[MCD] SWOMCD

Thu Apr 20 09:57:29 UTC 2006

ACUS11 KWNS 200955
SWOMCD
SPC MCD 200955 
TXZ000-201100-

MESOSCALE DISCUSSION 0577
NWS STORM PREDICTION CENTER NORMAN OK
0455 AM CDT THU APR 20 2006

AREAS AFFECTED...SWRN TX

CONCERNING...SEVERE THUNDERSTORM WATCH 217...

VALID 200955Z - 201100Z

LONE STORM REMAINS OVER SWRN TX JUST S OF DEL RIO. THIS STORM MAY
STILL BE CAPABLE OF PRODUCING HAIL. HOWEVER...IT IS EXPECTED TO
GRADUALLY DIMINISH...AND ADDITIONAL DEVELOPMENT IS NOT ANTICIPATED.
WW 217 SHOULD BE ABLE TO BE CANCELLED ONCE THIS STORM DISSIPATES.

STORMS THAT DEVELOPED OVER THE HIGHER TERRAIN OF MEXICO HAVE MOSTLY
DISSIPATED AS THEY CROSSED INTO SWRN TX...MOST LIKELY AS A RESULT OF
ENCOUNTERING STRONGER CONVECTIVE INHIBITION. THE OBSERVED 00Z RAOB
FROM DEL RIO AND FORECAST RUC SOUNDING DATA SHOW AN INVERSION
ASSOCIATED WITH THE EML IN THE 850 MB TO 700 MB LAYER...AND
ADDITIONAL DEVELOPMENT IS NOT ANTICIPATED THROUGH THE EARLY MORNING.

..DIAL.. 04/20/2006

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

ATTN...WFO...EWX...

30139975 28369965 28450116 30000109 

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