SWOMCD
SPC MCD 271857
GAZ000-FLZ000-272100-
MESOSCALE DISCUSSION 2142
NWS STORM PREDICTION CENTER NORMAN OK
0157 PM CDT TUE OCT 27 2009
AREAS AFFECTED...ERN FL PANHANDLE INTO SWRN GA
CONCERNING...TORNADO WATCH 776...
VALID 271857Z - 272100Z
THE SEVERE WEATHER THREAT FOR TORNADO WATCH 776 CONTINUES.
MAIN CONVECTIVE BAND CONTINUES MOVING EWD ACROSS THE ERN GULF/SERN
CONUS...WITH SOMEWHAT STRONGER/MORE CELLULAR CONVECTION FROM SWRN GA
SWD. EVEN ACROSS THIS REGION HOWEVER...WEAK INSTABILITY -- AS
INDICATED BY THE LACK OF INLAND LIGHTNING ATTM -- CONTINUES TO
HINDER THE DEVELOPMENT OF ISOLATED/STRONGER STORMS. LIKEWISE...A
DECREASE IN INTENSITY WITHIN THE ONGOING CONVECTION HAS BEEN NOTED
OVER THE PAST COUPLE OF HOURS.
WHILE SHEAR PROFILES REMAIN FAVORABLE FOR ROTATION WITHIN ANY
SUSTAINED/STRONGER UPDRAFT...A CONTINUED DECREASE IN CONVECTIVE
INTENSITY IS FORECAST GIVEN THE LACK OF INSTABILITY...AND GIVEN THE
STRONGER LARGE-SCALE FORCING CONTINUING ITS NEWD SHIFT AWAY FROM
THIS REGION. WHILE AN ISOLATED/BRIEF TORNADO REMAINS POSSIBLE OVER
THE NEXT COUPLE OF HOURS...THREAT SHOULD CONTINUE TO SLOWLY DIMINISH
THIS AFTERNOON.
..GOSS.. 10/27/2009
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...JAX...TAE...
LAT...LON 29688507 30578449 31068449 31078267 30428343 29688384
29688507
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