FXUS64 KTSA 262304
AFDTSA
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
504 PM CST THU NOV 26 2009
.AVIATION...
CONCERNING TAF SITES KTUL/KRVS/KMLC/KXNA/KFYV/KFSM.
FOR THE 0Z TAFS... VFR CONDITIONS WILL PREVAIL THROUGHOUT THE
ENTIRE FORECAST PERIOD. CLEAR SKIES AND LIGHT SURFACE WINDS ARE
EXPECTED AREAWIDE.
&&
.PREV DISCUSSION... /ISSUED 236 PM CST THU NOV 26 2009/
DISCUSSION...
WINDS WILL SHIFT SOUTHWEST TONIGHT AS SURFACE HIGH PRESSURE
MOVES OFF TO THE EAST. ABOVE NORMAL TEMPERATURES WILL PREVAIL
FRIDAY AND SATURDAY ALTHOUGH LOWS TONIGHT WILL REMAIN VERY
COOL WITH THE MOSTLY CLEAR SKIES AND LIGHT WINDS.
THE SOUTHERLY WINDS WILL PULL MOISTURE AHEAD OF AN UPPER LEVEL
SYSTEM THAT WILL BRING CHANCES FOR RAIN ALONG WITH COOLER
TEMPERATURES ON SUNDAY AND MONDAY. SLIGHTLY BETTER AGREEMENT IN
THE MEDIUM RANGE MODELS BUT STILL HAVE QUESTIONS ON EXACT TIMING
AND TRACK WHICH WOULD DETERMINE WHEN AND WHERE RAIN CHANCES NEED
TO BE. BUT CONFIDENCE REMAINS ON THE LOW SIDE.
WHAT DOES APPEAR SIGNIFICANT AND WILL BE WATCHED IS A POOL OF VERY
COLD AIR FROM CANADA BRINGING VERY COLD TEMPERATURES TO OUR AREA
TOWARDS THE END OF NEXT WEEK.
&&
.TSA WATCHES/WARNINGS/ADVISORIES...
OK...NONE.
AR...NONE.
&&
$$
AVIATION...06