SWOMCD
SPC MCD 102147
TXZ000-OKZ000-102245-
MESOSCALE DISCUSSION 2363
NWS STORM PREDICTION CENTER NORMAN OK
0347 PM CST MON NOV 10 2008
AREAS AFFECTED...PARTS OF CENTRAL/NW TX AND SW OK
CONCERNING...TORNADO WATCH 929...
VALID 102147Z - 102245Z
THE SEVERE WEATHER THREAT FOR TORNADO WATCH 929 CONTINUES.
ENVIRONMENT AND SEVERE PARAMETERS REMAIN FAVORABLE FOR ORGANIZED
STORMS AND ATTENDANT TORNADO THREAT ACROSS WW 929.
MID-AFTERNOON SURFACE ANALYSIS MAINTAINED A WARM FRONT EXTENDING
FROM SWRN LA NWWD TO S OF THE DALLAS-FORT WORTH METROPLEX AND THEN
THROUGH NW TX TO ERN TX PANHANDLE. A DRY LINE HAD MADE THE GREATEST
EWD PROGRESS INTO NW TX WHERE IT MERGED WITH THE AFOREMENTIONED WARM
FRONT...AND THEN TRAILED SSWWD THROUGH THE WRN EXTENT OF WW 929 TO
VAL VERDE COUNTY. REGIONAL RADARS INDICATED ROTATING STORMS OVER
EAST CENTRAL PART OF TORNADO WATCH AS THIS ACTIVITY MOVED NEWD IN
VICINITY OF WARM FRONT WHERE LOW LEVEL DIRECTIONAL SHEAR IS THE
GREATEST. ADDITIONAL STORMS WILL DEVELOP ACROSS SRN HALF OF THE
WATCH ALONG AND AHEAD OF ADVANCING DRY LINE AND WITHIN LOW LEVEL
CONVERGENCE ZONE THAT EXTENDED NNWWD INTO SERN PART OF THE WATCH.
CLOUDS/PRECIPITATION LOCATED E/NE OF WARM FRONT WILL MAINTAIN A MORE
STABLE AIR MASS AND SHOULD INHIBIT SEVERE THREAT SPREADING E OF WW
929.
POTENTIAL FOR SURFACE BASED STORMS ACROSS NRN MOST PART OF
WW...GENERALLY N OF A LINE FROM JONES TO JACK COUNTIES...WILL
CONTINUE TO DIMINISH AS DRY LINE MOVES EWD AND EFFECTIVELY REDUCES
SIZE OF NRN EXTENT OF WARM SECTOR.
..PETERS.. 11/10/2008
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...FWD...OUN...EWX...SJT...
LAT...LON 30290017 31310007 32509924 33739916 34599915 34549811
33709734 32739696 31709725 29959838 30199935 30290017
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