612  
WWUS55 KFGZ 132314  
SQWFGZ  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SNOW SQUALL WARNING  
NATIONAL WEATHER SERVICE FLAGSTAFF AZ  
414 PM MST THU MAR 13 2025  
 
AZC005-025-132345-  
/O.NEW.KFGZ.SQ.W.0001.250313T2314Z-250313T2345Z/  
YAVAPAI-COCONINO-  
414 PM MST THU MAR 13 2025  
 
THE NATIONAL WEATHER SERVICE IN FLAGSTAFF HAS ISSUED A  
 
* SNOW SQUALL WARNING FOR...  
YAVAPAI COUNTY IN WEST CENTRAL ARIZONA...  
COCONINO COUNTY IN NORTH CENTRAL ARIZONA...  
 
* UNTIL 445 PM MST/545 PM MDT.  
 
* AT 413 PM MST/513 PM MDT, A DANGEROUS SNOW SQUALL WAS LOCATED ALONG  
A LINE EXTENDING FROM BISMARCK LAKE TO FORT TUTHILL PARK TO THUNDER  
MOUNTAIN TRAILHEAD, MOVING NORTHEAST AT 45 MPH.  
 
HAZARD...WHITEOUT CONDITIONS WITH NEAR ZERO VISIBILITY ASSOCIATED  
WITH INTENSE BURSTS OF HEAVY SNOW AND GUSTY WINDS LEADING  
TO BLOWING SNOW. WIND GUSTS GREATER THAN 50 MPH COULD  
KNOCK DOWN TREE LIMBS AND BLOW AROUND UNSECURED OBJECTS.  
 
SOURCE...RADAR AND WEBCAMS.  
 
IMPACT...DANGEROUS AND LIFE-THREATENING TRAVEL CONDITIONS ARE  
EXPECTED TO DEVELOP RAPIDLY IN THE WARNING AREA.  
 
THIS INCLUDES THE FOLLOWING HIGHWAYS...  
ROUTE 66 BETWEEN MILE MARKERS 192 AND 204.  
INTERSTATE 40 BETWEEN MILE MARKERS 190 AND 227.  
INTERSTATE 17 BETWEEN MILE MARKERS 312 AND 339.  
STATE ROUTE 179 BETWEEN MILE MARKERS 307 AND 313.  
STATE ROUTE 89A BETWEEN MILE MARKERS 369 AND 398.  
U.S. HIGHWAY 89 BETWEEN MILE MARKERS 419 AND 441.  
HIGHWAY 180 BETWEEN MILE MARKERS 217 AND 226, AND NEAR MILE MARKER  
236.  
 
LOCATIONS IMPACTED INCLUDE...  
DOWNTOWN FLAGSTAFF, KACHINA VILLAGE, MUNDS PARK, AND WINONA.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
REDUCE SPEED AND TURN ON HEADLIGHTS! DURING SNOW SQUALLS, THE  
VISIBILITY MAY SUDDENLY DROP TO NEAR ZERO IN WHITEOUT CONDITIONS.  
 
CONSIDER AVOIDING OR DELAYING TRAVEL UNTIL THE SNOW SQUALL PASSES  
YOUR LOCATION. IF YOU MUST TRAVEL, USE EXTRA CAUTION AND ALLOW EXTRA  
TIME. RAPID CHANGES IN VISIBILITY AND SLICK ROAD CONDITIONS MAY LEAD  
TO ACCIDENTS.  
 

 
 
LAT...LON 3573 11112 3526 11109 3485 11123 3477 11188  
3511 11176 3542 11176  
TIME...MOT...LOC 2313Z 236DEG 41KT 3539 11171 3514 11172 3487 11181  
 
SNOW SQUALL...OBSERVED  
SNOW SQUALL IMPACT...SIGNIFICANT  
 

 
 
HUMPHREYS  
 
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