000
FXUS64 KLCH 172037
AFDLCH
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
337 PM CDT SAT MAY 17 2008
.SYNOPSIS...
A SHALLOW DOME OF HIGH PRESSURE ACROSS LOUISIANA WILL TRAVEL SOUTH
INTO THE COASTAL WATERS THIS EVENING...REACHING THE SOUTHERN
PERIPHERY OF THE NORTHWEST GULF OF MEXICO (LATITUDE 26 DEGREES) BY
SUNDAY MORNING...THEN SUBSEQUENTLY STALLING OUT.
FURTHER UP...A CUTOFF LOW FOUND ACROSS CENTRAL TEXAS WILL TRANSLATE
EAST THROUGH LOUISIANA ON SUNDAY. ITS ASSOCIATED MIDTROPOSPHERIC
FRONT WILL MOVE TO AN ATLANTA-BEAUMONT LINE BY NOON SUNDAY...EXITING
SOUTHEAST LOUISIANA SUNDAY EVENING.
&&
.DISCUSSION...
THE PINEAPPLE EXPRESS (SHORTWAVES EMANATING OUT OF THE SIERRA MADRE
OCCIDENTAL) WILL BREAKDOWN TONIGHT...GIVING WAY TO GREAT PLAINS
NORTHWESTERLIES (SHORTWAVES EMANATING OUT OF THE COLORADO ROCKIES).
THE TRAVELING MIDTROPOSPHERIC FRONT WILL USHER IN DRIER...MORE
STABLE AIR...CLEARING OUT THE PACIFIC CLOUDS...REMOVING THE RAIN
CHANCES BY MIDMORNING SUNDAY.
FOR TONIGHT...TEMPERATURES WILL BE UNSEASONABLY COOL ONE AGAIN. THE
OVERNIGHT MINIMUMS WILL BE RUNNING ABOUT 5 DEGREES BELOW NORMAL
...DESPITE THE CLOUDY SKIES.
FOR TOMORROW...SKIES WILL CLEAR OUT. THE RELATIVELY UNFILTERED MAY
SUN WILL RAPIDLY HEAT-UP THE GROUND...AFTERNOON TEMPERATURES WILL BE
RUNNING AT OR SLIGHTLY ABOVE NORMAL. THE HUMIDITIES HOWEVER WILL
REMAIN BELOW NORMAL.
&&
.AVIATION...
VFR CEILINGS WILL PREVAIL TONIGHT. BECOMING MOSTLY SUNNY BY
MIDMORNING SUNDAY.
&&
.PRELIMINARY POINT TEMPS/POPS...
KLCH 59 88 66 91 / 20 0 0 0
KBPT 58 88 64 91 / 20 0 0 0
KAEX 57 86 62 92 / 20 0 0 0
KLFT 57 85 67 90 / 20 0 0 0
&&
.LCH WATCHES/WARNINGS/ADVISORIES...
LA...NONE.
TX...NONE.
GM...NONE.
&&
TRARES
$$
