Area Forecast Discussion
Issued by NWS Lake Charles, LA

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000
FXUS64 KLCH 310502
AFDLCH

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1202 AM CDT TUE MAR 31 2015

.DISCUSSION...
FOR 06Z TAF ISSUANCE.

&&

.AVIATION...
SFC OBS INDICATE VISIBILITIES ARE RUNNING 10SM ALL SITES ATTM...
ALTHOUGH A QUICK WALK OUTSIDE DOES SHOW SOME MIFG ALREADY
DEVELOPING AT KLCH. SATELLITE IMAGERY SHOWS JUST CIRRUS FLOWING
OVERHEAD. IN ADDITION TO REASONABLE RADIATING CONDITIONS FORECAST
SOUNDINGS/TIME-HEIGHT SECTIONS SHOW SUFFICIENT BOUNDARY LAYER
MOISTURE POOLING FOR FOG DEVELOPMENT LATER TONIGHT ESPECIALLY FOR
THE SRN SITES. KARA LOOKS TO BE OF PARTICULAR CONCERN AS TEMPS
HAVE ALREADY DROPPED TO NEAR CROSSOVER VALUES...THUS HAVE CARRIED
WORST CONDITIONS THERE PRIOR TO SUNRISE. MAIN ISSUE ONCE
CONDITIONS IMPROVE BY MID-MORNING WILL BE MODERATE SRLY WINDS WITH
SPEEDS EXPECTED TO EXCEED 10 KNOTS ALL SITES BY AFTERNOON...WHICH
WILL RELAX AS USUAL WITH SUNSET.

&&

.PREV DISCUSSION... /ISSUED 940 PM CDT MON MAR 30 2015/

UPDATE...FORECAST LOOKS GOOD. NO EVENING UPDATE REQUIRED.

PREV DISCUSSION... /ISSUED 656 PM CDT MON MAR 30 2015/

DISCUSSION...
FOR 00Z TAF ISSUANCE.

AVIATION...
LATE AFTERNOON SATELLITE IMAGERY/SFC OBS INDICATE THE HEATING-
INDUCED CU IS DISSIPATING WITH TIME AS EXPECTED...LEAVING BEHIND A
CLEARING SKY. NOT MANY CHANGES WERE MADE TO INHERITED TAFS WITH
VFR CONDITIONS EXPECTED TO CONTINUE UNTIL LATE NIGHT WHEN
RESTRICTIONS TO VISIBILITY/LOW CLOUDS BEGIN TO DEVELOP.

PREV DISCUSSION... /ISSUED 343 PM CDT MON MAR 30 2015/

DISCUSSION...A FRONT HAS STALLED FROM TEXARKANA TO AROUND
ATLANTA TODAY AND WILL RETURN NORTH WHILE WASHING OUT THROUGH
TONIGHT. THE RIDGE TO THE SOUTH OF THE FRONT AND ACROSS THE
NORTHEAST GULF AND THE LOCAL AREA WILL REMAIN IN PLACE THROUGH THE
REMAINDER OF THE WEEK. THIS WILL CONTINUE TO PROVIDE AND GENERALLY
SOUTH FLOW THROUGH FRIDAY KEEPING THE AREA WARM AND MOIST. ALOFT
WEAK RIDGE WILL OCCUR TUESDAY INTO WEDNESDAY WITH THE RIDGE
ERODING DURING WEDNESDAY AS AN UPPER DISTURBANCE APPROACHES. THE
CHANCE FOR RAIN WILL INCREASE AS THE DISTURBANCE APPROACHES WED
AND LINGER INTO THURSDAY.

THURSDAY INTO FRIDAY A LOW WILL MOVE EAST ACROSS THE SOUTHERN PLANES
INTO THE MID MISSISSIPPI VALLEY. AS THE SURFACE LOW DEPARTS A
COLD FRONT WILL DROP SOUTH AND PASS THROUGH THE REGION BY SATURDAY
MORNING. SHOWERS AND STORMS ARE EXPECTED TO ACCOMPANY THE BOUNDARY
FOLLOWED BY A 10 TO 20 DEGREE DROP IN TEMPERATURES FOR THE
WEEKEND.

MARINE...A LIGHT TO MODERATE SOUTH FLOW WILL REMAIN IN PLACE
ACROSS THE COASTAL WATERS THROUGH THE WEEK AS HIGH PRESSURE
REMAIN STRETCHED FROM THE NE GULF ACROSS THE NORTHERN GULF COAST.
AN UPPER DISTURBANCE WILL PASS THE AREA WEDNESDAY AND THURSDAY
WITH A FEW SHOWERS AND THUNDERSTORMS.

&&

.PRELIMINARY POINT TEMPS/POPS...
AEX  59  82  61  80 /   0  10  10  30
LCH  61  81  63  80 /   0  10  10  20
LFT  61  82  62  80 /   0  10  10  20
BPT  62  81  64  80 /   0  10  10  30

&&

.LCH WATCHES/WARNINGS/ADVISORIES...
LA...NONE.
TX...NONE.
GM...NONE.
&&

$$


AVIATION...25



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