[MCD] SWOMCD

[MCD at goshenarc.org]

ACUS11 KWNS 220059
SWOMCD
SPC MCD 220059 
TXZ000-220230-

MESOSCALE DISCUSSION 0639
NWS STORM PREDICTION CENTER NORMAN OK
0759 PM CDT THU APR 21 2005

AREAS AFFECTED...CENTRAL AND NORTH TX

CONCERNING...SEVERE THUNDERSTORM WATCH 179...

VALID 220059Z - 220230Z

WW 179 CONTINUES ACROSS CNTRL/NORTH TX.

TSTMS REMAIN PERIODICALLY SEVERE ALONG A NEAR ABILENE-SAN ANGELO
AXIS INVOF DRYLINE /IN ADDITION TO COLD FRONT OVERTAKING NORTH TX/.
CONTINUAL THREAT FOR MAINLY LARGE HAIL WILL REMAIN OVER THE NEXT
SEVERAL HOURS. ACROSS CNTRL TX...GIVEN RELATIVELY WEAK
SHEAR...STORMS WILL LIKELY CONTINUE TO CONGLOMERATE ACROSS THE HILL
COUNTY. POTENTIAL EXISTS FOR COLD POOL ORGANIZATION AND A GRADUAL 
SEWD PROPAGATION OFF THE DRYLINE...AMIDST WEAK SELY INFLOW AND
UNSTABLE AIRMASS AS SEEN IN 00Z DRT RAOB. FURTHER NORTH...TSTMS
CURRENTLY WANING INVOF MINERAL WELLS. THIS IS LIKELY ARTIFACT OF
CINH/850 WARM LAYER SEEN IN 00Z DFW RAOB..SUGGESTING ADDITIONAL
STORM DEVELOPMENT ACROSS NORTH TX MAY BE DOUBTFUL.

..GUYER.. 04/22/2005

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

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

30420137 31070114 33329828 33529684 32509743 31439866
30639939 30210050 

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