Sep 16, 2009 0600 UTC Day 2 Convective Outlook
Updated: Wed Sep 16 05:51:41 UTC 2009
Probabilistic to Categorical Outlook Conversion Table (Effective Feb 14, 2006).
Categorical Graphic
20090916 0600 UTC Day 2 Outlook Graphic
Probabilistic Graphic
20090916 0600 UTC Day Probabilitic Graphic
Probability Legend Image
   SPC AC 160549
   
   DAY 2 CONVECTIVE OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   1249 AM CDT WED SEP 16 2009
   
   VALID 171200Z - 181200Z
   
   ...NO SVR TSTM AREAS FORECAST...
   
   ...SYNOPSIS...
   DEAMPLIFICATION IS FORECAST WITHIN THE MID-LEVEL FLOW FIELD ACROSS
   THE NRN CONUS...AS THE WRN TROUGH WEAKENS/SHIFTS ENEWD TOWARD THE
   CANADIAN PRAIRIE AND IMPINGES ON THE STRONG DOWNSTREAM RIDGE. 
   MEANWHILE...THE MEAN TROUGH OVER THE NORTHEAST WILL REMAIN...THOUGH
   DEAMPLIFYING SOME AS SHORT-WAVE ENERGY SHIFTS E OF NEW ENGLAND
   THROUGH THE PERIOD.
   
   ELSEWHERE...TWO MID-LEVEL LOWS WITHIN THE LONG-WAVE RIDGE PREVAILING
   ACROSS THE CONUS WILL MAINTAIN THEIR IDENTITY THROUGH THE PERIOD --
   THE WRN FEATURE DRIFTING OUT OF AZ AND INTO NM...AND THE ERN ONE
   MOVING SLOWLY EWD FROM E TX/WRN LA TOWARD THE LOWER MS VALLEY
   THROUGH THE PERIOD.
   
   SHOWERS AND THUNDERSTORMS ARE FORECAST TO INCREASE THROUGH THE
   AFTERNOON ACROSS PARTS OF UT/CO/AZ/NM...AHEAD OF THE WRN UPPER LOW. 
   SHOWERS AND STORMS WILL ALSO BE WIDESPREAD ACROSS THE SOUTHEAST
   QUARTER OF THE COUNTRY IN CONJUNCTION WITH THE ERN UPPER LOW...AND
   SCATTERED ACROSS PARTS OF ID/MT AHEAD OF THE UPPER TROUGH MOVING
   TOWARD THE CANADIAN PRAIRIE.  IN ALL THREE AREAS...CAPE/SHEAR
   COMBINATION APPEARS UNSUPPORTIVE OF APPRECIABLE SEVERE POTENTIAL.
   
   ..GOSS.. 09/16/2009
   
   CLICK TO GET WUUS02 PTSDY2 PRODUCT

   NOTE: THE NEXT DAY 2 OUTLOOK IS SCHEDULED BY 1730Z