SPC AC 150621
DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1221 AM CST MON FEB 15 2010
VALID 161200Z - 171200Z
...NO SVR TSTM AREAS FORECAST...
...SYNOPSIS AND FORECAST...
DEEP-LAYER CYCLONE DEVELOPING NEWD ALONG THE MID ATLANTIC AND NEW
ENGLAND COASTS WILL CONTINUE TO ANCHOR LONG WAVE TROUGH E OF THE
ROCKIES THROUGH THE DAY TWO PERIOD. IN THE W...A STRONG SHORT WAVE
TROUGH WILL MOVE INTO BRITISH COLUMBIA AND ALBERTA FROM THE ERN
PACIFIC...WHILE FARTHER S...A SERIES OF WEAKER IMPULSES MOVE THROUGH
THE PACIFIC NW AND CA/NV.
IN THE LOW LEVELS...BROAD SURFACE RIDGING WILL EXIST OVER THE CNTRL
CONUS...MAINTAINING OFFSHORE FLOW ALONG THE GULF COAST. THE ONLY
PROSPECT FOR ISOLATED TSTM DEVELOPMENT APPEARS TO BE OVER PARTS OF
NRN CA TUESDAY AFTERNOON INTO EVENING. HERE...INCREASING MIDLEVEL
MOISTURE FROM THE PACIFIC WILL COMBINE WITH STEEPENING MIDLEVEL
LAPSE RATES TO SUPPORT POCKETS OF WEAK CONVECTIVE INSTABILITY AND A
THREAT FOR ISOLATED TSTMS. NO SEVERE WEATHER IS EXPECTED.
..MEAD.. 02/15/2010
CLICK TO GET WUUS02 PTSDY2 PRODUCT
NOTE: THE NEXT DAY 2 OUTLOOK IS SCHEDULED BY 1730Z
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