AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
404 PM CST THU NOV 21 2013

.DISCUSSION...
MESSY FORECAST AT BEST. COLD FRONT CURRENTLY
SLICING THROUGH FORECAST AREA FROM CENTRAL
MISSOURI SOUTHWEST TO NORTH CENTRAL TEXAS.
FRONT WILL CLEAR EASTERN OK AND NORTHWEST AR
WELL BEFORE MIDNIGHT. SOUTHEAST OK AND WEST
CENTRAL AR WET OVERNIGHT.

AREAS...ESPECIALLY NORTH AND WEST INTERSTATE
44 PRESENT A FORECAST CHALLENGE. CHANCES FOR
MEASURABLE PRECIPITATION THAT AREA NEAR 50
PERCENT. SHOULD PRECIP FALL AFTER 07Z COULD
BE LIGHT FREEZING RAIN OR FREEZING DRIZZLE.
EXPECT SURFACE 32 DEGREE ISOTHERM TO BE +/-
15 MILES I-44 ABOUT 7AM. MOST ROAD SURFACES
LIKELY AT OR ABOVE FREEZING. HOWEVER BRIDGES
& OVERPASSES COULD GET SLICK IF IT PRECIPS.
CURRENT WINTER WEATHER ADVISORY MAINTAINED
AT THIS TIME... SUBJECT TO CHANGE/REFINEMENT
BY LATER SHIFTS.

A VERY COLD & WINDY DAY FRIDAY..TEMPS IN THE
30S EXCEPT FAR SOUTHEAST. WEATHER FOR FRIDAY
NIGHT FOOTBALL UNPLEASANT. COLD AIRMASS ALL
WEEKEND SETS THE STAGE FOR WINTRY PRECIP
LATE SUNDAY AND SUNDAY NIGHT AS WEST COAST
UPPER LOW MOVES INTO THE FOUR CORNERS REGION.

ECMWF AND GFS IN AGREEMENT MOVING THAT UPPER
LOW DIRECTLY OVER OKLAHOMA ON TUESDAY. WELL
BELOW NORMAL TEMPERATURES NEXT WEEK.

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