Alert archive / California / Tornado Warnings in 2014

Tornado Warning 2, NWS Sacramento, CA

March 26, 2014Glenn County, California

NWS Sacramento, CA issued this tornado warning at Mar 26, 2014, 3:16 PM PDT for Glenn County, California. It was in force for 29 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, 3:16 PM PDT (22:16 UTC)
Expired
Mar 26, 2014, 3:45 PM PDT
In force
29 min
Issued by
NWS Sacramento, CA
Area
Storm-based polygon

County Glenn County, CA

The radar

The Beale AFB radar (KBBX), 66 km from the middle of the area, began a volume at 22:17 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, 10.3 hours before the alert went out and 221 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 2014-03-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 46 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 2014-03-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 68 square meters per square second.19395878Sfc1 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
46 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
857 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
68 m²/s²
0-3 km storm-relative helicity
115 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.

695 
WFUS56 KSTO 262216
TORSTO
CAC021-262245-
/O.NEW.KSTO.TO.W.0002.140326T2216Z-140326T2245Z/

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

THE NATIONAL WEATHER SERVICE IN SACRAMENTO HAS ISSUED A

* TORNADO WARNING FOR...
  NORTH CENTRAL GLENN COUNTY IN NORTHERN CALIFORNIA...

* UNTIL 345 PM PDT

* AT 308 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
SEVERE THUNDERSTORM WITH EMBEDDED ROTATION CAPABLE OF PRODUCING A 
TORNADO OVER CENTRAL GLENN COUNTY...OR 7 MILES NORTHEAST OF ELK 
CREEK...MOVING VERY SLOW EAST NORTHEAST AT LESS THAN 10 MPH. IT 
SHOULD REMAIN WEST OF INTERSTATE 5 FOR FOR THE TIME BEING.

* THE TORNADO WILL BE NEAR...
  RURAL NORTHERN GLENN COUNTY AT 330 PM PDT

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

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 3980 12228 3964 12220 3961 12246 3972 12250
TIME...MOT...LOC 2212Z 235DEG 10KT 3967 12241

$$

JCLAPP
1 follow-up statement
452 
WWUS56 KSTO 262239
SVSSTO

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

CAC021-262245-
/O.CON.KSTO.TO.W.0002.000000T0000Z-140326T2245Z/
GLENN CA-
339 PM PDT WED MAR 26 2014

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 345 PM PDT FOR NORTH
CENTRAL GLENN COUNTY...

AT 330 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A TORNADO WITH HAIL.  THIS TORNADO WAS LOCATED OVER NORTH 
CENTRAL GLENN COUNTY...OR 10 MILES WEST OF ORLAND...MOVING NORTHEAST 
5 AT 10 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING HALF 
INCH TO ONE INCH SIZE HAIL THAT MAY ACCUMULATE ON GROUND.

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 3973 12247 3980 12228 3964 12220 3961 12244
TIME...MOT...LOC 2235Z 235DEG 10KT 3971 12234

$$

JCLAPP

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 25, 5:39 PM PDTWinter Storm WarningSTO41 hr
Mar 25, 5:39 PM PDTWinter Weather AdvisorySTO9 hr
Mar 25, 6:56 PM PDTSpecial Weather StatementSTOButte49 min
Mar 26, 2:53 PM PDTSpecial Weather StatementSTOGlenn37 min
Mar 26, 3:32 PM PDTSpecial Weather StatementSTOTehama58 min
Mar 26, 3:45 PM PDTTornado WarningSTOGlenn60 min
Mar 26, 4:14 PM PDTSpecial Weather StatementSTOSacramento46 min
Mar 26, 4:30 PM PDTTornado WarningSTOGlenn45 min
Mar 26, 4:41 PM PDTSpecial Weather StatementSTOShasta49 min

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.