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000
FXUS64 KHUN 190207 AAB
AFDHUN

AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE HUNTSVILLE AL
907 PM CDT SAT MAY 18 2013

.UPDATE...
EVENING UPDATE.

&&

.DISCUSSION...
WILL BE AMENDING THE ZONES SHORTLY TO LOWER THE PRECIP CHANCES ACROSS
THE FORECAST AREA OVERNIGHT. THE LATEST IR SATELLITE IMAGES AND
SURFACE ANALYSIS DOES INDICATE THAT THERE ARE A COUPLE OF WEAK
BOUNDARIES THAT ARE THE CULPRITS FOR THE WIDELY SCATTERED
SHOWERS/STORMS THAT ARE CONTINUING TO FORM. THE AREAS OF EMPHASIS FOR
SHOWER/STORM DEVELOPMENT ARE TO THE NORTHWEST ACROSS WEST TENNESSEE
AND ACROSS NORTHEAST ALABAMA. HAVE LOWERED POPS INTO THE SLIGHT
CHANCE CATEGORY FOR THE OVERNIGHT FORECAST AND HAVE SLIGHTLY TWEAKED
TEMPS UPWARD IN A FEW LOCATIONS ACROSS THE AREA ALONG WITH DEWPOINT
TEMPS. HAVE ALSO SLIGHTLY LOWERED THE AMOUNT OF CLOUDS ACROSS THE
FORECAST AREA DUE TO IR SATELLITE TRENDING THIS EVENING.

HAVE NOT MADE ANY OTHER CHANGES TO THE GRIDS AND THE ZONES WILL BE
ISSUED SHORTLY.

TT

&&

.AVIATION...
/ISSUED 632 PM CDT SAT MAY 18 2013/
FOR 00Z TAFS...THE LATEST SURFACE OBSERVATION AT MSL AT 23Z CONTINUED
TO INDICATE MVFR CEILINGS AND HAVE DECIDED TO KEEP CEILINGS THERE IN
THE HIGHER END OF THE MVFR CATEGORY UNTIL AROUND 01Z. EXPECT
CONDITIONS TO REMAIN VFR AT BOTH HSV AND MSL UNTIL AROUND 08Z...AS
THE FORECAST MODELS INDICATE THAT MVFR CEILINGS ARE AGAIN EXPECTED AS
A WEAK UPPER LEVEL SYSTEM MOVES EAST INTO THE REGION. WILL IMPROVE
CEILINGS INTO THE VFR CATEGORY AT HSV AT 15Z AND MSL AT 16Z AND KEEP
VFR CONDITIONS IN PLACE THROUGH THE END OF THE FORECAST PERIOD.

TT

&&

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

$$

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