Monday, November 7, 2011

MESO: Mesoscale Discussion 2287

ACUS11 KWNS 071352
SWOMCD
SPC MCD 071352
OKZ000-TXZ000-071515-

MESOSCALE DISCUSSION 2287
NWS STORM PREDICTION CENTER NORMAN OK
0752 AM CST MON NOV 07 2011

AREAS AFFECTED...PARTS OF THE TEXAS PANHANDLE INTO WRN OK

CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY

VALID 071352Z - 071515Z

WITH THE PRIMARY UPPER IMPULSE JUST NOW TURNING EASTWARD THROUGH
INTO THE SOUTHERN PLATEAU...LOWER/MID TROPOSPHERIC WARM ADVECTION
BENEATH DIFLUENT AND DIVERGENT UPPER FLOW APPEARS LIKELY TO REMAIN
FOCUSED ACROSS THE TEXAS PANHANDLE AND WESTERN OKLAHOMA THROUGH AT
LEAST MID DAY. MOISTURE RETURN FROM THE LOWER RIO GRANDE VALLEY AND
SOUTHERN PLAINS HAS CONTRIBUTED TO SUFFICIENTLY LARGE CAPE TO
SUPPORT INCREASINGLY VIGOROUS STORM DEVELOPMENT...IN THE PRESENCE OF
STRONG SHEAR BENEATH 40-50 KT SOUTHWESTERLY 500 MB FLOW. THIS
ENVIRONMENT MAY BE CONDUCIVE TO STORMS CAPABLE OF PRODUCING HAIL
...SOME OF WHICH COULD OCCASIONALLY APPROACH OR EXCEED SEVERE
LIMITS. BUT THE OVERALL SEVERE THREAT APPEARS LIMITED AS ACTIVITY
REMAINS BASED ABOVE A SIGNIFICANTLY COOL AND STABLE SURFACE BASED
AIR MASS.

..KERR.. 11/07/2011

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

ATTN...WFO...TSA...OUN...LUB...AMA...

LAT...LON 35580245 36520192 36869926 36829821 36719698 36299700
35749741 35069864 34020009 34390137 35580245

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