FXUS64 KOUN 251929
AFDOUN
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NORMAN OK
129 PM CST FRI DEC 25 2009
.AVIATION...
MOSTLY CLEAR SKIES GENERALLY WILL PREVAIL ACROSS THE AREA THROUGH
THE FORECAST PERIOD. GUSTY WINDS THIS AFTERNOOBN ACROSS THE
NORTHWEST HALF OF THE STATE WILL DIMINISH THIS EVENING. THERE MAY
BE SOME AREAS OF BLOWING SNOW THANKS TO THESE WINDS... BUT THIS
WILL PROBABLY BE SOMEWHAT LOCALIZED AND HAVE NOT PUT ANY
OBSTRUCTION TO VISIBLITY IN THE TAFS.
&&
.PREV DISCUSSION... /ISSUED 1057 AM CST FRI DEC 25 2009/
DISCUSSION...
A FEW CLOUDS HAVE DEVELOPED OVER SOME OF OUR SOUTHWEST COUNTIES...
APPARENTLY DUE TO SOME LOCALIZED MID-LEVEL MOISTURE IN THAT AREA.
VERY DRY AIR IS BEING DRAWN SOUTHEAST INTO THE REGION... AND IS
NOT BEING MODIFIED MUCH BY SUBLIMATION OF THE SNOW COVER. SO... WE
WILL NEED TO MAKE SOME APPROPRIATE ADJUSTMENTS TO DEW POINT AND
RELATIVE HUMIDITY HOURLY PROGS.
OTHER THAN THESE TWO ITEMS... NO CHANGES ARE PLANNED TO THE FORECAST.
PREV DISCUSSION... /ISSUED 534 AM CST FRI DEC 25 2009/
AVIATION...
GENERALLY VFR CLEAR CONDITIONS WILL PREVAIL THROUGH THE FORECAST
PERIOD... SCATTERED CLOUDS AROUND 3K FT MAY MOVE INTO NORTH
CENTRAL OK. SURFACE WINDS WILL GUST AT TIMES OVER 20 KT BEFORE
DIMINISHING BY EVENING.
PREV DISCUSSION... /ISSUED 327 AM CST FRI DEC 25 2009/
DISCUSSION...
A MAJOR WINTER STORM CONTINUES EXIT THE AREA EARLY THIS MORNING
WITH GENERALLY CLEAR SKIES NOW OVER THE AREA. THE EXCESSIVE WINDS
HAVE DECREASED ALTHOUGH THEY WILL CONTINUE TO GUST NEAR 25 MPH
TODAY WHICH WILL RESULT IN WIND CHILLS IN THE SINGLE DIGITS OVER
MOST OF THE REGION THIS MORNING. TEMPERATURES WILL REMAIN BELOW
FREEZING OVER A LARGE PART OF THE AREA THIS AFTERNOON AND WILL
LIKELY CONTINUE TO BE COLDER THAN GUIDANCE FOR AT LEAST THE NEXT
COUPLE OF DAYS. ANOTHER LOW DROPPING SOUTHEAST THROUGH THE PLAINS
WILL HELP TO REINFORCE THE SURFACE RIDGE OVER THE AREA BY LATE
FRIDAY. NOT OUT OF THE QUESTION THIS SYSTEM COULD GENERATE SOME
FLURRIES BUT FOR NOW WILL ONLY INCREASE CLOUDS SOMEWHAT. OTHERWISE
DRY WEATHER IS EXPECTED THROUGH MONDAY WITH RELATIVELY COLD
TEMPERATURES CONTINUING. BY TUESDAY... THE CHANCE FOR MIXED
PRECIPITATION WILL INCREASE AS A SYSTEM APPROACHES FROM THE WEST
WHILE AREAS OF LOW-LEVEL SUBFREEZING TEMPERATURES REMAIN OVER THE
AREA. THE SCATTERED PRECIPITATION WILL LIKELY LINGER INTO PART OF
WEDNESDAY.
&&
.PRELIMINARY POINT TEMPS/POPS...
OKLAHOMA CITY OK 33 14 31 19 / 0 10 10 10
HOBART OK 33 14 36 20 / 0 0 0 0
WICHITA FALLS TX 31 17 38 23 / 0 0 0 0
GAGE OK 35 16 35 13 / 0 0 0 0
PONCA CITY OK 27 14 28 15 / 0 10 10 10
DURANT OK 35 21 36 23 / 0 0 10 0
&&
.OUN WATCHES/WARNINGS/ADVISORIES...
OK...NONE.
TX...NONE.
&&
$$
