Tuesday, October 18, 2011

MESO: Mesoscale Discussion 2262

ACUS11 KWNS 182242
SWOMCD
SPC MCD 182241
FLZ000-190015-

MESOSCALE DISCUSSION 2262
NWS STORM PREDICTION CENTER NORMAN OK
0541 PM CDT TUE OCT 18 2011

AREAS AFFECTED...CNTRL/SRN FL

CONCERNING...TORNADO WATCH 867...

VALID 182241Z - 190015Z

THE SEVERE WEATHER THREAT FOR TORNADO WATCH 867 CONTINUES.

PRIMARY TORNADO THREAT SHOULD EXIST ACROSS SWRN FL DURING THE NEXT
FEW HOURS.

OFFSHORE QLCS WEAKENED IN RADAR/SATELLITE/LIGHTNING IMAGERY AS IT
REACHED THE SWRN FL COAST DURING THE PAST HOUR. ACTIVITY HAS
ESSENTIALLY EVOLVED INTO A CLUSTER CENTERED NE OF FMY AND A BROKEN
LINE FROM SE OF APF THROUGH EYW TO WRN CUBA. DESPITE THE APPARENT
WEAKENING IN MESOSCALE ORGANIZATION...VERY LARGE LOW-LEVEL
HODOGRAPHS IN TBW/MIA VWP DATA CHARACTERIZED BY 0-1 KM SRH AOA 300
M2/S2 WILL REMAIN FAVORABLE FOR OCCASIONAL MESOCYCLONES AND
POTENTIALLY ISOLATED TORNADOES GIVEN PRESENCE OF MIDDLE TO UPPER 70S
SURFACE DEW POINTS.

..GRAMS.. 10/18/2011

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...MFL...MLB...KEY...TBW...

LAT...LON 26178055 24458082 24288120 24268164 25028178 25788184
26288231 26888232 27058238 27488219 27528159 27458124
27158069 26178055

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