SPC AC 051221
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0621 AM CST TUE DEC 05 2006
VALID 051300Z - 061200Z
...NO TSTM AREAS FORECAST...
...SYNOPSIS/FORECAST...
BROAD LONG WAVE TROUGH WILL PERSIST OVER THE ERN TWO THIRDS OF NOAM
THIS PERIOD. ONE LOW AMPLITUDE SHORTWAVE DISTURBANCE NOW OVER THE
UPR OH VLY WILL EXIT THE NERN STATES LATER TODAY AS UPSTREAM IMPULSE
OVER SRN SASKATCHEWAN DROPS SE/ESE ACROSS THE UPR MS VLY/UPR GRT
LKS.
SFC RIDGING OVER THE GULF OF MEXICO AND DRY LOW LEVEL ENVIRONMENT
WILL CONTINUE TO PROHIBIT DEEP CONVECTIVE DEVELOPMENT ACROSS THE
NATION THIS PERIOD. MODERATE LAKE-ENHANCED CONVECTIVE BANDS/
CLUSTERS NOW PRESENT E OF LKS ERIE AND ONTARIO SHOULD DIMINISH LATER
TODAY AS BOUNDARY LAYER BECOMES MORE SHALLOW IN WAKE OF PASSING UPR
TROUGH.
..CORFIDI.. 12/05/2006
CLICK TO GET WUUS01 PTSDY1 PRODUCT
NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED BY 1630Z
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