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Area Forecast Discussion

693
FXUS64 KHUN 261533 AAB
AFDHUN

AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE HUNTSVILLE AL
933 AM CST WED NOV 26 2014

.UPDATE...
TO ADJUST SKY COVER TRENDS THIS MORNING AND RAISE MAX TEMPS BY A FEW
DEGREES TODAY AND REMOVE SCHC OF -RA IN SRN TN THIS AFTERNOON.
&&

.DISCUSSION...
WATER VAPOR SHOWS A COMPACT SHORTWAVE/UPPER LOW OVER SRN IA INTO WRN
MO DROPPING RAPIDLY SOUTHEAST AS AN IMPRESSIVE JET STREAM FLOWS SE
FROM THE NRN ROCKIES INTO THE DEEP SOUTH. AN ASSOCIATED SURFACE LOW
WAS OVER KDSM WITH A SECONDARY LOW DEVELOPING IN NORTHERN AR ALONG A
TROF AXIS. THE COLD FRONT WAS SITUATED FROM THE LOW IN IA INTO NRN
KS. THE LOWS ARE FORECAST TO BASICALLY MERGE OVER MIDDLE TN BY EARLY
THIS EVENING. AN ARC OF MID/HIGH CLOUDS IN ADVANCE OF THE SHORTWAVE
WAS CROSSING THE MS RIVER AND WILL ARRIVE EARLY THIS AFTERNOON. AT
THIS HOUR, PRECIP WAS CONFINED TO SW/CENTRAL MO WITH A DRY LOW LEVEL
AIRMASS IN AR. THE AIRMASS WILL BE SLOW TO MOISTEN (TOP-DOWN) THIS
AFTERNOON, SO HAVE OPTED TO REMOVE PRECIP FROM THIS AFTERNOON`S
FORECAST. THE MAJORITY OF THE PRECIP WILL REMAIN IN THE COOL SECTOR
UNTIL THE COLD FRONT ARRIVES LATE TONIGHT.

AK

&&

.AVIATION...
/ISSUED 549 AM CST WED NOV 26 2014/
FOR 12Z TAFS...SKC CONDS AND A LIGHT WNW FLOW PERSIST AT BOTH HSV/MSL
IN WAKE OF WEAK COLD FRONT LAST EVENING. SCT HIGH-LEVEL CLOUDS WILL
BEGIN TO SPREAD ACROSS THE REGION THIS MORNING...WITH BKN AS CIGS
ARND 12 KFT AND A GUSTY S FLOW DEVELOPING THIS AFTN IN ADVANCE OF A
DISTURBANCE APPROACHING FROM THE NW. STRONG COLD FRONT ASSOCIATED
WITH THIS SYSTEM WILL PUSH EWD ACROSS BOTH TERMINALS BTWN 27/02-05Z.
A BAND OF -RA WILL LIKELY ACCOMPANY FROPA...BUT HAVE NOT INCLUDED IN
FORECAST ATTM DUE TO MINIMAL IMPACTS AND VERY BRIEF PERIOD OF PCPN
EXPECTED. WINDS WILL INCREASE TO 10G18 KTS FROM NW IN WAKE OF THE
FRONT...WITH BKN/OVC MVFR STRATUS EXPECTED THRU END OF TAF PERIOD.

70/DD

&&

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

$$

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



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