Funnel Cloud in California
Every funnel cloud event the National Weather Service has filed in California, year by year, with the most significant episodes. A rotating column of cloud extending from a thunderstorm that did not reach the ground.
The most significant on the map
The most significant funnel cloud episodes in California.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The record
- Events
- 444
- Deaths
- 0
- Injuries
- 0
- Damage
- $20
Every year
The most significant
Ranked by deaths, injuries, damage and size together.
- Winter Storm and Debris Flows in California, January 9, 2018A powerful winter storm impacted Southwestern California in early January. This storm generated heavy rainfall with totals ranging from 1-4 inches across the coasts and valleys with up to 7 inches over some foothill and mountain areas.
- Flash Flooding and Winter Storm in California, January 8 to 11, 2023A strong low pressure system moved through central California on January 9 and 10.
- Flash Flood and Winter Storm in California, February 17 to 22, 2017Storms brought additional rain and widespread flooding and debris flows, as well as mountain snow.
- Tornado and Flash Flooding in California, March 20 to 23, 2018A warm plume of moist tropical air brought a very active period of weather to the area between the evening of March 20 and the evening of March 22.
- Tornadoes and Debris Flows in California, January 6 to 12, 2017Two strong storms brought a range of significant weather impacts to northern interior California. The first storm was very wet and warm, the second not quite as wet but cooler with lower snow levels. Both storms brought strong, damaging winds.
- Heavy Snow and Hail in California, March 28 to 29, 1998A deep, upper-level low pressure trough produced unusually cold, late season winter storm conditions throughout southwest California. Strong winds developed behind the surface cold front on the twenty- eighth, and continued in the mountains into the twenty-ninth.
- Tornado and Flash Flood in California, March 21 to 27, 2018Torrential rain from an atmospheric river with locally heavy convective showers brought flash flooding to portions of the northern Sierra and Motherlode foothills.
- Tornadoes in California, May 5, 1998A Tornado touched down in the Chevy Chase residential area of Sunnyvale, CA near Hwy 85. The storm survey assessed the Damage to 15 home and a large chucrch as a mininimal F2.. One woman was injured when struck by flying debris.
- Debris Flow and Flooding in California, February 6 to 8, 2024Following the departure of the winter storm which brought moderate to heavy precipitation and strong winds on February 4 and 5, a large upper trough moved into California during the morning of February 6 bringing with it another round of precipitation and gusty winds which…
- Flooding and Heavy Snow in California, March 27 to 30, 2023A strong winter storm brought moderate to heavy rain with with flooding of roadways, streams and creeks, with mudslides also reported. There was continued river flooding along the already elevated Sacramento, San Joaquin, Cosumnes, Mokelumne, and Tuolumne rivers.
- Winter Storm and Flooding in California, April 11 to 14, 2012An upper-level short-wave moved into California on April 10th, flattening the ridge. This set the stage for back-to-back strong storms to move through the central California interior on the 11th, 12th, and 13th.
- Winter Storm and Damaging Wind in California, January 20 to 23, 2012The models began converging on a major change in the weather pattern beginning late in the day on January 19th.
- Tornado and Heavy Snow in California, May 12 to 13, 1998An unusually cold, late season storm system pushed a cold front through southern California, resulting in unseasonably cold conditions, and heavy snow in the mountains. The snow began falling around noon on the twelfth and continued off and on through the thirteenth.
- Winter Storm and Flooding in California, March 19 to 25, 2011Dry conditions prevailed over the area through March 15th, with gusts of 45-60 mph at times in the mountain and desert areas of Kern County.
- Debris Flow and Flooding in California, September 16 to 18, 2019A series of cold, upper level ldisturbances tracked across northern California from September 16-18. This brought showers, thunderstorms, and high elevation snow to the region. Flooding and wind damage were the main impacts from this storm.
- Hail in California, June 2, 1999Short-lived funnel spotted within line of convective activity by trained spotter.
- Flash Flood and Heavy Snow in California, January 22 to 26, 2021Very gusty winds came with a series of Pacific troughs that impacted the region on January 22nd-25th, with gusts near 60 MPH from the coast to the mountains. Small debris flows were also reported near burn areas along with heavy mountain snow.
- Tornado and Flash Flooding in California, March 10 to 18, 2023A wet system brought periods of heavy rain with flooding. There was 1 to 2 feet of snow accumulated above 6,500 feet, locally higher on some peaks.
- Hail and High Wind in California, April 16 to 17, 2000Pre-frontal wind caused some power line problems in the Southern San Joaquin Valley although warning criteria were not reached. Over 2000 customers lost power in the South Valley due to the wind.
- Flooding and Hail in California, March 21 to 22, 2017Strong storms developed behind a cold front, bringing abundant rain and severe weather, including a damaging micro-burst and large hail in the foothills.
- Tornadoes and Flooding in California, February 2 to 5, 2019A cold storm brought blizzard conditions in the mountains and severe thunderstorms with weak tornadoes, hail, flooding in the Central Valley. There was very heavy mountain snow, especially in the Sierra, with storm total snow accumulations to 6 to 8 feet.
- Flood and Heavy Rain in California, January 1 to 2, 2006Continuous rain, heavy at times, brought an abnormally high 2.84" of rain to the Fresno Air Terminal, 3.19" in Selma, and 2.25" at Coalinga in a little over 24 hours. A new rainfall record of 1.88" was set for the 2nd of January for Fresno.
- Flash Flooding and Hail in California, September 3 to 7, 2013Isolated to scattered thunderstorms continued over the mountains, deserts, and portions of the Inland Empire, producing flash flooding each afternoon and evening through the 7th, with a brief lull in activity on the 1st.
- Flash Flooding and Debris Flows in California, July 17 to 19, 2015Considerable moisture from Hurricane Dolores to the south, along with monsoon moisture from the southeast resulted in widespread showers and thunderstorms over most of the HSA for the 17th-19th.
- Tornado and Hail in California, May 20, 2002The thunderstorm that supported a tornado at approximately 1500 PST also brought very large hail and locally heavy rain to areas to the north and north-northeast of Madera and the tornado track area.
More
Sources
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24.