Alert archive / California / Tornado Warnings in 2008
Tornado Warning 2, NWS San Diego, CA
NWS San Diego, CA issued this tornado warning at May 22, 2008, 4:56 PM PDT for Riverside County, California. It was in force for 34 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
- May 22, 2008, 4:56 PM PDT (23:56 UTC)
- Expired
- May 22, 2008, 5:30 PM PDT
- In force
- 34 min
- Issued by
- NWS San Diego, CA
- Area
- Storm-based polygon
County Riverside County, CA
The radar
The Santa Ana Mts radar (KSOX), 44 km from the middle of the area, began a volume at 23:55 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, 11.9 hours before the alert went out and 107 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
- 720 m above ground
- 0-6 km bulk shear
- 105 kt
- 0-1 km storm-relative helicity
- -7 m²/s²
- 0-3 km storm-relative helicity
- 82 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 222356
TORSGX
CAC065-230030-
/O.NEW.KSGX.TO.W.0002.080522T2356Z-080523T0030Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SAN DIEGO CA
456 PM PDT THU MAY 22 2008
THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A
* TORNADO WARNING FOR...
WEST CENTRAL RIVERSIDE COUNTY IN SOUTHWEST CALIFORNIA...
* UNTIL 530 PM PDT
* AT 451 PM PDT...TRAINED WEATHER SPOTTERS REPORTED A FUNNEL CLOUD
NEAR PERRIS...OR 7 MILES SOUTH OF MORENO VALLEY...MOVING SOUTH AT
10 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SUN
CITY AND CANYON LAKE
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 3378 11710 3367 11705 3364 11716 3366 11728
3390 11727 3391 11720
TIME...MOT...LOC 2356Z 358DEG 12KT 3381 11722
$$
SCV3 follow-up statements
000
WWUS56 KSGX 230000
SVSSGX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN DIEGO CA
459 PM PDT THU MAY 22 2008
CAC065-230030-
/O.CON.KSGX.TO.W.0002.000000T0000Z-080523T0030Z/
RIVERSIDE CA-
459 PM PDT THU MAY 22 2008
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM PDT FOR WEST
CENTRAL RIVERSIDE COUNTY...
AT 451 PM PDT...TRAINED WEATHER SPOTTERS REPORTED A FUNNEL CLOUD
OVER THE 215 FREEWAY BETWEEN MARCH FIELD AND PERRIS...MOVING SOUTH
AT 15 MPH. THIS STORM HAS A HISTORY OF PRODUCING TORNADOES.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
HOMELAND...ROMOLAND...SUN CITY...QUAIL VALLEY...WINCHESTER AND CANYON
LAKE
DO NOT USE HIGHWAY OVERPASSES FOR SHELTER. OVERPASSES DO NOT PROVIDE
PROTECTION FROM TORNADIC WINDS. VEHICLES STOPPED UNDER BRIDGES BLOCK
TRAFFIC AND PREVENT PEOPLE FROM GETTING OUT OF THE STORMS PATH AND
TO SHELTER. IF YOU CANNOT DRIVE AWAY FROM THE TORNADO...GET OUT OF
YOUR VEHICLE AND LIE FLAT IN A DITCH AS A LAST RESORT.
THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.
IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
LAT...LON 3378 11710 3367 11705 3364 11716 3366 11728
3390 11727 3391 11720
TIME...MOT...LOC 2359Z 358DEG 12KT 3380 11722
$$
SCV000
WWUS56 KSGX 230006
SVSSGX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN DIEGO CA
503 PM PDT THU MAY 22 2008
CAC065-230030-
/O.CON.KSGX.TO.W.0002.000000T0000Z-080523T0030Z/
RIVERSIDE CA-
503 PM PDT THU MAY 22 2008
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM PDT FOR WEST
CENTRAL RIVERSIDE COUNTY...
AT 455 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR PERRIS...OR ABOUT
4 MILS SOUTHWEST OF MARCH FIELD...NOW MOVING WEST SOUTHWEST AT 10
MPH. THIS TORNADO WILL BE 4 MILES SOUTH OF WOODCREST AT 515 PM.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
HOMELAND...ROMOLAND...SUN CITY...QUAIL VALLEY...WINCHESTER AND CANYON
LAKE
DO NOT USE HIGHWAY OVERPASSES FOR SHELTER. OVERPASSES DO NOT PROVIDE
PROTECTION FROM TORNADIC WINDS. VEHICLES STOPPED UNDER BRIDGES BLOCK
TRAFFIC AND PREVENT PEOPLE FROM GETTING OUT OF THE STORMS PATH AND
TO SHELTER. IF YOU CANNOT DRIVE AWAY FROM THE TORNADO...GET OUT OF
YOUR VEHICLE AND LIE FLAT IN A DITCH AS A LAST RESORT.
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 3378 11710 3367 11705 3364 11716 3366 11728
3390 11727 3391 11720
TIME...MOT...LOC 0003Z 358DEG 12KT 3379 11722
$$
SCV000
WWUS56 KSGX 230027
SVSSGX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN DIEGO CA
525 PM PDT THU MAY 22 2008
CAC065-230035-
/O.EXP.KSGX.TO.W.0002.000000T0000Z-080523T0030Z/
RIVERSIDE CA-
525 PM PDT THU MAY 22 2008
...THE TORNADO WARNING FOR THE AREA ALONG THE 215 FREEWAY NEAR MARCH
FIELD WILL EXPIRE AT 530 PM PDT. THE TORNADO HAS DISSIPATED AND IS
NO LONGER A THREAT.
LAT...LON 3378 11710 3367 11705 3364 11716 3366 11728
3390 11727 3391 11720
TIME...MOT...LOC 0025Z 358DEG 12KT 3372 11722
$$
SCVThe office that day
Everything else NWS San Diego, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 22, 3:27 AM PDT | Marine Weather Statement | SGX | 42 hr | |
| May 22, 12:01 PM PDT | Flash Flood Warning | SGX | Orange, Riverside, San Bernardino | 59 min |
| May 22, 12:05 PM PDT | Severe Thunderstorm Warning | SGX | Riverside | 40 min |
| May 22, 12:37 PM PDT | Flash Flood Warning | SGX | San Diego | 113 min |
| May 22, 12:55 PM PDT | Flash Flood Warning | SGX | Orange, Riverside | 2 hr |
| May 22, 1:00 PM PDT | Severe Thunderstorm Warning | SGX | San Diego | 45 min |
| May 22, 2:15 PM PDT | Flash Flood Warning | SGX | San Diego | 2 hr |
| May 22, 3:46 PM PDT | Severe Thunderstorm Warning | SGX | Riverside, San Bernardino | 44 min |
| May 22, 3:50 PM PDT | Flash Flood Warning | SGX | Riverside, San Bernardino | 85 min |
| May 22, 4:29 PM PDT | Severe Thunderstorm Warning | SGX | Riverside, San Bernardino | 46 min |
| May 22, 4:45 PM PDT | Tornado Warning | SGX | Riverside, San Bernardino | 15 min |
Nearby
Tornado Warnings in California, 2008Every tornado warning in 2008Tornadoes in 2008
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.