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North Bay Interior Valleys County, California
Tornadoes, hail, floods and severe storms recorded here between 2006 and 2026, from NOAA's Storm Events Database. Search an address to see which tornadoes came closest to it.
0
Tornado reports
0
Hail reports
21
Floods since 1996
225
All events
8
Deaths
$18.4M
Property damage
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.
A 61-year old man was struck by a fallen branch near the 800 block of Howard Street in Santa Rosa. Paramedics took the man to a local hospital, where he was pronounced dead. Around the time of the incident, wind gusts of 25 to 30 miles per hour were reported in a couple of statio…
A man was struck and killed by a car as he was trying to avoid a falling tree at the intersection of Laverne Ave and North Ferndale Ave in Mill Valley https://www.nbcbayarea.com/news/local/Man-Struck-Killed-by-Vehicle-Fleeing-Falling-Tree-in-Mill-Valley-504491511.html.
In Petaluma, a man sought shelter inside of a dumpster trash bin during sub-freezing temperatures to stay warm. He died when a trash truck picked up the dumpster and compacted the contents.
High winds knocked trees down onto power lines which sparked a fire that burned down a small cabin near Fairfax, killing a person inside.
At 10:20 pm Saturday night a huge oak tree, six feet in diameter, fell onto a SUV killing a 46 year-old man.
Several trees fell in western Sonoma County during this storm. One of those trees killed a 49-year-old woman as she walked along Freestone Flat Road near Freestone. The oak tree was approximately 60 feet tall.
Sonoma County reported 19 calls to 911 for heat related illnesses between October 2 and 7.
A 23-year old woman was hit by a fallen branch on the 300 block of Steele Lane in Santa Rosa. She was taken to the hospital for treatment. Around the time of the incident, wind gusts of 25 to 40 miles per hour were reported in a couple of stations within Santa Rosa.
Heat Heat
The San Rafael station reported a monthly record high of 92 degrees.
Heat Heat
The Napa State Hospital station reported a monthly high temperature of 92 degrees.
Heat Heat
The Santa Rosa downtown station reported a monthly record high of 92 degrees.
Heat Heat
The Calistoga station reported a monthly record high of 94.
Heat Heat
The Cloverdale station reported a monthly record high of 94 on March 17 and March 21.
Coastal Flood Coastal Flood
Eastbound lane of Tiburon Boulevard blocked with water at Blackfield Drive.
Coastal Flood Coastal Flood
Roadway flooding reported on the offramp from southbound US Highway 101 to Lucky Drive.
Coastal Flood Coastal Flood
Coastal flooding forced the closure of the offramp from northbound US Highway 101 to northbound California Highway 1 in the Manzanita area.
Coastal Flood Coastal Flood
Coastal flooding due to King Tides was reported at State Route 131 at Blackfield Drive. Eastbound lanes of 131 were flooded with vehicles unable to pass.
Coastal Flood Coastal Flood
Coastal flooding due to high tides was reported at 2nd St and Irwin St in San Rafael.
Coastal Flood Coastal Flood
Two feet of coastal flooding was reported on Redwood Highway at the Frontage Road just south of Hamilton.
Coastal Flood Coastal Flood
Coastal Flooding was reported at the onramp from Sausalito to northbound US Highway 101. The Marin City onramp to the northbound lanes was also completely flooded.
Coastal Flood Coastal Flood
Coastal flooding due to King Tides was reported at northbound US Highway 101 and Sir Francis Drake Boulevard. One to two feet of standing water was blocking lanes 3 and 4.
Coastal Flood Coastal Flood
Via video posted on social media. Flooding reported on the bike path near US Highway 101 between Mill Valley and Sausalito. Cyclists seen holding bikes above the water and wading along the bike path.
Coastal Flood Coastal Flood
Roadway flooding was reported on the Seminary onramp to southbound US Highway 101.
At least four separate traffic accidents occurred on Vasco Road near Livermore on the afternoon of December 12, with at least two people injured in the accidents. Vasco Road was closed from 2:40 PM to 4:00 PM due to the hazardous conditions.
Strong Wind Strong Wind
A downed tree blocked the eastbound lanes of Occidental Road at Sanford Road near Sebastopol.
Strong Wind Strong Wind
A downed tree blocked Vine Hill Road east of Forestville.
A paddle boarder went missing in the San Pablo Bay off the coast of China Camp. The paddle boarder was last seen on December 14 wearing a black wetsuit and black beanie. The Coast Guard found his paddleboard on the morning of December 16 along the shoreline of Contra Costa County…
One person was injured when a tree fell on their home on Cozey Court in Forestville. The Sonoma County Fire District responded to the home after the report at 4:30 PM.
Wildfire Wildfire
The Point Fire started near Stewarts Point Skaggs Springs Road in the Dry Creek valley north of Healdsburg, and was first detected at 12:33 PM on June 16. The fire destroyed ten structures, including three homes, and damaged another two homes. The fire was contained on June 24th.
Several people were overcome by the heat at the American Canyon High School graduation. Three people were taken to the hospital and two more got medical attention on site. Temperatures in the area reached 91 degrees.
A tree fell on a car on northbound US Highway 101 near Todd Road in Santa Rosa, injuring a man inside and closing the highway.
Heat Heat
The Santa Rosa co-op site tied the daily record of 99, also achieved in 1935.
Excessive Heat Excessive Heat
The Santa Rosa co-op site recorded a daily record high of 104, from a previous record of 101 in 1972.
High Wind High Wind
Trained spotter around 1 mile south of Sausalito reported a gust of 65 mph.
Strong Wind Strong Wind
A spotter at the Healdsburg Municipal Airport reported port-a-potties being blown down the road and large trash dumpsters blown out onto the roadway.
Strong Wind Strong Wind
A tree fell onto power lines between Gurneville and Forestville, starting a fire.
Five people were transported to hospitals after black ice caused a three-car collision on US Highway 101 near the community of Asti, south of Cloverdale.
Strong Wind Strong Wind
A redwood tree fell onto a double wide mobile home on the 2800 block of Joy Road in Occidental, killing a 2-year old boy when the tree pinned him down on the couch in the home's living room. Rescue crews were called around 5:15 PM, and performed CPR on the boy, but the boy died a…
Heat Heat
Santa Rosa set an all-time record high temperature of 115 deg, beating its previous record 113 deg set in 1913. Downtown Napa set an all-time record high temperature of 114 deg, beating its previous record 113 deg set in 1961.
Heat Heat
Santa Rosa Coop site set a new monthly max temperature record of 112 deg., breaking the previous record of 110 deg recorded in 2020, 2017, and 1971. Napa Coop site set a new daily max temperature record of 109 deg., breaking the previous record of 102 deg. set in 2020. Kentfield …
Four calls received by EMS for heat-related illness. Of those, three were low-priority and one was Code 3 (emergency).
Coastal Flood Coastal Flood
Route 101 NB at Stinson Beach - SR 1 north offramp closed due to flooding.
Coastal Flood Coastal Flood
Route 101 NB at Stinson Beach - SR 1 north offramp closed due to flooding.
Coastal Flood Coastal Flood
Route 101 NB at Stinson Beach - SR 1 north offramp closed due to flooding.
Heat Heat
Downtown Napa and Santa Rosa reached 104 degrees. Several other cities in the valleys reached the low to mid 100s.
Heat Heat
Sonoma County Airport reached a high of 102 degrees.
Strong Wind Strong Wind
Strong winds toppled a tree which crushed a vehicle in a parking lot of a store in Sebastopol. https://www.pressdemocrat.com/article/news/strong-winds-down-tree-in-sebastopol-calmer-weather-conditions-ahead/?artslide=1.
Strong Wind Strong Wind
The Petaluma Police Department received multiple reports of downed power lines. One was located at Petaluma Boulevard South and Mountainview Avenue, where power was reportedly out. Southbound traffic was being diverted. The other downed line blocked traffic at St. Francis and Cau…
Events by year, as a table
| Year | Events | Tornadoes |
|---|---|---|
| 2026 | 17 | 0 |
| 2025 | 3 | 0 |
| 2024 | 6 | 0 |
| 2023 | 7 | 0 |
| 2022 | 10 | 0 |
| 2021 | 17 | 0 |
| 2020 | 16 | 0 |
| 2019 | 39 | 0 |
| 2018 | 9 | 0 |
| 2017 | 4 | 0 |
| 2016 | 2 | 0 |
| 2015 | 12 | 0 |
| 2014 | 13 | 0 |
| 2013 | 8 | 0 |
| 2012 | 25 | 0 |
| 2011 | 15 | 0 |
| 2010 | 9 | 0 |
| 2009 | 6 | 0 |
| 2008 | 3 | 0 |
| 2007 | 1 | 0 |
| 2006 | 3 | 0 |
Search your address
See every tornado that passed within 25 miles of a place in North Bay Interior Valleys County, measured to its path.
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