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

Home | Current Version | Previous Version | Graphics & Text | Print | Product List | Glossary Off
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28

090
FXUS64 KLIX 190355 AAA
AFDLIX

AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1055 PM CDT FRI APR 18 2014

.UPDATE...
DEFORMATION BAND BETWEEN MID-LEVEL LOW OVER THE DEEP SOUTH AND THE
SURFACE LOW OVER THE CAROLINAS WAS SENDING AN AREA OF ELEVATED
CONVECTION INTO SOUTHEAST MISSISSIPPI LATE THIS EVENING. AN UPDATE
IS FORTHCOMING TO ADD 30 PERCENT CHANCE OF SHOWERS FOR THE NEXT
FEW HOURS MAINLY IN HARRISON AND JACKSON COUNTIES. AN
UNMENTIONABLE 10 PERCENT WILL BUFFET THE EXPECTED RAIN AREA. ALSO
ALTERED CLOUD COVER FOR THAT AREA. NO OTHER CHANGES AT THIS TIME.

&&

.AVIATION...
VFR CAVOK AT MOST TERMINALS NEXT 24-30 HOURS. ONLY CONSIDERATION
IS FOR KGPT POSSIBLY HAVING LIGHT SHOWERS PASS TO THEIR NEAR EAST
BETWEEN 06-09Z. KPQL WILL HAVE BETTER CHANCE DURING THAT TIME
FRAME.

&&

.MARINE...
NORTHEASTERLY WINDS SHOULD SLOWLY LESSEN OVERNIGHT AS LOW
CONTINUES TO PULL AWAY FROM THE REGION AND GRADIENT SOFTENS
SOMEWHAT.

&&

.SOUNDING DISCUSSION...
NO ISSUES WITH FLIGHT THIS EVENING. MODERATELY SATURATED FROM
SURFACE TO A WEAK INVERSION AT 869 MB...A RATHER DEEP WARM LAYER
TO 682 MB THEN AN UNSTABLE ELEVATED ADIABATIC LAYER TO A LOW
TROPOPAUSE NEAR 363 MB. WINDS WERE NE 5-30KT SURFACE TO
7KFT...BACKING TO NW 20-35KT TO 33.3KFT THEN W 30-40KT ABOVE. PEAK
WIND 270/45 AT 35.5KFT. PRECIPITABLE WATER NOW DOWN TO 0.94 INCHES
BUT WITH AN UNSTABLE -3.2 LIFTED INDEX.

&&

.PRELIMINARY POINT TEMPS/POPS...
MCB  52  78  53  81 /  20   0   0   0
BTR  54  80  56  82 /  30   0   0   0
ASD  54  78  54  80 /  10   0   0   0
MSY  57  79  59  80 /  20   0   0   0
GPT  54  78  57  77 /  30   0   0   0
PQL  52  77  52  78 /  30   0   0   0

&&

.LIX WATCHES/WARNINGS/ADVISORIES...
LA...NONE.
GM...SMALL CRAFT ADVISORY UNTIL 6 AM SATURDAY FOR THE FOLLOWING
     ZONES: COASTAL WATERS FROM BOOTHVILLE LA TO THE SOUTHWEST
     PASS OF THE MISSISSIPPI RIVER OUT 20 NM...COASTAL WATERS
     FROM PASCAGOULA MS TO STAKE ISLAND LA FROM 20 TO 60
     NM...COASTAL WATERS FROM PASCAGOULA MS TO STAKE ISLAND LA
     OUT 20 NM...AND COASTAL WATERS FROM STAKE ISLAND LA TO THE
     SOUTHWEST PASS OF THE MISSISSIPPI RIVER FROM 20 TO 60 NM.

MS...NONE.
GM...SMALL CRAFT ADVISORY UNTIL 6 AM SATURDAY FOR THE FOLLOWING
     ZONES: COASTAL WATERS FROM BOOTHVILLE LA TO THE SOUTHWEST
     PASS OF THE MISSISSIPPI RIVER OUT 20 NM...COASTAL WATERS
     FROM PASCAGOULA MS TO STAKE ISLAND LA FROM 20 TO 60
     NM...COASTAL WATERS FROM PASCAGOULA MS TO STAKE ISLAND LA
     OUT 20 NM...AND COASTAL WATERS FROM STAKE ISLAND LA TO THE
     SOUTHWEST PASS OF THE MISSISSIPPI RIVER FROM 20 TO 60 NM.

&&

$$

24/RR






USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.