Alert archive / California / Tornado Warnings in 2006

Tornado Warning 2, NWS Sacramento, CA

February 28, 2006Sacramento County, Solano County, Yolo County, California

NWS Sacramento, CA issued this tornado warning at Feb 28, 2006, 9:58 AM PST for Sacramento County, Solano County, Yolo County, California. It was in force for 30 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
Feb 28, 2006, 9:58 AM PST (17:58 UTC)
Expired
Feb 28, 2006, 10:28 AM PST
In force
30 min
Issued by
NWS Sacramento, CA
Area
Counties, with a storm outline in the text

Counties Sacramento County, CA, Solano County, CA, Yolo County, CA

The radar

The Sacramento radar (KDAX), 28 km from the middle of the area, began a volume at 17:58 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, 6.0 hours before the alert went out and 69 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.

Skew-T log-pSkew-T log-p diagram, Oakland, CA at 12:00Z on 2006-02-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 92 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Oakland, CA at 12:00Z on 2006-02-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -109 square meters per square second.1939587897117136156Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
92 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
763 m above ground
0-6 km bulk shear
79 kt
0-1 km storm-relative helicity
-109 m²/s²
0-3 km storm-relative helicity
-39 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WFUS56 KSTO 281801
TORSTO
CAC067-095-113-281830-
/O.NEW.KSTO.TO.W.0002.060228T1758Z-060228T1830Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
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
2 follow-up statements
000 
WWUS56 KSTO 281822
SVSSTO

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SACRAMENTO CA
1020 AM PST TUE FEB 28 2006

CAC067-095-113-281830-
/O.CON.KSTO.TO.W.0002.000000T0000Z-060228T1830Z/
YOLO CA-SACRAMENTO CA-SOLANO CA-
1020 AM PST TUE FEB 28 2006

...A TORNADO WARNING CONTINUES UNTIL 1030 AM PST FOR EAST CENTRAL
SOLANO...WEST CENTRAL SACRAMENTO AND SOUTHEASTERN YOLO COUNTIES...

AT 1015 AM PST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A POSSIBLE TORNADO.  THIS STORM WAS LOCATED OVER EXTREME 
EAST CENTRAL SOLANO COUNTY...OR ABOUT 14 MILES SOUTHEAST OF 
DIXON...MOVING EAST AT 30 MPH TOWARDS HIGHWAY 160.

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 3828 12148 3846 12153

$$

HS
000 
WWUS56 KSTO 281828
SVSSTO

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SACRAMENTO CA
1028 AM PST TUE FEB 28 2006

CAC067-095-113-281840-
/O.CAN.KSTO.TO.W.0002.000000T0000Z-060228T1830Z/
YOLO CA-SACRAMENTO CA-SOLANO CA-
1028 AM PST TUE FEB 28 2006

...THE TORNADO WARNING FOR EAST CENTRAL SOLANO...WEST CENTRAL
SACRAMENTO AND SOUTHEASTERN YOLO COUNTIES IS CANCELLED...
ADDITIONAL THUNDERSTORMS ARE EXPECTED IN THE SACRAMENTO VALLEY AND 
DELTA AREA THROUGH THIS AFTERNOON. 

LAT...LON 3828 12196 3812 12184 3828 12148 3846 12153

$$

HS

The office that day

Everything else NWS Sacramento, CA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 27, 8:38 PM PSTSevere Thunderstorm WarningSTOEl Dorado, Nevada, Placer, Sacramento, San Joaquin, Solano and 3 more49 min
Feb 28, 9:15 AM PSTWinter Weather AdvisorySTO11 hr
Feb 28, 9:30 AM PSTTornado WarningSTOSolano30 min
Feb 28, 11:21 AM PSTSevere Thunderstorm WarningSTOSacramento23 min
Feb 28, 2:17 PM PSTWinter Storm WatchSTO13 hr
Feb 28, 3:46 PM PSTSevere Thunderstorm WarningSTOEl Dorado, Sacramento29 min
Feb 28, 3:47 PM PSTSevere Thunderstorm WarningSTOSan Joaquin36 min

Nearby

Tornado Warnings in California, 2006Every tornado warning in 2006Tornadoes in 2006

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.