The Oasis Fire burned in the Cache Creek Wilderness in eastern Lake County.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS STO wrote it up.
The Oasis Fire burned in the Cache Creek Wilderness in eastern Lake County.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Sacramento, CA wrote its last area forecast discussion before the first event at Sep 6, 8:41 PM PST, 3 hours 19 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SACRAMENTO CA 941 PM PDT SUN SEP 6 2009 .DISCUSSION... CURRENT TEMPS RUNNING SEVERAL DEGREES COOLER IN THE VALLEY THAN 24 HOURS AGO...AS WELL AS DEW POINTS RUNNING DRYER THAN 24 HOURS AGO. THIS SHOULD ALLOW FOR MORE VALLEY RADIATIVE COOLING OVERNIGHT...DESPITE OF A WEAKER DELTA BREEZE. FURTHERMORE...THERE IS LESS CLOUD COVERAGE THAN LAST NIGHT...AND MODEL GUIDANCE SUGGESTS COOLER MORNING TEMPS ON MONDAY EVEN THOUGH COOLER AIRMASS RETROGRADES TO PACIFIC OCEAN DURING THIS PERIOD. THIS SEEMS TO BE THE COOLEST NIGHT AS RIDGE OF HIGH PRESSURE STARTS TO BUILD OVER THE REGION ON MONDAY. MODELS INDICATE MONDAYS HIGH TEMPS A FEW DEGREES WARMER THAN WHAT WE CURRENTLY HAVE IN THE NIGHT PACKAGE. THEREFORE...TONIGHTS LOW TEMP AND MONDAYS HIGH TEMP HAVE BEEN ADJUSTED SEVERAL DEGREES TO SHOW A COOLER MORNING FOLLOWED BY WARMER DAYTIME HIGHS ON MONDAY. SURFACE HIGH PRESSURE BEGINS TO BUILD INTO OREGON TONIGHT INCREASING N-S SURFACE PRESSURE GRADIENT OVER INTERIOR NORCAL. HOWEVER UPPER LEVEL FLOW REMAINS WESTERLY UNDER LARGER SCALE TROUGHING. UPPER TROUGH SHIFTS EAST INTO THE GREAT BASIN BY MONDAY AFTERNOON TURNING UPPER WINDS MORE NORTHWESTERLY. THIS WILL PROVIDE A LITTLE BETTER UPPER SUPPORT FOR INCREASING N-S SURFACE PRESSURE GRADIENT MONDAY NIGHT INTO TUES. AS A RESULT SOME LOCALLY GUSTY NORTH TO EAST WIND POSSIBLE OVER THE NORTHERN MOUNTAINS AND SIERRA NEVADA FOOTHILLS/WEST SLOPES LATE MONDAY INTO TUESDAY MORNING. AIR MASS BEGINS TO WARM MONDAY WITH VALLEY HIGHS EXPECTED TO BE IN THE UPPER 80S TO LOWER 90S WITH 70S TO 80S IN THE FOOTHILLS AND MOUNTAINS. PACIFIC RIDGING SHIFTS INLAND TUE THEN HIGH PRESSURE FROM THE DESERT SOUTHWEST EXPANDS NORTHWESTWARD AND BUILDS ALONG THE WEST COAST WED INTO FRI. WARMING TREND THROUGH REMAINDER OF NEXT WEEK WITH ABOVE NORMAL TEMPS FROM TUE ON. HOT TEMPERATURES IN STORE THIS WEEK AT LEAST THROUGH SATURDAY AS MANY VALLEY TEMPERATURES WARM TO AROUND 100 DEGREES THURSDAY THROUGH SATURDAY. FG/RB && .AVIATION... GENERALLY VFR CONDITIONS EXPECTED THE NEXT 24 HOURS FOR NORTHERN CALIFORNIA. LCL TO AREAS OF IFR CIGS IN BAY AREA OVERNIGHT THROUGH AROUND 17Z. && .STO WATCHES/WARNINGS/ADVISORIES...NONE. &&
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SACRAMENTO CA 411 AM PDT SUN SEP 6 2009 CAZ013>019-063-064-066>069-071400- SHASTA LAKE AREA/NORTHERN SHASTA COUNTY- BURNEY BASIN/EASTERN SHASTA COUNTY-NORTHERN SACRAMENTO VALLEY- CENTRAL SACRAMENTO VALLEY-SOUTHERN SACRAMENTO VALLEY- CARQUINEZ STRAIT AND DELTA-NORTHERN SAN JOAQUIN VALLEY- MOUNTAINS SOUTHWESTERN SHASTA TO NORTHERN LAKE COUNTIES- CLEAR LAKE/SOUTHERN LAKE COUNTY-MOTHERLODE- EAST FOOTHILLS/NORTH SACRAMENTO VALLEY- WESTERN PLUMAS COUNTY/LASSEN PARK-WEST SLOPE NORTHERN SIERRA NEVADA- 411 AM PDT SUN SEP 6 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR INTERIOR NORTHERN CALIFORNIA. .DAY ONE...TODAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN... MONDAY THROUGH SATURDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. THE LATEST WEATHER INFORMATION IS AVAILABLE ON THE INTERNET AT (LOWER CASE): HTTP://WWW.WRH.NOAA.GOV/STO
1 wildfire. Local standard time, as filed.
The Oasis Fire burned 1575 acres in the Cache Creek Wilderness in eastern Lake County. There were 4 firefighters injured, but no structures damaged or destroyed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in California in 2009Every state in 2009This day in weather historyWarnings in California, September 2009
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 198197.