Thursday, April 22, 2010

MESO: Mesoscale Discussion 0343

ACUS11 KWNS 230217
SWOMCD
SPC MCD 230217
TXZ000-230245-

MESOSCALE DISCUSSION 0343
NWS STORM PREDICTION CENTER NORMAN OK
0917 PM CDT THU APR 22 2010

AREAS AFFECTED...PART OF SW TX INTO THE WRN TX HILL COUNTRY

CONCERNING...SEVERE POTENTIAL...WATCH LIKELY

VALID 230217Z - 230245Z

ENVIRONMENTAL CONDITIONS HAVE BECOME FAVORABLE FOR STRONG TO SEVERE
STORMS AND A WATCH ISSUANCE WILL LIKELY BE NEEDED FOR PART OF SW TX
INTO THE WRN TX HILL COUNTRY.

AT 02Z...REGIONAL RADARS INDICATED NEW TSTM DEVELOPMENT BETWEEN INK
AND MAF WHERE THE DRY LINE HAS RETREATED WWD AND WAS MERGING WITH A
SSEWD ADVANCING COLD FRONT. AIR MASS ALONG AND E OF THIS ACTIVITY
REMAINS MODERATELY UNSTABLE WITH EFFECTIVE BULK SHEAR IN EXCESS OF
50 KT. CONVERGENCE IN ENVIRONMENT IS SUPPORTIVE FOR ADDITIONAL
ACTIVITY TO DEVELOP AND SPREAD EWD OVERNIGHT WITH DEGREE OF
INSTABILITY/SHEAR SUPPORTING STRONG TO SEVERE STORMS.

..PETERS.. 04/23/2010

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

ATTN...WFO...EWX...SJT...MAF...

LAT...LON 29650234 30520309 32060285 32099997 31249908 29969954
29520047 29690132 29650234

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