Flash Flood, Tuolumne
- When
- November 22, 3:00 PM PST to 7:00 PM PST
- Where
- Tuolumne County, Sonora
- Deaths
- 1 direct, 0 indirect
- Coordinates
- 38.028, -119.955 (the zone’s center; the record gives no point)
Flash Flood in California, November 22, 1996
Very heavy rain from a thunderstorm caused Hatch Creek to overflow its banks. A 70 year old woman drowned as she attempted to drive her car through a flooded section of roadway.
Where it happened
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The toll
- Deaths
- 1
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 1
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
What happened
The episode as NWS STO wrote it up.
Very heavy rain from a thunderstorm caused Hatch Creek to overflow its banks. A 70 year old woman drowned as she attempted to drive her car through a flooded section of roadway.
The radar
The Sacramento radar (KDAX), 159 km away, was scanning. The volume nearest the first event began at 23:02 UTC.
Event by event
1 flash flood. Local standard time, as filed.
The people who died
As the offices recorded each death: direct deaths were caused by the weather itself, indirect ones by something it set in motion.
| Event | Date | Age | Sex | Where | Kind |
|---|---|---|---|---|---|
| Flash Flood, Tuolumne | 1996-11-22 | 70 | Female | Vehicle/Towed Trailer | Direct |
What these are
- Flash Flood
- Flooding that begins within six hours of the rain that causes it, or of a dam or levee failure or ice jam release, often with deadly speed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Tornado in California, November 22, 1996
- Tornado in California, November 22, 1996
- Flash Flood in Arizona, November 22, 1996
- Heavy Snow in Minnesota, November 22 to 24, 1996
- Tornado in Arizona, November 22, 1996
- High Wind in Colorado, November 22, 1996
- High Wind in California, November 22, 1996
- Damaging Wind in Utah, November 22, 1996
- Heavy Snow in South Dakota, November 22 to 23, 1996
- Lightning Strike in California, November 22, 1996
- Winter Storm in Colorado, November 22 to 23, 1996
- Heavy Snow in Utah, November 22, 1996
More
Every storm in California in 1996Every state in 1996This day in weather historyWarnings in California, November 1996
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. Each event’s entry at NCEI: 5578685.