Area Forecast Discussion
Issued by NWS Birmingham, AL

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000
FXUS64 KBMX 300445
AFDBMX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1145 PM CDT TUE JUL 29 2014

.UPDATE...
FOR 06Z AVIATION.

&&

.DISCUSSION...

SKIES HAVE CLEARED ACROSS CENTRAL ALABAMA AS HIGH PRESSURE SLOWLY
BUILDS INTO THE AREA FROM THE NORTHWEST. COOL ADVECTION CONTINUES
AT LOW LEVELS THIS EVENING...AND ARE ALREADY SEEING TEMPS IN THE
LOW 60S ACROSS THE NORTHWEST. LOOKING AT CURRENT OBS AREA
WIDE...AS WINDS DIMINISH...TEMPERATURES FALL RATHER QUICKLY. WITH
WINDS STILL AROUND 7 KTS ACROSS THE SOUTH AND EAST...TEMPS ARE
HOLDING IN THE LOW TO MID 70S.

SKIES WILL REMAIN CLEAR OVERNIGHT WITH DEWPOINTS IN THE LOW TO
MID 50S. NEAR TERM GUIDANCE SHOWS SURFACE WINDS DIMINISHING
QUICKLY NOW THAT THE SUN HAS SET. BOUNDARY LAYER WINDS REMAIN
AROUND 10KTS OVERNIGHT...THE ONE PARAMETER THAT WILL HINDER IDEAL
RADITIONAL COOLING CONDITIONS. FOR TEMPS OVERNIGHT...HAVE TAKEN A
BLEND OF CURRENT COOLING TRENDS AND LOCAL COOP MOS GUIDANCE WHICH
TAKES INTO ACCOUNT THE LOCAL VARIATION IN TEMPERATURES DUE TO
TERRAIN AND OTHER MICROSCALE FEATURES. THIS WILL BRING OVERNIGHT
LOWS DOWN AT LEAST A COUPLE DEGREES FROM THE PREVIOUS FORECAST.

FORECAST PRODUCT UPDATES ARE OUT. WEBPAGE WILL BE UPDATED SHORTLY
TO REFLECT NEW FORECASTED LOWS...WHICH WILL NO DOUBT BREAK SOME
RECORDS TONIGHT.

14


&&

.AVIATION...
06Z TAF DISCUSSION.

CLEAR SKIES WITH NORTHERLY SURFACE WINDS AROUND 5 KTS OVERNIGHT
AND TOMORROW.

88

&&

.BMX WATCHES/WARNINGS/ADVISORIES...
NONE.

&&

$$







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