Immediate

SVRPSR The National Weather Service in Phoenix has issued a * Severe Thunderstorm Warning for... Northwestern La Paz County in west central Arizona... * Until 215 PM MST. * At 133 PM MST, a severe thunderstorm was located 13 miles northwest of Quartzsite, or 20 miles south of Parker, moving north at 15 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Poston. This includes the following highways... AZ Route 72 between mile markers 14 and 21.

FFWSLC The National Weather Service in Salt Lake City has issued a * Flash Flood Warning for... East Central Washington County in southwestern Utah... * Until 515 PM MDT. * At 222 PM MDT, Doppler radar indicated thunderstorms producing heavy rain across the Kolob Canyon portion of Zion National Park, including Taylor Creek and La Verkin Creek. Up to 0.75 inches of rain have fallen. Additional rainfall amounts up to 0.5 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly.

At 201 PM MDT, National Park Service reported thunderstorms producing heavy rain and flash flooding across much of Zion National Park, including on the Virgin River. Up to 2 inches of rain have fallen. Flash flooding is already occurring. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...National Park Service reported. IMPACT...Life threatening flash flooding of slot canyons, normally dry washes, creeks, streams, and rivers.

At 204 PM MDT, Doppler radar indicated thunderstorms producing heavy rain across slot canyons along Hole in the Rock Road, including Harris Wash, Zebra, and Egypt 1, 2, and 3 Canyons. Up to 0.75 inches of rain have fallen. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar indicated. IMPACT...Life threatening flash flooding of slot canyons, normally dry washes, creeks, streams and rivers in the area.

At 206 PM MDT, The river gauge on the Escalante River at Escalante indicated a flood wave near 760 cfs will be surging down the Escalante River. Flash flooding is already occurring. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...National Park Service reported. IMPACT...Life threatening flash flooding of the Escalante River. Some locations that will experience flash flooding include... The Escalante River from near the town of Escalante to the terminus at Lake Powell.

At 206 PM MDT, a severe thunderstorm was located near Delta, moving northeast at 30 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Delta, Hinckley, Oak City, Leamington, Lynndyl, Abraham, Sutherland, Sugarville, and Little Sahara State Park. This includes the following highways... US Route 6 between mile markers 68 and 110.