428  
ACUS02 KWNS 090650  
SWODY2  
SPC AC 090649  
 
DAY 2 CONVECTIVE OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK  
1249 AM CST THU NOV 09 2017  
 
VALID 101200Z - 111200Z  
   
..NO SEVERE THUNDERSTORM AREAS FORECAST
 
 
   
..SUMMARY
 
 
SEVERE STORMS ARE NOT EXPECTED ACROSS THE U.S. FRIDAY.  
   
..SYNOPSIS
 
 
THOUGH AN UPPER LOW WILL MOVE ACROSS SOUTHERN QUEBEC AND ADJACENT  
NEW ENGLAND THROUGH THE FIRST HALF OF THE PERIOD, QUASI-ZONAL FLOW  
IS PROGGED ACROSS THE U.S. FRIDAY -- PARTICULARLY AS EASTERN U.S.  
CYCLONIC FLOW ASSOCIATED WITH THE LOW SHIFTS INTO THE WESTERN  
ATLANTIC WITH TIME. FARTHER WEST, A WEAKENING UPPER LOW OFF THE  
PACIFIC NORTHWEST COAST AT THE START OF THE PERIOD IS FORECAST TO  
SHIFT ACROSS THE NORTHWESTERN STATES AS AN OPEN WAVE, THROUGH  
SATURDAY MORNING.  
 
AT THE SURFACE, HIGH PRESSURE WILL LARGELY PREVAIL OVER THE U.S., AS  
A SURFACE LOW SHIFTS AWAY FROM NORTHERN NEW ENGLAND INTO THE  
CANADIAN MARITIMES AND THE TRAILING COLD FRONT CROSSES THE WESTERN  
ATLANTIC AND GULF OF MEXICO.  
 
SHOWERS -- AND POSSIBLY A THUNDERSTORM OR TWO -- MAY OCCUR OVER  
PARTS OF SOUTHERN AND EASTERN FLORIDA, NEAR AND JUST NORTH OF THE  
SOUTHWARD-MOVING SURFACE FRONT. SHOWERS, AND AGAIN THE CHANCE FOR  
OCCASIONAL CLUSTERS OF LIGHTNING, ARE EXPECTED OVER PARTS OF THE  
NORTHWEST AS THE UPPER SYSTEM MOVES INLAND. IN BOTH AREAS -- AND  
ELSEWHERE ACROSS THE U.S. -- SEVERE WEATHER IS NOT EXPECTED.  
 
..GOSS.. 11/09/2017  
 

 
 
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