A strong upper low pressure system dropped slowly southward off the California coast on March 28 and 29 producing heavy snowfall over the higher elevations of the Sierra Nevada along with a brief period strong wind gusts over portions of the Sierra foothills. Several higher elevation SNOTEL stations picked up an estimated 16 to 24 inches of new snowfall with several stations in the Sierra Nevada measuring between 1.5 and 2.5 inches of liquid precipitation while the foothills picked up between 1 and 2 inches and rainfall and the San Joaquin generally picked up another 0.25 to 0.75 inches of rainfall before the precipitation tapered off as the trough moved inland during the afternoon and evening of March 29.

Heavy Snow in YOSEMITE NP OUTSIDE OF THE VALLEY, CALIFORNIA
From 28-MAR-23 07:00:00 to 29-MAR-23 22:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

The Gin Flat SNOTEL (7201 feet) picked up an estimated 20 inches of new snowfall.

Heavy Snow in YOSEMITE NP OUTSIDE OF THE VALLEY, CALIFORNIA
From 28-MAR-23 07:00:00 to 29-MAR-23 22:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

The Tenaya Lake SNOTEL (8150 feet) picked up an estimated 26 inches of new snowfall.

Heavy Snow in YOSEMITE NP OUTSIDE OF THE VALLEY, CALIFORNIA
From 28-MAR-23 07:00:00 to 29-MAR-23 22:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

The Tuolumne Meadows SNOTEL (8600 feet) picked up an estimated 21 inches of new snowfall.

Heavy Snow in UPPER SAN JOAQUIN RIVER, CALIFORNIA
From 28-MAR-23 07:00:00 to 29-MAR-23 22:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

The Graveyard Meadows SNOTEL (6897 feet) picked up an estimated 26 inches of new snowfall.

Heavy Snow in UPPER SAN JOAQUIN RIVER, CALIFORNIA
From 28-MAR-23 07:00:00 to 29-MAR-23 22:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

The Chilkoot Meadow SNOTEL (7150 feet) picked up an estimated 20 inches of new snowfall.

Heavy Snow in UPPER SAN JOAQUIN RIVER, CALIFORNIA
From 28-MAR-23 07:00:00 to 29-MAR-23 22:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

The Green Mountain SNOTEL (7900 feet) picked up an estimated 18 inches of new snowfall.

Heavy Snow in UPPER SAN JOAQUIN RIVER, CALIFORNIA
From 28-MAR-23 07:00:00 to 29-MAR-23 22:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

The Devil's Postpile SNOTEL (8004 feet) picked up an estimated 23 inches of new snowfall.

Heavy Snow in KAISER TO RODGERS RIDGE, CALIFORNIA
From 28-MAR-23 07:00:00 to 29-MAR-23 22:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

The Upper Burnt Corral SNOTEL (9700 feet) picked up an estimated 26 inches of new snowfall.

Heavy Snow in KINGS CANYON NP, CALIFORNIA
From 28-MAR-23 07:00:00 to 29-MAR-23 22:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

The Mitchell Meadow SNOTEL (9900 feet) picked up an estimated 20 inches of new snowfall.

Heavy Snow in KINGS CANYON NP, CALIFORNIA
From 28-MAR-23 07:00:00 to 29-MAR-23 22:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

The Volcanic Knob SNOTEL (10050 feet) picked up an estimated 23 inches of new snowfall.

High Wind in MARIPOSA - MADERA LOWER SIERRA, CALIFORNIA
From 28-MAR-23 11:30:00 to 28-MAR-23 11:30:00 (PST-8)
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Utility Company

The PG&E station at Yosemite Pilot Peak measured a peak wind gust of 65 mph.

High Wind in MARIPOSA - MADERA LOWER SIERRA, CALIFORNIA
From 28-MAR-23 13:20:00 to 28-MAR-23 13:20:00 (PST-8)
Magnitude: 63.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Utility Company

The PG&E station at Penon Blanco measured a peak wind gust of 72 mph.

High Wind in MOJAVE DESERT SLOPE(S), CALIFORNIA
From 29-MAR-23 16:32:00 to 29-MAR-23 16:32:00 (PST-8)
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: RAWS

The Blue Max RAWS measured a peak wind gust of 64 mph.