902  
FXUS65 KGGW 140822  
AFDGGW  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE GLASGOW MT  
222 AM MDT FRI MAY 14 2021  
   
DISCUSSION
 
 
AN UNSTABLE WNW FLOW ALOFT WILL CONTINUE OVER THE FORECAST AREA  
TODAY WITH FREQUENT WAVES THAT WILL PRODUCE ISOLATED TO SCATTERED  
SHOWERS AND THUNDERSTORMS.  
 
A SOMEWHAT MORE STABLE ATMOSPHERE MOVES INTO THE AREA TONIGHT  
DIMINISHING THE SHOWERS.A SHORTWAVE RIDGE WILL KEEP THE AREA DRY  
ON SATURDAY WITH THE WAVES TRACKING TO THE SOUTH OF THE FORECAST  
AREA.  
 
UPPER RIDGE MOVES IN ON SUNDAY AND REMAINS OVER THE AREA MONDAY  
AND TUESDAY WITH WARM AND DRY WEATHER.  
 
WEDNESDAY AND THURSDAY, AN UPPER TROUGH MOVES INLAND FROM THE  
PACIFIC WITH A COLD FRONT THROUGH WILL BRING CHANCES FOR SHOWERS  
AND THUNDERSTORMS.  
 

 
   
AVIATION
 
 
LAST UPDATED: 0815Z  
 
FLIGHT CAT: VFR  
 
DISCUSSION: ISOLATED TO SCATTERED SHOWERS AND THUNDERSTORMS TODAY  
WITH THE BEST CHANCE THIS AFTERNOON. LOOK FOR MOSTLY CLEAR SKIES  
TONIGHT.  
 
WIND: LIGHT AND VARIABLE THROUGH THE CYCLE. AIRSTRIPS DIRECTLY  
UNDER OR ADJACENT TO THUNDERSTORMS COULD EXPERIENCE GUSTY AND  
ERRATIC WINDS.  
 

 
   
GLASGOW WATCHES/WARNINGS/ADVISORIES
 
NONE.  
 

 
 

 
 
WEATHER.GOV/GLASGOW  
 
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