[MCD] SWOMCD

Thu Apr 20 11:10:18 UTC 2006

ACUS11 KWNS 201106
SWOMCD
SPC MCD 201106 
ARZ000-201300-

MESOSCALE DISCUSSION 0578
NWS STORM PREDICTION CENTER NORMAN OK
0606 AM CDT THU APR 20 2006

AREAS AFFECTED...CNTRL AND SRN AR THROUGH NRN LA

CONCERNING...SEVERE THUNDERSTORM WATCH 216...

VALID 201106Z - 201300Z

THREAT FOR ISOLATED HAIL EXPECTED TO PERSIST MAINLY ACROSS PARTS OF
CNTRL AR NEXT COUPLE HOURS.

SKELETAL OUTFLOW BOUNDARY IS SHIFTING SEWD THROUGH NRN LA AND LATEST
OBJECTIVE ANALYSIS SHOWS STRONGER CAP IN THIS REGION...WHICH SHOULD
CONTINUE TO LIMIT DEVELOPMENT ALONG THIS PORTION OF THE BOUNDARY.
FARTHER N...ELEVATED STORMS ARE INCREASING IN COVERAGE WITHIN ZONE
OF ASCENT DOWNSTREAM FROM MCV THAT IS MOVING THROUGH NERN TX AND
SWRN AR. THE ATMOSPHERE IN THIS REGION REMAINS MODERATELY UNSTABLE
WITH STEEP MID LEVEL LAPSE RATES AND SHOULD CONTINUE TO SUPPORT A
THREAT FOR HAIL AS STORMS DEVELOP NEXT 2-3 HOURS.

..DIAL.. 04/20/2006

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

ATTN...WFO...LZK...SHV...

33829137 33769324 34999336 35209161 

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