Area Forecast Discussion
Issued by NWS Huntsville, AL

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000
FXUS64 KHUN 171735 AAC
AFDHUN

AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE HUNTSVILLE AL
1235 PM CDT WED SEP 17 2014

.UPDATE...
FOR 18Z TAFS

&&

.DISCUSSION...
/ISSUED 1005 AM CDT WED SEP 17 2014/
A LOW CLOUD DECK AND PATCHY FOG COVERED PORTIONS OF NORTH CENTRAL AL
EARLIER AND AN ADDITIONAL LOW CLOUD DECK IS CURRENTLY COVERING MIDDLE
TN. THE LOW CLOUD DECK OVER MIDDLE TN SHOULD BREAK OVER THE NEXT FEW
HOURS. IN ADDITION, HIGH CLOUD COVER ORIGINATING FROM A SOUTH TO SE
MOVING MCS OVER MO/S AR WILL OVERSPREAD PORTIONS OF N MS AND NW AL.
WITH THE DRY AIR IN PLACE ACROSS MIDDLE TN AND THE TN RIVER VALLEY,
NOT EXPECTING THE MCS TO IMPACT THIS AREA WITH ANY PRECIPITATION.
THUS, MADE ADJUSTMENTS TO THE SKY COVER FORECAST FOR THIS MORNING AND
THIS AFTERNOON TO ACCOUNT FOR THESE FEATURES, AND KEPT THE WEATHER
FORECAST DRY THROUGH TODAY.

FURTHERMORE, TEMPERATURE AND DEWPOINT TRENDS NEEDED SOME TWEAKING,
MAINLY TO RAISE DAYTIME HIGHS SLIGHTLY INTO THE LOW 80S AND TO
ACCOUNT FOR SOMEWHAT LOWER DEWPOINT TRENDS TODAY.

OTHERWISE, THE REST OF THE FORECAST PACKAGE LOOKS FINE.

SL.77

&&

.AVIATION...
FOR 18Z TAFS...

VFR CONDITIONS ARE EXPECTED TO CONTINUE ACROSS N AL/S MIDDLE TN FOR
THE NEXT 24 HOURS. THERE IS THE POSSIBILITY OF VERY ISOL -SHRA
ACTIVITY LATE IN THE PERIOD (12-15Z), BUT DID NOT INCLUDE IN TAFS AT
THIS TIME. FOG FORMATION DOES NOT LOOK POSSIBLE TONIGHT GIVEN THE
MID-HIGH LEVEL CLOUD DECK THAT SHOULD PERSIST THROUGH THE PERIOD
(15-25KFT).

SL.77

&&

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

$$

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


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