Area Forecast Discussion
Issued by NWS Oklahoma City, OK

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FXUS64 KOUN 180121 AAA
AFDOUN

AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE NORMAN OK
721 PM CST WED DEC 17 2014

.UPDATE...
THE RAIN HAS MOVED OUT OF MUCH OF THE FA EARLY THIS EVENING.
ADDITIONAL PRECIP IN THE PANHANDLES WILL MOVE INTO AND AFFECT
NORTHERN PARTS OF THE FA THIS EVENING WITH WINTRY MIX POSSIBLE IN
FAR NORTHERN OK. THE WINTER PRECIP IS STILL NOT EXPECTED TO HAVE A
MAJOR IMPACT. OTHERWISE... DRIZZLE AND PATCHY FOG WILL BE THE MAIN
FACTORS THIS EVENING. PRECIP CHANCES WILL CONT TO LOWER OVERNIGHT.
ADJUSTED POPS TO SHOW THE QUICKER ENDING OF PRECIP IN SOME AREAS
AND ADDED DRIZZLE/PATCHY FOG WORDING TO WX GRIDS. UPDATES OUT
SOON.

&&

.PREV DISCUSSION... /ISSUED 538 PM CST WED DEC 17 2014/

AVIATION...
VISIBILITIES AND CEILINGS WILL CONTINUE TO DETERIORATE THROUGH THE
NIGHT. SITES COULD APPROACH 100 FT CEILINGS AND 1/2 SM
VISIBILITIES TOWARD EARLY MORNING...HOWEVER...CONFIDENCE IS NOT
HIGH ENOUGH TO MENTION THESE VLIFR CONDITIONS IN THE TAFS.
CONDITIONS SHOULD BEGIN TO IMPROVE LATE MORNING TO EARLY AFTERNOON
TOMORROW. WINDS WILL REMAIN LIGHT...SHIFTING FROM SOUTHEASTERLY TO
NORTHEASTERLY THROUGH THE TAF PERIOD.

PREV DISCUSSION... /ISSUED 349 PM CST WED DEC 17 2014/

DISCUSSION...
THE FIRST UPPER WAVE WILL MOVE INTO THE CENTRAL PLAINS TONIGHT.
SOUTHEASTERLY/SOUTHERLY LOW LEVEL WINDS WILL KEEP SOME DEGREE OF
POSITIVE TEMPERATURE AND MOISTURE ADVECTION IN THE LOW LEVELS
WHICH SHOULD KEEP THE TEMPERATURE PROFILE WARM ENOUGH FOR LIQUID
RAIN THROUGH THE NIGHT... ALTHOUGH SOME OF THE FORECAST SOUNDINGS
HAVE TEMPS CLOSER TO 0 DEGREES C IN LOW LEVELS NORTH. WITH THE
TEMPERATURES THIS CLOSE TO ZERO... MAY SEE A LITTLE MIX OF SLEET
OR LIGHT SNOW IN THE FAR NORTH OVERNIGHT... BUT EXPECT RAIN TO BE
THE DOMINANT PRECIPITATION TYPE. WE MAY ALSO STILL SEE SOME SLEET
FARTHER SOUTH THE REMAINDER OF THE AFTERNOON AND EARLY THIS
EVENING FARTHER SOUTH WITH THE MORE CONVECTIVE ELEMENTS IN THE
PRECIP AREA... BUT MOST OF THE CONVECTIVE ELEMENTS ARE EXPECTED
TO MOVE EAST OUT OF THE AREA BY EARLY EVENING SO WILL NOT MENTION
SLEET IN THE ZONES EXCEPT IN THE FAR NORTH.

THE NEXT WAVE MOVES THROUGH THE PLAINS FRIDAY. A SURFACE BOUNDARY
DEVELOPING NEAR THE TEXAS GULF COAST WILL KEEP LOW-LEVEL
CONVERGENCE FOCUSED WELL TO OUR SOUTH ALONG WITH THE MOST
WIDESPREAD PRECIPITATION. BUT WITH MOST OF THE PRECIPITATION
DURING THE DAY FRIDAY...STILL EXPECT TEMPERATURES TO BE WARM
ENOUGH FOR LIQUID PRECIPITATION AS WELL.

&&

.PRELIMINARY POINT TEMPS/POPS...
OKLAHOMA CITY OK  37  47  37  44 /  20  20  20  20
HOBART OK         37  47  36  45 /  10  10  20  20
WICHITA FALLS TX  40  53  40  49 /  10  10  30  40
GAGE OK           33  42  31  45 /  40  20  10  10
PONCA CITY OK     33  41  34  42 /  60  30  20  20
DURANT OK         39  51  42  49 /  60  20  30  50

&&

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

$$

25/17


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