406 
FXUS64 KBMX 100534
AFDBMX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1130 PM CST THU FEB 9 2012

.UPDATE...AVIATION DISCUSSION.

&&

.DISCUSSION...

HIGH CLOUDS CURRENTLY STREAMING ACROSS CENTRAL ALABAMA...BUT NOTHING 
OF ANY CONCERN OR CONSEQUENCE. TEMPERATURE TRENDS THIS EVENING HAVE 
BEEN PRETTY MUCH ON PAR WITH PRIOR FORECASTS...AND ONLY MINOR 
ADJUSTMENTS ARE NEEDED IN THE EVENING UPDATE.

/61/

&&

.AVIATION...
06Z TAF DISCUSSION.

CIRRUS CLOUDS WILL SPREAD ACROSS CENTRAL ALABAMA OVERNIGHT. A QUICK 
MOVING SHORT WAVE TROF WILL PASS ACROSS ALABAMA FRIDAY NIGHT. THE 
SYSTEM WILL BRING MID LEVEL CLOUDS INTO CENTRAL ALABAMA BY 18Z 
FRIDAY...WITH CIGS GRADUALLY LOWERING DURING THE AFTERNOON...MAYBE 
DOWN TO 5K FEET AGL BY 00Z. SURFACE WINDS WILL BECOME WESTERLY BY 
18Z AND THERE MAY BE SCATTERED LIGHT SHOWERS 18-00Z...BUT AIR MASS 
WILL BE RELATIVELY DRY AND VSBYS WILL LIKELY REMAIN ABOVE 5 MILES IN 
SHWRS.  NO ORGANIZED BAND OR LINE OF SHWRS WITH THIS SYSTEM AND WILL 
COVER RAIN WITH VCSH.  MVFR CIGS WILL LIKELY OCCUR BEYOND TAF PERIOD.

58/ROSE

&&

.FIRE WEATHER...
A VERY DRY AIR MASS WILL PUSH INTO THE AREA THIS WEEKEND WITH SURFACE
DEWPOINTS FALLING INTO THE SINGLE DIGITS BY SUNDAY. THIS WILL CAUSE
RELATIVE HUMIDITY VALUES TO FALL BELOW 25 PERCENT FOR SEVERAL HOURS
SUNDAY AFTERNOON...LEADING TO HIGH FIRE DANGER. MOISTURE VALUES WILL
SLOWLY INCREASE ON MONDAY...BUT RELATIVE HUMIDITY VALUES MAY STILL 
FALL BELOW CRITICAL VALUES MONDAY AFTERNOON.

&&

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

&&

$$