298  
FXUS64 KLCH 230434  
AFDLCH  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE LAKE CHARLES LA  
1134 PM CDT FRI SEP 22 2017  
   
AVIATION
 
WILL MAKE NO MENTION OF PRECIP IN THIS TAF PACKAGE AS  
HIGH PRESSURE AND INCREASINGLY DRIER AIR SETTLES OVER THE REGION.  
WILL BE LOOKING FOR CLEAR TO MOSTLY CLEAR SKIES AND VFR. EXCEPTION  
TO THIS WILL BE THE POTENTIAL FOR VISIBILITY RESTRICTIONS WITH THE  
DEVELOPMENT OF RADIATIONAL FOG AS THE NIGHT PROGRESSES.  
 

 
   
PREV DISCUSSION
 
/ISSUED 1004 PM CDT FRI SEP 22 2017/  
 
DISCUSSION...  
ONLY CHANGE WAS TO INTRODUCE PATCHY FOG AWAY FROM THE COAST, WITH  
THE COMBINATION OF LIGHT BOUNDARY LAYER WINDS AND A MOSTLY CLEAR  
SKY LIKELY TO YIELD ANOTHER ROUND OF OVERNIGHT/EARLY MORNING  
DEVELOPMENT. REMAINDER OF FORECAST IS ON TARGET.  
 
13  
 
PREV DISCUSSION... /ISSUED 656 PM CDT FRI SEP 22 2017/  
 
AVIATION...ISOLATED SHOWERS AND THUNDERSTORMS OVER THE SOUTHERN  
PORTION OF THE FORECAST AREA ARE DIMINISHING. WILL MAINTAIN  
VCSH AT BPT, LCH, ARA AND LFT THROUGH 02Z. OTHERWISE VFR EXPECTED  
OVERNIGHT WITH THE POTENTIAL FOR SOME FOG DEVELOPMENT LATE.  
 
23  
 
PREV DISCUSSION... /ISSUED 357 PM CDT FRI SEP 22 2017/  
 
DISCUSSION...  
A FEW SHOWERS AND THUNDERSTORMS HAVE DEVELOPED ALONG THE C-BRZ  
BNDRY THIS AFTN. STORMS TO LINGER FOR A FEW MORE HRS BEFORE  
FALLING APART. LOOKING AT PTCLDY SKIES OVRNGHT W/ A BIT OF FOG  
TWRDS SR. THIS WILL BURN OFF QUICKLY W/ SKIES BECMG MSTLY CLR.  
AGAIN THE C-BRZ WILL KICK OFF AFTN STORMS W/ THIS PATTERN CONTG  
INTO SUNDAY.  
 
WE LOOK TO REMAIN IN THIS PERSISTENT PATTERN INTO THE COMING  
WEEK AS HIGH PRESSURE ALOFT HOLDS STORMS IN CHECK. OTHERWISE...  
HIGH PRESSURE FINALLY GETS PUSHED OUT LATE IN THE WEEK W/ SOME  
INDICATIONS THAT A COOL FRONT MOVES THROUGH TWRDS FRIDAY AFTN.  
 
19  
 

 
   
PRELIMINARY POINT TEMPS/POPS
 
 
AEX 71 93 71 91 / 10 20 10 30  
LCH 73 91 73 89 / 10 20 10 30  
LFT 73 92 72 90 / 10 20 10 40  
BPT 73 91 74 89 / 10 20 10 30  
 

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

 
 

 
 
AVIATION...23  
 
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