480  
FNUS86 KMFR 182141  
FWLMFR  
 
ECCDA DISCUSSIONS FOR YREKA AND MODOC CALIFORNIA DISPATCH AREAS  
NATIONAL WEATHER SERVICE MEDFORD OR  
241 PM PDT THU SEP 18 2025  
 
ECC002-191545-  
WEST YREKA-  
DISCUSSION FOR WESTERN KLAMATH  
241 PM PDT THU SEP 18 2025  
 
A SURGE OF SUB-TROPICAL MOISTURE COULD BRING ISOLATED THUNDERSTORMS  
THIS AFTERNOON AND EVENING. THE BROAD AREA OF MOISTURE COULD  
BRING SHOWERS AND ISOLATED THUNDERSTORMS AGAIN IN NORCAL FRIDAY  
INTO SATURDAY. ON SUNDAY, A DRY COLD FRONT WILL MOVE THROUGH  
PERHAPS WITH SOME BREEZY AFTERNOON WINDS. BY MONDAY AND TUESDAY,  
AN UPPER RIDGE RETURNS WITH A WARM-UP, BUT WITH CHILLY MORNINGS.  
STEEP INVERSIONS WITH BREEZY EAST WINDS AT THE RIDGES COULD  
DEVELOP TOO.  
 

 
 
ECC102-191545-  
EAST YREKA-  
DISCUSSION FOR EASTERN KLAMATH  
241 PM PDT THU SEP 18 2025  
 
A SURGE OF SUB-TROPICAL MOISTURE COULD BRING AN ISOLATED SHOWER OR  
THUNDERSTORM THIS AFTERNOON AND EVENING. THE BROAD AREA OF  
MOISTURE COULD BRING SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS  
AGAIN IN NORCAL FRIDAY INTO SATURDAY. ON SUNDAY, A DRY COLD FRONT  
WILL MOVE THROUGH PERHAPS WITH SOME BREEZY AFTERNOON WINDS. BY  
MONDAY AND TUESDAY, AN UPPER RIDGE RETURNS WITH A WARM-UP, BUT  
WITH CHILLY MORNINGS. STEEP INVERSIONS WITH BREEZY EAST WINDS AT  
THE RIDGES COULD DEVELOP TOO.  
 

 
 
ECC003-191545-  
ALTURAS-  
DISCUSSION FOR MODOC  
241 PM PDT THU SEP 18 2025  
 
MAINLY DRY WEATHER IS EXPECTED TONIGHT, WITH ANY PRECIP LIKELY  
STAYING OFF TO THE WEST. A BROAD AREA OF MOISTURE COULD BRING  
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS IN NORCAL FRIDAY  
INTO SATURDAY. ON SUNDAY, A DRY COLD FRONT WILL MOVE THROUGH  
WITH SOME GUSTY AFTERNOON WEST WINDS. BY MONDAY AND TUESDAY, AN  
UPPER RIDGE RETURNS WITH A WARM-UP, BUT WITH CHILLY MORNINGS.  
STEEP INVERSIONS WITH BREEZY EAST WINDS AT THE RIDGES COULD  
DEVELOP TOO.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab OR Page
The Nexlab CA Page Main Text Page