SWODY1
SPC AC 180052
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0652 PM CST SUN JAN 17 2010
VALID 180100Z - 181200Z
...NO SVR TSTM AREAS FORECAST...
AN UPPER-LEVEL TROUGH IN THE CAROLINAS WILL MOVE QUICKLY ENEWD
OFFSHORE THIS EVENING. CONVECTION IS CURRENTLY ONGOING IN SRN MD
VERY NEAR THE CENTER OF A 998 MB SFC LOW. INSTABILITY IS VERY WEAK
ALONG THE MID-ATLANTIC COAST AND THE STORMS SHOULD NOT POSE A SEVERE
THREAT.
ANOTHER UPPER-LEVEL TROUGH WILL APPROACH THE WEST COAST TONIGHT.
FORECAST SOUNDINGS ALONG THE COASTS OF ORE AND NRN CA TONIGHT SHOW
STEEP LAPSE RATES WHICH COMBINED WITH STRONG LARGE-SCALE ASCENT
SHOULD BE SUFFICIENT FOR ISOLATED THUNDERSTORMS.
HOWEVER...INSTABILITY IS VERY WEAK AND NO SEVERE THREAT IS EXPECTED
THROUGH DAYBREAK MONDAY.
..BROYLES.. 01/18/2010
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