SPC AC 300557

   DAY 2 CONVECTIVE OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   1257 AM CDT WED SEP 30 2015

   VALID 011200Z - 021200Z

   ...NO SVR TSTM AREAS FORECAST...

   ...SUMMARY...
   A FEW STRONG STORMS WILL BE POSSIBLE DURING THE AFTERNOON AND
   EVENING ACROSS THE CENTRAL AND NORTHERN HIGH PLAINS VICINITY. 
   OTHERWISE...SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE ACROSS A
   BROADER REGION OF THE INTERMOUNTAIN WEST/ROCKIES...AS WELL AS ACROSS
   THE SOUTHEAST U.S. AND PARTS OF THE MID-ATLANTIC REGION.

   ...DISCUSSION...
   ERN U.S. UPPER TROUGHING IS PROGGED TO REMAIN IN PLACE DAY
   TWO...GRADUALLY EVOLVING INTO A PAIR OF CLOSED LOWS -- OVER THE
   SOUTHEAST U.S. AND THE SECOND OVER QUEBEC.  MEANWHILE IN THE W...A
   SECOND TROUGH MOVING ACROSS THE ERN PACIFIC IS FORECAST TO MOVE
   TOWARD/INTO THE GREAT BASIN/NRN INTERMOUNTAIN REGION.

   AT THE SURFACE...BROAD LOW PRESSURE IS FORECAST TO RESIDE OVER THE
   INTERMOUNTAIN W AHEAD OF THE ADVANCING UPPER SYSTEM...WHILE A LARGE
   HIGH REMAINS IN PLACE FROM QUEBEC SSWWD TO TX.  IN THE
   SOUTHEAST...WEAK TROUGHING/LOW PRESSURE IS FORECAST...AS THE UPPER
   LOW GRADUALLY EVOLVES.  

   WIDESPREAD SHOWERS AND EMBEDDED THUNDERSTORMS ARE FORECAST OVER THE
   SOUTHEAST STATES...WITHIN THE MOIST/TROPICAL AIRMASS RESIDING ACROSS
   THIS AREA.  SHOWERS AND SCATTERED STORMS WILL ALSO AFFECT PORTIONS
   OF THE ROCKIES/INTERMOUNTAIN W AHEAD OF THE ADVANCING UPPER SYSTEM. 
   WITH SEVERE POTENTIAL APPEARING LESS LIKELY ACROSS THE CENTRAL HIGH
   PLAINS VICINITY DUE TO MORE PRONOUNCED RIDGING/SUBSIDENCE THAN WAS
   APPARENT IN THE PRIOR FORECAST...HAVE OPTED TO REMOVE THE MRGL RISK
   AREA.  APPRECIABLE SEVERE RISK APPEARS UNLIKELY ATTM ACROSS THE U.S.
   THIS PERIOD.

   ..GOSS.. 09/30/2015

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