MESO: Mesoscale Discussion 2045

ACUS11 KWNS 262304
SWOMCD
SPC MCD 262304
FLZ000-GAZ000-270030-

MESOSCALE DISCUSSION 2045
NWS STORM PREDICTION CENTER NORMAN OK
0504 PM CST TUE NOV 26 2013

AREAS AFFECTED...NRN TO W-CNTRL FL

CONCERNING...TORNADO WATCH 576...

VALID 262304Z - 270030Z

THE SEVERE WEATHER THREAT FOR TORNADO WATCH 576 CONTINUES.

SUMMARY...SLIGHT RISK FOR DAMAGING WINDS AND TORNADOES MAY PERSIST
FOR THE NEXT SEVERAL HOURS AS STRATIFORM RAIN SWATH WITH EMBEDDED
STORMS GRADUALLY SHIFTS EWD FROM THE ERN FL PANHANDLE AND THE NERN
GULF.

DISCUSSION...LIGHTNING PRODUCTION HAS BEEN MOST PROLIFIC OVER THE
NERN GULF WITH NUMEROUS CELLULAR ELEMENTS EMBEDDED WITHIN AN
EXTENSIVE PRECIPITATION SWATH. NEVERTHELESS...ROTATION TRACKS IN
WDSS-II DATA VIA KTBW HAVE BEEN ABSENT IN MUCH OF THIS CONVECTION.
THIS LIKELY IS A RESULT OF SHORTENING LOW-LEVEL HODOGRAPHS AS FLOW
HAS BECOME INCREASINGLY VEERED AND WEAKER RELATIVE TO FARTHER NE
ACROSS THE S ATLANTIC COAST. ACARS DATA INVOF KPIE/KMCO ARE MODESTLY
BUOYANT WITHIN A MARGINAL LAPSE RATE ENVIRONMENT AMIDST UPPER 60S TO
LOWER 70S SURFACE DEW POINTS. AS THE WRN GULF COAST SHORTWAVE TROUGH
ACCELERATES EWD TONIGHT WITH ATTENDANT INCREASES IN HIGHER-LEVEL
FLOW...AN UPTICK IN LINEAR ORGANIZATION IS POSSIBLE AS CONVECTION
REACHES THE WRN FL COAST. PRIMARY HAZARD SHOULD BE ISOLATED DAMAGING
WINDS...WITH A BRIEF TORNADO OR TWO POSSIBLE.

..GRAMS.. 11/26/2013

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

ATTN...WFO...MLB...TBW...JAX...TAE...

LAT...LON 29018330 29998345 30528319 30628293 30528241 30288208
29198190 27348160 27208236 27308289 29018330

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