000
FXUS64 KOUN 071123
AFDOUN

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NORMAN OK
525 AM CST SAT DEC 7 2013

.AVIATION... LITTLE CHANGE TO PREVIOUS FORECAST. CIGS WILL GRADUALLY
LOWER DURING THE DAY BECOMING MVFR BY LATE AFTN/EARLY EVENING WITH
MORE WIDESPREAD MVFR/IFR LATER TONIGHT. SOME LIGHT WINTRY PRECIP
POSSIBLE...ESP NORTH.

&&

.PREV DISCUSSION... /ISSUED 355 AM CST SAT DEC 7 2013/

.DISCUSSION...
VERY COLD AIRMASS REMAINS IN PLACE THIS MORNING WITH TEMPS FROM
THE SINGLE DIGITS TO THE LOWER TEENS ACROSS THE FA. TEMPS COULD
APPROACH RECORD LOWS AT OKC AND SPS...ESP IF WINDS CONTINUE TO
DIMINISH AND HIGH CLOUDS REMAIN TO THE SOUTH. ANOTHER COLD DAY ON
TAP FOR TODAY WITH COLD SURFACE RIDGE OVER THE AREA AND CLOUDS
INCREASING IN ADVANCE OF AN APPROACHING UPPER DISTURBANCE. SOME
LIGHT WINTRY PRECIP POSSIBLE BY THIS AFTERNOON ACROSS SRN AND
WESTERN AREAS AS ISENT LIFT DEVELOPS IN ADVNACE OF APPROACHING
SYSTEM. PRECIP CHANCES WILL THEN SPREAD NEWD OVERNIGHT AND
INCREASE WITH STRENGTHENING ISENT LIFT. PRECIP AMOUNTS ARE
EXPECTED TO REMAIN LIGHT WITH LIMITED MOISTURE AND SHORT DURATION
OF THE EVENT. MODEL SOUNDINGS INDICATED TEMP PROFILES MAINLY BELOW
FREEZING ALTHOUGH A WARM NOSE DOES BEGIN DEVELOPING IN SRN AREAS
OVERNIGHT. EXPECT PRECIP TYPE MAINLY LIGHT SNOW/SLEET ALTHOUGH
SOME FREEZING DRIZZLE MAY ALSO BE POSSIBLE. PRECIP THREAT SHOULD
END BY MIDDAY SUNDAY AS SYSTEM ZIPS OFF TO THE NE.

A REINFORCING SURGE OF COLD AIR EXPECTED TO PUSH SOUTHWARD
THROUGH THE REGION SUNDAY NIGHT. THIS WILL KEEP TEMPS WELL BELOW
NORMAL INTO THE EARLY PART OF THE WEEK. ANOTHER FAST MOVING
IMPULSE MOVES THROUGH MONDAY AFTERNOON/EVENING. GFS IS THE ONLY
MODEL SHOWING ANY PRECIP ATTM WITH THIS FEATURE AND WILL LEAVE DRY
FOR NOW...BUT THIS COULD RESULT IN ANOTHER QUICK SHOT OF LIGHT
SNOW...MAINLY IN NRN OK.

TEMPS SLOWLY MODERATE MID TO LATE WEEK AS UPPER PATTERN BEGINS TO
FLATTEN OUT A BIT. WILL CONTINUE WITH LOW POPS MAINLY EAST LATE IN
THE WEEK WITH SRN BRANCH S/W TROUGH APCHG.

&&

.PRELIMINARY POINT TEMPS/POPS...
OKLAHOMA CITY OK  21  19  31  15 /  10  40  10  10
HOBART OK         18  14  35  14 /  20  20  10   0
WICHITA FALLS TX  21  16  35  19 /  20  20  10  10
GAGE OK           22  12  34  10 /  20  30  10   0
PONCA CITY OK     25  18  29  13 /  10  50  10  10
DURANT OK         23  22  32  21 /  20  40  10  10

&&

.OUN WATCHES/WARNINGS/ADVISORIES...
OK...NONE.
TX...NONE.
&&

$$

26/02