664  
WUUS55 KFGZ 210105  
SVRFGZ  
AZC017-210130-  
/O.NEW.KFGZ.SV.W.0099.260821T0105Z-260821T0130Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SEVERE THUNDERSTORM WARNING  
NATIONAL WEATHER SERVICE FLAGSTAFF AZ  
605 PM MST THU AUG 20 2026  
 
THE NATIONAL WEATHER SERVICE IN FLAGSTAFF HAS ISSUED A  
 
* SEVERE THUNDERSTORM WARNING FOR...  
NAVAJO COUNTY IN NORTH CENTRAL ARIZONA...  
 
* UNTIL 630 PM MST.  
 
* AT 605 PM MST, A SEVERE THUNDERSTORM WAS LOCATED 5 MILES NORTHWEST  
OF RAINBOW FOREST LODGE, OR 42 MILES NORTH OF SHOW LOW, MOVING WEST  
AT 15 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...  
HOLBROOK, WOODRUFF, SUN VALLEY, PETRIFIED FOREST NATIONAL PARK,  
RAINBOW FOREST LODGE, LISITZKY SUBDIVISION, ROSEDALE HEIGHTS,  
CLEARVIEW HEIGHTS AND HOLBROOK MUNICIPAL AIRPORT.  
 
THIS INCLUDES THE FOLLOWING HIGHWAYS...  
INTERSTATE 40 BETWEEN MILE MARKERS 286 AND 300. BUSINESS INTERSTATE  
40 BETWEEN MILE MARKERS 286 AND 289. STATE ROUTE 377 BETWEEN MILE  
MARKERS 30 AND 33. STATE ROUTE 77 BETWEEN MILE MARKERS 377 AND 398.  
HIGHWAY 180 BETWEEN MILE MARKERS 308 AND 325.  
 
THIS INCLUDES THE FOLLOWING RECREATION AREAS AND CAMPGROUNDS...  
HUNT PARK.  
 
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.  
 

 
 
LAT...LON 3495 10984 3472 10990 3474 11022 3504 11014  
3496 10984  
TIME...MOT...LOC 0104Z 102DEG 11KT 3486 10994  
 
HAIL THREAT...RADAR INDICATED  
MAX HAIL SIZE...1.00 IN  
WIND THREAT...RADAR INDICATED  
MAX WIND GUST...60 MPH  
 

 
 
JJ  
 
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