Alert archive / California / Tornado Warnings in 2014

Tornado Warning 9, NWS Sacramento, CA

March 26, 2014El Dorado County, Placer County, California

NWS Sacramento, CA issued this tornado warning at Mar 26, 2014, 7:00 PM PDT for El Dorado County, Placer County, California. It was in force for 45 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
Mar 26, 2014, 7:00 PM PDT (02:00 UTC)
Expired
Mar 26, 2014, 7:45 PM PDT
In force
45 min
Issued by
NWS Sacramento, CA
Area
Storm-based polygon

Counties El Dorado County, CA, Placer County, CA

The radar

The Sacramento radar (KDAX), 65 km from the middle of the area, began a volume at 02:01 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, 2.0 hours before the alert went out and 160 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 00:00Z on 2014-03-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 48 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 00:00Z on 2014-03-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 square meters per square second.1939587897Sfc1 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
48 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
859 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
51 m²/s²
0-3 km storm-relative helicity
101 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

042 
WFUS56 KSTO 270200
TORSTO
CAC017-061-270245-
/O.NEW.KSTO.TO.W.0009.140327T0200Z-140327T0245Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SACRAMENTO CA
700 PM PDT WED MAR 26 2014

THE NATIONAL WEATHER SERVICE IN SACRAMENTO HAS ISSUED A

* TORNADO WARNING FOR...
  WEST CENTRAL EL DORADO COUNTY IN CENTRAL CALIFORNIA...
  SOUTHWESTERN PLACER COUNTY IN CENTRAL CALIFORNIA...
  THIS INCLUDES THE CITY OF AUBURN...

* UNTIL 745 PM PDT

* AT 656 PM PDT...TRAINED WEATHER SPOTTERS CONTINUE TO REPORT FUNNEL 
CLOUDS WITH THE THUNDERSTORM NEAR NEWCASTLE AND EAST OF 
ROCKLIN...MOVING EAST AT 15 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO NORTH
  AUBURN

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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 3899 12109 3883 12102 3881 12118 3888 12131
TIME...MOT...LOC 0158Z 245DEG 30KT 3885 12118

$$

CS
1 follow-up statement
706 
WWUS56 KSTO 270218
SVSSTO

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SACRAMENTO CA
718 PM PDT WED MAR 26 2014

CAC017-061-270227-
/O.CAN.KSTO.TO.W.0009.000000T0000Z-140327T0245Z/
EL DORADO CA-PLACER CA-
718 PM PDT WED MAR 26 2014

...THE TORNADO WARNING FOR SOUTHWESTERN PLACER AND WEST CENTRAL EL
DORADO COUNTIES IS CANCELLED...

ROTATION WITH THE STORM HAS DIMINISHED AND RADAR NO LONGER INDICATES 
A TORNADO.

LAT...LON 3899 12109 3883 12102 3881 12118 3888 12131
TIME...MOT...LOC 0217Z 245DEG 30KT 3892 12100

$$

CS

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 26, 5:09 PM PDTTornado WarningSTOButte, Glenn51 min
Mar 26, 5:40 PM PDTTornado WarningSTOPlacer, Sacramento, Sutter50 min
Mar 26, 6:01 PM PDTTornado WarningSTOButte, Glenn44 min
Mar 26, 6:12 PM PDTTornado WarningSTOPlacer, Sacramento, Sutter48 min
Mar 26, 6:19 PM PDTSpecial Weather StatementSTOTehama41 min
Mar 26, 6:57 PM PDTSpecial Weather StatementSTOButte48 min
Mar 26, 7:33 PM PDTSpecial Weather StatementSTOButte42 min
Mar 27, 2:44 PM PDTWinter Storm WatchSTO13 hr

Nearby

Tornado Warnings in California, 2014Every tornado warning in 2014Tornadoes in 2014

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.