Another upper-level trough moving through the western US brought strong west winds to much of the Southern California mountains and deserts on April 21st and 22nd. This brought a couple inches of snow to the mountain communities. Thunderstorms also occurred with the main band of precipitation. Coastal and valley locations received 0.10 to 0.25 inches and mountains as much as 0.75 to 1.50 inches of precipitation.

High Wind in SAN GORGONIO PASS NEAR BANNING, CALIFORNIA
From 21-APR-22 17:00:00 to 22-APR-22 05:00:00 (PST-8)
Magnitude: 53.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: RAWS

Strong west winds impacted the San Gorgonio Pass on April 21st and 22nd. Wind gusts of 45-55 mph were common across much of the area with localized higher gusts. The Whitewater RAWS site recorded a peak wind gust of 61 mph.

High Wind in SAN DIEGO COUNTY MOUNTAINS, CALIFORNIA
From 21-APR-22 17:00:00 to 22-APR-22 05:00:00 (PST-8)
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Strong west winds impacted the San Diego County Mountains on April 21st and 22nd. Wind gusts of 40-50 mph were common across much of the area with localized higher gusts. The Horse Launch (Pine Valley) observation site recorded a peak wind gust of 60 mph.

High Wind in SAN BERNARDINO COUNTY MOUNTAINS, CALIFORNIA
From 21-APR-22 17:00:00 to 22-APR-22 05:00:00 (PST-8)
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Strong west winds impacted the San Bernardino County Mountains on April 21st and 22nd. Wind gusts of 40-50 mph were common across much of the area with localized higher gusts. The Burns Canyon observation site recorded a peak wind gust of 64 mph.

High Wind in RIVERSIDE COUNTY MOUNTAINS, CALIFORNIA
From 21-APR-22 17:00:00 to 22-APR-22 05:00:00 (PST-8)
Magnitude: 64.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Strong west winds impacted the Riverside County Mountains on April 21st and 22nd. Wind gusts of 40-50 mph were common across much of the area with localized higher gusts. The Toro Peak HPWREN observation site recorded a peak wind gust of 74 mph.

Heavy Snow in SAN BERNARDINO COUNTY MOUNTAINS, CALIFORNIA
From 21-APR-22 12:00:00 to 22-APR-22 08:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Snowfall of 1 to 2 inches occurred in an unusually cold late April storm.

Strong Wind in COACHELLA VALLEY, CALIFORNIA
From 24-APR-22 08:00:00 to 24-APR-22 16:00:00 (PST-8)
Magnitude: 30.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Coachella festival emergency management organizers reported 3 separate dust devils under sunny skies and following the cold strong winds that occurred April 21-22. The most significant dust devil on April 23 occurred during the festival and tossed a tent 50 feet in the air. One dust devil knocked over 2 persons which was captured on security cameras.

Lightning in SAN BERNARDINO, CALIFORNIA
From 21-APR-22 00:00:00 to 21-APR-22 00:00:00 (PST-8)
Location: ARROWBEAR LAKE
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Several cloud to ground lightning strikes occurred in the mountains and were associated with heavy precipitation and snow.