175  
FLUS45 KSLC 211828  
HWOSLC  
 
HAZARDOUS WEATHER OUTLOOK  
NATIONAL WEATHER SERVICE SALT LAKE CITY UT  
1228 PM MDT TUE MAY 21 2013  
 
UTZ001>016-019>021-517-518-WYZ021-221300-  
CACHE VALLEY/UTAH PORTION-NORTHERN WASATCH FRONT-  
SALT LAKE AND TOOELE VALLEYS-SOUTHERN WASATCH FRONT-  
GREAT SALT LAKE DESERT AND MOUNTAINS-WASATCH MOUNTAIN VALLEYS-  
WASATCH MOUNTAINS I-80 NORTH-WASATCH MOUNTAINS SOUTH OF I-80-  
WESTERN UINTA MOUNTAINS-WASATCH PLATEAU/BOOK CLIFFS-  
WESTERN UINTA BASIN-CASTLE COUNTRY-SAN RAFAEL SWELL-  
SANPETE/SEVIER VALLEYS-WEST CENTRAL UTAH-SOUTHWEST UTAH-  
UTAHS DIXIE AND ZION NATIONAL PARK-SOUTH CENTRAL UTAH-  
GLEN CANYON RECREATION AREA/LAKE POWELL-CENTRAL MOUNTAINS-  
SOUTHERN MOUNTAINS-SOUTHWEST WYOMING-  
1228 PM MDT TUE MAY 21 2013  
 
THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE WESTERN TWO THIRDS OF  
UTAH AND SOUTHWEST WYOMING.  
   
DAY ONE  
THIS AFTERNOON AND TONIGHT  
 
FLOWS IN THE RIVERS AND STREAMS ACROSS THE REGION WILL CONTINUE  
TO BE VERY SWIFT AND COLD. WHILE FLOODING IS NOT ANTICIPATED...  
THESE WATERWAYS ARE VERY DANGEROUS.  
 
PLEASE BE AWARE OF THE DANGEROUS CONDITIONS IF YOU ARE VENTURING  
OUT NEAR ANY RIVER OR STREAM FED BY SPRING SNOWMELT RUNOFF.  
PLEASE MONITOR YOUR CHILDREN IF THEY VENTURE NEAR STREAMS AND  
RIVERS THIS SPRING. EVERY YEAR MANY CHILDREN FALL INTO SWOLLEN  
RIVERS AND STREAMS...AND SOME HAVE DROWNED IN THESE VERY COLD AND  
SWIFT WATERS.  
   
DAYS TWO THROUGH SEVEN  
WEDNESDAY THROUGH MONDAY  
 
RIVERS AND STREAMS ACROSS THE REGION WILL CONTINUE TO BE VERY  
SWIFT AND COLD. EXTREME CAUTION SHOULD BE USED NEAR THESE  
WATERWAYS...AND CHILDREN AND PETS SHOULD BE CLOSELY MONITORED.  
 
A WARM AND DRY AIR MASS WILL PERSIST OVER MOST OF THE AREA  
THROUGH THE END OF THE WEEK.  
 
GUSTY DAYTIME SOUTHWEST WINDS ARE LIKELY ACROSS MAINLY SOUTHERN  
AND EASTERN PORTIONS OF THE AREA STARTING WEDNESDAY AND CONTINUING  
INTO THE WEEKEND. THESE WINDS WHEN COMBINED WITH THE DRY AIR MASS  
WILL TEND TO ACCELERATE DRYING OF THE FINE FUELS AND COULD LEAD TO  
HAZARDOUS FIRE WEATHER CONDITIONS ACROSS SOUTHERN UTAH WHERE FUELS  
ARE NEARING CRITICALLY DRY LEVELS.  
   
SPOTTER INFORMATION STATEMENT  
 
WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER  
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.  
 
 
 
FOR MORE INFORMATION FROM NOAA/S NATIONAL WEATHER SERVICE VISIT...  
HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)  
 
FOR INFORMATION ON POTENTIAL TRAVEL IMPACTS VISIT...  
HTTP://WWW.UDOTTRAFFIC.UTAH.GOV/ROADWEATHERFORECAST.ASPX  
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