Nov 5, 2009 1730 UTC Day 2 Convective Outlook
Updated: Thu Nov 5 17:02:45 UTC 2009
Probabilistic to Categorical Outlook Conversion Table (Effective Feb 14, 2006).
Categorical Graphic
20091105 1730 UTC Day 2 Outlook Graphic
Probabilistic Graphic
20091105 1730 UTC Day Probabilitic Graphic
Probability Legend Image
   SPC AC 051701
   
   DAY 2 CONVECTIVE OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   1101 AM CST THU NOV 05 2009
   
   VALID 061200Z - 071200Z
   
   ...NO SVR TSTM AREAS FORECAST...
   
   ...SYNOPSIS...
   FAST FLOW ALOFT IS PROGGED TO REMAIN ACROSS ROUGHLY THE NRN HALF OF
   THE U.S. THIS PERIOD.  A TROUGH/LOW IS EXPECTED TO DEPART THE
   NORTHEAST/NEW ENGLAND THROUGH THE DAY...WHILE UPSTREAM RIDGING
   CROSSES THE GREAT LAKES REGION.
   
   FARTHER W...A SHORT-WAVE TROUGH SHIFTING OUT OF THE NWRN U.S. AND
   INTO THE NRN PLAINS/CANADIAN PRAIRIE WILL BE FOLLOWED BY A SECOND
   FEATURE SHIFTING SEWD TOWARD THE PAC NW.  AS A RESULT...LONGER-WAVE
   MEAN TROUGHING WILL BE MAINTAINED ACROSS NWRN NOAM THROUGH THE
   PERIOD.
   
   AT THE SURFACE...A COLD FRONT WILL SPREAD EWD ACROSS CENTRAL CANADA
   AND THE N CENTRAL U.S. THROUGH THE END OF THE PERIOD...IN
   CONJUNCTION WITH THE INITIAL WRN UPPER TROUGH.  ELSEWHERE...HIGH
   PRESSURE IS EXPECTED TO REMAIN OVER THE ERN THIRD OF THE CONUS.
   
   SHOWERS AND OCCASIONAL LIGHTNING STRIKES WILL BE POSSIBLE ACROSS THE
   COASTAL PAC NW...AS STRONG LOW-LEVEL ONSHORE/UPSLOPE FLOW PROVIDES
   FAVORABLE LIFT.  ELSEWHERE...THUNDERSTORMS ARE NOT ANTICIPATED THIS
   PERIOD.
   
   ..GOSS.. 11/05/2009
   
   CLICK TO GET WUUS02 PTSDY2 PRODUCT

   NOTE: THE NEXT DAY 2 OUTLOOK IS SCHEDULED BY 0700Z