SWODY3
SPC AC 210701
DAY 3 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0201 AM CDT THU AUG 21 2008
VALID 231200Z - 241200Z
...NO SVR TSTM AREAS FORECAST...
...GREAT LAKES TO CENTRAL PLAINS...
STRONG WLY FLOW ALOFT WILL CONTINUE TO LAG ADVANCING COLD FRONT AS
IT SURGES ACROSS THE UPPER GREAT LAKES REGION...WHILE TRAILING
PORTION OF BOUNDARY EASES INTO THE CNTRL HIGH PLAINS BENEATH UPPER
RIDGING. THIS FRONTAL ZONE WILL LIKELY CONTRIBUTE TO THUNDERSTORM
DEVELOPMENT...ESPECIALLY DURING THE AFTERNOON/EVENING HOURS FROM
LOWER MI...IL...MO...KS INTO CO. WHILE THERE MAY BE A FEW ROBUST
UPDRAFTS THAT PRODUCE LOCALLY STRONG WINDS OR HAIL AIDED BY THE HEAT
OF THE DAY...GENERALLY WEAK SHEAR AND MODEST INSTABILITY DO NOT
WARRANT SEVERE PROBABILITIES DURING THE DAY3 PERIOD.
...FAY...
REMNANTS OF TROPICAL STORM FAY WILL LIKELY CONTINUE MOVING WWD ALONG
THE CNTRL GULF COAST ACROSS THE FL PANHANDLE INTO SRN AL.
PREDICTABILITY OF SEVERE THUNDERSTORMS WITH THIS SYSTEM BEYOND THE
DAY1-2 TIME FRAME WILL PROVE DIFFICULT. FOR THIS REASON WILL NOT
INTRODUCE PROBABILITIES FOR TORNADOES AT THIS TIME.
..DARROW.. 08/21/2008
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