Alert archive / California / Tornado Warnings in 2010
Tornado Warning 2, NWS San Diego, CA
NWS San Diego, CA issued this tornado warning at Jan 19, 2010, 1:28 PM PST for Orange County, California. It was in force for 22 min. 5 reports 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 19, 2010, 1:28 PM PST (21:28 UTC)
- Expired
- Jan 19, 2010, 1:50 PM PST
- In force
- 22 min
- Issued by
- NWS San Diego, CA
- Area
- Storm-based polygon
County Orange County, CA
The radar
The Santa Ana Mts radar (KSOX), 30 km from the middle of the area, began a volume at 21:27 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Jan 19, 1:30 PM PST | TSTM WND DMG | 3 Sw Costa Mesa, CA | STRONG THUNDERSTORM WINDS...POSSIBLY A TORNADO...TORE OFF PART OF THE ROOF A BUILDING IN AN INDUSTRIAL PARK AND DAMAGED NEARBY MOBILE HOMES. |
| Jan 19, 1:30 PM PST | TSTM WND GST 60 | Fremont Canyon, CA | A PEAK WIND GUST OF 60 MPH WAS MEASURED BY THE FREMONT CANYON RAWS. |
| Jan 19, 1:45 PM PST | TSTM WND DMG | Costa Mesa, CA | DAMAGE TO MOBILE HOMES REPORTED BY ORANGE COUNTY EMERGENCY MANAGEMENT |
| Jan 19, 1:45 PM PST | TSTM WND DMG | Seal Beach, CA | WIND DAMAGE TO BUILDINGS REPORTED IN SEAL BEACH BY ORANGE COUNTY EMERGENCY MANAGEMENT. |
| Jan 19, 1:45 PM PST | TORNADO | Huntington Beach, CA | PROBABLE TORNADO IN HUNTINGTON BEACH. BOATS UPLIFTED AND DAMAGED IN THE HB HARBOR. DAMAGE TO BUILDING IN AREAS. CAR FLIPPED 16400 PCH. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
San Diego, CA (KNKX), launched 12:00Z, 9.5 hours before the alert went out and 125 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
- 989 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 81 m²/s²
- 0-3 km storm-relative helicity
- 139 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
879
WFUS56 KSGX 192128
TORSGX
CAC059-192200-
/O.NEW.KSGX.TO.W.0002.100119T2128Z-100119T2200Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SAN DIEGO CA
128 PM PST TUE JAN 19 2010
THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A
* TORNADO WARNING FOR...
ORANGE COUNTY IN SOUTHWEST CALIFORNIA...
THIS INCLUDES THE CITIES OF...WESTMINSTER...TUSTIN FOOTHILLS...
TUSTIN...STANTON...SEAL BEACH...SANTA ANA...IRVINE...HUNTINGTON
BEACH...FULLERTON...COSTA MESA...ANAHEIM...
* UNTIL 200 PM PST
* AT 121 PM PST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO BETWEEN
NEWPORT BEACH AND HUNTINGTON BEACH...MOVING NORTHEAST AT 30 MPH. A
WATERSPOUT WAS SIGHTED AT 102 PM MOVING NORTHEAST TOWARD THE COAST.
THE STORM WAS MOVING NORTHEAST AT ABOUT 30 MPH.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 1
INCH DIAMETER SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.
WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.
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 3359 11793 3361 11798 3374 11811 3375 11811
3388 11800 3394 11795 3394 11793 3374 11758
3358 11790
TIME...MOT...LOC 2114Z 238DEG 26KT 3368 11797
$$
SMALL/ATKIN1 follow-up statement
894
WWUS56 KSGX 192150
SVSSGX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN DIEGO CA
150 PM PST TUE JAN 19 2010
CAC059-192157-
/O.CAN.KSGX.TO.W.0002.000000T0000Z-100119T2200Z/
ORANGE CA-
150 PM PST TUE JAN 19 2010
...THE TORNADO WARNING FOR ORANGE COUNTY IS CANCELLED...
THE SEVERE THUNDERSTORMS THAT PRODUCED WATERSPOUTS OFF THE COAST AND
TORNADIC ACTIVITY OVER NORTHERN ORANGE COUNTY HAVE MOVED TO THE
NORTHEAST AND DISSIPATED. ADDITIONAL STORMS ARE DEVELOPING OFF THE
COAST OF SOUTHERN ORANGE COUNTY AND NORTHERN SAN DIEGO COUNTY.
LAT...LON 3359 11793 3361 11798 3374 11811 3375 11811
3388 11800 3394 11795 3394 11793 3374 11758
3358 11790
TIME...MOT...LOC 2147Z 238DEG 26KT 3381 11773
$$
PGThe office that day
Everything else NWS San Diego, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 18, 4:00 PM PST | Flash Flood Warning | SGX | San Diego | 60 min |
| Jan 18, 5:34 PM PST | Areal Flood Advisory | SGX | San Diego | 86 min |
| Jan 19, 3:20 AM PST | Winter Storm Warning | SGX | Riverside, San Bernardino | 15 hr |
| Jan 19, 3:29 AM PST | Wind Advisory | SGX | Orange, Riverside, San Bernardino, San Diego | 15 hr |
| Jan 19, 3:42 AM PST | Flash Flood Watch | SGX | Orange, Riverside, San Bernardino, San Diego | 14 hr |
| Jan 19, 12:45 PM PST | Tornado Warning | SGX | Orange | 45 min |
| Jan 19, 1:42 PM PST | Special Marine Warning | SGX | 61 min | |
| Jan 19, 1:54 PM PST | Tornado Warning | SGX | Orange, San Diego | 36 min |
| Jan 19, 2:00 PM PST | Severe Thunderstorm Warning | SGX | Riverside, San Bernardino | 45 min |
| Jan 19, 2:24 PM PST | Severe Thunderstorm Warning | SGX | Orange, Riverside, San Diego | 51 min |
| Jan 19, 2:35 PM PST | Tornado Warning | SGX | San Diego | 40 min |
Nearby
Tornado Warnings in California, 2010Every tornado warning in 2010Tornadoes in 2010
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.