Area Forecast Discussion
Issued by NWS Amarillo, TX

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000
FXUS64 KAMA 280120 AAB
AFDAMA

AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE AMARILLO TX
820 PM CDT MON OCT 27 2014

.UPDATE...
BASED ON FORECAST TEMPERATURES AND WIND SPEEDS LATE TONIGHT AND EARLY
TUESDAY PLUS LESS IN THE WAY OF CLOUD COVER THAN EARLIER EXPECTED...A
FROST ADVISORY FOR THE FAR NORTHWEST ZONES WILL BE ISSUED BEGINNING
AT 4 AM CDT TUE AND ENDING AT 9 AM CDT TUE.

ANDRADE

&&

.PREV DISCUSSION... /ISSUED 611 PM CDT MON OCT 27 2014/

AVIATION...
FOR THE 00Z TAFS...NORTH AND NORTHEAST WINDS WILL GRADUALLY BECOME SOUTHEAST
TO SOUTH TUESDAY AFTERNOON ACROSS THE AREA. PERIODS OF HIGH LEVEL CLOUDS
ARE ALSO EXPECTED. OVERALL...VFR CONDITIONS WILL CONTINUE AT ALL TERMINAL
SITES THROUGH LATE TUESDAY AFTERNOON.

ANDRADE

PREV DISCUSSION... /ISSUED 323 PM CDT MON OCT 27 2014/

DISCUSSION...
FORECAST REMAINS LARGELY UNCHANGED.  NO PRECIPITATION IS IN THE
FORECAST FOR THE NEXT SEVEN DAYS.

COLD FRONT HAS PASSED THROUGH ALL OF THE FORECAST AREA.  COLD AIR
ADVECTION AND ABUNDANT CLOUD COVER HAS BROUGHT TEMPERATURES WELL
BELOW THOSE OF RECENT DAYS.  EXPECT BRIEF CLEARING ACROSS
NORTHWESTERN SECTIONS THIS EVENING...WITH MID- AND HIGH-LEVEL
CLOUDS RETURNING TONIGHT.  THUS...WE ARE FORECASTING TEMPERATURES TO
REMAIN ABOVE FREEZING AREA-WIDE.

MODELS IN REASONABLE AGREEMENT WITH GENERAL PATTERN FOR THE UPCOMING
DAYS.   SEMI-ZONAL FLOW TONIGHT AND TUESDAY FOLLOWS DEPARTURE OF
BROAD MID-LEVEL TROF.  BUILDING RIDGE OVER SOUTHWESTERN U.S. CAUSES
NORTHWEST FLOW TO DEVELOP AND STRENGTHEN WEDNESDAY THROUGH
THURSDAY.  RIDGE TRAVERSES FORECAST AREA FRIDAY AFTERNOON AND
EVENING.  SOUTHWEST FLOW ALOFT THEN DEVELOPS AND STRENGTHENS
SATURDAY THROUGH MONDAY WITH DEEPENING OF NEXT WESTERN TROF.

PASSAGE OF NEXT COLD FRONT ON THURSDAY EXPECTED TO BE DRY.
SATURDAY AND SUNDAY LOOK TO BE WARM AND BREEZY TO WINDY AS SURFACE
TROF DEEPENS.  SOME SUGGESTION THAT DRYLINE MAY DEVELOP ON
SATURDAY AND SUNDAY...WITH NEXT POLAR FRONT ARRIVING MONDAY.

COCKRELL

&&

.AMA WATCHES/WARNINGS/ADVISORIES...
TX...FROST ADVISORY FROM 4 AM TO 9 AM CDT TUESDAY FOR THE FOLLOWING
     ZONES: DALLAM...HARTLEY.

OK...FROST ADVISORY FROM 4 AM TO 9 AM CDT TUESDAY FOR THE FOLLOWING
     ZONES: CIMARRON.


&&

$$







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