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Home Return to list Severe Thunderstorm Warning 0079 Issued by the Flagstaff Forecast Office
Action: New Issued At: 2026-08-08 19:33:31 474 WUUS55 KFGZ 090033 SVRFGZ AZC025-090100- /O.NEW.KFGZ.SV.W.0079.260809T0033Z-260809T0100Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Flagstaff AZ 533 PM MST Sat Aug 8 2026 The National Weather Service in Flagstaff has issued a * Severe Thunderstorm Warning for... Yavapai County in west central Arizona... * Until 600 PM MST. * At 533 PM MST, a severe thunderstorm was located near Dewey-Humboldt, or 12 miles southeast of Prescott Valley, moving southwest at 20 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * Locations impacted include... Dewey-Humboldt, Mayer, Mt. Union, Walker, Potato Patch and Poland Junction. This includes State Route 69 between mile markers 267 and 283. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing large hail. && LAT...LON 3460 11218 3445 11205 3428 11228 3445 11245 TIME...MOT...LOC 0032Z 51DEG 17KT 3450 11216 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...<50 MPH $$ JLS Action: Continued Issued At: 2026-08-08 19:46:32 884 WWUS55 KFGZ 090046 SVSFGZ Severe Weather Statement National Weather Service Flagstaff AZ 546 PM MST Sat Aug 8 2026 AZC025-090100- /O.CON.KFGZ.SV.W.0079.000000T0000Z-260809T0100Z/ Yavapai AZ- 546 PM MST Sat Aug 8 2026 ...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 6 PM MST FOR YAVAPAI COUNTY... At 546 PM MST, a severe thunderstorm was located over Dewey-Humboldt, or 10 miles southeast of Prescott Valley, moving southwest at 20 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. Locations impacted include... Dewey-Humboldt, Mayer, Mt. Union, Walker, Potato Patch and Poland Junction. This includes State Route 69 between mile markers 267 and 282. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing large hail. && LAT...LON 3458 11220 3445 11205 3428 11228 3445 11245 TIME...MOT...LOC 0033Z 56DEG 16KT 3451 11217 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...<50 MPH $$ JLS Action: Expired Issued At: 2026-08-08 19:58:32 151 WWUS55 KFGZ 090058 SVSFGZ Severe Weather Statement National Weather Service Flagstaff AZ 558 PM MST Sat Aug 8 2026 AZC025-090108- /O.EXP.KFGZ.SV.W.0079.000000T0000Z-260809T0100Z/ Yavapai AZ- 558 PM MST Sat Aug 8 2026 ...SEVERE THUNDERSTORM WARNING WILL EXPIRE AT 6 PM MST FOR YAVAPAI COUNTY... The thunderstorm near Dewey-Humboldt, which prompted the warning, has weakened below severe limits, and no longer poses an immediate threat to life or property. Therefore, the warning will be allowed to expire. However, small hail and heavy rain are still possible with this thunderstorm. && LAT...LON 3458 11220 3445 11205 3428 11228 3445 11245 TIME...MOT...LOC 0046Z 56DEG 16KT 3448 11223 $$ JLS | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||