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Lassen County, California
Tornadoes, hail, floods and severe storms recorded here between 1957 and 2025, from NOAA's Storm Events Database. Search an address to see which tornadoes came closest to it.
4
Tornado reports
16
Hail reports
11
Floods since 1996
112
All events
0
Deaths
$5.5M
Property damage
Tornado paths in Lassen County
The part of each tornado’s path NOAA recorded in this county, 4 in all. Zoom in and the paths widen to their surveyed width.
EF0EF1EF2EF3EF4EF5Unrated
Year by year
All storm eventsTornadoes
NOAA's storm database records tornadoes back to 1950 and hail and thunderstorm wind back to 1955, but floods only from 1996 on. Older floods are missing here. For those, the U.S. Geological Survey's stream gauge records and flood reports are the place to look.
Most significant events
The strongest tornadoes, deadliest events and biggest damage here, up to 50.
Extensive flooding was reported along the Susan River. Streets in Susanville and county roads were flooded. Flooding also occurred at a Union Pacific railroad trestle. Logs and other debris became lodged in the trestle and water was forced to flow around the trestle, flooding the…
Flood Flood
Minor flooding of the Susan River in Susanville with some agricultural flooding and water over Cutoff road off Highway 395 near Standish. Water remained there and over Mapes and Capazzoli Roads near Standish and downstream impacts along the Susan continued through the end of the …
Flood Flood
The Lassen County emergency management minor flooding along Robbers Creek in the town of Westwood.
Flood Flood
The California Highway Patrol reported flooding along the Susan River near the cut-off road to Bronson road west of Litchfield.
Heavy Rain Heavy Rain
Bogard Ranger Station reported 1.05 inches of precipitation on the 24th. No flooding was recorded in the area.
Debris Flow Debris Flow
Intense rainfall lead to mudslides and rockslides along US-395 north of Red Rock Rd. This caused both lanes of traffic to shutdown.
Heavy Rain Heavy Rain
CoCoRaHS Station CA-LS-1, 3.2 SSW of Susanville, reported a rain total of 1.33 inches.
Heavy Rain Heavy Rain
A trained spotter located 1.0 mi W of Doyle, CA, reported a 24 hour rainfall/liquid total of 1.67 inches.
Heavy Rain Heavy Rain
A trained spotter located 5.0 mi WNW of Susanville, CA, reported a 24 hour rainfall/liquid total of 1.22 inches.
Heavy Rain Heavy Rain
COCORAHS station (CA-LS-1 Susanville) located 3.0 mi SSW of Susanville, CA, reported a 24 hour rainfall total of 2.08 inches.
Heavy Rain Heavy Rain
COCORAHS station (CA-LS-1 Susanville) located 3.0 mi SSW of Susanville, CA, reported a 24 hour rainfall total of 0.53 inches.
Heavy Rain Heavy Rain
A trained spotter located 5.0 mi WNW of Susanville, CA, reported a 24 hour rainfall/liquid total of 2.1 inches. The 2-day storm total was 3.34 inches.
Heavy Rain Heavy Rain
A trained spotter located 5.0 mi WNW of Susanville, CA, and a trained spotter located 6.0 mi SSE of Susanville, CA, reported total rainfall amounts of 1.23 inches and 2.90 inches respectively.
Heavy Rain Heavy Rain
A mesonet station (WWDC1-Westwood) located 4.0 mi SSW of Freonyer Pass, CA, a mesonet station (BUFC1-Bull Flat) located 11.0 mi NNE of Wendel, CA, a mesonet station (LAFC1-Laufman) located 6.0 mi S of Honey Lake, CA, and a trained spotter located 5.0 mi WNW of Susanville, CA, rep…
Heavy Rain Heavy Rain
A trained spotter located 1.0 mi W of Doyle, CA, reported a rainfall storm total of 1.56 inches.
Heavy Rain Heavy Rain
A Cocorahs station (CA-LS-2) located 3.5 mi SSW Susanville, CA, and a trained spotter located 5.0 mi WNW of Susanville, CA, reported storm total rainfall amounts of 0.99 and 0.81 inches respectively.
Heavy Rain Heavy Rain
A Cocorahs station (CA-LS-2) located 3.5 mi SSW Susanville, CA, a trained spotter located 5.0 mi WNW of Susanville, CA, and a mesonet station (GORC1-Gordon) located 9.0 mi NW of Spaulding, CA, reported storm total rainfall amounts of 0.56, 0.67, and 1.37 inches respectively.
Heavy Rain Heavy Rain
A trained spotter located 6.0 mi SSE Susanville, CA, reported a storm total rainfall amount of 1.45 inches.
Heavy Rain Heavy Rain
A trained spotter located 5.0 mi WNW of Susanville, CA, and a mesonet station (BKOC1-Black Mountain) located 22.0 mi WNW of Spaulding, CA, reported total rainfall amounts of 0.71 inches and 0.69 inches respectively.
Heavy Rain Heavy Rain
A mesonet station (AT488-Westwood) located 3.0 mi WSW of Westwood, CA, reported a total rainfall amount of 1.13 inches.
Debris Flow Debris Flow
Lassen County Emergency Manager reported mudslide located 7.0 mi WNW of Honey Lake, CA, blocking southbound traffic along US-395 near Hicks Road within the Dixie Burn Scar.
Heavy Rain Heavy Rain
Mesonet station FW8884 (6.0 mi SSW of Susanville, CA), a trained spotter ( 5.0 mi WNW of Susanville, CA), and a COCORAHS Station CA-LS-1 (3.2 mi SSW of Susanville, CA) reported heavy rainfall amounts of 1.22, 0.97 and 0.72 inches respectively.
Hail Hail
Trained weather spotter reported half dollar sized hail and very heavy rainfall.
Heavy Rain Heavy Rain
Trained spotter reported 1.38' of heavy rain before changeover to snow the following day.
Debris Flow Debris Flow
Law enforcement reported several areas with debris in the roadway, and the culvert under the railway is plugged.
Flash Flood Flash Flood
California Highway Patrol reported 3.5 feet of water over the road on the north end of Constantia Road making the roadway impassable.
Heavy Rain Heavy Rain
CoCoRahs Observers, trained spotters, and Mesonet/ASOS sites reported rainfall amounts ranging from 0.5-3.0 in the area between Janesville to Susanville, CA; 3.0-4.0 in the Westwood to Lake Almanor region; and up to 6.0 about 3.0 mi SSW of Susanville, CA. Trained spotter in Doyle…
Heavy Rain Heavy Rain
Eagle Lake SCAN measured 0.75 inches of rainfall from todays thunderstorms.
Heavy Rain Heavy Rain
Reporting 2.12 inches of rain last 24 hours. 1.5 inches of rain reported near Spaulding also in Lassen County.
Tornado EF1 Tornado
A mesoanticyclone embedded within a deep pyrocumulonimbus updraft inside the Loyalton wildfire perimeter generated an EF1 rated anticyclonic tornado that snapped (DI 28, DOD 4) and uprooted (DI 28, DOD 3) several Jeffrey pine trees along a 0.43-mile path within Roberts Canyon. Th…
Tornado EF1 Tornado
A mesoanticyclone embedded within a deep pyrocumulonimbus updraft inside the Loyalton wildfire perimeter generated an EF1 rated anticyclonic tornado that snapped several quaking aspen trees (DI 27, DOD 4) along a 0.09-mile path on the northeast facing slope of Roberts Canyon. The…
Tornado EFU Tornado
Bystanders along CA 70 and US 395 near Hallelujah Junction captured multiple videos and photographs of an anticyclonically rotating tornado pendant to the base of a pyrocumulonimbus cloud. The tornado caused no damage from which the NWS could assign an EF-scale rating as it trave…
Heavy Rain Heavy Rain
Trained weather spotter 5 miles west-northwest of Susanville reported 2.53 inches of rainfall in a 48-hour period from 6 December 1700PST to 8 December 1700PST at an elevation of 5072 feet MSL. Spotter also reported receiving 2.75 inches of wet snowfall during this period.
Heavy Rain Heavy Rain
CO-OP Observer station SNVC1 1 mile west-northwest of Susanville reported 2.25 inches of rainfall in a 48-hour period from 6 December 1100PST to 8 December 1100PST at an elevation of 4184 feet MSL.
Heavy Rain Heavy Rain
Trained weather spotter 6 miles south-southeast of Susanville reported 3.00 inches of rainfall in a 48-hour period from 6 December 0800PST to 8 December 0800PST at an elevation of 4823 feet MSL.
Heavy Rain Heavy Rain
Denten Creek RAWS MWKC1 near Blairsden reported 2.84 inches of rainfall in a 48-hour period from 1 December 0000PST to 2 December 2359PST. Station elevation of 5149 ft MSL.
Heavy Rain Heavy Rain
RAWS, 5 miles south-southeast of Ravendale (elevation 5450 feet) reported 0.87 inches of rainfall in a 2-hour period from 25 July 1559PST to 1759PST.
Heavy Rain Heavy Rain
Mesonet station BOGC1, Bogard Ranger Station reported 0.87 inches of rainfall in a 24 hour period from 15 May 0600PST to 16 May 0600PST. Mesonet elevation 5673 feet MSL.
Heavy Rain Heavy Rain
Mesonet station BOGC1, 16 miles west-southwest of Spaulding reported 0.77 inches of rainfall in a 24 hour period from 27 March 0900PST to 28 March 0900PST. Mesonet elevation 5673 feet MSL.
Heavy Rain Heavy Rain
CoCoRaHS Station CA-LS-2, 3 miles south-southwest of Susanville reported 0.77 inches of rainfall over a 24 hour period from 5 March 1700PST to 6 March 1700PST.
Heavy Rain Heavy Rain
Trained weather spotter 1 mile west of Doyle reported 2.43 inches of rainfall in a 24 hour period from 16 January 0700PST to 17 January 0700PST.
Heavy Rain Heavy Rain
CoCoRaHS station CA-LS-1 3 miles south-southwest of Susanville reported 2.34 inches of rainfall in a 24 hour period from 16 January 0700PST to 17 January 0700PST.
Heavy Rain Heavy Rain
Mesonet AT488 3 miles west-southwest of Westwood reported 2.32 inches of rainfall in a 24 hour period from 16 January 0830PST to 17 January 0830PST. Mesonet elevation 4944 feet MSL.
Heavy Rain Heavy Rain
Mesonet D5597 3 miles east-southeast of Honey Lake reported 0.71 inches of rainfall in a 24-hour period from 24 December 0700PST to 25 December 0700PST.
Heavy Rain Heavy Rain
CoCoRaHS observer CA-LS-1 3 miles south-southwest of Susanville reported 0.81 inches of rainfall in a 24-hour period from 24 December 0700PST to 25 December 0700PST.
Heavy Rain Heavy Rain
Mesonet station BKMC1 Blacks Mountain reported 0.84 inches of rainfall in a 24-hour period from 24 December 0700PST to 25 December 0700PST.
Heavy Rain Heavy Rain
Mesonet station BKMC1 22 miles south-southeast of Pittville reported 0.84 inches of precipitation within a 24-hour period from 24 December 0700PST to 25 December 0700PST. Mesonet elevation 6008 feet MSL.
Heavy Rain Heavy Rain
Mesonet station BDOC1, 6 miles east of Madeline (elevation 5927 feet) reported 0.93 inches of rainfall from 16 May 1159PST to 17 May 0659PST.
Heavy Rain Heavy Rain
Mesonet station GORC1, 9 miles northwest of Spaulding (elevation 6215 feet) reported 0.66 inches of rainfall from 16 May 1204PST to 17 May 0504PST.
Heavy Rain Heavy Rain
Ravendale RAWS, 5 miles south-southeast of Ravendale (elevation 5450 feet) reported 0.62 inches of rainfall in a 24-hour period from 16 May 0500PST to 17 May 0500PST.
Events by year, as a table
| Year | Events | Tornadoes |
|---|---|---|
| 2025 | 9 | 0 |
| 2024 | 5 | 0 |
| 2023 | 6 | 0 |
| 2022 | 2 | 0 |
| 2021 | 5 | 0 |
| 2020 | 4 | 3 |
| 2019 | 11 | 0 |
| 2018 | 18 | 0 |
| 2017 | 6 | 0 |
| 2015 | 6 | 1 |
| 2014 | 3 | 0 |
| 2013 | 2 | 0 |
| 2012 | 2 | 0 |
| 2006 | 3 | 0 |
| 2005 | 2 | 0 |
| 2004 | 2 | 0 |
| 2003 | 7 | 0 |
| 2002 | 8 | 0 |
| 2000 | 1 | 0 |
| 1999 | 1 | 0 |
| 1998 | 1 | 0 |
| 1997 | 1 | 0 |
| 1985 | 1 | 0 |
| 1958 | 5 | 0 |
| 1957 | 1 | 0 |
Search your address
See every tornado that passed within 25 miles of a place in Lassen County, measured to its path.
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