184  
FLUS45 KRIW 192108  
HWORIW  
 
HAZARDOUS WEATHER OUTLOOK  
NATIONAL WEATHER SERVICE RIVERTON WY  
208 PM MST WED FEB 19 2020  
 
WYZ001>020-022>030-202115-  
YELLOWSTONE NATIONAL PARK-ABSAROKA MOUNTAINS-CODY FOOTHILLS-  
NORTH BIG HORN BASIN-SOUTHWEST BIG HORN BASIN-  
SOUTHEAST BIG HORN BASIN-OWL CREEK AND BRIDGER MOUNTAINS-  
BIGHORN MOUNTAINS WEST-BIGHORN MOUNTAINS SOUTHEAST-  
NORTHEAST JOHNSON COUNTY-SOUTHEAST JOHNSON COUNTY-  
TETON AND GROS VENTRE MOUNTAINS-JACKSON HOLE-  
WIND RIVER MOUNTAINS WEST-WIND RIVER MOUNTAINS EAST-  
UPPER WIND RIVER BASIN-WIND RIVER BASIN-LANDER FOOTHILLS-  
GREEN MOUNTAINS AND RATTLESNAKE RANGE-  
NATRONA COUNTY LOWER ELEVATIONS-CASPER MOUNTAIN-STAR VALLEY-  
SALT RIVER AND WYOMING RANGES-UPPER GREEN RIVER BASIN FOOTHILLS-  
UPPER GREEN RIVER BASIN-SOUTH LINCOLN COUNTY-  
ROCK SPRINGS AND GREEN RIVER-FLAMING GORGE-EAST SWEETWATER COUNTY-  
208 PM MST WED FEB 19 2020  
 
THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND CENTRAL  
WYOMING.  
   
DAY ONE
 
THIS AFTERNOON AND TONIGHT.  
 
AREAS OF FOG WILL REDEVELOP OVERNIGHT ACROSS THE GREEN RIVER AND  
WIND RIVER BASINS.  
 
TEMPERATURES WILL FALL WELL BELOW NORMAL TONIGHT, WITH NEARLY ALL  
LOCATIONS FALLING BELOW ZERO. LOW OF 20 TO 25 BELOW ZERO WILL BE  
NOTED AGAIN FOR THE UPPER GREEN RIVER BASIN.  
   
DAYS TWO THROUGH SEVEN
 
THURSDAY THROUGH TUESDAY.  
 
TEMPERATURES WILL BE BELOW NORMAL FOR MOST AREAS THURSDAY. THE  
COLDEST TEMPERATURES ARE EXPECTED THURSDAY MORNING WITH MANY OF  
THE BASINS AND VALLEYS BELOW ZERO. THESE READINGS WOULD BE ABOUT  
20 DEGREES BELOW NORMAL.  
 
AREAS OF FOG THURSDAY MORNING WILL DISSIPATE BY NOON.  
 
SUNDAY NIGHT AND MONDAY...A CHANCE OF SNOW IN THE WEST SUNDAY  
NIGHT. A CHANCE OF SNOW MOST AREAS MONDAY.  
   
SPOTTER INFORMATION STATEMENT
 
 
SPOTTER ACTIVATION WILL NOT BE NEEDED.  
 

 
 
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