Nov 22, 2007 0800 UTC Day 2 Convective Outlook
Updated: Thu Nov 22 06:33:38 UTC 2007
Probabilistic to Categorical Outlook Conversion Table (Effective Feb 14, 2006).
Categorical Graphic
20071122 0800 UTC Day 2 Outlook Graphic
Probabilistic Graphic
20071122 0800 UTC Day Probabilitic Graphic
Probability Legend Image
   SPC AC 220630
   
   DAY 2 CONVECTIVE OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   1230 AM CST THU NOV 22 2007
   
   VALID 231200Z - 241200Z
   
   ...NO SVR TSTM AREAS FORECAST...
   
   ...SYNOPSIS...
   LARGE-SCALE UPPER TROUGH TO PERSIST ACROSS THE ERN 3/4 OF THE
   CONUS...AS A SHORTER-WAVELENGTH TROUGH MOVES OFF THE NORTHEAST U.S.
   COAST AND A SECOND CONTINUES TO DIG SEWD ACROSS THE DESERT SW TOWARD
   NWRN MEXICO LATE.  MEANWHILE...RIDGING WILL BEGIN TO EXPAND ACROSS
   THE WEST AS THE MEAN UPPER TROUGH SHIFTS SLOWLY EWD.
   
   AT THE SURFACE...COLD FRONT -- ALREADY OFF THE ATLANTIC AND GULF
   COASTS PRIOR TO THE START OF THE PERIOD -- WILL CONTINUE MOVING
   SLOWLY SWD ACROSS THE FL PENINSULA.  WHILE SHOWERS AND THUNDERSTORMS
   ARE EXPECTED TO ACCOMPANY THIS FRONT...WEAK INSTABILITY SHOULD
   PRECLUDE ANY SEVERE POTENTIAL.
   
   ELSEWHERE...A FEW THUNDERSTORMS WILL BE POSSIBLE ACROSS PARTS OF AZ
   AND VICINITY AS UPPER SHORT-WAVE TROUGH DIGS SEWD ACROSS THIS
   REGION...AND THUNDER MAY ALSO OCCUR ACROSS S TX LATE AS ELEVATED
   CONVECTION SPREADS NWD WITHIN EXPANDING WARM ADVECTION ZONE.
   
   ..GOSS.. 11/22/2007
   
   CLICK TO GET WUUS02 PTSDY2 PRODUCT

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