308  
WUUS55 KFGZ 210130  
SVRFGZ  
AZC005-017-210200-  
/O.NEW.KFGZ.SV.W.0100.260821T0130Z-260821T0200Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SEVERE THUNDERSTORM WARNING  
NATIONAL WEATHER SERVICE FLAGSTAFF AZ  
630 PM MST THU AUG 20 2026  
 
THE NATIONAL WEATHER SERVICE IN FLAGSTAFF HAS ISSUED A  
 
* SEVERE THUNDERSTORM WARNING FOR...  
COCONINO COUNTY IN NORTH CENTRAL ARIZONA...  
NAVAJO COUNTY IN NORTH CENTRAL ARIZONA...  
 
* UNTIL 700 PM MST.  
 
* AT 630 PM MST, A SEVERE THUNDERSTORM WAS LOCATED 6 MILES SOUTH OF  
WINSLOW-LINDBERGH REGIONAL AIRPORT, OR 7 MILES SOUTHWEST OF  
WINSLOW, MOVING NORTHWEST AT 10 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...  
WINSLOW AND WINSLOW-LINDBERGH REGIONAL AIRPORT.  
 
THIS INCLUDES THE FOLLOWING HIGHWAYS...  
INTERSTATE 40 BETWEEN MILE MARKERS 244 AND 249. STATE ROUTE 99  
BETWEEN MILE MARKERS 40 AND 54. STATE ROUTE 87 BETWEEN MILE MARKERS  
327 AND 341.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
SEEK SHELTER INSIDE A WELL-BUILT STRUCTURE AND STAY AWAY FROM  
WINDOWS. THIS STORM IS CAPABLE OF PRODUCING DAMAGING WINDS AND LARGE  
HAIL.  
 
TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM AND MAY LEAD TO  
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.  
 
 
 
LAT...LON 3504 11075 3499 11066 3483 11075 3490 11096  
3509 11085  
TIME...MOT...LOC 0130Z 116DEG 7KT 3494 11075  
 
HAIL THREAT...RADAR INDICATED  
MAX HAIL SIZE...1.00 IN  
WIND THREAT...RADAR INDICATED  
MAX WIND GUST...60 MPH  
 
 
 
JJ  
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