Alert archive / California / Tornado Warnings in 2011
Tornado Warning 8, NWS Sacramento, CA
NWS Sacramento, CA issued this tornado warning at Jun 1, 2011, 5:32 PM PDT for Butte County, Sutter County, Yuba County, California. It was in force for 43 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
- Jun 1, 2011, 5:32 PM PDT (00:32 UTC)
- Expired
- Jun 1, 2011, 6:15 PM PDT
- In force
- 43 min
- Issued by
- NWS Sacramento, CA
- Area
- Storm-based polygon
Counties Butte County, CA, Sutter County, CA, Yuba County, CA
The radar
The Beale AFB radar (KBBX), 26 km from the middle of the area, began a volume at 00:34 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 00:00Z, 0.5 hours before the alert went out and 182 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
- 5 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 1087 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 40 m²/s²
- 0-3 km storm-relative helicity
- 74 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
666 WFUS56 KSTO 020032 TORSTO CAC007-101-115-020115- /O.NEW.KSTO.TO.W.0008.110602T0032Z-110602T0115Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE SACRAMENTO CA 532 PM PDT WED JUN 1 2011 THE NATIONAL WEATHER SERVICE IN SACRAMENTO HAS ISSUED A * TORNADO WARNING FOR... EASTERN SUTTER COUNTY IN CENTRAL CALIFORNIA... WEST CENTRAL YUBA COUNTY IN CENTRAL CALIFORNIA... THIS INCLUDES THE CITY OF MARYSVILLE... SOUTH CENTRAL BUTTE COUNTY IN NORTHERN CALIFORNIA... * UNTIL 615 PM PDT * AT 530 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR LIVE OAK... OR 8 MILES NORTHWEST OF MARYSVILLE...MOVING NORTHEAST AT 15 MPH. * THE TORNADO WILL BE NEAR... IOWA CITY BY 610 PM PDT... 7 MILES NORTHWEST OF BROWNS VALLEY BY 615 PM PDT... PRECAUTIONARY/PREPAREDNESS ACTIONS... THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...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 3939 12146 3919 12138 3914 12160 3929 12176 TIME...MOT...LOC 0032Z 240DEG 12KT 3925 12165 $$ SG
2 follow-up statements
945 WWUS56 KSTO 020054 SVSSTO SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE SACRAMENTO CA 554 PM PDT WED JUN 1 2011 CAC007-101-115-020115- /O.CON.KSTO.TO.W.0008.000000T0000Z-110602T0115Z/ SUTTER CA-YUBA CA-BUTTE CA- 554 PM PDT WED JUN 1 2011 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM PDT FOR SOUTH CENTRAL BUTTE...WEST CENTRAL YUBA AND NORTH CENTRAL SUTTER COUNTIES... AT 548 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR LIVE OAK...OR 9 MILES NORTH OF MARYSVILLE...MOVING NORTHEAST AT 15 MPH. THE TORNADO WILL BE NEAR... IOWA CITY BY 610 PM PDT... 7 MILES NORTHWEST OF BROWNS VALLEY BY 615 PM PDT... SPOTTERS AND LAW ENFORCEMENT HAVE CONFIRMED VISUAL SIGHTING OF A TORNADO IN THE LAST TEN MINUTES. THE TORNADO TOUCHED DOWN ALONG HIGHWAY 99 NEAR LOMO CROSSING NORTH OF YUBA CITY ABOUT 5 MINUTES AGO. THE TORNADO APPEARS TO BE DISSIPATING AT THE PRESENT TIME...BUT THE STORM REMAINS DANGEROUS AS THE FUNNEL COULD TOUCH BACK DOWN ANY TIME. THE TORNADO WARNING WILL CONTINUE UNTIL 615 PM. PRECAUTIONARY/PREPAREDNESS ACTIONS... THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. && LAT...LON 3939 12146 3919 12138 3914 12160 3929 12176 TIME...MOT...LOC 0051Z 240DEG 12KT 3928 12158 $$ SG
977 WWUS56 KSTO 020110 SVSSTO SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE SACRAMENTO CA 610 PM PDT WED JUN 1 2011 CAC007-101-115-020120- /O.EXP.KSTO.TO.W.0008.000000T0000Z-110602T0115Z/ SUTTER CA-YUBA CA-BUTTE CA- 610 PM PDT WED JUN 1 2011 ...THE TORNADO WARNING FOR SOUTH CENTRAL BUTTE...WEST CENTRAL YUBA AND NORTH CENTRAL SUTTER COUNTIES WILL EXPIRE AT 615 PM PDT... A TORNADO WARNING REMAINS IN EFFECT FOR EXTREME SOUTHWESTERN NEVADA COUNTY IN CENTRAL CALIFORNIA...WEST CENTRAL PLACER COUNTY IN CENTRAL CALIFORNIA...EAST CENTRAL SUTTER COUNTY IN CENTRAL CALIFORNIA... AND SOUTHWESTERN YUBA COUNTY IN CENTRAL CALIFORNIA UNTIL 645 PM... LAT...LON 3939 12146 3919 12138 3914 12160 3929 12176 TIME...MOT...LOC 0110Z 240DEG 12KT 3931 12151 $$ SG
The office that day
Everything else NWS Sacramento, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 1, 5:55 PM PDT | Special Weather Statement | STO | Butte | 50 min |
| Jun 1, 6:04 PM PDT | Tornado Warning | STO | Nevada, Placer, Sutter, Yuba | 41 min |
| Jun 1, 6:07 PM PDT | Special Weather Statement | STO | Sacramento | 38 min |
| Jun 1, 7:02 PM PDT | Special Weather Statement | STO | Butte, Sutter, Yuba | 58 min |
Nearby
Tornado Warnings in California, 2011Every tornado warning in 2011Tornadoes in 2011
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.