Area Forecast Discussion Issued by NWS Lake Charles, LA
000
FXUS64 KLCH 170401
AFDLCH
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1101 PM CDT SUN JUN 16 2013
.UPDATE...LOCAL RADAR ABSENT OF ANY PRECIP OVER THE FORECAST AREA.
REGIONAL MOSAIC SHOWING THE NEAREST ACTIVITY OVER SW ARKANSAS...SE
OKLAHOMA...AND EDGING INTO NORTHEAST TEXAS. SOUTHEAST ADVANCING
CONVECTION SHOWING A WEAKENING AT THIS TIME WITH WARMING CLOUD
TOPS AND DIMINISHED LIGHTNING AS IT MOVES INTO AREA OF LESS
INSTABILITY AND DECREASED SHEAR. DO NOT SEE ANY OVERNIGHT
POTENTIAL FOR THIS COMPLEX TO REACH THE FORECAST AREA. CURRENT
FORECAST LOOKS GOOD AND NO UPDATE WILL BE REQUIRED TONIGHT.
&&
MARCOTTE
&&
.PREV DISCUSSION... /ISSUED 326 PM CDT SUN JUN 16 2013/
SYNOPSIS...
THE BERMUDA HIGH PRESSURE SYSTEM RIDGES WESTWARD THROUGH CENTRAL
FLORIDA AND INTO THE GULF OF MEXICO
FURTHER UP...A DOME OF HIGH PRESSURE IS FOUND ACROSS DESERT OLD
MEXICO. A WEAK TROUGH MARKS THE OUTER EASTERN PERIPHERY OF DOME
..EXTENDING THROUGH THE COASTAL TEXAS PLAINS TO SHREVEPORT.
DISCUSSION...
DRY AIR WILL CONTINUE TO INTRUDE THE MIDTROPOSPHERE...
EXTINGUISHING THE BULK OF AFTERNOON CONVECTIVE PLUMES LOFTING OFF
THE HEATED GROUND.
THE SLIGHTLY-ABOVE-NORMAL TREND IN TEMPERATURES WILL PERSIST. THE
AFTERNOON HUMIDITIES WILL BE RUNNING SLIGHTLY ABOVE NORMAL.
OUTLOOK...
THE MEXICAN DOME OF HIGH PRESSURE WILL BUILD NORTHWARD INTO THE GREAT
PLAINS...SETTING UP AN OKLAHOMA TO LOUISIANA WAVEGUIDE ON TUESDAY.
SHORTWAVES WILL FORM OVER THE COLORADO FRONT RANGE BEFORE TRAVELING
THROUGH THE WAVEGUIDE.
SCATTERED AFTERNOON SHOWERS AND THUNDERSTORMS ARE POSSIBLE TUESDAY
AND WEDNESDAY. THE MAJORITY OF THE CONVECTIVE ACTIVITY WILL BE
NORTH OF THE I-10 CORRIDOR.
&&
.PRELIMINARY POINT TEMPS/POPS...
KLCH 77 90 76 90 75 / 10 10 10 20 10
KBPT 75 90 76 91 75 / 10 10 10 10 10
KAEX 73 91 73 90 72 / 10 10 10 30 20
KLFT 75 91 75 91 75 / 10 10 10 20 10
&&
.LCH WATCHES/WARNINGS/ADVISORIES...
LA...NONE.
TX...NONE.
GM...NONE.
&&
$$