[MCD] SWOMCD

[MCD at goshenarc.org]

ACUS11 KWNS 200051
SWOMCD
SPC MCD 200050 
TXZ000-200145-

MESOSCALE DISCUSSION 0602
NWS STORM PREDICTION CENTER NORMAN OK
0750 PM CDT TUE APR 19 2005

AREAS AFFECTED...PORTIONS RIO GRANDE VALLEY REGION OF S TX

CONCERNING...SEVERE THUNDERSTORM WATCH 165...

VALID 200050Z - 200145Z

INITIAL SUPERCELL THAT HAD FORMED IN MEX MOUNTAINS SW DRT WAS KILLED
BY OUTFLOW FROM SEPARATE LEFT-MOVER TO ITS SE. ISOLATED TSTMS THAT
EVOLVED FROM THAT PROCESS ARE CROSSING RIO GRANDE INTO SRN MAVERICK
COUNTY...BUT MOVING INTO DIABATICALLY COOLING BOUNDARY LAYER WHERE
SBCAPE IS DECREASING.  OTHER CONVECTION THAT HAD FORMED IN SFC MOIST
AXIS -- OVER HIGH TERRAIN W OF RIO GRANDE -- APPEARS TO BE
DIMINISHING AS WELL.  IF PRESENT CONVECTIVE TRENDS CONTINUE...AND
WITHOUT DEEP/SUSTAINED DEVELOPMENT IN ANOTHER HOUR OR SO...WW WILL
BE CANCELED.

..EDWARDS.. 04/20/2005

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

ATTN...WFO...CRP...EWX...BRO...

27329865 27300027 30150137 30169967 

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