Alert archive / California / Tornado Warnings in 2005
Tornado Warning 13, NWS Sacramento, CA
NWS Sacramento, CA issued this tornado warning at Dec 31, 2005, 12:29 PM PST for Tehama County, California. It was in force for 16 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Dec 31, 2005, 12:29 PM PST (20:29 UTC)
- Expired
- Dec 31, 2005, 12:45 PM PST
- In force
- 16 min
- Issued by
- NWS Sacramento, CA
- Area
- Counties, with a storm outline in the text
County Tehama County, CA
The radar
The Beale AFB radar (KBBX), 79 km from the middle of the area, began a volume at 20:31 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Oakland, CA (KOAK), launched 12:00Z, 8.5 hours before the alert went out and 279 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 602 m above ground
- 0-6 km bulk shear
- 71 kt
- 0-1 km storm-relative helicity
- 324 m²/s²
- 0-3 km storm-relative helicity
- 499 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS56 KSTO 312029 TORSTO CAC103-312045- /O.NEW.KSTO.TO.W.0013.051231T2029Z-051231T2045Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE SACRAMENTO CA 1229 PM PST SAT DEC 31 2005 THE NATIONAL WEATHER SERVICE IN SACRAMENTO HAS ISSUED A * TORNADO WARNING FOR... EAST CENTRAL TEHAMA COUNTY IN CALIFORNIA * UNTIL 1245 PM PST * AT 1225 PM PST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO OVER EAST CENTRAL TEHAMA COUNTY...OR ABOUT 15 MILES SOUTHWEST OF MINERAL... MOVING EAST AT 40 MPH. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. LAT...LON 4027 12180 4009 12180 4012 12150 4029 12147 $$
2 follow-up statements
000 WWUS56 KSTO 312040 SVSSTO SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE SACRAMENTO CA 1238 PM PST SAT DEC 31 2005 CAC103-312045- /O.CON.KSTO.TO.W.0013.000000T0000Z-051231T2045Z/ TEHAMA CA- 1238 PM PST SAT DEC 31 2005 ...A TORNADO WARNING CONTINUES UNTIL 1245 PM PST FOR EAST CENTRAL TEHAMA COUNTY... AT 1235 PM PST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A THUNDERSTORM WITH STRONG ROTATION. A POSSIBLE TORNADO IS LOCATED OVER EAST CENTRAL TEHAMA COUNTY...OR ABOUT 15 MILES SOUTHEAST OF PAYNES CREEK...MOVING EAST AT 35 MPH...AND WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS OF EAST CENTRAL TEHAMA COUNTY. LAT...LON 4027 12180 4009 12180 4012 12150 4029 12147 $$
000 WWUS56 KSTO 312046 SVSSTO SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE SACRAMENTO CA 1245 PM PST SAT DEC 31 2005 CAC103-312054- /O.EXP.KSTO.TO.W.0013.000000T0000Z-051231T2045Z/ TEHAMA CA- 1245 PM PST SAT DEC 31 2005 ...THE TORNADO WARNING FOR EAST CENTRAL TEHAMA COUNTY EXPIRES AT 1245 PM PST... RADAR INDICATES THE THUNDERSTORM THAT GENERATED A POSSIBLE TORNADO OVER EAST CENTRAL TEHAMA COUNTY HAS WEAKENED. LAT...LON 4027 12180 4009 12180 4012 12150 4029 12147 $$
The office that day
Everything else NWS Sacramento, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 31, 7:41 AM PST | Flash Flood Warning | STO | Yolo | 7 hr |
| Dec 31, 10:26 AM PST | Severe Thunderstorm Warning | STO | Sacramento, San Joaquin | 49 min |
Nearby
Tornado Warnings in California, 2005Every tornado warning in 2005Tornadoes in 2005
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.