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

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FXUS64 KLIX 230122
AFDLIX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NEW ORLEANS LA
822 PM CDT FRI MAY 22 2015

.SOUNDING DISCUSSION...

...00Z AVIATION DISCUSSION...

A VERY STABLE SOUNDING WAS NOTED THIS EVENING...WITH MID-LEVEL
LAPSE RATES OF ONLY 5.5C/KM IN PLACE. IN ADDITION...THERE IS A
1C CAP IN PLACE AT 870MB. THIS CAP COMBINED WITH THE WEAK LAPSE
RATES...HAVE KEPT CLOUD FORMATION STUNTED TO ONLY THE LOWEST
LEVELS OF THE ATMOSPHERE THROUGH THE DAY. WINDS WERE VARIABLE AND
WEAK IN THE LOW LEVELS...BUT A MORE PRONOUNCED WESTERLY FLOW
REGIME WAS NOTED FROM 850MB ON UP. THE VARIABLE FLOW IN THE LOW
LEVELS IS DUE TO A WEAK SEABREEZE AT THE LOWEST LEVELS
UNDERCUTTING CONTINUED WEAK NORTHERLY FLOW ASSOCIATED WITH A
SURFACE HIGH BUILDING IN FROM THE TENNESSEE VALLEY. THE NORTHERLY
FLOW SHOULD TURN MORE PRONOUNCED OVERNIGHT AS THE LAKEBREEZE
WANES. 32

&&

.PRELIMINARY POINT TEMPS/POPS...
MCB  63  87  69  87 /  10  20  20  50
BTR  68  87  71  88 /  10  40  30  50
ASD  66  87  71  85 /  10  10  20  40
MSY  72  86  75  87 /  10  20  20  40
GPT  67  86  75  85 /  10  10  30  40
PQL  62  83  71  83 /  10  10  30  40

&&

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

$$


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