Area Forecast Discussion
Issued by NWS Huntsville, AL

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000
FXUS64 KHUN 250532 AAC
AFDHUN

AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE HUNTSVILLE AL
1232 AM CDT SAT OCT 25 2014

.UPDATE...
FOR 06Z TAFS

&&

.DISCUSSION...
/ISSUED 914 PM CDT FRI OCT 24 2014/
DRY AND COOL CONDITIONS (9 PM READINGS IN THE MID 40S TO MID 50S)
PREVAILED THIS EVENING...AS BROAD SURFACE HIGH PRESSURE EXTENDING
FROM E-SE TEXAS TO THE APPALACHIANS CONTROLS THE WEATHER. THIS HAS
RESULTED IN LIGHT/VARIABLE WINDS THIS EVENING. MOISTURE MOVING
AROUND UPPER RIDGING SITUATED OVER THE SOUTHERN PLAINS AND
MEXICO...WITH BRINGING SCATTERED HIGH CLOUDS ACROSS THE REGION
FROM THE NW.

TEMP/DEWPOINT SEPARATIONS (AT LEAST AT THE ASOS SITES) WERE AROUND
10 DEGREES THIS EVENING. BUT LAMP AND OLDER NAM/GFS GUIDANCE HAS
DRY BULB TEMPERATURES FALLING INTO THE MID 40S DURING THE OVERNIGHT.
THUS...ADDITIONAL LATE NIGHT FOG/MIST FORMATION IS POSSIBLE. FOG
PRONE AREAS SUCH AS THOSE NEAR BODIES OF WATER AND WIND SHELTERED
SPOTS WILL MORE LIKELY TO BE AFFECTED BY FOG. THUS DELAYED FOG
FORMATION BY A FEW HOURS IN THIS UPDATE. OTHER MINOR TWEAKS TO LOW
TEMPS WERE MADE TOO. NEW UPDATES OUT SHORTLY.

RSB

&&

.AVIATION...
FOR 06Z TAFS...
LIGHT/VARIABLE WINDS AND VFR WEATHER SHOULD CONTINUE INTO THE
LATE NIGHT FOR HSV. HOWEVER...HAVE MAINTAINED A TEMPO 5SM AT KMSL
FOR THE POSSIBLE DEVELOPMENT OF LOCAL SHALLOW FOG BTWN 09-13Z. VFR
CONDITIONS WILL OTHERWISE CONTINUE FOR THE REMAINDER OF THE TAF
PERIOD. WINDS BY THE LATE MORNING WILL BECOME SW-W IN THE 5-10KT
RANGE.

RSB/KDW

&&

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

$$

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



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