SWOMCD
SPC MCD 090159
TXZ000-090300-
MESOSCALE DISCUSSION 0071
NWS STORM PREDICTION CENTER NORMAN OK
0759 PM CST SUN FEB 08 2009
AREAS AFFECTED...WRN TX
CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE
VALID 090159Z - 090300Z
SQUALL LINE WILL APPROACH THE ERN EDGE OF WW 6 BY 03Z. THESE STORMS
ALONG WITH A THREAT OF ISOLATED DAMAGING WIND GUSTS IS EXPECTED TO
PERSIST BEYOND 03Z. WW 06 MIGHT NEED TO BE LOCALLY EXTENDED FOR AMA
AND LBB AREAS TO COVER THIS THREAT.
DESPITE THE VERY MARGINAL THERMODYNAMIC ENVIRONMENT WITH WEAK
INSTABILITY AND STRONG CAPPING IN WARM SECTOR...STRONG FORCING
ATTENDING THE EJECTING UPPER TROUGH AND ITS ASSOCIATED LOW LEVEL JET
AS WELL AS THE DEVELOPMENT OF A COLD POOL WILL HELP MAINTAIN A
FORWARD PROPAGATING LINEAR MCS THIS EVENING. THE THREAT OF ISOLATED
DAMAGING WIND GUSTS MAY PERSIST ACROSS WRN TX BEYOND THE CURRENT WW.
..DIAL.. 02/09/2009
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...SJT...LUB...AMA...MAF...
LAT...LON 32150135 34340152 35280137 35190064 33380044 32650058
32150135
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