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[Printable]
783
FXUS64 KHUN 262120
AFDHUN

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

.DISCUSSION...
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

&&

.AVIATION...
/ISSUED 1145 AM CST MON JAN 26 2015/
FOR 18Z TAFS...
WIDESPREAD MVFR CLOUDS CONTINUED FLOWING FROM THE WESTERN GREAT
LAKES TO THE DEEP SOUTH. GIVEN DAYTIME HEATING AND SOME MIXING...
BREAKS IN THE STRATUS DECK WERE APPARENT OVER WESTERN TN AND
NORTHERN MS. THUS HAVE NOTED A RETURN TO VFR CIGS FOR KMSL THIS
AFTERNOON...AND TEMPO VFR CIGS AT KHSV (BUT BECOMING MVFR EARLY IN
THE EVENING). CIGS DURING THE EVENING SHOULD BECOME VFR...BUT WILL
GRADUALLY LOWER BACK TO MVFR CRITERIA BEFORE DAYBREAK TUE. NW
WINDS OF 10-15 KT SHOULD BECOME LIGHT/VARIABLE LATE THIS AFTERNOON
AND TONIGHT.

RSB

&&

.PRELIMINARY POINT TEMPS/POPS...
HUNTSVILLE    34  47  30  51 /  10  10   0   0
SHOALS        33  48  30  52 /  10   0   0   0
VINEMONT      33  46  29  50 /  10  10   0   0
FAYETTEVILLE  32  43  27  49 /  10  10   0   0
ALBERTVILLE   31  45  29  50 /  10  10   0   0
FORT PAYNE    31  47  28  49 /  10  10   0   0

&&

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

$$

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




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