SWOMCD
SPC MCD 082309
ARZ000-LAZ000-TXZ000-090015-
MESOSCALE DISCUSSION 2306
NWS STORM PREDICTION CENTER NORMAN OK
0509 PM CST TUE NOV 08 2011
AREAS AFFECTED...SERN TX...WRN LA AND SRN THROUGH ERN AR
CONCERNING...SEVERE POTENTIAL...WATCH LIKELY
VALID 082309Z - 090015Z
THREAT FOR ISOLATED TORNADOES IS EXPECTED TO PERSIST INTO THE MID
EVENING FROM SERN TX THROUGH WRN AND CNTRL LA INTO SRN AND ERN AR. A
NEW WW WILL LIKELY BE ISSUED SOON. THE NEW WW WILL REPLACE SERN
PARTS OF WW 875 AND ERN PORTION OF WW 876...BUT REMAINING PORTION OF
875 AND 876 WILL REMAIN IN EFFECT UNTIL EXPIRATION OR CANCELLATION.
THE ATMOSPHERE REMAINS MARGINALLY TO MODERATELY UNSTABLE IN WARM
SECTOR AHEAD OF COLD FRONT FROM SERN TX THROUGH LA AND SRN AR WHERE
SEVERAL SUPERCELLS AND LINE SEGMENTS PERSIST. AS THE SHORTWAVE
TROUGH EJECTS NEWD TOWARD THE MID MS VALLEY...VERTICAL SHEAR AND LOW
LEVEL HODOGRAPHS WILL REMAIN SUPPORTIVE OF SUPERCELLS AND BOWING
SEGMENTS AT LEAST UNTIL LATE EVENING WHEN INSTABILITY SHOULD BECOME
INCREASINGLY MARGINAL.
..DIAL.. 11/08/2011
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...JAN...LZK...LCH...SHV...HGX...
LAT...LON 31549444 32779391 34699299 34479187 32739194 30569212
29999319 29979468 31549444
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