Alert archive / California / Tornado Warnings in 2005

Tornado Warning 5, NWS San Diego, CA

July 23, 2005Riverside County, California

NWS San Diego, CA issued this tornado warning at Jul 23, 2005, 2:15 PM PDT for Riverside County, California. It was in force for 30 min. 2 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: Jul 23, 2005, 2:15 PM PDT (21:15 UTC)
Expired: Jul 23, 2005, 2:45 PM PDT
In force: 30 min
Issued by: NWS San Diego, CA
Area: Counties, with a storm outline in the text

County Riverside County, CA

The radar

The Santa Ana Mts radar (KSOX), 55 km from the middle of the area, began a volume at 21:17 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
Jul 23, 2:21 PM PDT	HAIL 0.75	Hemet, CA
Jul 23, 2:25 PM PDT	HAIL 0.5	San Jacinto, CA	PEA TO DIME SIZE HAIL

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, 9.3 hours before the alert went out and 108 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1413 m above ground
0-6 km bulk shear: 8 kt
0-1 km storm-relative helicity: 7 m²/s²
0-3 km storm-relative helicity: -1 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 232117
TORSGX
CAC065-232145-
/O.NEW.KSGX.TO.W.0005.050723T2115Z-050723T2145Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SAN DIEGO CA
215 PM PDT SAT JUL 23 2005

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A

* TORNADO WARNING FOR...
  WEST CENTRAL RIVERSIDE COUNTY IN SOUTHEAST CALIFORNIA
  THIS INCLUDES THE CITY OF HEMET

* UNTIL 245 PM PDT

* AT 206 PM PDT...A TRAINED WEATHER SPOTTER REPORTED A TORNADO ON
  THE GROUND IN HEMET...CLOSE TO THE INTERSECTION OF HIGHWAYS 74 AND 
  79. THE TORNADO WAS MOVING WEST AT 5 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO VALLE
  VISTA AND SAN JACINTO.

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR 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.

LAT...LON 3382 11718 3359 11708 3372 11683 3387 11696

$$

LAVIS

1 follow-up statement

000 
WWUS56 KSGX 232129
SVSSGX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN DIEGO CA
229 PM PDT SAT JUL 23 2005

CAC065-232145-
/O.CON.KSGX.TO.W.0005.000000T0000Z-050723T2145Z/
RIVERSIDE CA-
229 PM PDT SAT JUL 23 2005

...A TORNADO WARNING CONTINUES UNTIL 245 PM PDT FOR WEST CENTRAL
RIVERSIDE COUNTY...

AT 224 PM PDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO. THE
STORM THAT PRODUCED THIS TORNADO WAS LOCATED NEAR BETWEEN HEMET AND 
WINCHESTER...MOVING SOUTHWEST AT 5 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
WINCHESTER...NUEVO...LAKEVIEW AND HOMELAND.

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.

 LAT...LON 3382 11718 3359 11708 3372 11683 3387 11696

$$

PURPURA

The office that day

Everything else NWS San Diego, CA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 22, 5:19 PM PDT	Flash Flood Warning	SGX	San Bernardino	26 min
Jul 22, 7:35 PM PDT	Flash Flood Warning	SGX	San Diego	40 min
Jul 23, 12:21 AM PDT	Flash Flood Warning	SGX	San Diego	99 min
Jul 23, 1:00 AM PDT	Flash Flood Warning	SGX	Riverside, San Diego	60 min
Jul 23, 3:45 AM PDT	Flash Flood Warning	SGX	San Diego	75 min
Jul 23, 1:15 PM PDT	Flash Flood Warning	SGX	San Bernardino	60 min
Jul 23, 1:46 PM PDT	Flash Flood Warning	SGX	Riverside	119 min
Jul 23, 2:09 PM PDT	Flash Flood Warning	SGX	Riverside, San Bernardino	2 hr
Jul 23, 2:51 PM PDT	Severe Thunderstorm Warning	SGX	Riverside	46 min

Nearby

Tornado Warnings in California, 2005 Every tornado warning in 2005 Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.