Area Forecast Discussion
Issued by NWS Tulsa, OK

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000
FXUS64 KTSA 010440
AFDTSA

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
1140 PM CDT SUN MAY 31 2015

.AVIATION...
CONCERNING TAF SITES KTUL/KRVS/KBVO/KMLC/KXNA/KFYV/KFSM/KROG.
CEILINGS WILL LOWER OVERNIGHT WITH AREAS OF FOG DEVELOPING TOWARD
MORNING...ESPECIALLY ACROSS FAR NW AR WHERE PERIODIC IFR
CONDITIONS ARE POSSIBLE. FLIGHT CONDITIONS WILL GRADUALLY IMPROVE
AFTER SUNRISE...WITH VFR CONDITIONS EXPECTED AT ALL SITES DURING
THE AFTERNOON.

&&

.PREV DISCUSSION... /ISSUED 917 PM CDT SUN MAY 31 2015/

..UPDATE...

DISCUSSION...
UPPER LOW CONTINUES TO SLIDE SOUTHEAST INTO NORTH CENTRAL ARKANSAS
THIS EVENING PER LATEST WATER VAPOR IMAGERY. IN RESPONSE...MOSTLY
CLOUDY CONDITIONS REMAINED OVER NORTHWEST ARKANSAS...WHILE SKIES
BECAME MORE SCATTERED OVER EASTERN OKLAHOMA. OUT TO THE WEST A
DEVELOPING MCS OVER EASTERN COLORADO/WESTERN KANSAS WAS BEGINNING
TO PUSH SOUTHEAST TOWARD OKLAHOMA PANHANDLE.

OVERNIGHT TONIGHT...THE UPPER LOW WILL CONTINUE ITS SOUTHEASTWARD
PROGRESSION THROUGH CENTRAL ARKANSAS. THIS SHOULD KEEP MOSTLY
CLOUDY CONDITIONS OVER NORTHWEST ARKANSAS TONIGHT...WHILE SKIES TRY
TO CLOUD BACK OVER PARTS OF EASTERN OKLAHOMA. ALSO...AS THE MCS
MOVES SOUTHEAST INTO WESTERN OKLAHOMA...SOME RESULTING CLOUD COVER
COULD MAKE ITS WAY INTO EASTERN OKLAHOMA. HOWEVER...WITH THE
CURRENT SCATTERING OF CLOUD COVER AND EXPECTED LOW TEMPS IN THE
50S FORECAST TO REACH CLOSE TO THE DEWPOINT TEMP...WILL ADD PATCHY
FOG FOR LOCATIONS MAINLY ALONG AND NORTH OF I-40. SOME ISOLATED
AREAS OF FOG COULD BE POSSIBLE SOUTH OF I-40...THOUGH WILL LET THE
MID SHIFT RE EVALUATE AS CONDITIONS SET UP. EVENING UPDATE WILL
BE TO TWEAK THE TEMP/DEWPOINT/SKY GRIDS AND TO ADD PATCHY FOG
BASED ON THE MENTIONED ABOVE.

&&

.PRELIMINARY POINT TEMPS/POPS...
TUL   55  78  61  82 /  10   0   0  10
FSM   60  79  62  82 /  10  10   0  10
MLC   56  78  61  81 /  10  10   0  10
BVO   52  76  59  81 /  10   0   0  10
FYV   54  74  57  79 /  10  10  10  10
BYV   56  71  57  77 /  10  10  10  10
MKO   55  77  61  80 /  10   0   0  10
MIO   53  76  59  81 /  10  10  10  10
F10   56  76  62  81 /   0   0  10  10
HHW   60  79  62  81 /  10  10  10  10

&&

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

$$

AVIATION...07





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