FNUS86 KHNX 211202

FWLHNX



ECCDA DISCUSSIONS

NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY - HANFORD CA

502 AM PDT MON SEP 21 2026



ECC019-220615-

MARIPOSA-

DISCUSSION FOR MARIPOSA ECC DISPATCH

502 AM PDT MON SEP 21 2026





TEMPERATURES LOWER TODAY AS A LOW PRESSURE SYSTEM PASSES OVER THE 

AREA. MIN RH (MINIMUM RELATIVE HUMIDITY) WILL IMPROVE TODAY INTO

TUESDAY WITH THE LOWERING TEMPERATURES. FOR THIS AFTERNOON AND

EVENING, THERE WILL BE A 10-20% CHANCE OF THUNDERSTORMS IN THE

SIERRA NEVADA. AFTERWARD, ANOTHER WARMUP BRINGS TEMPERATURES TO

SEVERAL DEGREES ABOVE AVERAGE ON WEDNESDAY UNTIL FRIDAY. MINRHS WILL

SLIGHTLY LOWER AS A RESULT OF THE WARMUP. WINDS WILL LARGELY REMAIN

LIGHT AND TERRAIN-DRIVEN.





$$



ECC021-220615-

FRESNO-

DISCUSSION FOR FRESNO ECC DISPATCH

502 AM PDT MON SEP 21 2026





TEMPERATURES LOWER TODAY AS A LOW PRESSURE SYSTEM PASSES OVER THE 

AREA. MIN RH (MINIMUM RELATIVE HUMIDITY) WILL IMPROVE TODAY INTO

TUESDAY WITH THE LOWERING TEMPERATURES. FOR THIS AFTERNOON AND

EVENING, THERE WILL BE A 10-20% CHANCE OF THUNDERSTORMS IN THE

SIERRA NEVADA. AFTERWARD, ANOTHER WARMUP BRINGS TEMPERATURES TO

SEVERAL DEGREES ABOVE AVERAGE ON WEDNESDAY UNTIL FRIDAY. MIN RHS 

WILL SLIGHTLY LOWER AS A RESULT OF THE WARMUP. WINDS WILL LARGELY 

REMAIN LIGHT AND TERRAIN-DRIVEN.





$$



ECC023-220615-

VISALIA-

DISCUSSION FOR VISALIA ECC DISPATCH

502 AM PDT MON SEP 21 2026





TEMPERATURES LOWER TODAY AS A LOW PRESSURE SYSTEM PASSES OVER THE 

AREA. MIN RH (MINIMUM RELATIVE HUMIDITY) WILL IMPROVE TODAY INTO

TUESDAY WITH THE LOWERING TEMPERATURES. FOR THIS AFTERNOON AND

EVENING, THERE WILL BE A 10-20% CHANCE OF THUNDERSTORMS IN THE

SIERRA NEVADA. AFTERWARD, ANOTHER WARMUP BRINGS TEMPERATURES TO

SEVERAL DEGREES ABOVE AVERAGE ON WEDNESDAY UNTIL FRIDAY. MIN RHS 

WILL SLIGHTLY LOWER AS A RESULT OF THE WARMUP. WINDS WILL LARGELY 

REMAIN LIGHT AND TERRAIN-DRIVEN.





$$



ECC025-220615-

BAKERSFIELD-

DISCUSSION FOR BAKERSFIELD ECC DISPATCH

502 AM PDT MON SEP 21 2026





TEMPERATURES LOWER TODAY AS A LOW PRESSURE SYSTEM PASSES OVER THE 

AREA. MIN RH (MINIMUM RELATIVE HUMIDITY) WILL IMPROVE TODAY INTO

TUESDAY WITH THE LOWERING TEMPERATURES. FOR THIS AFTERNOON AND

EVENING, THERE WILL BE A 10-20% CHANCE OF THUNDERSTORMS IN THE

SIERRA NEVADA. AFTERWARD, ANOTHER WARMUP BRINGS TEMPERATURES TO

SEVERAL DEGREES ABOVE AVERAGE ON WEDNESDAY UNTIL FRIDAY. MIN RHS 

WILL SLIGHTLY LOWER AS A RESULT OF THE WARMUP. WINDS WILL LARGELY 

REMAIN LIGHT AND TERRAIN-DRIVEN.



$$



ECC020-220615-

YOSEMITE-

DISCUSSION FOR YOSEMITE ECC DISPATCH

502 AM PDT MON SEP 21 2026





TEMPERATURES LOWER TODAY AS A LOW PRESSURE SYSTEM PASSES OVER THE 

AREA. MIN RH (MINIMUM RELATIVE HUMIDITY) WILL IMPROVE TODAY INTO

TUESDAY WITH THE LOWERING TEMPERATURES. FOR THIS AFTERNOON AND

EVENING, THERE WILL BE A 10-15% CHANCE OF THUNDERSTORMS. 

AFTERWARD, ANOTHER WARMUP BRINGS TEMPERATURES TO SEVERAL DEGREES 

ABOVE AVERAGE ON WEDNESDAY UNTIL FRIDAY. MIN RHS WILL SLIGHTLY 

LOWER AS A RESULT OF THE WARMUP. WINDS WILL LARGELY REMAIN LIGHT 

AND TERRAIN-DRIVEN.





$$



ECC022-220615-

ASH MOUNTAIN-

DISCUSSION FOR ASH MOUNTAIN ECC DISPATCH

502 AM PDT MON SEP 21 2026





TEMPERATURES LOWER TODAY AS A LOW PRESSURE SYSTEM PASSES OVER THE 

AREA. MIN RH (MINIMUM RELATIVE HUMIDITY) WILL IMPROVE TODAY INTO

TUESDAY WITH THE LOWERING TEMPERATURES. FOR THIS AFTERNOON AND

EVENING, THERE WILL BE A 10-20% CHANCE OF THUNDERSTORMS IN THE

SIERRA NEVADA. AFTERWARD, ANOTHER WARMUP BRINGS TEMPERATURES TO

SEVERAL DEGREES ABOVE AVERAGE ON WEDNESDAY UNTIL FRIDAY. MIN RHS 

WILL SLIGHTLY LOWER AS A RESULT OF THE WARMUP. WINDS WILL LARGELY 

REMAIN LIGHT AND TERRAIN-DRIVEN.





$$



ECC026-220615-

PORTERVILLE-

DISCUSSION FOR PORTERVILLE ECC DISPATCH

502 AM PDT MON SEP 21 2026





TEMPERATURES LOWER TODAY AS A LOW PRESSURE SYSTEM PASSES OVER THE 

AREA. MIN RH (MINIMUM RELATIVE HUMIDITY) WILL IMPROVE TODAY INTO

TUESDAY WITH THE LOWERING TEMPERATURES. FOR THIS AFTERNOON AND

EVENING, THERE WILL BE A 10-20% CHANCE OF THUNDERSTORMS IN THE

SIERRA NEVADA. AFTERWARD, ANOTHER WARMUP BRINGS TEMPERATURES TO

SEVERAL DEGREES ABOVE AVERAGE ON WEDNESDAY UNTIL FRIDAY. MIN RHS 

WILL SLIGHTLY LOWER AS A RESULT OF THE WARMUP. WINDS WILL LARGELY 

REMAIN LIGHT AND TERRAIN-DRIVEN.





$$