Area Forecast Discussion
Issued by NWS Tulsa, OK

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000
FXUS64 KTSA 180542
AFDTSA

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
1142 PM CST WED DEC 17 2014

.AVIATION...
CONCERNING TAF SITES KTUL/KRVS/KBVO/KMLC/KXNA/KFYV/KFSM/KROG.
LIFR TO IFR CONDITIONS ARE EXPECTED TO SPREAD ACROSS EASTERN
OKLAHOMA AND NORTHWEST ARKANSAS FROM WEST TO EAST OVERNIGHT
TONIGHT. AREAS OF LIGHT DRIZZLE WILL BE POSSIBLE DURING THE NIGHT
INTO THURSDAY MORNING AHEAD OF A BOUNDARY EXPECTED TO MOVE THROUGH
THE REGION THURSDAY AFTERNOON. A WINTRY MIX WITHIN THE LIGHT
DRIZZLE COULD ALSO BE POSSIBLE ACROSS PARTS OF NORTHEAST OKLAHOMA
INTO NORTHWEST ARKANSAS. WILL CARRY A MENTION FOR BVO EARLY
THURSDAY MORNING. BEHIND THE BOUNDARY THURSDAY
AFTERNOON...CEILINGS LIFTING TO MVFR LOOK POSSIBLE BEFORE FALLING
BACK TO IFR TOWARD THE END OF THE TAF PERIOD.


&&

.PREV DISCUSSION... /ISSUED 857 PM CST WED DEC 17 2014/

DISCUSSION...
TRENDS FROM EARLIER FORECAST UPDATE STILL LOOKING REASONABLE AS
WIDESPREAD AREA OF PRECIP CONTINUES TO SHIFT OFF TO THE EAST AS
MID/HIGH LEVEL DRY INTRUSION PUSHES INTO THE REGION. ADJUSTED
PRECIP TYPE FORECASTS EARLIER AND CONTINUED SOME MENTION OF MIXED
PRECIP INTO THURSDAY MORNING FAR NRN OK AND NWRN AR. LIGHT
ACCUMULATIONS WERE ADDED FOR FAR NRN OK AND HIGHER ELEVATIONS IN
NWRN AR. WRAP AROUND PRECIP AREA EXPECTED TO REDEVELOP INTO SRN KS
AND OSAGE...WASHINGTON...AND NOWATA COUNTIES WHERE ADDITIONAL
LIGHT SNOW ACCUMULATION POSSIBLE WITH TEMPS NEAR FREEZING.
DRIZZLE...AND LIGHT FREEZING DRIZZLE WHERE TEMPS ARE
SUPPORTIVE...SHOULD DEVELOP LATER TONIGHT. FORECAST PRODUCTS
ALREADY SENT.

&&

.PRELIMINARY POINT TEMPS/POPS...
TUL   34  44  37  44 /  50  20  20  20
FSM   35  48  43  44 /  70  20  20  30
MLC   37  48  41  46 /  50  20  20  30
BVO   32  41  35  42 /  60  30  20  20
FYV   32  44  38  43 /  60  30  20  20
BYV   32  41  36  40 /  70  30  20  20
MKO   35  44  39  45 /  50  20  20  20
MIO   32  40  35  41 /  60  30  20  20
F10   36  45  39  45 /  50  20  20  20
HHW   36  50  44  48 /  60  20  30  60

&&

.TSA WATCHES/WARNINGS/ADVISORIES...
OK...NONE.
AR...NONE.
&&

$$

AVIATION...20





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