Alert archive / California / Tornado Warnings in 2016

Tornado Warning 4, NWS Sacramento, CA

January 23, 2016Tehama County, California

NWS Sacramento, CA issued this tornado warning at Jan 23, 2016, 3:14 PM PST for Tehama County, California. It was in force for 46 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jan 23, 2016, 3:14 PM PST (23:14 UTC)
Expired
Jan 23, 2016, 4:00 PM PST
In force
46 min
Issued by
NWS Sacramento, CA
Area
Storm-based polygon

County Tehama County, CA

The radar

The Beale AFB radar (KBBX), 82 km from the middle of the area, began a volume at 23:17 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.

What was reported inside it

TimeReportWhereRemark
Jan 23, 3:26 PM PSTHAIL 0.54 S Red Bluff, CAHALF INCH HAIL FALLING ON INTERSTATE 5. HAIL IS 3 INCHES DEPTH ON ROADWAY.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Medford/Jackson, OR (KMFR), launched 12:00Z, 11.2 hours before the alert went out and 258 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, Medford/Jackson, OR at 12:00Z on 2016-01-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 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, Medford/Jackson, OR at 12:00Z on 2016-01-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 107 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
2 J/kg
Mixed-layer CIN
-93 J/kg
Mixed-layer LCL
842 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
107 m²/s²
0-3 km storm-relative helicity
381 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

133 
WFUS56 KSTO 232314
TORSTO
CAC103-240000-
/O.NEW.KSTO.TO.W.0004.160123T2314Z-160124T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SACRAMENTO CA
314 PM PST SAT JAN 23 2016

THE NATIONAL WEATHER SERVICE IN SACRAMENTO HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL TEHAMA COUNTY IN NORTHERN CALIFORNIA...

* UNTIL 400 PM PST
    
* AT 312 PM PST...TRAINED WEATHER SPOTTERS REPORTED A FUNNEL CLOUD
  NEAR PASKENTA ROAD SOUTH OF RED BLUFF. A TORNADO MAY DEVELOP AT
  ANY TIME. DOPPLER RADAR SHOWED THIS DANGEROUS STORM MOVING EAST
  SOUTHAST AT 8 MPH.

* LOCATIONS IMPACTED INCLUDE...
  I5 SOUTH OF RED BLUFF...TEHAMA...
  GERBER-LAS FLORES AND LOS MOLINOS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF YOU ARE IN A MOBILE HOME OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

MOTORISTS SHOULD NOT TAKE SHELTER UNDER HIGHWAY OVERPASSES. IF YOU
CANNOT SAFELY DRIVE AWAY FROM THE TORNADO...AS A LAST RESORT...EITHER
PARK YOUR VEHICLE AND STAY PUT...OR ABANDON YOUR VEHICLE AND LIE DOWN
IN A LOW LYING AREA AND PROTECT YOURSELF FROM FLYING DEBRIS.

IN ADDITION TO THE THREAT OF A TORNADO...LARGE HAIL AND HEAVY RAIN
WITH ROAD FLOODING ARE POSSIBLE.

&&

LAT...LON 4008 12231 4017 12224 4017 12201 3995 12214
TIME...MOT...LOC 2312Z 285DEG 6KT 4009 12223 

$$

EK
2 follow-up statements
871 
WWUS56 KSTO 232334
SVSSTO

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SACRAMENTO CA
334 PM PST SAT JAN 23 2016

CAC103-240000-
/O.CON.KSTO.TO.W.0004.000000T0000Z-160124T0000Z/
TEHAMA CA-
334 PM PST SAT JAN 23 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 400 PM PST FOR CENTRAL
TEHAMA COUNTY...
    
AT 328 PM PST...TRAINED WEATHER SPOTTERS REPORTED A FUNNEL CLOUD 7
MILES SOUTHWEST OF RED BLUFF. A TORNADO MAY DEVELOP AT ANY TIME.
THIS DANGEROUS STORM WAS LOCATED 7 MILES SOUTH OF RED BLUFF OVER
I5...SLOWLY MOVING EAST SOUTHEAST AT 5 MPH.

IN ADDITION...AT SMALL HAIL 3 INCHES DEEP WAS REPORTED ON I5 4 MILES
SOUTH OF RED BLUFF. TRAFFIC IS AT A STANDSTILL AND NUMEROUS
ACCIDENTS HAVE BEEN REPORTED.

LOCATIONS IMPACTED INCLUDE... I5 SOUTH OF RED BLUFF...RICHFIELD
TEHAMA...GERBER-LAS FLORES AND LOS MOLINOS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF YOU ARE IN A MOBILE HOME OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

MOTORISTS SHOULD NOT TAKE SHELTER UNDER HIGHWAY OVERPASSES. IF YOU
CANNOT SAFELY DRIVE AWAY FROM THE TORNADO...AS A LAST RESORT...EITHER
PARK YOUR VEHICLE AND STAY PUT...OR ABANDON YOUR VEHICLE AND LIE DOWN
IN A LOW LYING AREA AND PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4006 12227 4015 12223 4017 12201 3995 12214
TIME...MOT...LOC 2328Z 285DEG 6KT 4008 12220 

$$

EK
606 
WWUS56 KSTO 240000
SVSSTO

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SACRAMENTO CA
400 PM PST SAT JAN 23 2016

CAC103-240005-
/O.EXP.KSTO.TO.W.0004.000000T0000Z-160124T0000Z/
TEHAMA CA-
400 PM PST SAT JAN 23 2016

...THE TORNADO WARNING FOR CENTRAL TEHAMA COUNTY WILL EXPIRE AT 400
PM PST...
        
THE STORM WHICH PROMPTED THE WARNING IS EXITING TO THE SOUTH OF THE
WARNED AREA. THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE. 

REMEMBER...A SEVERE THUNDERSTORM WARNING STILL REMAINS IN EFFECT FOR
SOUTH CENTRAL TEHAMA COUNTY AND NORTHWESTERN BUTTE COUNTY. 

SEVERE THUNDERSTORMS CAN PRODUCE DAMAGING WINDS...DESTRUCTIVE
HAIL... DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR
PROTECTION...MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

LAT...LON 4006 12227 4015 12223 4017 12201 3995 12214
TIME...MOT...LOC 2353Z 285DEG 6KT 4008 12220 

$$

EK

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 23, 1:25 PM PSTSpecial Weather StatementSTOTehama35 min
Jan 23, 2:20 PM PSTSpecial Weather StatementSTOTehama40 min
Jan 23, 2:36 PM PSTTornado WarningSTOTehama39 min
Jan 23, 3:51 PM PSTSevere Thunderstorm WarningSTOButte, Tehama54 min

Nearby

Tornado Warnings in California, 2016Every tornado warning in 2016Tornadoes in 2016

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.