Alert archive / California / Tornado Warnings in 2005

Tornado Warning 4, NWS San Diego, CA

March 4, 2005San Bernardino County, California

NWS San Diego, CA issued this tornado warning at Mar 4, 2005, 3:02 PM PST for San Bernardino County, California. It was in force for 116 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 4, 2005, 3:02 PM PST (23:02 UTC)
Expired
Mar 4, 2005, 4:58 PM PST
In force
116 min
Issued by
NWS San Diego, CA
Area
Counties, with a storm outline in the text

County San Bernardino County, CA

The nearest sounding before it

San Diego, CA (KNKX), launched 12:00Z, 11.0 hours before the alert went out and 189 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, San Diego, CA at 12:00Z on 2005-03-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, San Diego, CA at 12:00Z on 2005-03-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 6 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
621 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
6 m²/s²
0-3 km storm-relative helicity
6 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.

000 
WFUS56 KSGX 042303
TORSGX
CAC071-050000-
/O.NEW.KSGX.TO.W.0004.050304T2302Z-050305T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SAN DIEGO CA
302 PM PST FRI MAR 4 2005

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A

* TORNADO WARNING FOR...
  WEST CENTRAL SAN BERNARDINO COUNTY IN SOUTHEAST CALIFORNIA
  THIS INCLUDES THE CITY OF APPLE VALLEY

* UNTIL 400 PM PST

* AT 254 PM PST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR LUCERNE
  VALLEY...OR ABOUT 18 MILES EAST OF APPLE VALLEY...MOVING NORTHWEST
  AT 15 MPH.

* THE SEVERE THUNDERSTORM WITH THE POSSIBLE TORNADO IS EXPECTED TO
  BE NEAR...
  LUCERNE VALLEY THROUGH 315 PM PST
  5 MILES NORTHEAST OF APPLE VALLEY BY 330 PM PST

OTHER THREATS WITH THIS THUNDERSTORM WILL INCLUDE DAMAGING WINDS 
GREATER THAN 60 MPH...LARGE HAIL AND HEAVY RAINS WHICH COULD PRODUCE 
FLOODING OR MUDSLIDES.

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 3434 11692 3442 11674 3479 11692 3454 11732

$$

MAXWELL
2 follow-up statements
000 
WWUS56 KSGX 042333
SVSSGX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN DIEGO CA
330 PM PST FRI MAR 4 2005

CAC071-050000-
/O.CON.KSGX.TO.W.0004.000000T0000Z-050305T0000Z/
SAN BERNARDINO CA-
330 PM PST FRI MAR 4 2005

...A TORNADO WARNING CONTINUES UNTIL 400 PM PST FOR WEST CENTRAL SAN
BERNARDINO COUNTY...

AT 324 PM PST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO ABOUT 8 MILES 
NORTHWEST OF LUCERNE VALLEY...OR ABOUT 10 MILES EAST OF APPLE 
VALLEY...MOVING NORTHWEST AT 15 MPH. AREAS IN GREATEST DANGER 
THROUGH 400 MPH WILL BE NORTH OF HIGHWAY 18 BETWEEN LUCERNE VALLEY 
AND APPLE VALLEY.

THE SEVERE THUNDERSTORM WITH THE POTENTIAL TO PRODUCE A TORNADO WILL 
BE...
  8 MILES NORTHEAST OF APPLE VALLEY BY 345 PM PST

OTHER THREATS WITH THIS THUNDERSTORM WILL INCLUDE DAMAGING WINDS 
GREATER THAN 60 MPH...HAIL AND HEAVY RAINS WHICH COULD PRODUCE 
FLOODING OR MUDSLIDES.

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 3434 11692 3442 11674 3479 11692 3454 11732

$$

MAXWELL
000 
WWUS56 KSGX 042358
SVSSGX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN DIEGO CA
357 PM PST FRI MAR 4 2005

CAC071-050010-
/O.EXP.KSGX.TO.W.0004.000000T0000Z-050305T0000Z/
SAN BERNARDINO CA-
357 PM PST FRI MAR 4 2005

...THE TORNADO WARNING FOR WEST CENTRAL SAN BERNARDINO COUNTY EXPIRES
AT 400 PM PST...

THE SEVERE THUNDERSTORM WHICH WAS CAPABLE OF PRODUCING A TORNADO 
NEAR LUCERNE VALLEY HAS DIMINISHED RAPIDLY SINCE 330 PM. 
HOWEVER...OTHER THUNDERSTORMS WILL BE POSSIBLE THE REST OF THE 
AFTERNOON OVER THE HIGH DESERTS.

LAT...LON 3434 11692 3442 11674 3479 11692 3454 11732

$$

MAXWELL

Nearby

Tornado Warnings in California, 2005Every tornado warning in 2005Tornadoes in 2005

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.