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ACUS11 KWNS 060807
SWOMCD
SPC MCD 060806
ARZ000-OKZ000-TXZ000-061200-

MESOSCALE DISCUSSION 2062
NWS STORM PREDICTION CENTER NORMAN OK
0206 AM CST FRI DEC 06 2013

AREAS AFFECTED...HILL COUNTRY OF CNTRL TX TO NRN AR

CONCERNING...WINTER MIXED PRECIPITATION

VALID 060806Z - 061200Z

SUMMARY...HEAVY ICING CAN BE EXPECTED ALONG A CORRIDOR FROM THE NRN
HILL COUNTRY OF TX ACROSS SERN OK INTO NRN AR. FREEZING RAIN RATES
MAY APPROACH ONE TENTH OF AN INCH PER HOUR.  A TRANSITION TO HEAVY
SLEET WILL BE NOTED ALONG THE WRN-NRN PERIPHERY OF THIS ZONE.

DISCUSSION...PRECIPITATION SHIELD APPEARS TO BE EXPANDING AND
INCREASING IN INTENSITY ALONG A CORRIDOR FROM THE NRN HILL COUNTRY
OF TX INTO SERN OK.  THUNDERSTORMS HAVE RECENTLY INCREASED ACROSS
SAN SABA AND MILLS COUNTIES AND THIS ACTIVITY MAY EVENTUALLY SPREAD
INTO THE FAR SERN PORTIONS OF THE METROPLEX OVER THE NEXT SEVERAL
HOURS.

FARTHER NORTH...A BROADENING ZONE OF MODERATE FREEZING RAIN/SLEET IS
SPREADING ACROSS THE RED RIVER INTO SERN OK/NWRN AR.  RATES ARE
LIKELY EXCEEDING ONE TENTH OF AN INCH PER HOUR ATOP A REGION THAT
HAS ALREADY EXPERIENCED HEAVY ICING...UPWARDS OF ONE INCH FREEZING
RAIN.  LARGE SCALE ASCENT AHEAD OF UPPER TROUGH WILL REMAIN FOCUSED
ALONG THIS CORRIDOR THROUGH SUNRISE AND THE SFC FREEZING LINE WILL
ONLY GRADUALLY SAG SWD...PRIMARILY ACROSS CNTRL TX.

..DARROW.. 12/06/2013

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

ATTN...WFO...LZK...SHV...TSA...FWD...OUN...EWX...SJT...

LAT...LON   31749922 32429846 33299767 33719731 34519637 35579476
            35929398 36129322 36199224 35749190 35459224 35349313
            34579376 34239463 33429551 32169666 31409773 30899868
            31099919 31749922

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