A daily maximum temperature record was set in Stockton.
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.
A daily maximum temperature record was set in Stockton.
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 27, 8:30 PM PST, 3 hours 30 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SACRAMENTO CA 930 PM PDT SAT SEP 27 2008 .DISCUSSION... HIGH PRESSURE OVER THE 4-CORNERS IS FORECAST TO EXPAND NWWD INTO THE PAC NW ON SUN...SPREADING EVEN WARMER AIR FROM THE BACKDOOR...OR FROM E TO W...ACROSS NORCAL. SO AFTER A VERY WARM DAY ON SAT... ANOTHER VERY WARM DAY IS EXPECTED AGAIN ON SUN. TEMPS SHOULD BE NEAR PERSISTENCE...EXCEPT IN THE ERN FOOTHILL/MTN ZONES WHERE THEY MAY BE UP TO 4 DEG WARMER THAN SAT DUE TO THE SYNOPTIC WARMING. CANSAC MM5 WINDS INDICATE A CONTINUATION OF LIGHT NLY FLOW IN THE VLY... PROVIDING SOME ADIABATIC EFFECT. AS HIGH PRESSURE EXPANDS NWWD...THE UPPER LOW VCNTY OF 31N/134W WILL RIDE NWD ALONG THE CA COAST ON THE BACKSIDE OF THE UPPER LEVEL RIDGE THRU TUE. THE FLOW WILL BACK TO THE SE...AND WILL GRADUALLY ENTRAIN MONSOON MOISTURE NWD INTO NORCAL OVER THE NEXT COUPLE OF DAYS. MOISTURE AND INSTABILITY FORECAST TO SPREAD NWD INTO THE SRN PORTION OF OUR ZONE 69 SUN AFTN...AND THEN OVER THE NRN SIERRA ABOUT AS FAR AS THE SRN CASCADES MON AFTN. OUR POP/WX GRIDS ILLUSTRATE THIS SCENARIO. IT WILL LIKELY FEEL A LITTLE MORE HUMID IN OUR AREA MON AFTN DUE TO THE ADVECTION OF MONSOON MOISTURE INCREASING HUMIDITY LEVELS. MAX TEMPS WILL MOSTLY BE NEGATIVELY AFFECTED BY THE AMOUNT OF MOISTURE OR THICKNESS OF CLOUD COVER ON MON...THAN ANY SYNOPTIC COOLING AS THE MODELS INDICATE A LACK OF SIGNIFICANT CHANGES IN THE THERMAL PROFILES. THE FLOW IS FORECAST TO BEGIN TO VEER TO A MORE SLY OR SWLY DIRECTION ON TUE...WITH THE UPPER LEVELS DRYING OUT. THE 27/18Z GFS SHOWS A BAND OF MID LEVEL HUMIDITY NEAR 700 MBS WHICH MAY STILL RESULT IN A FEW THUNDERSTORMS OVER THE SIERNEV TUE AFTN. THE BEST CHANCE MAY BE OVER THE SRN SIERNEV ZONES AS SUBSIDENCE IS FORECAST TO PREVAIL OVER AREAS TO THE N WITHIN THE SHALLOW MOIST LAYER. WE EXPECT THE MARINE LAYER TO EXPAND NWD ALONG THE COAST ON SUN...BUT IT DOES NOT APPEAR THE DELTA BREEZE WILL RE-APPEAR UNTIL MON EVENING OR TUE. JHM .EXTENDED DISCUSSION (WEDNESDAY THROUGH SATURDAY)...RIDGE OF HIGH PRESSURE SHIFTS TO THE EAST WEDNESDAY INTO THURSDAY WITH AN UPPER LEVEL TROUGH OVER THE EASTERN PACIFIC BRINGING COOLER TEMPERATURES. THE MODELS DIFFER A LITTLE ON THE TIMING OF THE RIDGE SHIFTING EAST AND THE DEPTH OF THE TROUGH. THE GFS ENSEMBLE 500MB HEIGHT SPREAD IS ABOUT 50M INDICATING UNCERTAINTY. THE ECMWF IS THE FASTEST AND DEEPEST WITH THE TROUGH ALONG THE CALIFORNIA COAST THURSDAY MORNING. THIS WILL BRING COOLER TEMPERATURES AND A SLIGHT CHANCE OF PRECIPITATION OVER THE HIGHER TERRAIN. THE MODEL DISCREPANCIES GROW FRIDAY INTO SATURDAY WITH THE GFS ENSEMBLE SPREAD INCREASING TO AROUND 65M. FRIDAY AND SATURDAY AFTERNOONS...THE 12Z OPERATIONAL GFS HAS 500MB HEIGHTS AROUND 5780, 5860M AND THE ENSEMBLE MEAN AROUND 5790M, 5770M. THE 12Z OPERATIONAL GFS IS SHOWING THE STRONG HIGH PRESSURE OVER THE EASTERN PACIFIC AND THE ENSEMBLE MEAN STILL SHOWS A TROUGH. THE ECMWF HAS A DEEPER AND A QUICKER TROUGH WITH 500MB HEIGHTS DOWN TO AROUND 5670M AND 5740M OVER INTERIOR NORTHERN CALIFORNIA FRIDAY AND SATURDAY AFTERNOONS, RESPECTIVELY. THE FORECAST GOES WITH A TROUGH AND LEANS TOWARDS THE ENSEMBLES AND NOT QUITE AS DEEP AS THE ECMWF. THIS WILL BRING COOLER TEMPERATURES AND A THREAT OF PRECIPITATION. && .AVIATION... VFR SKC TONIGHT AND SUN...EXCEPT FOR CUMULUS ALONG WITH POSSIBLE ISOLD THUNDERSTORMS OVER THE SIERRA SUN AFTERNOON...MAINLY SOUTH OF HIGHWAY 50. LIGHT WINDS DUE TO WEAK PRESSURE GRADIENTS EXPECTED THRU SUN. && .STO WATCHES/WARNINGS/ADVISORIES...NONE. &&
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SACRAMENTO CA 342 AM PDT SAT SEP 27 2008 CAZ013>019-063-064-066>069-281400- 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- 342 AM PDT SAT SEP 27 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR INTERIOR NORTHERN CALIFORNIA. .DAY ONE...TODAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN... SUNDAY THROUGH FRIDAY AN UPPER LEVEL LOW WILL FORM OFF THE COAST THIS WEEKEND...WITH SOME MOISTURE AND INSTABILITY WORKING NORTH ALONG THE SIERRA SUNDAY AND MONDAY. AS A RESULT...A SLIGHT CHANCE OF AFTERNOON AND EVENING SHOWERS OR THUNDERSTORMS WILL BE POSSIBLE BY MONDAY. A STRONGER TROUGH WILL MOVE INLAND LATE IN THE WEEK POTENTIALLY BRINGING THE FIRST SIGNIFICANT WIDESPREAD RAINFALL OF THE SEASON. THE LATEST WEATHER INFORMATION IS AVAILABLE ON THE INTERNET AT (LOWER CASE): HTTP://WWW.WRH.NOAA.GOV/STO
1 heat. Local standard time, as filed.
A daily maximum temperature record of 98 degrees was tied at Stockton|Airport. The record had been previously reached in 1992.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in California in 2008Every state in 2008This day in weather historyWarnings in California, September 2008
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: 132778.