


Severe Thunderstorm Warning
Issued by NWS Flagstaff, AZ
Issued by NWS Flagstaff, AZ
917 WUUS55 KFGZ 220022 SVRFGZ AZC025-220045- /O.NEW.KFGZ.SV.W.0018.250822T0022Z-250822T0045Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Flagstaff AZ 522 PM MST Thu Aug 21 2025 The National Weather Service in Flagstaff has issued a * Severe Thunderstorm Warning for... Yavapai County in west central Arizona... * Until 545 PM MST. * At 522 PM MST, a severe thunderstorm was located over Horse Thief Basin, or 25 miles south of Prescott, moving southwest at 5 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * Locations impacted include... Horse Thief Basin, Crown King and Castle Creek Wilderness. This includes the following recreation areas and campgrounds... Turney Gulch Group Campground and Hazlett Hollow Campground. 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 3428 11227 3421 11222 3413 11230 3426 11240 TIME...MOT...LOC 0022Z 57DEG 2KT 3421 11231 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...<50 MPH $$ McCollum