Alert archive / California / Tornado Warnings in 2004
Tornado Warning 1, NWS San Diego, CA
NWS San Diego, CA issued this tornado warning at Aug 14, 2004, 12:42 PM PDT for San Bernardino County, California. It was in force for 33 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
- Aug 14, 2004, 12:42 PM PDT (19:42 UTC)
- Expired
- Aug 14, 2004, 1:15 PM PDT
- In force
- 33 min
- Issued by
- NWS San Diego, CA
- Area
- Counties, with a storm outline in the text
County San Bernardino County, CA
The radar
The Santa Ana Mts radar (KSOX), 71 km from the middle of the area, began a volume at 19:44 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
San Diego, CA (KNKX), launched 12:00Z, 7.7 hours before the alert went out and 187 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1071 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- -40 m²/s²
- 0-3 km storm-relative helicity
- -11 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS56 KSGX 141942 TORSGX CAC071-142015- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE SAN DIEGO CA 1242 PM PDT SAT AUG 14 2004 THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A * TORNADO WARNING FOR... WEST CENTRAL SAN BERNARDINO COUNTY IN SOUTHEAST CALIFORNIA * UNTIL 115 PM PDT * AT 1232 PM PDT...LOCAL LAW ENFORCEMENT REPORTED A TORNADO NEAR PHELAN...OR ABOUT 14 MILES SOUTHWEST OF VICTORVILLE. THIS TORNADO WAS NEARLY STATIONARY. * THE TORNADO IS EXPECTED TO BE NEAR... RURAL WESTERN SAN BERNARDINO COUNTY AT 100 PM PDT AT 1240 PM...LAW ENFORCEMENT REPORTED A TORNADO ON THE GROUND NEAR PHELAN. THE TORNADO WAS REPORTED AS 1/2 MILE WIDE. 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 3441 11770 3432 11751 3450 11735 3461 11759 $$ LAVIS
The office that day
Everything else NWS San Diego, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 14, 4:30 AM PDT | Flash Flood Warning | SGX | Riverside | 90 min |
| Aug 14, 11:45 AM PDT | Flash Flood Warning | SGX | San Bernardino | 75 min |
| Aug 14, 12:45 PM PDT | Flash Flood Warning | SGX | San Diego | 75 min |
| Aug 14, 1:00 PM PDT | Flash Flood Warning | SGX | San Bernardino | 2 hr |
| Aug 14, 1:15 PM PDT | Flash Flood Warning | SGX | Riverside, San Bernardino | 105 min |
| Aug 14, 3:20 PM PDT | Flash Flood Warning | SGX | San Bernardino | 70 min |
| Aug 14, 3:40 PM PDT | Flash Flood Warning | SGX | San Diego | 80 min |
Nearby
Tornado Warnings in California, 2004Every tornado warning in 2004Tornadoes in 2004
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.