[MCD] SWOMCD

[MCD at goshenarc.org]

ACUS11 KWNS 011231
SWOMCD
SPC MCD 011231 
OKZ000-011330-

MESOSCALE DISCUSSION 1571
NWS STORM PREDICTION CENTER NORMAN OK
0731 AM CDT FRI JUL 01 2005

AREAS AFFECTED...PARTS OF CENTRAL INTO ERN AND SERN OK

CONCERNING...SEVERE THUNDERSTORM WATCH 571...

VALID 011231Z - 011330Z

DAMAGING WINDS REMAIN POSSIBLE WITH LINE OF STORMS MOVING SEWD
ACROSS CENTRAL INTO ERN/SERN OK THIS MORNING.

AT 1225Z...REGIONAL RADARS SHOWED A LINE OF STORMS ORIENTED IN A BOW
STRUCTURE...EXTENDING FROM CREEK TO SEMINOLE COUNTIES AND THEN SWWD
TO GARVIN COUNTY.  THE STRONGEST STORM ALONG THIS LINE WAS LOCATED
AT THE APEX OVER POTTAWATOMIE INTO PONTOTOC COUNTIES WITH A SEWD
MOVEMENT AT JUST OVER 35 KT.  OKC VWP DATA SHOWED A 40 KT REAR
INFLOW JET WITH THE APEX OF THE LINE...WHEN THIS LINE OF STORMS
MOVED ACROSS NRN CLEVELAND COUNTY. 

MESO-ANALYSIS SHOWED A WNW-ESE OUTFLOW BOUNDARY EXTENDING FROM NEAR
POTTAWATOMIE COUNTY SEWD TO S OF MLC AND INTO WEST CENTRAL/SWRN
AR...AND MOVING SWD.  AIR MASS DOWNSTREAM OVER ERN/SERN OK...EAST OF
THE BOW SEGMENT...REMAINED MODERATELY UNSTABLE WITH THE INSTABILITY
GRADIENT EXTENDING ALONG/S OF THE WNW-ESE SURFACE BOUNDARY TO THE
ARKLATEX REGION.  ALTHOUGH THIS BOW ECHO IS LIKELY SLIGHTLY
ELEVATED...SURFACE HEATING EXPECTED ACROSS SERN OK...PER MAINLY
CLEAR SKIES ON VIS IMAGERY...INDICATING THE POTENTIAL FOR AN
INCREASED WIND THREAT BY MID MORNING.

..PETERS.. 07/01/2005

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

ATTN...WFO...SHV...TSA...OUN...

34599759 35249711 36209696 35649450 33869451 

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