Area Forecast Discussion Issued by NWS Lake Charles, LA
000
FXUS64 KLCH 222024
AFDLCH
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
324 PM CDT WED MAY 22 2013
.DISCUSSION...A WEAKENING TROUGH DRIFTED INTO THE SOUTHERN HALF OF
THE CWA DURING THIS MORNING, HOWEVER THIS BOUNDARY WILL CONTINUE
TO BECOME MORE DIFFUSE AND DRIFT BACK NORTH THROUGH THIS EVENING
AND TONIGHT. A SHORT WAVE IS ALSO TRAVERSING THE REGION WITH THE
BEST DIVERGENCE PUSHING EAST INTO SE LA AND MS. WITH UPPER
DIVERGENCE DEPARTING, THE MID TO UPPER LVLS DRYING, AND THE
SURFACE BOUNDARY WEAKENING RAIN CHANCES WILL CONTINUE TO DECREASE
THROUGH THE REST OF THE DAY, HOWEVER ENOUGH INSTABILITY AND
MOISTURE WILL REMAIN AROUND INTO THURSDAY THAT A FEW ISOLD SHRA
AND TSRA WILL REMAIN POSSIBLE IN THE AFTERNOON.
FRIDAY A RIDGE OF HIGH PRESSURE WILL MOVE SE ACROSS THE GREAT LAKE
REGION PUSHING A WEAK BACK DOOR FRONT INTO OUR LOCAL AREA. A
SLIGHTLY DRIER AIRMASS WILL FILTER IN FROM THE NE AS THE RIDGE
MOVES TOWARD THE EAST COAST THROUGH THE WEEKEND. A FEW SHOWERS OR
STORMS MAY BE POSSIBLE AS THE WEAK BOUNDARY PASSES, HOWEVER THE
WEEKEND AND INTO THE FIRST PORTIONS OF THE COMING WEEK SHOULD
REMAIN DRY AS A RIDGE AT THE SURFACE AND ALOFT REMAINS IN PLACE.
&&
.MARINE...FAIRLY TRANQUIL MARINE CONDITIONS ARE EXPECTED THROUGH
THE END OF THE WEEK AND INTO THE WEEKEND AS WEAK RIDGING REMAINS
IN PLACE. LATE IN THE WEEKEND AND INTO NEXT WEEK LOW PRESSURE WILL
DEVELOP OVER THE PLAINS WITH A TIGHTENING OF THE PRESSURE GRADIENT
LOCALLY. THIS WILL GRADUALLY INCREASE WINDS ACROSS THE COASTAL
WATERS INTO NEXT WEEK.
&&
.PRELIMINARY POINT TEMPS/POPS...
KLCH 71 89 71 89 69 / 10 20 10 20 10
KBPT 71 88 71 88 70 / 10 20 10 20 10
KAEX 66 91 69 88 63 / 10 20 10 20 10
KLFT 70 89 71 89 67 / 10 20 10 20 10
&&
.LCH WATCHES/WARNINGS/ADVISORIES...
LA...NONE.
TX...NONE.
GM...NONE.
&&
$$