547  
FNUS86 KHNX 132203  
FWLHNX  
 
ECCDA DISCUSSIONS  
NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY - HANFORD CA  
303 PM PDT THU AUG 13 2026  
 
ECC019-141615-  
MARIPOSA-  
DISCUSSION FOR MARIPOSA ECC DISPATCH  
303 PM PDT THU AUG 13 2026  
 
THUNDERSTORMS CONTINUE OVER THE SIERRA NEVADA CREST THIS AFTERNOON  
DUE TO A LOW PRESSURE TROUGH DRIVING MOISTURE ACROSS CENTRAL  
CALIFORNIA FROM THE SOUTH-SOUTHWEST. THROUGH THE REMAINDER OF THE  
AFTERNOON AND EVENING, THUNDERSTORM CHANCES WILL GRADUALLY DIMINISH  
AS THE MAIN THREAT PUSHES TOWARDS THE EASTERN SIDE OF THE SIERRA  
CREST. MANY OF THE CURRENT STORMS ARE PROVIDING ENOUGH  
PRECIPITATION TO CLASSIFY AS "WET" THUNDERSTORMS, HOWEVER ANY  
LIGHTNING STRIKE OUTSIDE A STORM CAN START A NEW FIRE, ESPECIALLY  
IF IT OCCURS ON DRY FUELS. THROUGHOUT THE REMAINDER OF THIS WEEK  
AND INTO NEXT WEEK, THUNDERSTORM CHANCES DROP TO AROUND 10% OR  
LESS. TEMPERATURES WILL MAINTAIN IN THE 90S FOR THE LOWER  
ELEVATIONS THROUGH THE NEXT SEVEN DAYS, WITH DESERT TEMPERATURES  
NEARING 100 DEGREES. AS A RESULT, MINRH VALUES ARE EXPECTED AROUND  
30 PERCENT FOR THE SAN JOAQUIN VALLEY, AND IN THE LOW TEEN'S FOR  
THE DESERT. SIERRA RH VALUES WILL BE IN THE 30 TO 40 PERCENT RANGE  
THROUGH THE WEEK.  
 

 
 
ECC021-141615-  
FRESNO-  
DISCUSSION FOR FRESNO ECC DISPATCH  
303 PM PDT THU AUG 13 2026  
 
THUNDERSTORMS CONTINUE OVER THE SIERRA NEVADA CREST THIS AFTERNOON  
DUE TO A LOW PRESSURE TROUGH DRIVING MOISTURE ACROSS CENTRAL  
CALIFORNIA FROM THE SOUTH-SOUTHWEST. THROUGH THE REMAINDER OF THE  
AFTERNOON AND EVENING, THUNDERSTORM CHANCES WILL GRADUALLY DIMINISH  
AS THE MAIN THREAT PUSHES TOWARDS THE EASTERN SIDE OF THE SIERRA  
CREST. MANY OF THE CURRENT STORMS ARE PROVIDING ENOUGH  
PRECIPITATION TO CLASSIFY AS "WET" THUNDERSTORMS, HOWEVER ANY  
LIGHTNING STRIKE OUTSIDE A STORM CAN START A NEW FIRE, ESPECIALLY  
IF IT OCCURS ON DRY FUELS. THROUGHOUT THE REMAINDER OF THIS WEEK  
AND INTO NEXT WEEK, THUNDERSTORM CHANCES DROP TO AROUND 10% OR  
LESS. TEMPERATURES WILL MAINTAIN IN THE 90S FOR THE LOWER  
ELEVATIONS THROUGH THE NEXT SEVEN DAYS, WITH DESERT TEMPERATURES  
NEARING 100 DEGREES. AS A RESULT, MINRH VALUES ARE EXPECTED AROUND  
30 PERCENT FOR THE SAN JOAQUIN VALLEY, AND IN THE LOW TEEN'S FOR  
THE DESERT. SIERRA RH VALUES WILL BE IN THE 30 TO 40 PERCENT RANGE  
THROUGH THE WEEK.  
 

 
 
ECC023-141615-  
VISALIA-  
DISCUSSION FOR VISALIA ECC DISPATCH  
303 PM PDT THU AUG 13 2026  
 
THUNDERSTORMS CONTINUE OVER THE SIERRA NEVADA CREST THIS AFTERNOON  
DUE TO A LOW PRESSURE TROUGH DRIVING MOISTURE ACROSS CENTRAL  
CALIFORNIA FROM THE SOUTH-SOUTHWEST. THROUGH THE REMAINDER OF THE  
AFTERNOON AND EVENING, THUNDERSTORM CHANCES WILL GRADUALLY DIMINISH  
AS THE MAIN THREAT PUSHES TOWARDS THE EASTERN SIDE OF THE SIERRA  
CREST. MANY OF THE CURRENT STORMS ARE PROVIDING ENOUGH  
PRECIPITATION TO CLASSIFY AS "WET" THUNDERSTORMS, HOWEVER ANY  
LIGHTNING STRIKE OUTSIDE A STORM CAN START A NEW FIRE, ESPECIALLY  
IF IT OCCURS ON DRY FUELS. THROUGHOUT THE REMAINDER OF THIS WEEK  
AND INTO NEXT WEEK, THUNDERSTORM CHANCES DROP TO AROUND 10% OR  
LESS. TEMPERATURES WILL MAINTAIN IN THE 90S FOR THE LOWER  
ELEVATIONS THROUGH THE NEXT SEVEN DAYS, WITH DESERT TEMPERATURES  
NEARING 100 DEGREES. AS A RESULT, MINRH VALUES ARE EXPECTED AROUND  
30 PERCENT FOR THE SAN JOAQUIN VALLEY, AND IN THE LOW TEEN'S FOR  
THE DESERT. SIERRA RH VALUES WILL BE IN THE 30 TO 40 PERCENT RANGE  
THROUGH THE WEEK.  
 

 
 
ECC025-141615-  
BAKERSFIELD-  
DISCUSSION FOR BAKERSFIELD ECC DISPATCH  
303 PM PDT THU AUG 13 2026  
 
THUNDERSTORMS CONTINUE OVER THE SIERRA NEVADA CREST THIS AFTERNOON  
DUE TO A LOW PRESSURE TROUGH DRIVING MOISTURE ACROSS CENTRAL  
CALIFORNIA FROM THE SOUTH-SOUTHWEST. THROUGH THE REMAINDER OF THE  
AFTERNOON AND EVENING, THUNDERSTORM CHANCES WILL GRADUALLY DIMINISH  
AS THE MAIN THREAT PUSHES TOWARDS THE EASTERN SIDE OF THE SIERRA  
CREST. MANY OF THE CURRENT STORMS ARE PROVIDING ENOUGH  
PRECIPITATION TO CLASSIFY AS "WET" THUNDERSTORMS, HOWEVER ANY  
LIGHTNING STRIKE OUTSIDE A STORM CAN START A NEW FIRE, ESPECIALLY  
IF IT OCCURS ON DRY FUELS. THROUGHOUT THE REMAINDER OF THIS WEEK  
AND INTO NEXT WEEK, THUNDERSTORM CHANCES DROP TO AROUND 10% OR  
LESS. TEMPERATURES WILL MAINTAIN IN THE 90S FOR THE LOWER  
ELEVATIONS THROUGH THE NEXT SEVEN DAYS, WITH DESERT TEMPERATURES  
NEARING 100 DEGREES. AS A RESULT, MINRH VALUES ARE EXPECTED AROUND  
30 PERCENT FOR THE SAN JOAQUIN VALLEY, AND IN THE LOW TEEN'S FOR  
THE DESERT. SIERRA RH VALUES WILL BE IN THE 30 TO 40 PERCENT RANGE  
THROUGH THE WEEK.  
 

 
 
ECC020-141615-  
YOSEMITE-  
DISCUSSION FOR YOSEMITE ECC DISPATCH  
303 PM PDT THU AUG 13 2026  
 
THUNDERSTORMS CONTINUE OVER THE SIERRA NEVADA CREST THIS AFTERNOON  
DUE TO A LOW PRESSURE TROUGH DRIVING MOISTURE ACROSS CENTRAL  
CALIFORNIA FROM THE SOUTH-SOUTHWEST. THROUGH THE REMAINDER OF THE  
AFTERNOON AND EVENING, THUNDERSTORM CHANCES WILL GRADUALLY DIMINISH  
AS THE MAIN THREAT PUSHES TOWARDS THE EASTERN SIDE OF THE SIERRA  
CREST. MANY OF THE CURRENT STORMS ARE PROVIDING ENOUGH  
PRECIPITATION TO CLASSIFY AS "WET" THUNDERSTORMS, HOWEVER ANY  
LIGHTNING STRIKE OUTSIDE A STORM CAN START A NEW FIRE, ESPECIALLY  
IF IT OCCURS ON DRY FUELS. THROUGHOUT THE REMAINDER OF THIS WEEK  
AND INTO NEXT WEEK, THUNDERSTORM CHANCES DROP TO AROUND 10% OR  
LESS. TEMPERATURES WILL MAINTAIN IN THE 90S FOR THE LOWER  
ELEVATIONS THROUGH THE NEXT SEVEN DAYS, WITH DESERT TEMPERATURES  
NEARING 100 DEGREES. AS A RESULT, MINRH VALUES ARE EXPECTED AROUND  
30 PERCENT FOR THE SAN JOAQUIN VALLEY, AND IN THE LOW TEEN'S FOR  
THE DESERT. SIERRA RH VALUES WILL BE IN THE 30 TO 40 PERCENT RANGE  
THROUGH THE WEEK.  
 

 
 
ECC022-141615-  
ASH MOUNTAIN-  
DISCUSSION FOR ASH MOUNTAIN ECC DISPATCH  
303 PM PDT THU AUG 13 2026  
 
THUNDERSTORMS CONTINUE OVER THE SIERRA NEVADA CREST THIS AFTERNOON  
DUE TO A LOW PRESSURE TROUGH DRIVING MOISTURE ACROSS CENTRAL  
CALIFORNIA FROM THE SOUTH-SOUTHWEST. THROUGH THE REMAINDER OF THE  
AFTERNOON AND EVENING, THUNDERSTORM CHANCES WILL GRADUALLY DIMINISH  
AS THE MAIN THREAT PUSHES TOWARDS THE EASTERN SIDE OF THE SIERRA  
CREST. MANY OF THE CURRENT STORMS ARE PROVIDING ENOUGH  
PRECIPITATION TO CLASSIFY AS "WET" THUNDERSTORMS, HOWEVER ANY  
LIGHTNING STRIKE OUTSIDE A STORM CAN START A NEW FIRE, ESPECIALLY  
IF IT OCCURS ON DRY FUELS. THROUGHOUT THE REMAINDER OF THIS WEEK  
AND INTO NEXT WEEK, THUNDERSTORM CHANCES DROP TO AROUND 10% OR  
LESS. TEMPERATURES WILL MAINTAIN IN THE 90S FOR THE LOWER  
ELEVATIONS THROUGH THE NEXT SEVEN DAYS, WITH DESERT TEMPERATURES  
NEARING 100 DEGREES. AS A RESULT, MINRH VALUES ARE EXPECTED AROUND  
30 PERCENT FOR THE SAN JOAQUIN VALLEY, AND IN THE LOW TEEN'S FOR  
THE DESERT. SIERRA RH VALUES WILL BE IN THE 30 TO 40 PERCENT RANGE  
THROUGH THE WEEK.  
 

 
 
ECC026-141615-  
PORTERVILLE-  
DISCUSSION FOR PORTERVILLE ECC DISPATCH  
303 PM PDT THU AUG 13 2026  
 
THUNDERSTORMS CONTINUE OVER THE SIERRA NEVADA CREST THIS AFTERNOON  
DUE TO A LOW PRESSURE TROUGH DRIVING MOISTURE ACROSS CENTRAL  
CALIFORNIA FROM THE SOUTH-SOUTHWEST. THROUGH THE REMAINDER OF THE  
AFTERNOON AND EVENING, THUNDERSTORM CHANCES WILL GRADUALLY DIMINISH  
AS THE MAIN THREAT PUSHES TOWARDS THE EASTERN SIDE OF THE SIERRA  
CREST. MANY OF THE CURRENT STORMS ARE PROVIDING ENOUGH  
PRECIPITATION TO CLASSIFY AS "WET" THUNDERSTORMS, HOWEVER ANY  
LIGHTNING STRIKE OUTSIDE A STORM CAN START A NEW FIRE, ESPECIALLY  
IF IT OCCURS ON DRY FUELS. THROUGHOUT THE REMAINDER OF THIS WEEK  
AND INTO NEXT WEEK, THUNDERSTORM CHANCES DROP TO AROUND 10% OR  
LESS. TEMPERATURES WILL MAINTAIN IN THE 90S FOR THE LOWER  
ELEVATIONS THROUGH THE NEXT SEVEN DAYS, WITH DESERT TEMPERATURES  
NEARING 100 DEGREES. AS A RESULT, MINRH VALUES ARE EXPECTED AROUND  
30 PERCENT FOR THE SAN JOAQUIN VALLEY, AND IN THE LOW TEEN'S FOR  
THE DESERT. SIERRA RH VALUES WILL BE IN THE 30 TO 40 PERCENT RANGE  
THROUGH THE WEEK.  
 

 
 
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