Area Forecast Discussion
Issued by NWS Amarillo, TX

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000
FXUS64 KAMA 161122
AFDAMA

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AMARILLO TX
522 AM CST TUE DEC 16 2014

.AVIATION...
12Z TAFS...LIGHT NORTHWEST WINDS INITIALLY THIS MORNING WILL COME
AROUND TO THE SOUTH/SOUTHWEST BY MIDDAY AS SURFACE HIGH PRESSURE
SHIFTS EAST OF THE AREA. WIND SPEEDS WILL REMAIN BELOW 15 KTS
THROUGH THE PERIOD. PREDOMINANTLY VFR CONDITIONS WILL PREVAIL THROUGH
THE PERIOD UNDER A VEIL OF BKN HIGH CLOUDS...BUT THERE IS SOME
POTENTIAL FOR MVFR CIGS AT KAMA TOWARD 12Z WEDNESDAY AS LOW-LEVEL
MOISTURE ADVECTS INTO THE AREA.

KB

&&

.PREV DISCUSSION... /ISSUED 410 AM CST TUE DEC 16 2014/

DISCUSSION...
ABUNDANCE OF HIGH CLOUDS EXPECTED TODAY THROUGH WEDNESDAY...KEEPING
TEMPERATURES CLOSE TO OR SLIGHTLY BELOW CLIMO.  HAVE RETAINED LOW
POPS FOR EASTERN SECTIONS ON WEDNESDAY...AS VORTICITY MAXIMUM
TRAVERSES RICHER MOISTURE IN REGION OF ISENTROPIC LIFT.

ISENTROPIC UPGLIDE CONTINUES WEDNESDAY NIGHT...WITH MORE CLOUDS.
LOW POPS KEPT FOR EASTERN AND FAR NORTHERN SECTIONS WEDNESDAY NIGHT.
WEAK COLD FRONT MOVES THROUGH AREA WEDNESDAY NIGHT AND THURSDAY
MORNING...WITH LOW POPS CONTINUING ACROSS EASTERN SECTIONS THURSDAY.

THURSDAY NIGHT OFFERS BEST OPPORTUNITY FOR LIGHT PRECIPITATION...AS
ISENTROPIC LIFT IS BOLSTERED BY PASSAGE OF SHORTWAVE TROF.  AIRMASS
MAY SUPPORT SOME LIGHT SNOW ACROSS NORTHWEST HALF OF FORECAST AREA...
BUT ANY AMOUNTS EXPECTED TO BE VERY LIGHT.  SOME LINGERING LIGHT
PRECIPITATION POSSIBLE FRIDAY ACROSS SOUTHEAST AS SHORTWAVE TROF
EXITS.

WEEKEND LOOKS TO BE DRY.  NEXT SHORTWAVE TROF MOVES ACROSS SUNDAY...
WITH SLIGHT CHANCES FOR SHOWERS IN SOUTHEAST AND SOUTHERN PARTS OF
FORECAST AREA SUNDAY NIGHT AND MONDAY.

COCKRELL

&&

.AMA WATCHES/WARNINGS/ADVISORIES...
TX...NONE.
OK...NONE.

&&

$$

08/03





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