A potent trough of low pressure from the Pacific brought cold weather across the region. Our region also saw some lower elevation snowfall with higher elevations receiving over one foot of snow. Record cold temperatures and highway closures were the main impacts as this system swept through the region from February 21st to 23rd.

Frost/Freeze in SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS - THE INLAND EMPIRE, CALIFORNIA
From 23-FEB-22 00:00:00 to 25-FEB-22 10:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Many areas saw temperatures lower into the twenties and thirties. March Air Reserve ASOS dipped to 27 degrees on the 24th.

Frost/Freeze in SANTA ANA MOUNTAINS AND FOOTHILLS, CALIFORNIA
From 23-FEB-22 00:00:00 to 25-FEB-22 10:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Many areas saw temperatures lowering into the 20s and low 30s.

Frost/Freeze in SAN DIEGO COUNTY COASTAL AREAS, CALIFORNIA
From 24-FEB-22 00:00:00 to 24-FEB-22 10:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Many areas saw temperatures lower near the freezing mark. San Diego ASOS recorded a daily record low on the 25th of 38 degrees.

Frost/Freeze in SAN DIEGO COUNTY VALLEYS, CALIFORNIA
From 23-FEB-22 00:00:00 to 25-FEB-22 10:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Many areas saw temperatures lowering into the upper 20s and 30s. Ramona ASOS reported a low of 25 on the 24th.

Extreme Cold/Wind Chill in SAN DIEGO COUNTY MOUNTAINS, CALIFORNIA
From 23-FEB-22 00:00:00 to 25-FEB-22 10:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Many areas saw temperatures lowering into the 20s and 30s. Julian RAWS dropped to 18 degrees on the 24th and Lake Cuyamaca broke a daily record low of 12 degrees on the 25th.

Frost/Freeze in SAN DIEGO COUNTY DESERTS, CALIFORNIA
From 23-FEB-22 00:00:00 to 25-FEB-22 10:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Many areas saw temperatures lower near the freezing mark.

High Wind in SAN GORGONIO PASS NEAR BANNING, CALIFORNIA
From 22-FEB-22 00:00:00 to 23-FEB-22 00:00:00 (PST-8)
Magnitude: 62.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Widespread wind gusts of 45 to 55 MPH occurred. Whitewater RAWS recorded a peak wind gust of 71 MPH.

High Wind in SAN BERNARDINO COUNTY MOUNTAINS, CALIFORNIA
From 22-FEB-22 00:00:00 to 23-FEB-22 00:00:00 (PST-8)
Magnitude: 61.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Widespread wind gusts of 45 to 55 MPH occurred. Burns Canyon RAWS recorded a peak wind gust of 70 MPH.

High Wind in APPLE AND LUCERNE VALLEYS, CALIFORNIA
From 22-FEB-22 00:00:00 to 23-FEB-22 00:00:00 (PST-8)
Magnitude: 60.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Widespread wind gusts of 45 to 55 MPH occurred. Cushenbury Springs recorded a peak wind gust of 69 MPH.

High Wind in SAN DIEGO COUNTY MOUNTAINS, CALIFORNIA
From 22-FEB-22 00:00:00 to 23-FEB-22 00:00:00 (PST-8)
Magnitude: 57.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Widespread wind gusts of 45 to 55 MPH occurred. Volcan Mountain recorded a peak wind gust of 66 MPH.

Heavy Rain in SAN DIEGO, CALIFORNIA
From 21-FEB-22 00:00:00 to 24-FEB-22 00:00:00 (PST-8)
Location: DULZURA
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Heavy rain occurred across the region with 1 to 2 inches of rain in total for the storm event.

Heavy Rain in SAN DIEGO, CALIFORNIA
From 21-FEB-22 00:00:00 to 24-FEB-22 00:00:00 (PST-8)
Location: GUATAY
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Heavy rain occurred across the region with 1 to 2.5 inches of rain in total for the storm event. Pine Valley recorded 2.57 inches of rain.

Heavy Rain in SAN DIEGO, CALIFORNIA
From 21-FEB-22 00:00:00 to 24-FEB-22 00:00:00 (PST-8)
Location: BANNER
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Heavy rain occurred across the region with up to 1 inch of rain in total for the storm event. Mason Valley recorded 1.08 inches of rain.

Heavy Snow in SAN DIEGO COUNTY MOUNTAINS, CALIFORNIA
From 21-FEB-22 00:00:00 to 24-FEB-22 00:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Heavy snow fell across the region with mountainous areas picking up 10 to 14 inches of snow. Towns near 4000-5000 feet received 4 to 6 inches of snow. This impacted roads with chain control and road closures. The Sunrise Highway was closed for a portion of the storm on the 23rd and about 10 large semis were trapped in snow along Interstate 8.

Heavy Snow in RIVERSIDE COUNTY MOUNTAINS, CALIFORNIA
From 21-FEB-22 00:00:00 to 24-FEB-22 00:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Heavy snow occurred across the area with most places receiving 3 to 6 inches, with higher elevations receiving near one foot of snow. Travel disruptions occurred with chain controls in effect on the roadways.

Heavy Snow in SAN BERNARDINO COUNTY MOUNTAINS, CALIFORNIA
From 21-FEB-22 00:00:00 to 24-FEB-22 00:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Heavy snow occurred across the area with most places receiving 3 to 6 inches, with higher elevations receiving near one foot of snow. Travel disruptions occurred with chain controls in effect on the roadways.

Frost/Freeze in ORANGE COUNTY INLAND, CALIFORNIA
From 23-FEB-22 00:00:00 to 25-FEB-22 10:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Many areas saw temperatures lowering into the upper 20s and low 30s.

Cold/Wind Chill in SAN BERNARDINO COUNTY MOUNTAINS, CALIFORNIA
From 22-FEB-22 00:00:00 to 25-FEB-22 10:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Many areas saw temperatures lowering into the teens and single digits. Big Bear City ASOS dipped to 0 degrees on the 24th.

Cold/Wind Chill in RIVERSIDE COUNTY MOUNTAINS, CALIFORNIA
From 22-FEB-22 00:00:00 to 25-FEB-22 10:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Many areas saw temperatures lowering into the teens and single digits. Idyllwild dipped to 8 degrees on the 24th.

Frost/Freeze in APPLE AND LUCERNE VALLEYS, CALIFORNIA
From 22-FEB-22 00:00:00 to 25-FEB-22 10:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Many areas saw temperatures lowering into the teens and twenties. Victorville ASOS dipped to 19 degrees on the 24th.