Area Forecast Discussion
Issued by NWS Huntsville, AL

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000
FXUS64 KHUN 262338
AFDHUN

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HUNTSVILLE AL
538 PM CST MON JAN 26 2015

.UPDATE...EXPANDED THE AREA OF FLURRIES. OTHERWISE MADE NO CHANGES
TO THE REST OF THE FCST PARAMETERS ATTM.

&&

.DISCUSSION...
WENT AHEAD AND EXPANDED THE AREA OF FLURRIES A LITTLE FARTHER TO THE
WEST BASED ON CURRENT RADAR TRENDS. NOT EXPECTING ANY ACCUMULATIONS
OR TRAVEL PROBLEMS.


&&

.AVIATION...
FOR 00Z TAFS...WRAP ARND CLOUDS WILL CONTINUE ACROSS THE TAF SITES
FOR MUCH OF THE FCST PERIOD. THERE IS A SLIGHT CHC OF FLURRIES
OVERNIGHT...BUT SINCE THE COVERAGE/CHC IS LOW WILL NOT INCLUDE IN
TAFS. OTHERWISE VFR CONDITIONS ARE POSSIBLE UNTIL 04Z. BETWEEN 04Z
AND 18Z EXPECT MVFR CONDITIONS. AFTER 18Z MAINLY VFR CONDITIONS ARE
POSSIBLE.

07

&&

.PREV DISCUSSION...
/ISSUED 320 PM CST MON JAN 26 2015/
CLOUDS HAVE SCATTERED/PREDOM CLEARED ACROSS THE WRN AREAS THIS MON
AFTERNOON...AS WEAK HIGH PRESSURE MOVES INTO THE LOWER MS VALLEY
REGION. ANY CLEARING THOUGH WILL LIKELY BE SHORT LIVED AS ADDITIONAL
CLOUD COVER SPREADS SEWD ACROSS THE MID SOUTH...EMBEDDED WITHIN A
STRONG NWLY FLOW PATTERN ALONG THE BACKSIDE OF A POWERHOUSE WINTER
STORM SYSTEM MOVING UP THE NE STATES. SOME LIGHT RETURNS ON AREA
RADARS N OF THE CNTRL TN VALLEY MAY EVENTUALLY WORK THEIR WAY INTO
THE FAR NERN ZONES LATER TONIGHT...AS ADDED LOW CLOUDS/MOISTURE MOVE
INTO THE REGION WITH THE LOW LEVEL JET IN PLACE. THIS MAY RESULT IN
SOME LIGHT FLURRIES HEADING INTO THE EARLY MORNING HRS TUE...BEFORE
A STRONGER DOME OF HIGH PRESSURE OUT OF THE NRN PLAINS BEGINS TO
TURN TOWARD THE SE...THEREBY ALLOWING THE INFLUX OF SOME DRIER AIR
INTO THE AREA LATE TUE INTO WED. THIS SHOULD ALLOW OVERALL TEMPS TO
RETURN CLOSER TO SEASONAL TRENDS AROUND MID WEEK...BEFORE THE NEXT
ROUND OF WET WX DEVELOPS GOING TOWARD THE END OF THE WORK WEEK.

LATTER HALF OF THE GLOBAL MODEL RUNS HAVE THE NEXT FRONTAL PASSAGE
THROUGH MUCH OF THE REGION THU AFTERNOON/NIGHT...WITH SOME LIGHT
RAIN/SHOWERS DEVELOPING MAINLY ALONG/JUST AHEAD OF THE SFC FRONT.
ANOTHER STRONG DOME OF HIGH PRESSURE THEN QUICKLY MOVES EWD ACROSS
THE MIDWEST/OH VALLEY STATES INTO THE FIRST HALF OF THE WEEKEND
PERIOD...WITH YET ANOTHER BRIEF WINDOW OF QUIET AND NEAR SEASONAL
CONDITIONS/TEMPS. THE GLOBAL MODELS ARE THEN KEYING ON A STRONGER
SFC WAVE/LOW PRESSURE SYSTEM OUT OF THE MID/SRN PLAINS TRAVERSING
EWD ACROSS THE REGION LATE SAT INTO SUN. THE ATTENDANT COLD FRONT
LOOKS TO CLEAR THE AREA WELL TO THE E SUN NIGHT...WITH RAIN QUICKLY
TAPERING OFF FROM THE W DURING THE EVENING HRS. COOLER/DRIER AIR
WILL QUICKLY BE USHERED INTO THE REGION FROM THE N...AS ANOTHER DOME
OF HIGH PRESSURE BUILDS EWD INTO THE MIDWEST/OH VALLEY AREAS. MODELS
LOOK TO BE PRETTY CONSISTENT THOUGH WITH MOVING ANY LINGERING LIGHT
QPF OUT OF THE LOCAL AREA PRIOR TO THE INFLUX OF MUCH COLDER AIR.

09

&&

.HUN WATCHES/WARNINGS/ADVISORIES...
AL...NONE.
TN...NONE.
&&

$$

FOR MORE INFORMATION PLEASE VISIT OUR WEBSITE
AT WEATHER.GOV/HUNTSVILLE.


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