SWODY1
SPC AC 101909
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0109 PM CST FRI DEC 10 2010
VALID 102000Z - 111200Z
...NO TSTM AREAS FORECAST...
...SYNOPSIS...
CURRENT FORECAST REMAINS ON TRACK...WITH LITTLE POTENTIAL FOR ANY
MORE THAN AN ISOLATED/SPORADIC CENTRAL U.S. LIGHTNING STRIKE THROUGH
THE END OF THE FORECAST PERIOD.
..GOSS.. 12/10/2010
.PREV DISCUSSION... /ISSUED 1017 AM CST FRI DEC 10 2010/
DEEPENING TROUGH INTO THE CENTRAL U.S. WILL LEAD TO SURFACE
CYCLOGENESIS BY LATER TONIGHT OVER NRN IA/SRN MN.
POOR LAPSE RATES COUPLED WITH A VERY DRY AIR MASS AHEAD OF THIS
SYSTEM WILL LIMIT THUNDERSTORM POTENTIAL ACROSS THE CNTRL AND SRN
PLAINS. HOWEVER...STEEPENING MID LEVEL LAPSE RATES AND ADVECTION OF
WARM/MOIST AIR AHEAD OF THE COLD FRONT VIA STRONG SLY LOW LEVEL
WINDS ACROSS ERN TX IN TO OZARKS MAY INCREASE THUNDERSTORM POTENTIAL
TOWARDS 12Z SATURDAY OVER PARTS OF LWR MO VALLEY. THE BULK OF ANY
CONVECTIVE ACTIVITY ASSOCIATED WITH THIS SYSTEM IS EXPECTED TO FALL
INTO THE DAY 2 PERIOD AND WILL THEREFORE CONTINUE THE NO THUNDER
FORECAST.
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