MESO: Mesoscale Discussion 0388

ACUS11 KWNS 101837
SWOMCD
SPC MCD 101837
TXZ000-101930-

MESOSCALE DISCUSSION 0388
NWS STORM PREDICTION CENTER NORMAN OK
0137 PM CDT MON MAR 10 2008

AREAS AFFECTED...TX COASTAL PLAIN

CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY

VALID 101837Z - 101930Z

THREAT FOR ISOLATED DAMAGING WIND GUSTS WILL SPREAD SOUTHEASTWARD
TOWARD THE MIDDLE/LOWER TX COASTAL PLAIN OVER THE NEXT FEW HOURS. A
WATCH IS NOT EXPECTED.

STRONG/ISOLATED SEVERE CONVECTIVE LINE CONTINUES TO SPREAD
EAST-SOUTHEASTWARD TOWARD THE TX COASTAL PLAIN EARLY THIS
AFTERNOON...ROUGHLY FROM NEAR GALVESTON TO PALACIOS TO AROUND 25W
CORPUS CHRISTI AS OF 1830Z. AS COMPOSITE OUTFLOW/PROPAGATION
CONTINUES TO DRIVE THE CONVECTIVE LINE EAST-SOUTHEASTWARD OVER THE
NEXT FEW HOURS...THE POTENTIAL WILL EXIST FOR ISOLATED DAMAGING WIND
GUSTS ACROSS THE MIDDLE TX COASTAL PLAIN/I-37 CORRIDOR AND CORPUS
CHRISTI VICINITY. A 50 KT GUST WAS RECENTLY MEASURED AT PALACIOS AS
OF 1755Z. A RELATIVELY WARM/WELL MIXED AIRMASS EXISTS AHEAD OF THE
CONVECTIVE LINE...WITH MLCAPE ON THE ORDER OF 500 J/KG AND STEEP LOW
LEVEL RATES FAVORABLE FOR STRONG DOWNDRAFTS/POTENTIALLY SEVERE WIND
GUSTS. EXPECTED ISOLATED/SHORT DURATION NATURE OF THE THREAT WILL
LIKELY PRECLUDE A WATCH ISSUANCE.

.GUYER.. 03/10/2008

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

ATTN...WFO...HGX...CRP...BRO...

26739733 27149847 27779793 28329699 28559591 27689694

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