Tornadoes - Davis Wiki

While not a terribly common weather condition, funnel clouds (which don't hit the ground) do occur in the region, occasionally becoming full-fledged tornadoes (which do hit the ground).

The vast majority of tornadoes around here are rated as F0 on the Fujita Scale with the rare occasion they might make it to F1. The Central Valley doesn't get severe enough storms to get anything much bigger — no tornadoes above F1 have ever been recorded in California.

No tornadoes have ever touched down in Davis. Check this

Recent Sightings

Feb. 28th, 2006 - A tornado touched down in eastern Fairfield.
Apr. 8, 2005 - Four tornados sighted in Sacramento region: one 9 miles north Of West Sacramento, one near Arco Arena, at the Sacramento Airport, one at Truxel and I-80.
Feb. 21, 2005 - Severe winds and at least one reported tornado hit West Sacramento and Natomas. The twister itself knocked over vehicles and tore gutters and roof tiles off buildings but did not cause major damage. No injuries were reported. Some photos of these twisters.
May 20, 2002 - A tornado touched town in Knights Landing (north of Woodland). No damage was reported.

Sources:

Example of EDIS message

From: EDIS Email Service [mailto:edisfwd@incident.com] 
Sent: Tuesday, February 28, 2006 10:07 AM
To: EDIS Email Recipient
Subject: [EDIS] TORNADO WARNING [FLASH: Sacramento Valley]

NATIONAL WEATHER SERVICE SACRAMENTO CA
958 AM PST TUE FEB 28 2006

THE NATIONAL WEATHER SERVICE IN SACRAMENTO HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHWESTERN ["SACRAMENTO COUNTY"] IN CALIFORNIA
  EAST CENTRAL ["SOLANO COUNTY"] IN CALIFORNIA
  EXTREME SOUTHEASTERN ["YOLO COUNTY"] IN CALIFORNIA

* UNTIL 1030 AM PST

* AT 954 AM PST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 8 MILES
  NORTHWEST OF RIO VISTA...OR ABOUT 11 MILES EAST OF SUISUN CITY...
  NEAR HIGHWAY 113 MOVING EAST AT 40 MPH TOWARDS HIGHWAY 160.

* THE TORNADO IS EXPECTED TO BE NEAR...
  RURAL EASTERN ["SOLANO COUNTY"] AT 1010 AM PST
  RURAL WESTERN ["SACRAMENTO COUNTY"] AT 1015 AM PST
  RURAL SOUTHEASTERN ["YOLO COUNTY"] AT 1010 AM PST

SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR
HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER
YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

LAT...LON 3828 12196 3812 12184 3821 12152 3842 12165

$$

HS

EDIS-02-28-06 1001 PST

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I recall seeing a tornado touch down from the Student Farm House back in the early nineties. - BenjaminMiller