809  
ACUS03 KWNS 050656  
SWODY3  
SPC AC 050655  
 
DAY 3 CONVECTIVE OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK  
1255 AM CST TUE DEC 05 2017  
 
VALID 071200Z - 081200Z  
   
..NO THUNDERSTORM AREAS FORECAST
 
 
   
..SUMMARY
 
 
NO THUNDERSTORMS ARE EXPECTED ON THURSDAY.  
   
..SYNOPSIS
 
 
STRONGLY AMPLIFIED UPPER PATTERN, CHARACTERIZED BY WESTERN CONUS  
RIDGING AND CENTRAL/EASTERN CONUS TROUGHING, WILL GRADUALLY SHIFT  
EASTWARD THROUGHOUT THE PERIOD, WHILE MAINTAINING SIGNIFICANT  
AMPLIFICATION. AT THE SURFACE, EXPANSIVE HIGH PRESSURE WILL REMAIN  
LARGELY IN PLACE, EXTENDING FROM THE PACIFIC NORTHWEST  
EASTWARD/SOUTHEASTWARD TO THE MS VALLEY. SOME SHOWERS ARE POSSIBLE  
WITHIN THE WARM-AIR ADVECTION NORTH OF A DECAYING COLD FRONT, FROM  
SOUTH TX INTO SOUTHERN GA AND NORTHERN FL. HOWEVER, LIMITED  
INSTABILITY AND ELEVATED NATURE TO THESE SHOWERS WILL LIKELY INHIBIT  
THUNDERSTORM DEVELOPMENT. NO THUNDERSTORM ACTIVITY IS EXPECTED  
ELSEWHERE ACROSS THE CONUS.  
 
..MOSIER.. 12/05/2017  
 

 
 
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