SWODY1
SPC AC 121955
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0255 PM CDT WED MAR 12 2008
VALID 122000Z - 131200Z
..NO SVR TSTM AREAS FORECAST...
..GRTLKS...
COMPACT MID-LVL WAVE OVER THE MID-MO VLY WILL PROGRESS EWD TO NRN
IL/IND/LWR MI TONIGHT. VIGOROUS ASCENT/DIFFERENTIAL CYCLONIC
VORTICITY ADVECTION WILL CONTRIBUTE TO DEEP LAYER SATURATION TONIGHT
DOWNSTREAM INTO THE GRTLKS REGION ALONG THE NRN PERIPHERY OF A STEEP
MID-LVL LAPSE RATE PLUME. THUS...CONVECTION WILL INCREASE THIS
EVENING WITH SPORADIC LIGHTNING PSBL OVERNIGHT...PRIMARILY ALONG THE
PATH OF THE MID-LVL WAVE.
..SE FL CST...
ECOAST SEABREEZE REMAINS WEAK AT BEST FROM THE CAPE SWD...WITH
STRONGEST PORTION N OF PALM BEACH WHERE DEEP LAYER WLY FLOW WAS
WEAKEST. ISOLD SHOWERS HAVE MADE AN ATTEMPT TO FORM EAST OF MIAMI
BEACH...BUT SUSTAINED WLY FLOW AND DRY ADVECTION THROUGH ALL LAYERS
HAVE LIKELY BEEN DETRIMENTAL TO MAINTAINING UPDRAFTS. THIS WILL
LIKELY BE THE CASE THE REMAINDER OF THE AFTN AND GENERAL TSTM
PROBABILITIES HAVE BEEN REMOVED.
.RACY.. 03/12/2008
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