SWODY1
SPC AC 040058
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0658 PM CST THU JAN 03 2008
VALID 040100Z - 041200Z
..NO TSTM AREAS FORECAST...
..PACIFIC NW COASTAL AREAS...
SCATTERED SHOWERS PERSIST FROM NWRN OREGON THROUGH WRN WA WITHIN
ZONE OF ASCENT AND ONSHORE FLOW ASSOCIATED WITH SHORTWAVE TROUGH
EJECTING NEWD. OBSERVED SOUNDINGS SHOW COLD AIR ALOFT WITH -28C AT
500 MB AND 7-7.5 SFC-500 MB LAPSE RATES. HOWEVER...INSTABILITY IS
VERY MARGINAL WITH MUCAPE AOB 200 J/KG AND CONFINED MOSTLY TO LAYERS
WHERE TEMPERATURES ARE AOA -12C. AN ISOLATED LIGHTNING STRIKE OR TWO
IS POSSIBLE THIS EVENING...BUT THERMODYNAMIC PROFILES WILL LIKELY
REMAIN INSUFFICIENT FOR MORE THAN 10% THUNDERSTORM COVERAGE.
.DIAL.. 01/04/2008
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