235  
FXUS64 KLCH 280459  
AFDLCH  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE LAKE CHARLES LA  
1159 PM CDT SAT MAY 27 2017  
   
DISCUSSION
 
 
FOR THE 05/28/17 0600 UTC TAF PACKAGE.  
 

 
   
AVIATION
 
 
NO MAJOR CHANGES FROM THE 00Z FORECAST REASONING. MVFR CIGS HAVE  
OVERSPREAD THE AREA AS EXPECTED, WITH A SPORADIC IFR OB OR TWO JUST  
BELOW 1K FT REPORTED. MVFR EXPECTED TO PREVAIL THROUGH THE  
OVERNIGHT HOURS.  
 
13  
 

 
   
PREV DISCUSSION
 
/ISSUED 922 PM CDT SAT MAY 27 2017/  
 
UPDATE...  
A VERY WARM, HUMID NIGHT UNDERWAY. WITH DEWPOINTS IN THE MID TO  
UPPER 70'S AREA WIDE, TEMPERATURES WILL FALL LITTLE FROM PRESENT  
VALUES. ONLY CHANGES TO THE FORECAST OVERNIGHT WERE MINOR TWEAKS  
TO DEWPOINTS AND SKY COVER. THE REST OF THE FORECAST IS IN GOOD  
SHAPE.  
 
JONES  
 
PREV DISCUSSION... /ISSUED 718 PM CDT SAT MAY 27 2017/  
 
DISCUSSION...  
FOR THE 5/28/17 0000 UTC TAF PACKAGE.  
 
AVIATION...  
PREVAILING MVFR CIGS ALREADY DEVELOPING AND/OR CONTINUING AT THE  
COASTAL SITES EARLY THIS EVENING, WITH THESE LOWER CIGS EXPECTED  
TO SPREAD INLAND THROUGH THE REST OF THE EVENING. COULD SEE SOME  
IFR CIGS AS WELL BASED ON LATEST NUMERICAL GUIDANCE AND MODEL  
DATA, BUT HAVE LEFT THIS OUT FOR THE TIME BEING AND WILL CONTINUE  
TO MONITOR OBS/TRENDS THROUGH THE EVENING. WINDS ARE EXPECTED TO  
BE GENERALLY LIGHT AND FROM THE SOUTH. CIGS WILL BE SLOW TO  
IMPROVE AGAIN TOMORROW AMID A VERY MOIST AIRMASS IN THE LOWEST FEW  
THOUSAND FEET TRAPPED BENEATH A WARM AND DRY LAYER ALOFT.  
 
13  
 
PREV DISCUSSION... /ISSUED 421 PM CDT SAT MAY 27 2017/  
 
DISCUSSION...  
CLOUDS FINALLY BROKE THIS AFTERNOON AS TEMPS HAVE CLIMBED INTO THE  
MID TO UPPER 80S...AS THE WINDS FINALLY BROKE. LOOKING FOR CLOUDS  
TO REDEVELOP OVERNIGHT. WITH SOUTHERLY WINDS AND AFTERNOON DEW  
POINTS IN THE MID 70S... MORNING LOWS ARE PROG TO DROP INTO THE  
MID TO UPPER 70S.  
 
TMRW WILL SEE THE FRONT OVER THE MIDWEST BEGIN TO MAKE ITS WAY  
DOWN INTO THE REGION. LOOKING FOR SCATTERED SHOWERS AND  
THUNDERSTORMS SUNDAY AFTERNOON AND INCREASING INTO MONDAY AND  
TUESDAY AS THE NEXT FRONT LOOKS TO STALL ALONG THE I-10 CORRIDOR.  
AS A RESULT TEMPS WILL BE A BIT COOLER FROM AREA RAINS. BY MIDWEEK  
THOUGH ANOTHER FRONT LOOKS TO DROP DOWN INTO THE SOUTHERN  
STATES... ALTHOUGH THIS NEXT FRONT LOOKS TO WASHOUT IT WILL HELP  
THE BOUNDARY THAT WILL BE IN PLACE AND THEREFORE RAIN CHANCES  
CONTINUE BUT THE COVERAGE IS EXPECTED TO DIMINISH BUT WILL  
CONTINUE THROUGH THE REST OF THE WORK WEEK.  
 
19  
 

 
   
PRELIMINARY POINT TEMPS/POPS
 
 
AEX 75 90 70 81 / 10 30 60 70  
LCH 77 88 73 82 / 10 20 60 70  
LFT 76 88 73 82 / 10 20 40 70  
BPT 77 87 73 81 / 10 20 60 70  
 

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

 
 

 
 
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