Immediate

Responsive action SHOULD be taken immediately

Arizona Severe Flash Flood Warning | Effective 09/13/2026 18:16

At 616 PM MST /716 PM MDT/, Doppler radar indicated heavy rain had ended across the warned area. Between 1.25 and 2.25 inches of rain have fallen. Flash flooding is ongoing or expected to begin shortly as a result of runoff from this earlier heavy rain. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar indicated. IMPACT...Life threatening flash flooding of creeks and streams, normally dry washes, streets and underpasses.

Arizona Severe Flash Flood Warning | Effective 09/13/2026 18:25

At 625 PM MST, Doppler radar indicated thunderstorms producing heavy rain over the Havasu Creek basin. Between 0.5 and 1.5 inches of rain have fallen. Flash flooding is ongoing or expected to begin shortly. A stream gage on Cataract Creek below Topocoba Gorge near Supai recorded around a 5.0 foot rise at 6:00 PM MST. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding in and around the Havasu Creek basin. SOURCE...Radar indicated.

Arizona Severe Severe Thunderstorm Warning | Effective 09/13/2026 18:27

SVRTWC The National Weather Service in Tucson has issued a * Severe Thunderstorm Warning for... Southeastern Santa Cruz County in southeastern Arizona... * Until 715 PM MST. * At 627 PM MST, a severe thunderstorm was located 6 miles southeast of Nogales International Airport, moving northeast at 5 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Kino Springs. Seek shelter inside a well-built structure and stay away from

Arizona Severe Flash Flood Warning | Effective 09-13-2026 17:27

FFWFGZ The National Weather Service in Flagstaff has issued a * Flash Flood Warning for... Navajo County in north central Arizona... * Until 830 PM MST /930 PM MDT/. * At 527 PM MST /627 PM MDT/, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2.25 inches of rain have fallen. Additional rainfall amounts of 0.5 to 1 inch are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing

Arizona Severe Flash Flood Warning | Effective 09/13/2026 16:53

FFWFGZ The National Weather Service in Flagstaff has issued a * Flash Flood Warning for... Coconino County in north central Arizona... * Until 800 PM MST /900 PM MDT/. * At 453 PM MST /553 PM MDT/, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1.25 and 2.25 inches of rain have fallen. Additional rainfall amounts up to 0.25 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly.

Louisiana, Mississippi Severe Severe Thunderstorm Warning | Effective 09/13/2026 17:16

At 715 PM CDT, severe thunderstorms were located along a line extending from near Wilmer to near Roseland to near Gillsburg, moving south at 20 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Greensburg, Amite, Amite City, Kentwood, Roseland, Osyka, Darlington, Gillsburg, Easleyville, Wilmer, and Tangipahoa. This includes the following Interstates... Interstate 55 in Louisiana between mile markers 47 and 66.

Arizona Severe Flash Flood Warning | Effective 09/13/2026 17:27

FFWFGZ The National Weather Service in Flagstaff has issued a * Flash Flood Warning for... Navajo County in north central Arizona... * Until 830 PM MST /930 PM MDT/. * At 527 PM MST /627 PM MDT/, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2.25 inches of rain have fallen. Additional rainfall amounts of 0.5 to 1 inch are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing

Louisiana, Mississippi Severe Severe Thunderstorm Warning | Effective 09/13/2026 16:35

At 635 PM CDT, severe thunderstorms were located along a line extending from 8 miles southwest of Dexter to near Osyka to near Liberty, moving south at 15 mph. HAZARD...60 mph wind gusts and nickel size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Mccomb, Franklinton, Liberty, Magnolia, Kentwood, Tylertown, Osyka, Dexter, Gillsburg, Mount Herman, and Mccomb Airport. This includes the following Interstates...

Arizona Severe Flash Flood Warning | Effective 09/13/2026 16:43

FFWFGZ The National Weather Service in Flagstaff has extended the * Flash Flood Warning for... The Havasu Creek basin in... Coconino County in north central Arizona...This includes the Colorado River between river miles 156 and 158 * Until 1100 PM MST Sunday. * At 443 PM MST, Doppler radar indicated thunderstorms producing heavy rain over portions of the Havasu Creek basin. Between 0.5 and 1.5 inches of rain have fallen. Additional rainfall amounts of 0.25

Pennsylvania Severe Severe Thunderstorm Warning | Effective 09/13/2026 16:43

At 743 PM EDT, severe thunderstorms were located along a line from roughly Karthaus to Woodland and moving southeast at 40 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Clearfield, Plymptonville, Clearfield-Lawrence Airport, Hyde, Lecontes Mills, Woodland, Karthaus, Wallaceton, West Decatur, Morrisdale, Kylertown, Grassflat and Chester Hill. This includes Interstate 80 between mile markers 115 and 136.
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