Area Forecast Discussion
Issued by NWS Huntsville, AL

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FXUS64 KHUN 291712 AAC
AFDHUN

AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE HUNTSVILLE AL
1212 PM CDT TUE JUL 29 2014

.UPDATE...
FOR 18Z TAFS

&&

.DISCUSSION...
/ISSUED 1042 AM CDT TUE JUL 29 2014/
INFLUENCED BY A RATHER DEEP LONGWAVE TROUGH...THE AREA WILL
EXPERIENCE AN UNSEASONABLY COOL/DRY DAY FOR LATE JULY. AFTER
STARTING IN THE UPR 50S TO LWR 60S EARLIER THIS MRNG...TEMPS HAVE
REBOUNDED GENERALLY TO THE LWR 70S /UPR 60S IN THE HIGHER TERRAIN/.
SOUTH OF THE TENNESSEE RIVER AND ALONG THE CUMBERLAND PLATEAU...A
SCT-BKN FIELD OF CUMULUS HAS DEVELOPED. IN THIS AREA...A SHALLOW
LAYER OF HIGHER MOISTURE EXISTS /DEWPTS BTWN 58-61F/. COMPARITIVELY...
JUST NORTH AND WEST OF THIS CU FIELD...DEWPTS ARE IN THE LWR 50S -
EVEN A 49F AT KLUG /LEWISBURG TN/ AS OF 15Z.

ASIDE FROM SOME MINOR ADJUSTMENTS TO THE SKY COVER AND HOURLY
TEMP/DEWPT GRIDS...FORECAST IS ON TRACK. AFTERNOON HIGH TEMPS BETWEEN
79-83F LOOK REASONABLE. HIGHER ELEVATIONS WILL BE SEVERAL DEGREES
COOLER. AS ATMOSPHERIC MIXING CONTINUES THROUGH THE DAY AND DRIER
AIR ADVECTS IN FROM THE NORTH...EXPECT CU FIELD TO GRADUALLY
DISSIPATE...RESULTING IN MAINLY SUNNY CONDITIONS THIS AFTN.

** QUICK CLIMATE NOTE ** THE RECORD LOWEST HIGH TEMPERATURE AT
 HUNTSVILLE INTERNATIONAL FOR THIS DATE IS 81F SET BACK IN 2006.

DJN.83

&&

.AVIATION...
FOR 18Z TAFS...
VFR CONDITIONS ARE EXPECTED THROUGH THIS TAF PERIOD. SCT-BKN CU FIELD
JUST TO THE SOUTH OF THE AIRPORTS ARE GENERALLY 4-5K FT AND WILL
DIMINISH SHORTLY AFTER SUNSET.

DJN.83

&&

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

$$

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


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