High pressure over California resulted in hot conditions in the northern Sacramento Valley.
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.
High pressure over California resulted in hot conditions in the northern Sacramento Valley.
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 Aug 22, 8:20 PM PST, 3 hours 40 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SACRAMENTO CA 920 PM PDT WED AUG 22 2007 .DISCUSSION... THIS EVENING THE TIGHTEST GRADIENT HAS BEEN FROM ACV-RDD AS OPPOSED TO MFR-RDD...THUS THE NORTHERLY WINDS IN THE NRN SAC VALLEY HAVE SUBSIDED FOR NOW. AROUND MIDNIGHT EXPECT THE SFC RIDGE TO BUILD INTO OREGON WITH A 70KT JET NOSING INTO NORCAL. THIS WILL CAUSE THE MFR-RDD GRADIENT TO STRENGTHEN AND INCREASE NORTHERLY FLOW IN THE NRN SAC VALLEY AND NORTHEASTERLY TO EASTERLY FLOW OVER THE NRN SIERRA AND ADJACENT FOOTHILLS. ALSO EXPECT POOR OVERNIGHT HUMIDITY RECOVERIES ESPECIALLY IN THE THERMAL BELTS AND OVER THE RIDGES TONIGHT. THE WARM DOWNSLOPE WINDS WILL ALSO HELP KEEP THE LOWS IN THE MID 70S AGAIN TONIGHT IN THE NORTHERN SACRAMENTO VALLEY. TEMPERATURES ACROSS THE AREA TOMORROW ARE EXPECTED TO BE SIMILAR TO TODAY. A TROUGH APPROACHES THE PACIFIC NORTHWEST ON SATURDAY BRINGING ANOTHER WEAK TROUGH WITH SOUTHWESTERLY FLOW AND SLIGHTLY COOLER TEMPERATURES. THE FLAT RIDGE SHOULD DOMINATE AGAIN BY MONDAY WITH SLIGHTLY WARMER TEMPERATURES AGAIN WITH A WEAK SYNOPTIC FLOW. .AVIATION... 70KT JETSTREAM DRIVES A LOW PRESSURE SYSTEM INTO NORCAL BY 06Z TONIGHT. VFR CONDITIONS EXPECTED ACROSS INTERIOR NORCAL...EXCEPT NEAR THE BAY AREA WHERE ISOLD IFR BKN010 3-5SM BR WILL OCCUR AFT 07Z NEAR KOAK. LITTLE INLAND PENETRATION OF THE STRATUS IS EXPECTED TONIGHT. GUSTY N-NE SFC WNDS TO 25KT OVER SHASTA COUNTY MTNS AND NRN SIERRA TONIGHT...DECREASING TOMORROW. && .STO WATCHES/WARNINGS/ADVISORIES...NONE. && JCLAPP
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SACRAMENTO CA 403 AM PDT WED AUG 22 2007 CAZ013>019-063-064-066>069-231115- 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 COUNTY TO NORTHERN LAKE COUNTY- CLEAR LAKE/SOUTHERN LAKE COUNTY- NORTHEAST FOOTHILLS/SACRAMENTO VALLEY-MOTHERLODE- WESTERN PLUMAS COUNTY/LASSEN PARK- WEST SLOPE NORTHERN SIERRA NEVADA- 403 AM PDT WED AUG 22 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHERN CALIFORNIA. .DAY ONE...TODAY AND TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED.
1 heat. Local standard time, as filed.
The high temperature at Red Bluff Airport reached 107 degrees. This broke the previous high temperature record for the date of 104 degrees set in 1967.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in California in 2007Every state in 2007This day in weather historyWarnings in California, August 2007
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: 57536.