Wednesday, March 25, 2009

MESO: Mesoscale Discussion 0263

ACUS11 KWNS 252058
SWOMCD
SPC MCD 252057
TXZ000-252230-

MESOSCALE DISCUSSION 0263
NWS STORM PREDICTION CENTER NORMAN OK
0357 PM CDT WED MAR 25 2009

AREAS AFFECTED...THE EDWARDS PLATEAU/HILL COUNTRY INTO SERN TX

CONCERNING...TORNADO WATCH 63...

VALID 252057Z - 252230Z

THE SEVERE WEATHER THREAT FOR TORNADO WATCH 63 CONTINUES.

SEVERE/ISOLATED TORNADO THREAT CONTINUES ACROSS WRN PORTIONS OF WW.

SURFACE FRONT HAS BEGUN RETREATING ACROSS SOUTHEAST TX...WHILE A
DRYLINE SHIFTS EWD ACROSS WRN PORTIONS OF THE EDWARDS PLATEAU/MIDDLE
RIO GRANDE VALLEY. A FEW STORMS ARE ONGOING INVOF THE
DRYLINE...WITH THE STRONGEST CELL OVER ERN MASON COUNTY ATTM. THIS
STORM HAS INTENSIFIED RECENTLY...WITH A STRONG MESOCYCLONE NOW
INDICATED. ALONG WITH AN IMMEDIATE SEVERE/TORNADO THREAT WITH THIS
STORM...THREAT WILL CONTINUE TO INCREASE ENEWD AS THE FRONT
CONTINUES RETREATING AHEAD OF ADVANCING MID-LEVEL TROUGH.

ISOLATED STORMS HAVE BEGUN TO DEVELOP INVOF THE HIGHER TERRAIN ON
THE MEXICO SIDE OF THE RIVER...JUST S OF THE SWRN CORNER OF THE
WATCH. ADDITIONAL DEVELOPMENT COULD REQUIRE LOCAL EXTENSION OF WW
63.

..GOSS.. 03/25/2009

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

ATTN...WFO...HGX...FWD...EWX...SJT...

LAT...LON 29230076 29880053 30799916 31059717 31779545 30839469
30309537 29149893 29230076

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