[MCD] SWOMCD

Wed May 10 10:20:02 UTC 2006

ACUS11 KWNS 101018
SWOMCD
SPC MCD 101018 
OKZ000-TXZ000-101145-

MESOSCALE DISCUSSION 0822
NWS STORM PREDICTION CENTER NORMAN OK
0518 AM CDT WED MAY 10 2006

AREAS AFFECTED...EXTREME SRN OK AND EXTREME NRN PARTS OF NCNTRL TX

CONCERNING...SEVERE THUNDERSTORM POTENTIAL 

VALID 101018Z - 101145Z

A PERSISTENT TSTM LINE SEGMENT HAS BEEN PRODUCING 70+ MPH WIND GUSTS
ACROSS SRN TILLMAN COUNTY OK.  THIS CELL IS MOVING 275/53 AND WILL
BE MOVING INTO AREAS NEAR/S OF KADM BY 1115-1130Z AND LAKE TEXHOMA
BY 1230Z...ALSO POSSIBLY AFFECTING THE NRN TIER OF TX COUNTIES ALONG
THE RED RIVER. 

SFC ANALYSIS PLACES AN OUTFLOW BOUNDARY ARCING FROM MCCURTAIN COUNTY
OK SWWD THROUGH THE NRN PARTS OF THE DFW METROPLEX.  THE COLD DOME
IS SUFFICIENTLY SHALLOW TO ALLOW STRONG DOWNDRAFTS TO MAKE IT TO THE
SFC.  BUT...THE COLDER AIR IS LIKELY DEEPER ACROSS AREAS EAST OF
I-35 INTO SERN OK WHERE SIGNIFICANT TSTMS FORMED DURING TUE EVENING.
 AS SUCH...THE DAMAGING WIND THREAT MAY BE REDUCED BY THE TIME THE
CELL REACHES THE ATOKA AREA LATER THIS MORNING.  THE LARGE HAIL
THREAT WILL LIKELY CONTINUE...HOWEVER ...GIVEN STEEP H5-H7 LAPSE
RATES.

THE LINE SEGMENT WILL PROBABLY NOT DEVELOP FARTHER S INTO NCNTRL TX
OWING TO STRONGER CAP.

..RACY.. 05/10/2006

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

ATTN...WFO...TSA...FWD...OUN...

34509863 34549523 34119536 33669598 33619700 34059845 

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