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

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000
FXUS64 KLIX 250059
AFDLIX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NEW ORLEANS LA
759 PM CDT THU APR 24 2014

.SOUNDING DISCUSSION...

THE 00Z SOUNDING SHOWS A MUCH MORE UNSTABLE SOUNDING THAN SEEN IN
THE MORNING. LAPSE RATES ABOVE 750MB HAVE STEEPENED AND MOISTURE
HAS INCREASED GREATLY IN THE UPPER LEVELS. THIS HAS PUSHED PW
VALUES UP FROM 0.75 INCHES TO 1.3 INCHES THIS EVENING.
HOWEVER...THERE CONTINUES TO BE SOME CONVECTIVE INHIBITION IN
PLACE AS WARMING HAS CONTINUED TO OCCUR AROUND 800MB. THIS HAS
KEPT A WEAK TEMPERATURE INVERSION AND RESULTANT CAP IN PLACE. WIND
SHEAR HAS ALSO BE ON THE INCREASE...WITH HELICITY VALUES CLIMBING
TO AROUND 150 M2/S2 THIS AFTERNOON. IN ADDITION...0-6KM SPEED
SHEAR HAS INCREASED FROM 5 KNOTS THIS MORNING TO 30 KNOTS THIS
EVENING. WITHOUT THE MID-LEVEL CAP...STRONGER CONVECTION WOULD
HAVE BEEN MORE LIKELY TODAY.  32

&&

.PRELIMINARY POINT TEMPS/POPS...
MCB  62  83  55  84 /  20  10  10  10
BTR  65  84  59  83 /  20  20  10  10
ASD  63  80  62  82 /  20  20  10  10
MSY  66  82  65  83 /  20  20  10  10
GPT  65  80  62  82 /  20  20  10  10
PQL  62  80  60  81 /  10  10  10  10

&&

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

$$







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