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Area Forecast Discussion

688
FXUS64 KHUN 020453 AAC
AFDHUN

AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE HUNTSVILLE AL
1153 PM CDT SUN MAY 1 2016

.UPDATE...
FOR 06Z TAFS

&&

.DISCUSSION...
/ISSUED 814 PM CDT SUN MAY 1 2016/
LINE OF SHRA/TSRA ACROSS LIMESTONE, MADISON INTO LINCOLN AND
FRANKLIN COUNTIES WAS WEAKENING. THESE CELLS APPEAR TO BE SLIGHTLY
ELEVATED BASED ON OBSERVATION OF THE CLOUD BASES FROM HERE AT THE
WFO. 00Z RAOBS INDICATE UNSTABLE AIR TO OUR N THRU W, WHILE MORE
STABLE AIR LIES OVER NRN AND CENTRAL AL. THE COLD FRONT/CONVERGENCE
ZONE SITUATED ACROSS WRN TN INTO NWRN MS HAS LIT UP NEARLY STATIONARY
DEEP CONVECTION, SOME OF WHICH HAS PRODUCED LANDSPOUT-TYPE FUNNEL
CLOUDS. DESPITE 50-60KT 6KM BULK SHEAR, STORM MOVEMENT HAS BEEN
NEARLY STATIONARY. THE FRONT/CONVERGENCE WILL SLOWLY SHIFT INTO FAR
NWRN AL AND MIDDLE TN LATE TONIGHT. THE HIGHER CAPE AIR IN THIS ZONE
MAY SHIFT WITH THE FRONT, SO HAVE KEPT CHC POPS GOING OVERNIGHT. WE
WILL ALSO CONTINUE TO MONITOR SATELLITE TRENDS AS WE EXPECT LOW
CLOUDS TO DEVELOP AND BECOME WIDESPREAD. THIS SHOULD LIMIT THE THREAT
OF FOG, BUT WILL MONITOR THAT POTENTIAL AS WELL.

&&

.AVIATION...
FOR 06Z TAFS... MVFR FLIGHT CONDITIONS ARE EXPECTED TO DEVELOP AS CIGS
OF 020-025AGL FORM AND BECOME WIDESPREAD THIS MORNING ALONG WITH
VSBYS OF 3-5SM IN BR PSBL. THE THREAT OF SHRA AND TSRA HAS
DIMINISHED, BUT A FEW REMAIN PSBL THRU MONDAY MORNING. THE CHANCES
WILL INCREASE DURING THE DAY, AND PEAK DURING THE LATE AFTERNOON AND
EVENING HOURS AS A WEAK COLD FRONT APPROACHES FROM THE WEST.

&&

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

$$

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



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