A cold spell brought subfreezing temperatures to Northern California for several days. Regional agriculture was severely impacted with temperatures dipping below critical thresholds for spring buds, specifically on fruit and nut trees. Blooms were also about 10 days sooner than average leading to greater impacts to farmers. Mitigation efforts were used to save crops, however the Colusa County Agricultural Commissioner reported as many as 5 counties were severely impacted.

Frost/Freeze in NORTHERN SACRAMENTO VALLEY, CALIFORNIA
From 24-FEB-22 01:00:00 to 25-FEB-22 09:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Temperatures dropped below the critical threshold of 28 degrees for several days in late February. The region saw temperatures as low as 22 degrees during the event with subfreezing conditions lasting for several hours each day. The Redding and Red Bluff airports in the northern Sacramento Valley recorded new daily minimum temperatures on the 25th and tied records on the 24th of February. On the 24th, the Redding airport reported a low of 25 degrees and the Red Bluff airport reported a low of 26 degrees both tying the old records for that day. Onn the 25th, the Redding airport reported a low of 25 degrees and the Red Bluff airport reported a low of 28 degrees both setting new records for that day. Farmers anticipate total damage to their orchards to be determined when crops are harvested.

Frost/Freeze in SOUTHERN SACRAMENTO VALLEY, CALIFORNIA
From 24-FEB-22 01:00:00 to 25-FEB-22 09:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Temperatures dropped below the critical threshold of 28 degrees for several days in late February. Several locations in the region reported temperatures as low as 25 degrees during the event with subfreezing conditions persisting for several hours each day. The Sacramento executive airport set new daily minimum temperatures on the 24th and the 25th of February of 27 and 28 degrees respectively. Farmers anticipate damage to their orchards with final damage costs expected to be determined when crops are harvested.

Frost/Freeze in CENTRAL SACRAMENTO VALLEY, CALIFORNIA
From 24-FEB-22 01:00:00 to 25-FEB-22 09:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Temperatures dropped below the critical threshold of 28 degrees for several days in late February. Several locations in the region reported temperatures as low as 25 degrees during the event with subfreezing conditions persisting for several hours each day. The Colusa County agricultural commissioner reported that severe crop damage was likely across much of Zone 16 in the Sacramento Valley. They also mentioned the disaster threshold is 30% damage across the entire county, and the damage from this event may have spanned as many as five counties in the region. Zone 16 region was reported to have seen the most extensive damage from the cold snap with one farmer in Sutter county reporting as much as 60% of his orchard was damaged. Farmers anticipate total damage to their orchards to be determined when crops are harvested.

Frost/Freeze in CARQUINEZ STRAIT AND DELTA, CALIFORNIA
From 24-FEB-22 01:00:00 to 25-FEB-22 09:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Temperatures dropped below the critical threshold of 28 degrees for several days in late February. The Delta region saw temperatures as low as 23 degrees during the event with subfreezing conditions lasting for several hours each day. Farmers anticipate total damage to their orchards to be determined when crops are harvested.

Frost/Freeze in NORTHERN SAN JOAQUIN VALLEY, CALIFORNIA
From 24-FEB-22 01:00:00 to 25-FEB-22 09:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Temperatures dropped below the critical threshold of 28 degrees for several days in late February. Several locations in the region reported temperatures as low as 28 degrees during the event with subfreezing conditions lasting for several hours each day. The Stockton airport set new daily minimum temperatures on the 24th and the 25th of February of 27 and 28 degrees respectively. On the 25th the Modesto airport reported a low temperature of 30 degrees tying the record daily minimum temperature. Farmers anticipate damage to their orchards with final damage costs expected to be determined when crops are harvested. Preliminary damage reports in Stanislaus and San Joaquin Counties reported crop damage to be variable from area to area throughout the orchards.

Frost/Freeze in NORTHEAST FOOTHILLS/SACRAMENTO VALLEY, CALIFORNIA
From 24-FEB-22 01:00:00 to 25-FEB-22 09:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Temperatures dropped below the critical threshold of 28 degrees for several days in late February. The northern Sierra foothill region saw temperatures as low as 22 degrees during the event with subfreezing conditions lasting for several hours each day.

Frost/Freeze in NORTHEAST FOOTHILLS/SACRAMENTO VALLEY, CALIFORNIA
From 24-FEB-22 01:00:00 to 25-FEB-22 09:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Temperatures dropped below the critical threshold of 28 degrees for several days in late February. The motherlode region of the northern Sierra foothills saw temperatures as low as 22 degrees during the event with subfreezing conditions lasting for several hours each day.