High pressure and low humidities led to warmer than normal temperatures in the Southern Sacramento and Northern San Joaquin Valleys.
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 and low humidities led to warmer than normal temperatures in the Southern Sacramento and Northern San Joaquin Valleys.
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 Mar 22, 7:30 PM PST, 4 hours 30 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SACRAMENTO CA 830 PM PDT THU MAR 22 2007 .DISCUSSION... BANDS OF HIGH CLOUDS CONTINUE TO MOVE SOUTH ACROSS NORTHERN CALIFORNIA THIS EVENING. THE UPPER LEVEL RIDGE OVER NORTHERN CALIFORNIA WILL INHIBIT CLOUDS ROTATING AROUND THE LOW PRESSURE SYSTEM IN NORTHERN BAJA FROM MOVING FURTHER NORTHWARD. MAXIMUM TEMPERATURES RANGED FROM AROUND 10 POINTS IN THE NORTHERN SACRAMENTO VALLEY DUE TO WARMING NORTHERLY WINDS TO 3-5 DEGREES FURTHER SOUTH. ...FROM PREVIOUS DISCUSSION... ADDITIONAL PERIODS OF HIGH CLOUDS ARE EXPECTED THE NEXT COUPLE OF DAYS. HIGH TEMPERATURES TOMORROW AFTERNOON SHOULD BE SIMILAR TO TODAY. A COOLING TREND IS EXPECTED FOR SUNDAY INTO EARLY NEXT WEEK WITH A TROUGH MOVING INTO THE AREA. THE 12Z GFS INDICATED SOME WARM AIR ADVECTION SHOWERS POSSIBLY ON SUNDAY SO ADDED SLIGHT CHANCE OF SHOWERS FOR NOW. WITH THE RECENT DOWNSLOPE WINDS THE LOWER LEVELS WILL BE DRY SO MAY SEE SOME VIRGA AT FIRST AS THE ATMOSPHERE MOISTENS UP. THE BEST CHANCE OF PRECIPITATION LOOKS LIKE IT IS MONDAY INTO TUESDAY WITH THE TROUGH AND JET MOVING THROUGH THE AREA BRINGING SOME DECENT DYNAMICS. PRECIPITABLE WATER VALUES ARE AROUND 0.75 INCHES ON THE GFS WHICH SHOULD PROVIDE SOME MOISTURE. THE 12Z GFS SHOWS 700MB TEMPERATURES ARE AROUND -4 DEGREES MONDAY MORNING AND DROPPING DOWN TO AROUND -14 ON TUESDAY MORNING. 1000-500MB THICKNESSES AROUND 5490 M MONDAY AND DROPPING DOWN TO AROUND 5330M ON TUESDAY MORNING. THIS INDICATES SNOW LEVELS POSSIBLY STARTING AROUND 5500 FEET AND DROPPING DOWN INTO THE FOOTHILLS. CURRENT FORECASTS DROPS SNOW LEVELS DOWN TO AROUND 3000 TO 4000 FEET ON TUESDAY MORNING BUT THEY COULD POSSIBLY DROP EVEN LOWER IF THE MODELS ARE CORRECT...SO WILL CONTINUE TO MONITOR. WEAK RIDGE BUILDS IN AT THE END OF THE WEEK FOR A POSSIBLE BREAK IN THE PRECIPITATION AND MORE ABOVE NORMAL TEMPERATURES. && .AVIATION... VFR CONDITIONS ACROSS ALL ROUTES. ISOLD GUSTS AROUND 30 KTS OVER RIDGETOPS AND THROUGH CANYONS FOR THE COASTAL RANGE AND SIERNEV OVERNIGHT. PATCHES OF LOW CLOUDS AND FOG ALONG THE IMMEDIATE COAST OVERNIGHT MAY MOVE OVER PARTS OF THE SAN FRANCISCO BAY BY MORNING. && .STO WATCHES/WARNINGS/ADVISORIES...NONE. && NORTHERN SACRAMENTO VALLEY AND HIGHER TERRAIN SHOWING TEMPERATURES AROUND 10 DEGREES HIGHER THAN YESTERDAY. ALTHOUGH MARYSVILLE SOUTH THROUGH THE NORTHERN SAN JOAQUIN VALLEY INCLUDING THE DELTA AND MOTHERLODE ARE ONLY A FEW DEGREES HIGHER WITH LIGHT (MAINLY SOUTHEASTERLY) WINDS AND SOME HIGH CLOUDS MOVING THROUGH AT 3PM. THIS BAND OF HIGH CLOUDS WILL MOVE SOUTH THROUGH THE SOUTHERN PORTION OF THE CWA THIS AFTERNOON.
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SACRAMENTO CA 700 AM PDT THU MAR 22 2007 CAZ013>019-063-064-066>069-231400- 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- 700 AM PDT THU MAR 22 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR INTERIOR NORTHERN CALIFORNIA. .DAY ONE...TODAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN... FRIDAY THROUGH WEDNESDAY RAIN AND MOUNTAIN SNOW RETURNING TO NORTHERN CALIFORNIA MONDAY AND TUESDAY...OTHERWISE 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
2 heat. Local standard time, as filed.
A daily high temperature record of 78 degrees was tied at Sacramento Executive Airport. The record was initially set in 1997.
Daily high temperature records were set or tied at the Stockton and Modesto sites on the 23rd and 24th.|At Stockton:|On the 23rd...the temperature reached 81 degrees, which broke the previous record of 80 degrees set in 1984. On the 24th...the temperature reached 80 degrees, which tied the record initially set in 1997.|At Modesto:|On the 24th...the temperature reached 82 degrees, which broke the previous record of 81 degrees set in 1970.
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, March 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: 17542, 17543.