Area Forecast Discussion
Issued by NWS Oklahoma City, OK

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FXUS64 KOUN 201747 AAA
AFDOUN

AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE NORMAN OK
1147 AM CST SAT DEC 20 2014

.AVIATION...
20/18Z TAFS...PRIMARILY IFR/MVFR FORECAST ALTHOUGH SOME TEMPORARY
VFR CONDITIONS POSSIBLE ACROSS FAR NORTHERN/WESTER OKLAHOMA
TERMINALS THIS AFTERNOON. MOISTURE TRANSPORT BENEATH STEEP
INVERSION WILL CONTINUE INTO AND THROUGH MOST OF SUNDAY. IFR/LIFR
CONDITIONS WILL BE FORECAST MAINLY WESTERN OKLAHOMA TOWARD AND AFTER
06Z. WITH INCREASED LIFT OVERNIGHT AREAS OF LIGHT SHOWERS OR
DRIZZLE WILL BE POSSIBLE AS WELL.

&&

.PREV DISCUSSION... /ISSUED 531 AM CST SAT DEC 20 2014/

AVIATION...
MVFR CEILINGS WILL COVER MOST OF CENTRAL AND WESTERN OKLAHOMA
UNTIL 211200. MOISTURE WILL FURTHER INCREASE AND CAUSE LOW
VISIBILITY IN FOG AND DRIZZLE TONIGHT AND EARLY SUNDAY MORNING.

PREV DISCUSSION... /ISSUED 329 AM CST SAT DEC 20 2014/

DISCUSSION...
LOW LEVEL MOISTURE WILL REMAIN IN PLACE OVER MUCH OF CENTRAL AND
WESTERN OKLAHOMA THROUGH SUNDAY. VISIBILITY IN FOG THIS MORNING IS
EXPECTED TO REMAIN ABOVE 1 MILE IN MOST PLACES, BUT LOW CLOUDS
WILL STAY IN PLACE IN ALL BUT NORTHWEST OKLAHOMA. WINDS TODAY ARE
TURNING TO THE SOUTH WHERE SURFACE MOISTURE IS HIGHER. THIS
SURFACE-BASED MOISTURE ADVECTION IS EXPECTED TO BRING WIDESPREAD
FOG TONIGHT AND SUNDAY MORNING. THERE MAY BE SOME AREAS OF DENSE
FOG EARLY SUNDAY AND SOME AREAS WILL EXPERIENCE DRIZZLE. A
SUBSTANTIAL CHANGE ARRIVES MONDAY WITH A FRONT FROM THE NORTH
WHICH WILL BRING A DRIER AND WARMER AIRMASS. SUNSHINE AND THE LACK
OF AN IMMEDIATE COLD AIRMASS BEHIND THE FRONT IS EXPECTED INTO THE
MIDDLE 50S AND MIDDLE 60S FROM NORTH CENTRAL TO SOUTHWEST OKLAHOMA
MONDAY AFTERNOON. ONLY LOW CHANCES FOR RAIN, MAINLY EAST OF
OKLAHOMA CITY, ARE EXPECTED WITH THE FRONTAL PASSAGE. COOLER DRIER
WEATHER WILL BE IN PLACE TUESDAY BEHIND THE FRONT AND UPPER TROUGH
PASSAGE WHEN A MODEST WARMING TREND BEGINS AND LAST INTO THURSDAY.
A COLD FRONT LATER THURSDAY WILL BRING SEASONABLE TEMPERATURES FOR
FRIDAY AND SATURDAY.

&&

.PRELIMINARY POINT TEMPS/POPS...
OKLAHOMA CITY OK  50  37  51  40 /   0  10  10  10
HOBART OK         49  37  52  37 /   0  10  10  10
WICHITA FALLS TX  51  38  56  40 /   0  10  10  10
GAGE OK           51  33  53  34 /   0  10  10  10
PONCA CITY OK     49  35  50  40 /   0  10  10  20
DURANT OK         50  38  52  42 /  10  10  10  10

&&

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

$$

10/99/11



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