[MCD] SWOMCD

Thu Jul 20 03:33:25 UTC 2006

ACUS11 KWNS 200332
SWOMCD
SPC MCD 200331 
LAZ000-ARZ000-TXZ000-200500-

MESOSCALE DISCUSSION 1574
NWS STORM PREDICTION CENTER NORMAN OK
1031 PM CDT WED JUL 19 2006

AREAS AFFECTED...ERN TX/WRN LA

CONCERNING...SEVERE THUNDERSTORM WATCH 621...

VALID 200331Z - 200500Z

...SVR THREAT APPEARS TO BE DIMINISHING...

LATEST RADAR LOOPS SHOW SEVERAL OUTFLOW BOUNDARIES WHICH EXTEND
ROUGHLY FROM TXK TO LFK. STRONG/SEVERE WIND GUSTS APPEAR TO BE THE
MAIN THREAT WITH LINGERING STORMS. HOWEVER...OVERALL WIND THREAT
SEEMS TO BE DIMINISHING AS OUTFLOW BOUNDARIES HAVE OUTRUN THE MAIN
CONVECTION. MEASURED WIND GUSTS TO AROUND 38KT WERE OBSERVED AS THE
STORMS MOVED OVER THE SHV AREA AROUND 02Z. INSTABILITY GRADUALLY
DECREASES ACROSS E TX...BUT ELY WAVE NOTED IN WATER VAPOR IS
INCREASING THE DEEP LAYER SHEAR TO AROUND 40-50KT...AS SAMPLED IN
SHREVEPORT VAD WIND DATA. ALTHOUGH STORMS MAY CONTINUE FOR SEVERAL
HOURS...SEVERE THREAT SEEMS TO BE WANING.

..TAYLOR.. 07/20/2006

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

ATTN...WFO...LIX...LCH...SHV...HGX...FWD...

30199153 30049427 30879595 32099586 33019546 33279501
33229354 31979282 

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