Immediate

At 617 PM MDT, the public reported flooding on Wahweap Creek from earlier thunderstorms producing heavy rain. Between 0.5 and 1.25 inches of rain have fallen across the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Public reported. IMPACT...Life threatening flash flooding of creeks, streams, slot canyons, and normally dry washes. Some locations that will experience flash flooding include...

SVRPSR The National Weather Service in Phoenix has issued a * Severe Thunderstorm Warning for... North central La Paz County in west central Arizona... * Until 545 PM MST. * At 519 PM MST, a severe thunderstorm was located 13 miles southeast of Buckskin Mountain Park, or 15 miles southeast of Parker Dam, moving northeast at 15 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * This severe thunderstorm will remain over mainly rural areas of north central La Paz County.

At 620 PM MDT, the public reported flooding near Catstair Canyon from earlier thunderstorms producing heavy rain across the warned area. Up to 1.25 inches of rain have fallen. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Public reported. IMPACT...Life threatening flash flooding of normally dry washes, slot canyons, streams, creeks and rivers. Some locations that will experience flash flooding include...

At 725 PM CDT /625 PM MDT/, severe thunderstorms were located along a line from 7 miles west of Wilton to 6 miles south of Selfridge, or along a line from 21 miles north of Mandan to 38 miles southwest of Linton, moving east at 45 mph. HAZARD...60 mph wind gusts and small hail. SOURCE...Trained spotters reported. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Bismarck, Mandan, Linton, Lincoln, Wilton, Strasburg, Hazelton, Fort Yates, Selfridge, Menoken, Sterling, Solen, Westfield, Cannon

At 525 PM MST /625 PM MDT/, Doppler radar indicated heavy rain earlier over southwest Utah including the Paria River and Buckskin Gulch resulted in between 0.50 and 1.00 inches of rainfall. A river gage along the Paria River just north of the Arizona/Utah border indicated a 2 foot rise. In addition, flow from Buckskin Gulch will contribute to flash flooding along the Paria River. As a Result, flash flooding is ongoing or expected to begin shortly.

At 626 PM MDT, a severe thunderstorm was located 16 miles northwest of Delta, or 20 miles southeast of Grand Junction, moving east at 40 mph. HAZARD...60 mph wind gusts and nickel size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Delta. For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways.

FFWSLC The National Weather Service in Salt Lake City has extended the * Flash Flood Warning for... Southwestern Wayne County in southern Utah... * Until 730 PM MDT. * At 627 PM MDT, National Park personnel reported flows on Sulphur Creek from earlier thunderstorms producing heavy rain across portions of Capitol Reef National Park. This area includes Sunglow Canyon, Sulphur Creek, Spring Canyon, Cohab Canyon, and Grand Wash. Between 0.5 and 1.0 inches of rain have fallen. Flash flooding is already occurring.

At 529 PM MDT, severe thunderstorms were located along a line from 18 miles north of Watauga to 7 miles southeast of Shambo Ranch, or along a line from 34 miles northwest of Bullhead to 33 miles west of Timber Lake, moving east at 45 mph. HAZARD...60 mph wind gusts and small hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. This severe thunderstorm will be near... Watauga and Shambo Ranch around 530 PM MDT. Mcintosh around 540 PM MDT. Black Horse around 545 PM MDT.