Alert archive / California / Tornado Warnings in 2008
Tornado Warning 6, NWS San Diego, CA
NWS San Diego, CA issued this tornado warning at Nov 27, 2008, 4:51 AM PST for San Diego County, California. It was in force for 24 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
- Nov 27, 2008, 4:51 AM PST (12:51 UTC)
- Expired
- Nov 27, 2008, 5:15 AM PST
- In force
- 24 min
- Issued by
- NWS San Diego, CA
- Area
- Storm-based polygon
County San Diego County, CA
The radar
The San Diego radar (KNKX), 29 km from the middle of the area, began a volume at 12:52 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, 0.9 hours before the alert went out and 13 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
- 75 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 588 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 48 m²/s²
- 0-3 km storm-relative helicity
- 86 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000
WFUS56 KSGX 271251
TORSGX
CAC073-271315-
/O.NEW.KSGX.TO.W.0006.081127T1251Z-081127T1315Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SAN DIEGO CA
451 AM PST THU NOV 27 2008
THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHWESTERN SAN DIEGO COUNTY IN SOUTHWEST CALIFORNIA...
THIS INCLUDES THE CITIES OF...SAN DIEGO...CORONADO...
* UNTIL 515 AM PST
* AT 443 AM PST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A WATERSPOUT JUST EAST OF
POINT LOMA MOVING NORTHEAST AT 15 MPH.
* THIS WATERSPOUT COULD MOVE ONSHORE AS A TORNADO AT...
CORONADO BY 455 AM PST...
SAN DIEGO BY 505 AM PST...
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 3267 11719 3267 11722 3266 11724 3277 11714
3270 11707 3265 11717
TIME...MOT...LOC 1248Z 232DEG 12KT 3266 11720
$$
MARTIN1 follow-up statement
000
WWUS56 KSGX 271311
SVSSGX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN DIEGO CA
511 AM PST THU NOV 27 2008
CAC073-271318-
/O.EXP.KSGX.TO.W.0006.000000T0000Z-081127T1315Z/
SAN DIEGO CA-
511 AM PST THU NOV 27 2008
...THE TORNADO WARNING FOR SOUTHWESTERN SAN DIEGO COUNTY WILL EXPIRE
AT 515 AM PST...
RADAR SHOWS THE THUNDERSTORM THAT MAY HAVE PRODUCED A WATERSPOUT OR
TORNADO AS IT MOVED INLAND NEAR CORONADO CONTINUING TO WEAKEN. THE
TORNADO WARNING WILL BE ALLOWED TO EXPIRE AT 515 AM. THE WEAKENING
REMNANTS OF THIS STORM SHOULD BE NEAR INTERSTATE 15 AND STATE
HIGHWAY 94 AT THAT TIME.
LAT...LON 3267 11719 3267 11722 3266 11724 3277 11714
3270 11707 3265 11717
TIME...MOT...LOC 1308Z 232DEG 12KT 3270 11714
$$
MARTINThe office that day
Everything else NWS San Diego, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 26, 5:56 PM PST | Areal Flood Advisory | SGX | Riverside, San Bernardino | 3 hr |
| Nov 27, 5:25 AM PST | Special Marine Warning | SGX | 50 min | |
| Nov 27, 6:17 AM PST | Special Marine Warning | SGX | 28 min | |
| Nov 27, 8:08 AM PST | Special Marine Warning | SGX | 37 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.