SPC AC 160530
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1130 PM CST TUE DEC 15 2009
VALID 161200Z - 171200Z
...NO SVR TSTM AREAS FORECAST...
TWO AREAS IN THE CONUS HAVE POTENTIAL FOR THUNDERSTORMS TODAY. THE
FIRST BEING IN SRN FL WHERE SFC DEWPOINTS WILL REMAIN IN THE MID 60S
F AND MODERATE INSTABILITY MAY DEVELOP NEAR MIAMI THIS AFTERNOON.
WEAK LOW-LEVEL FLOW AND INADEQUATE DEEP LAYER SHEAR SHOULD KEEP THE
CONVECTION UNORGANIZED. THE SECOND AREA WITH POTENTIAL FOR ISOLATED
STRIKES IS ALONG THE COAST OF THE PACIFIC NORTHWEST AHEAD AN
UPPER-LEVEL TROUGH WHERE LAPSE RATES ARE FORECAST TO BE STEEP. NO
SEVERE THUNDERSTORMS ARE EXPECTED ACROSS THE CONUS TODAY OR TONIGHT.
..BROYLES.. 12/16/2009
CLICK TO GET WUUS01 PTSDY1 PRODUCT
NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED BY 1300Z
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