Area Forecast Discussion
Issued by NWS Huntsville, AL

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FXUS64 KHUN 260538 AAC
AFDHUN

AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE HUNTSVILLE AL
1238 AM CDT TUE MAY 26 2015

.UPDATE...
FOR 06Z TAFS

&&

.DISCUSSION...
/ISSUED 800 PM CDT MON MAY 25 2015/
WITH AFTERNOON CONVECTION WELL TO THE EAST AND LITTLE FORCING
MECHANISM TO INITIATE NEW DEVELOPMENT, HAVE DELAYED THE CHC OF TSRA
UNTIL AFTER 09Z. MOST LIKELY THIS WILL NOT OCCUR UNTIL 11Z OR AFTER,
MAINLY IN OUR WESTERN COUNTIES WITH THE APPROACH OF THE QLCS.
HOWEVER, WITH LOW LEVEL FLOW INCREASING LATE TONIGHT, THAT MAY BE
JUST ENOUGH TO GENERATE SHRA/TSRA JUST ABOUT ANYWHERE TOWARD MORNING.
VERY MOIST SFC OBS COMING IN THIS EVENING ALSO POINT TO SOME
CONSIDERATION OF LOW CLOUDS AND PERHAPS SOME VERY PATCHY FOG. WILL
STICK MORE WITH THE STRATUS IDEA AT THIS POINT.

AK

&&

.AVIATION...
FOR 06Z TAFS...
VERY MOIST AIRMASS AND SOUTHERLY FLOW WILL LEAD TO LOW CLOUD
DEVELOPMENT IN AREAS THIS MORNING INCLUDING TEMPO IFR CIGS AT BOTH
KMSL AND KHSV. A LINE OF SHRA AND TSRA IS EXPECTED TO ARRIVE SLOWER
THAN PREVIOUSLY FORECAST. GIVEN THIS UNCERTAINTY, CONTINUE TO
FORECAST VCTS ATTM. REDEVELOPMENT DURING THE AFTERNOON IS ALSO
CONTINGENT ON MORNING PRECIP TRENDS, SO MAINTAINED VCTS AT BOTH KMSL
AND KHSV THRU THE DAY. SOUTHERLY WINDS WILL BE GUSTING AT 15-20KT
THRU THE DAY.

AK

&&

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

$$

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



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