SPC AC 151940
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0240 PM CDT TUE APR 15 2008
VALID 152000Z - 161200Z
...NO SVR TSTM AREAS FORECAST...
...NRN WY/DAKOTAS...
LATEST VISIBLE SATELLITE IMAGERY SUGGESTS CONVECTION IS BEGINNING TO
DEEPEN WITHIN UPSLOPE SWLY FLOW ALONG THE SRN MT/ID BORDER WITHIN
WARM CONVEYOR AHEAD OF COLD FRONT. FORECAST SOUNDINGS SUGGEST
CONVECTION MAY DEEPEN SUFFICIENTLY FOR ISOLATED LIGHTING OVER THE
NEXT FEW HOURS...ESPECIALLY AS COLDER MID LEVEL TEMPERATURES SPREAD
EAST ENHANCING LAPSE RATE ENVIRONMENT. MEAGER MOISTURE WILL LIMIT
OVERALL INSTABILITY BUT IT APPEARS SUSTAINED ASCENT WILL CONTRIBUTE
TO MID LEVEL MOISTENING/DESTABILIZATION ACROSS THIS REGION. EVEN
SO...LIGHTNING WILL REMAIN SPARSE AS CONVECTION SPREADS INTO THE
DAKOTAS AHEAD OF UPPER TROUGH LATER TONIGHT.
..DARROW.. 04/15/2008
CLICK TO GET WUUS01 PTSDY1 PRODUCT
NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED BY 0100Z
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