427  
FXUS64 KLCH 051729  
AFDLCH  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE LAKE CHARLES LA  
1229 PM CDT WED AUG 5 2026  
   
..NEW DISCUSSION, AVIATION, MARINE, FIRE WEATHER  
 
   
KEY MESSAGES  
 
- A TYPICAL SUMMER WEATHER PATTERN WILL PREVAIL THROUGH THIS WEEK  
WITH A FEW AFTERNOON THUNDERSTORMS EACH DAY.  
 
- AFTERNOON HIGHS WILL CLIMB INTO THE LOW TO MID 90S EACH DAY  
WITH MAXIMUM HEAT INDICES RANGING FROM 101 TO 109.  
 
 
   
DISCUSSION  
 
(THIS AFTERNOON THROUGH NEXT TUESDAY)  
ISSUED AT 1122 AM CDT WED AUG 5 2026  
 
TYPICAL SUMMER PATTERN LOOKS TO CONTINUE THROUGH OUR DAY-TO-DAY  
FORECAST WITH LITTLE CHANGE EXPECTED. UPPER LEVEL RIDGING IS  
CURRENTLY CENTERED OVER NEW MEXICO AND A WEAK UPPER LEVEL TROUGH  
SITUATED IN THE EASTERN GULF IS LEADING TO VERY WEAK UPPER LEVEL  
FLOW OVER OUR AREA. DIURNALLY DRIVEN SHOWERS WILL PERSIST DAILY  
OVER SECTIONS OF OUR AREA. WEAK UPPER LEVEL FLOW WILL LEAD TO SLOW  
MOVING STORMS, BUT THE AVERAGE PWAT VALUES DAMPEN THE CHANCES FOR  
FLOODING RAINFALL.  
 
A SURFACE HIGH PRESSURE IS SITUATED OVER THE EASTERN GULF IS  
BRINGING LIGHT SOUTHERLY WINDS OVER OUR AREA. CURRENTLY SPORADIC  
STORMS HAVE BEGAN TO INITIATE OVER MUCH OF THE REGION. OUTFLOW  
BOUNDARIES AND CLOUD SHADING WILL LIKELY KEEP HEAT INDICES FROM  
REACHING THE VALUES REQUIRED FOR A HEAT ADVISORY. MODEST DCAPE  
VALUES SUGGEST A SMALL CHANCE FOR LOCALIZED STRONG DOWNDRAFTS IN  
CONVECTION THROUGH THIS AFTERNOON.  
 
SOILEAU  
 
 
   
AVIATION  
 
(18Z TAFS)  
ISSUED AT 1122 AM CDT WED AUG 5 2026  
 
VFR CONDITIONS WILL PREVAIL THROUGH THE TAF PERIOD. SCATTERED,  
DIURNALLY DRIVEN, AFTERNOON STORMS WILL CONTINUE WITH THE HIGHEST  
RISK AT LFT AND ARA. THESE STORMS WILL DISSIPATE BY 00Z THIS  
EVENING WITH SKIES CLEARING OVERNIGHT. ANOTHER ROUND OF SHOWERS  
AND THUNDERSTORMS WILL DEVELOP AFTER 16Z THURSDAY AND CONTINUE  
THROUGH THE AFTERNOON. AWAY FROM STORMS, LIGHT SOUTH SOUTHWESTERLY  
WINDS WILL PREVAIL.  
 
JONES  
 
 
   
MARINE  
 
ISSUED AT 1122 AM CDT WED AUG 5 2026  
 
ONSHORE WINDS ARE FORECAST TO BE 5-8 KTS WITH GUSTS OVER 10 KTS  
POSSIBLE. ISOLATED PULSE STORMS ARE POSSIBLE IN THE AFTERNOONS  
WITH GREATER COVERAGE CLOSER TO THE COAST.  
 
 
   
FIRE WEATHER  
 
ISSUED AT 1122 AM CDT WED AUG 5 2026  
 
KBDI VALUES CONTINUE TO CLIMB. ISOLATED SHOWERS AND THUNDERSTORMS  
ARE EXPECTED EACH AFTERNOON WILL PROVIDE LOCAL RELIEF BUT  
OTHERWISE NO WIDESPREAD RAIN IS EXPECTED. MINIMUM RH VALUES WILL  
BE AROUND 50%.  
 
 
   
LCH WATCHES/WARNINGS/ADVISORIES  
 
LA...NONE.  
TX...NONE.  
GM...NONE.  
 
 
 
 
PUBLIC/FIRE/MARINE...66  
AVIATION...66  
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