FXUS64 KAMA 021151 AAA
AFDAMA
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE AMARILLO TX
551 AM CST WED DEC 2 2009
.AVIATION...
PRECIP IN ASSOCIATION WITH UPPER LEVEL LOW HAS MOVED EAST OF THE TERMINALS.
COLD FRONT HAS SAILED THROUGH THE PANHANDLES THIS MORNING...WITH GUSTY
NORTHERLY WINDS IN ITS WAKE. WINDS SHOULD REMAIN AROUND 20 KNOTS WITH
HIGHER GUSTS APPROACHING 30 KNOTS AT TIMES THROUGH 17Z/18Z. IN ADDITION...
MVFR CIGS HAVE FILLED IN BEHIND DEPARTING BOUNDARY AND HAVE ACCOUNTED
FOR THIS IN THE TAFS THROUGH 17Z. VFR CONDITIONS ANTICIPATED THROUGH
08Z WITH LOW CLOUDS RETURNING TO THE TERMINALS THEREAFTER. PRECIP
CHANCES WILL BE ON THE INCREASE FROM THE WEST AS NEXT UPPER LEVEL
SYSTEM APPROACHES. INTRODUCED SNOW REMARKS AT DHT AROUND 08Z ALONG
WITH SOME IFR CIGS BUT HELD OFF ON MENTIONING ANY PRECIP AT GUY/AMA.
TAB
&&
.PREV DISCUSSION... /ISSUED 330 AM CST WED DEC 2 2009/
DISCUSSION...
ECHOES MAKING TIMELY DEPARTURE FROM SERN PART OF FCST AREA...WITH NO
POPS IN FCST FOR 1ST PERIOD AS DRIER POST-FORNTAL AIR MOVES IN.
COLDER CONDITIONS EXPECTED TDA...ESPECIALLY ACROSS NWRN AREAS...
WHERE MAX TEMPS EXPECTED TO REMAIN BELOW FREEZING. COLD CONDTIONS
EXPECTED ON THU ALSO...WITH WRN HALF OF FCST AREA EXPECTED TO
REMAIN BELOW FREEZING.
CHANCES FOR SNOW HAVE BEEN RETAINED IN FCST BEGINNING THIS EVE IN WRN
ZONES AS UPSLOPE FLOW DEVELOPS. POPS HAVE BEEN INCREASED AFTER 06Z
THU AS ISENTROPIC LIFT PATTERN STRENGTHENS AND STRONGER WLY WINDS
ALOFT ARRIVE. HAVE ALSO INCREASED POPS THU...ESPECIALLY ACROSS WRN
ZONES...AS UPSLOPE FLOW AND ISENTROPIC LIFT PATTERN CONTINUE...AND
ARE AUGMENTED BY MID-LEVEL DYNAMICS.
CHANCES FOR SNOW CONTINUE THRU THU NGT...MAINLY ACROSS SWRN AND SRN
ZONES. HAVE DELAYED ENDING OF PCPN...EXTENDING DURATION PAST 06Z FRI
ACROSS SRN ZONES AS UPSLOPE FLOW CONTINUES PAST MIDNIGHT. NO POPS IN
REMAINDER OF FCST. 03
COCKRELL
FIRE WEATHER...
NO SIGNIFICANT FIRE WEATHER CONCERNS THROUGH THE FORECAST PERIOD AS
MINIMUM RELATIVE HUMIDITIES REMAIN WELL ABOVE CRITICAL VALUES. 03
&&
.AMA WATCHES/WARNINGS/ADVISORIES...
TX...NONE.
OK...NONE.
&&
$$
10/03
