Area Forecast Discussion
Issued by NWS New Orleans/Baton Rouge, LA

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379
FXUS64 KLIX 010042
AFDLIX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NEW ORLEANS LA
642 PM CST SAT JAN 31 2015

.SOUNDING DISCUSSION...

...00Z SOUNDING...

THE 00Z SOUNDING CONTINUES TO SHOW A VERY DRY AND STABLE AIRMASS
IN THE MID-LEVELS OF THE ATMOSPHERE. A 2 DEGREE INVERSION IS NOTED
AT 900MB...AND A DEEP DRY LAYER OF AIR EXTENDING FROM THIS
TEMPERATURE INVERSION UP TO 500MB IS NOTED. ABOVE 500MB...MOISTURE
CONTINUES TO STREAM IN FROM THE WEST. THIS MOISTURE WAS NOTED AS A
CIRRUS DECK THROUGH THE DAY. SOUTHEAST FLOW IN THE LOW LEVELS HAS
ALSO ALLOWED FOR HIGHER MOISTURE VALUES BELOW THE ELEVATED
TEMPERATURE INVERSION. SURFACE DEWPOINTS HAVE INCREASED AROUND 10
DEGREES CELSIUS SINCE THE 12Z SOUNDING. THIS HIGHER MOISTURE
CONTENT IN THE LOW LEVELS HAS ALLOWED FOR A RISE IN PRECIPITABLE
WATER FROM 0.34 INCHES THIS MORNING TO 0.52 THIS EVENING. THESE
VALUES ARE STILL ONLY IN THE 25TH PERCENTILE OF NORMAL FOR THIS
TIME OF YEAR.  32

&&

.PRELIMINARY POINT TEMPS/POPS...
MCB  50  69  39  46 /  30  80  70   0
BTR  51  72  41  48 /  40  80  60   0
ASD  52  72  44  51 /  20  70  60   0
MSY  56  74  47  50 /  30  60  50   0
GPT  51  69  44  52 /  20  70  60  10
PQL  49  70  45  51 /  20  70  50  10

&&

.LIX WATCHES/WARNINGS/ADVISORIES...
LA...NONE.
GM...NONE.
MS...NONE.
GM...NONE.
&&

$$







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