Alpine storm history
Storm events recorded in Alpine, California between 1950 and 2025.
44
Total events
0
Tornadoes
5
Hail
2
Floods
0
Deaths
$1.8M
Property damage
Most significant events
Strongest tornadoes, deadliest events, and biggest damage in this county. Up to 50 shown.
Debris Flow Debris Flow
CalTrans and the California Highway Patrol reports 2 large rocks on the northbound lane of Highway 89 near Markleeville. Also, CHP reported mud, dirt, and rocks at the SR-4 and SR-89 junction south of Markleeville.
Heavy Rain Heavy Rain
Mesonet station (XXXC1-SNOTEL) located 7.7 mi SW of Coleville, CA, reported a 24 hour rainfall total of 0.50 inches.
Heavy Rain Heavy Rain
A mesonet station XXXC1(SNOTEL) located 7.7 mi SW of Coleville, CA reported a total rainfall amount of 0.50 inches.
Heavy Rain Heavy Rain
Mesonet stations (FDCC1) located 1.7 mi SE of Carson Pass, CA (SNOTEL), and (XXXC1) located 7.7 mi SW of Coleville, CA (SNOTEL) reported 24hr rainfall storm totals of 1.1 inches and 1.0 inches respectively.
Heavy Rain Heavy Rain
A mesonet station (MNPC1-SNOTEL) located 1.0 SE Monitor Pass, CA, reported a rainfall storm total of 0.60 inches.
Debris Flow Debris Flow
CHP reported rock and debris flow on the westbound lane of SR89 near Indian Creek road, located 1.0 ENE of Markleeville, CA.
Debris Flow Debris Flow
CHP reported a few inches of mud and gravel on CA-88 near mile marker 15 west of Woodfords.
Debris Flow Debris Flow
Heavy rain in the vicinity of the Tamarack Fire Burn Scar caused a slide over State Route 4 that was reported by CHP to be 3-4 feet deep and closed the highway in both directions. No rainfall reports in the exact location, but estimates of 0.5-1 were reported to the south and 2-3…
Debris Flow Debris Flow
Grover Hot Springs state park staff reported debris flow over Hot Springs RD due to intense, heavy rainfall. Depth and damage were unknown at this time. Also, Caltrans and CHP reported boulders and rocks in the area with one part of Hot Springs RD starting to wash out. Another ro…
Debris Flow Debris Flow
Severe flooding was reported along State Route 89 in and out of Markleeville, CA with numerous debris flows. Roadway damage was also reported, along with reports of vehicles starting to get swept away.
Heavy Rain Heavy Rain
Mesonet station (MKEC1) located in Markleeville, CA, reported heavy rain total of 1.82 inches. Utility Mesonet sensor also located in Markleeville, CA, reported 2.49 inches in 90 minutes and 2.22 inches in 60 minutes.
Heavy Rain Heavy Rain
About 4.38' of rainfall reported by mesonet station MKEC1 located 0.88mi SW of Markleeville, CA.
Debris Flow Debris Flow
Debris flows reported by fire services on the Tamarack Fire in Alpine County.
Flood Flood
Caltrans reported several rock slides on Highway 4 between Highway 89 and Ebbetts Pass due to thunderstorm heavy rainfall. Roadway was closed for a couple hours for cleanup.
Hail Hail
Report of 1 inch hail at Highland Lakes Campground. Public report relayed to NWS Reno, then to NWS Sacramento. Time estimated based on radar.
Heavy Rain Heavy Rain
Mesonet station MKEC1 in Markleeville reported 1.01 inches of rainfall in a 24-hour period from 7 December 1748PST to 8 December 1748PST at an elevation of 5501 feet MSL.
Heavy Rain Heavy Rain
SNOTEL EBTC1 at Ebbetts Pass reported 6.60 inches of rainfall in a 48-hour period from 1 December 0000PST to 2 December 2359PST. Station elevation of 8660 ft MSL.
Heavy Rain Heavy Rain
SNOTEL BSKC1 at Burnside Lake reported 4.40 inches of rainfall in a 48-hour period from 1 December 0000PST to 2 December 2359PST. Station elevation of 8158 ft MSL.
Heavy Rain Heavy Rain
RAWS MKEC1 near Markleeville reported 1.98 inches of rainfall in a 48-hour period from 1 December 0000PST to 2 December 2359PST. Station elevation of 5501 ft MSL.
Heavy Rain Heavy Rain
ASOS KTVL at South Lake Tahoe Airport reported 1.88 inches of rainfall in a 48-hour period from 1 December 0000PST to 2 December 2359PST. Station elevation of 6257 ft MSL.
Heavy Rain Heavy Rain
Mesonet station MKEC1, Markleeville (elevation 5501 feet) reported 0.64 inches of rainfall in a 5-hour time period from 23 July 1348PST to 1848PST.
Heavy Rain Heavy Rain
SNOTEL MNPC1 at Monitor Pass (elevation 8304 feet) reported 1.10 inches of rainfall in a 5-hour period from 20 July 1200PST to 1700PST.
Heavy Rain Heavy Rain
Mesonet station FDCC1, 1-mile east-southeast of Carson Pass reported 0.50 inches of rainfall in a 24-hour period from 13 July 2000PST to 14 July 2000PST.
Heavy Rain Heavy Rain
Mesonet station BSKC1, 3 miles west-northwest of Grover Hot Springs (elevation 8158 feet) reported 0.60 inches of rainfall in a 24-hour period from 13 July 2000PST to 14 July 2000PST.
Heavy Rain Heavy Rain
Mesonet station SPCC1, 2 miles southeast of Grover Hot Springs (elevation 6062 feet) reported 1.60 inches of rainfall in a 24-hour period from 24 May 0800PST to 25 May 0800PST.
Debris Flow Debris Flow
California Highway Patrol reported multiple debris flows near and south of the intersection of California Highway 4 and California Highway 89 that occurred after heavy rainfall. These debris flows occurred within the area of the Washington Fire burn scar. No damage estimates were…
Heavy Rain Heavy Rain
Mesonet station FDCC1, 1 mile east-southeast of Carson Pass (elevation of 8013 feet) reported 2.40 inches of rainfall in a 24 hour period from 6 April 0800PST to 7 April 0800PST.
Heavy Rain Heavy Rain
Mesonet station TEM13, 4 miles northeast of Hope Valley reported 2.90 inches of storm total rainfall from 20 March 0600PST to 23 March 0600PST.
Heavy Rain Heavy Rain
Mesonet station MKEC1, Markleeville reported 3.64 inches of storm total rainfall from 20 March 0648PST to 23 March 0648PST.
Heavy Rain Heavy Rain
Mesonet station MKEC1 near Markleeville, reported 3.64 inches of storm total rainfall from 20 March 0648PST to 23 March 0648PST.
Heavy Rain Heavy Rain
Mesonet station MKEC1, Markleeville reported 0.63 inches of rain from 13 March 1148PST to 14 March 0448PST.
Heavy Rain Heavy Rain
Mesonet station MNPC1, 1 mile southeast of Monitor Pass recorded 0.70 inches of rain from 13 March 1600PST to 14 March 0400PST.
Heavy Rain Heavy Rain
Mesonet station FDCC1, 1 mile east-southeast of Carson Pass reported 1.20 inches of rain from 13 March 0300PST to 14 March 0400PST.
Hail Hail
Alpine County Sheriff reported golf ball sized hail at Bear Valley. One of their newer vehicles was damaged by the hail.
Hail Hail
Golf ball size hail fell 1 mile SW of Bear Valley.
Debris Flow Debris Flow
CALTRANS reported a debris flow in the area of Wolf Creek Road and highway 4, which is in the Washington Fire burn scar area. A debris flow also occurred on highway 89 south of Markleeville. A National Weather Service employee noted about 3 feet of dirt piled up on the sides of t…
Debris Flow Debris Flow
A mudslide over highway 89 just east of Markleeville caused the road to become impassable.
Heavy Rain Heavy Rain
A total of 3.33 inches of rain fell at the Markleeville RAWS on October 13 through early morning on October 14.
Flood Flood
Localized flooding was reported on the East Fork Carson River near Markleeville, and in rural areas across the eastern half of the county.
Heavy Rain Heavy Rain
Hail Hail
Heavy Rain Heavy Rain
A spotter reported .75 inches of rain in an hour from a thunderstorm.
Thunderstorm Wind Thunderstorm Wind
Hail Hail
Events by year
| Year | Events | Tornadoes |
|---|---|---|
| 2025 | 1 | 0 |
| 2024 | 2 | 0 |
| 2023 | 4 | 0 |
| 2022 | 4 | 0 |
| 2021 | 3 | 0 |
| 2020 | 1 | 0 |
| 2019 | 5 | 0 |
| 2018 | 13 | 0 |
| 2015 | 4 | 0 |
| 2009 | 1 | 0 |
| 2005 | 2 | 0 |
| 2004 | 1 | 0 |
| 2003 | 1 | 0 |
| 2000 | 1 | 0 |
| 1998 | 1 | 0 |