian. * WHEN...Through late Sunday night. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - Typhoon Choi-wan (26W) is nearly stationary and is expected to pivot north-northeast through the northern CNMI through the
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