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Alert Archives for All California Counties
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24 total alerts issued on this day

Updates Every 15 Minutes
Spacer GifLast Update:August 31, 2026 - 7:00 am PDT
Lassen County   3 alerts
FWA.gif   FIRE WEATHER WATCH  
The National Weather Service in Reno has issued a Fire Weather
  Areas affected: Surprise Valley California; Eastern Lassen County; Northern Sierra Front - Carson City/Douglas/Storey/Southern Washoe/Eastern Lyon/Far Southern Lassen Counties; Northern Washoe County
Effective: Aug 30 9:19 am Expired: Aug 31 2:00 pm Duration: 1 day   4 hrs   41 mins  
FWW.gif   RED FLAG WARNING   (2 updates)
The National Weather Service in Reno has issued a Red Flag
  Areas affected: Surprise Valley California; Eastern Lassen County; Northern Washoe County
Effective: Aug 31 11:42 am Expired: Sep 1 9:00 am Duration: 21 hrs   18 mins  
The National Weather Service in Reno has issued a Red Flag
  Areas affected: Northern Sierra Front - Carson City/Douglas/Storey/Southern Washoe/Eastern Lyon/Far Southern Lassen Counties
Effective: Aug 31 11:42 am Expired: Sep 1 9:00 am Duration: 21 hrs   18 mins  
LWY.gif   LAKE WIND ADVISORY  
  Areas affected: Lassen-Eastern Plumas-Eastern Sierra Counties; Greater Lake Tahoe Area; Greater Lake Tahoe Area; Greater Reno-Carson City-Minden Area; Western Nevada Basin and Range including Pyramid Lake
Effective: Aug 31 1:21 pm Expired: Sep 1 8:00 pm Duration: 1 day   6 hrs   39 mins  
Modoc County   3 alerts
FWA.gif   FIRE WEATHER WATCH  
The National Weather Service in Reno has issued a Fire Weather
  Areas affected: Surprise Valley California; Eastern Lassen County; Northern Sierra Front - Carson City/Douglas/Storey/Southern Washoe/Eastern Lyon/Far Southern Lassen Counties; Northern Washoe County
Effective: Aug 30 9:19 am Expired: Aug 31 2:00 pm Duration: 1 day   4 hrs   41 mins  
FWW.gif   RED FLAG WARNING   (4 updates)
The National Weather Service in Medford has issued a Red Flag
  Areas affected: Western Klamath National Forest; Central Siskiyou County Including Shasta Valley; Siskiyou County from the Cascade Mountains East and South to Mt Shasta; Modoc County Except for the Surprise Valley; Klamath Basin and the Fremont-Winema National Forest
Effective: Aug 30 12:56 pm Expired: Aug 31 7:00 am Duration: 18 hrs   04 mins  
  Areas affected: Western Klamath National Forest; Central Siskiyou County Including Shasta Valley; Siskiyou County from the Cascade Mountains East and South to Mt Shasta; Modoc County Except for the Surprise Valley; Klamath Basin and the Fremont-Winema National Forest
Effective: Aug 31 4:39 am Expired: Aug 31 4:45 pm Duration: 12 hrs   06 mins  
The National Weather Service in Reno has issued a Red Flag
  Areas affected: Surprise Valley California; Eastern Lassen County; Northern Washoe County
Effective: Aug 31 11:42 am Expired: Sep 1 9:00 am Duration: 21 hrs   18 mins  
  Areas affected: Western Klamath National Forest; Central Siskiyou County Including Shasta Valley; Siskiyou County from the Cascade Mountains East and South to Mt Shasta; Modoc County Except for the Surprise Valley; Klamath Basin and the Fremont-Winema National Forest
Effective: Aug 31 12:30 pm Expired: Aug 31 8:00 pm Duration: 7 hrs   30 mins  
FRY.gif   FROST ADVISORY  
  Areas affected: Modoc County; Klamath Basin; Northern and Eastern Klamath County and Western Lake County; Central and Eastern Lake County
Effective: Aug 31 12:19 pm Expired: Sep 1 4:00 am Duration: 15 hrs   41 mins  
Sierra County   3 alerts
FWA.gif   FIRE WEATHER WATCH  
The National Weather Service in Reno has issued a Fire Weather
  Areas affected: Surprise Valley California; Eastern Lassen County; Northern Sierra Front - Carson City/Douglas/Storey/Southern Washoe/Eastern Lyon/Far Southern Lassen Counties; Northern Washoe County
Effective: Aug 30 9:19 am Expired: Aug 31 2:00 pm Duration: 1 day   4 hrs   41 mins  
FWW.gif   RED FLAG WARNING  
The National Weather Service in Reno has issued a Red Flag
  Areas affected: Northern Sierra Front - Carson City/Douglas/Storey/Southern Washoe/Eastern Lyon/Far Southern Lassen Counties
Effective: Aug 31 11:42 am Expired: Sep 1 9:00 am Duration: 21 hrs   18 mins  
LWY.gif   LAKE WIND ADVISORY  
  Areas affected: Lassen-Eastern Plumas-Eastern Sierra Counties; Greater Lake Tahoe Area; Greater Lake Tahoe Area; Greater Reno-Carson City-Minden Area; Western Nevada Basin and Range including Pyramid Lake
Effective: Aug 31 1:21 pm Expired: Sep 1 8:00 pm Duration: 1 day   6 hrs   39 mins  
Siskiyou County
FWW.gif   RED FLAG WARNING   (3 updates)
The National Weather Service in Medford has issued a Red Flag
  Areas affected: Western Klamath National Forest; Central Siskiyou County Including Shasta Valley; Siskiyou County from the Cascade Mountains East and South to Mt Shasta; Modoc County Except for the Surprise Valley; Klamath Basin and the Fremont-Winema National Forest
Effective: Aug 30 12:56 pm Expired: Aug 31 7:00 am Duration: 18 hrs   04 mins  
  Areas affected: Western Klamath National Forest; Central Siskiyou County Including Shasta Valley; Siskiyou County from the Cascade Mountains East and South to Mt Shasta; Modoc County Except for the Surprise Valley; Klamath Basin and the Fremont-Winema National Forest
Effective: Aug 31 4:39 am Expired: Aug 31 4:45 pm Duration: 12 hrs   06 mins  
  Areas affected: Western Klamath National Forest; Central Siskiyou County Including Shasta Valley; Siskiyou County from the Cascade Mountains East and South to Mt Shasta; Modoc County Except for the Surprise Valley; Klamath Basin and the Fremont-Winema National Forest
Effective: Aug 31 12:30 pm Expired: Aug 31 8:00 pm Duration: 7 hrs   30 mins  
Ventura County
SPS.gif   BEACH HAZARDS STATEMENT  
  Areas affected: Ventura County Beaches; Malibu Coast; Los Angeles County Beaches
Effective: Aug 30 1:16 pm Expired: Aug 31 3:00 pm Duration: 1 day   1 hr   44 mins  
El Dorado County
LWY.gif   LAKE WIND ADVISORY  
  Areas affected: Lassen-Eastern Plumas-Eastern Sierra Counties; Greater Lake Tahoe Area; Greater Lake Tahoe Area; Greater Reno-Carson City-Minden Area; Western Nevada Basin and Range including Pyramid Lake
Effective: Aug 31 1:21 pm Expired: Sep 1 8:00 pm Duration: 1 day   6 hrs   39 mins  
Placer County
LWY.gif   LAKE WIND ADVISORY  
  Areas affected: Lassen-Eastern Plumas-Eastern Sierra Counties; Greater Lake Tahoe Area; Greater Lake Tahoe Area; Greater Reno-Carson City-Minden Area; Western Nevada Basin and Range including Pyramid Lake
Effective: Aug 31 1:21 pm Expired: Sep 1 8:00 pm Duration: 1 day   6 hrs   39 mins  
Nevada County
LWY.gif   LAKE WIND ADVISORY  
  Areas affected: Lassen-Eastern Plumas-Eastern Sierra Counties; Greater Lake Tahoe Area; Greater Lake Tahoe Area; Greater Reno-Carson City-Minden Area; Western Nevada Basin and Range including Pyramid Lake
Effective: Aug 31 1:21 pm Expired: Sep 1 8:00 pm Duration: 1 day   6 hrs   39 mins  
Plumas County
LWY.gif   LAKE WIND ADVISORY  
  Areas affected: Lassen-Eastern Plumas-Eastern Sierra Counties; Greater Lake Tahoe Area; Greater Lake Tahoe Area; Greater Reno-Carson City-Minden Area; Western Nevada Basin and Range including Pyramid Lake
Effective: Aug 31 1:21 pm Expired: Sep 1 8:00 pm Duration: 1 day   6 hrs   39 mins  
Alpine County
LWY.gif   LAKE WIND ADVISORY  
  Areas affected: Lassen-Eastern Plumas-Eastern Sierra Counties; Greater Lake Tahoe Area; Greater Lake Tahoe Area; Greater Reno-Carson City-Minden Area; Western Nevada Basin and Range including Pyramid Lake
Effective: Aug 31 1:21 pm Expired: Sep 1 8:00 pm Duration: 1 day   6 hrs   39 mins  
Imperial County
SWA.gif   DUST ADVISORY   (2 updates)
The National Weather Service in Phoenix has issued a
  Areas affected: La Paz, AZ; Yuma, AZ; Imperial, CA
Effective: Aug 31 3:19 pm Expired: Aug 31 4:15 pm Duration: 0 hrs   56 mins  
At 343 PM MST/343 PM PDT/, a wall of dust was along a line extending
  Areas affected: La Paz, AZ; Yuma, AZ; Imperial, CA
Effective: Aug 31 3:44 pm Expired: Aug 31 4:15 pm Duration: 0 hrs   31 mins  


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