464
FXUS64 KTSA 210528
AFDTSA
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
1128 PM CST FRI NOV 20 2009
AVIATION
CONCERNING TAF SITES KTUL/KRVS/KMLC/KXNA/KFYV/KFSM.
FOG AND LOW CEILINGS WILL BRING IFR CONDITIONS OR
WORSE TO TAF SITES KRVS...KTUL...KXNA AND KFYV
OVERNIGHT AND INTO SATURDAY MORNING AS THE AIRMASS
ACROSS THE REGION REMAINS MOISTURE LADEN. VFR
CONDITIONS ARE EXPECTED AT ALL AREA TAF SITES
BY SATURDAY AFTERNOON.
PREV DISCUSSION
/ISSUED 919 PM CST FRI NOV 20 2009/
.UPDATE
DISCUSSION...
RAIN HAS PRETTY MUCH MOVED SOUTHEAST OF THE FORECAST AREA AT THIS
TIME. HAVE LOWERED POPS FOR THE REMAINDER OF THE OVERNIGHT HOURS.
MENTION OF PATCHY FOG WAS ALREADY IN THE FORECAST FOR EARLY
SATURDAY MORNING... WITH THE THINKING THAT POSSIBLE CLEARING WOULD
CREATE CONDUCIVE CONDITIONS FOR FOG DEVELOPMENT. BELIEVE THAT MINIMAL
CLEARING WILL OCCUR OVERNIGHT. HOWEVER... VISIBILITIES HAVE
ALREADY BEGUN TO DIP... EVEN WITH THE LOW CLOUDINESS IN PLACE. HAVE
THEREFORE MENTIONED PATCHY FOG FOR THE REMAINDER OF THE NIGHT
ACROSS MUCH OF THE FORECAST AREA.
HAVE NOT MADE ANY CHANGES TO FORECAST MINIMUMS SINCE NOT MUCH
RANGE IN TEMPERATURES IS EXPECTED OVERNIGHT. UPDATED PRODUCTS HAVE
BEEN SENT.
TSA WATCHES/WARNINGS/ADVISORIES
OK...NONE.
AR...NONE.
AVIATION...10
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