Alert archive / California / Tornado Warnings in 2007

Tornado Warning 1, NWS Las Vegas, NV

September 21, 2007Inyo County, San Bernardino County, California; Clark County, Nevada

NWS Las Vegas, NV issued this tornado warning at Sep 21, 2007, 5:38 PM PDT for Inyo County, San Bernardino County, California; Clark County, Nevada. It was in force for 23 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
Sep 21, 2007, 5:38 PM PDT (00:38 UTC)
Expired
Sep 21, 2007, 6:01 PM PDT
In force
23 min
Issued by
NWS Las Vegas, NV
Area
Counties, with a storm outline in the text

Counties Inyo County, CA, San Bernardino County, CA, Clark County, NV

The radar

The Las Vegas radar (KESX), 81 km from the middle of the area, began a volume at 00:42 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 text

As transmitted, in the capitals the NWS used until 2016.

000 
WFUS55 KVEF 220040
TORVEF
CAC027-071-NVC003-220115-
/O.NEW.KVEF.TO.W.0001.070922T0038Z-070922T0115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LAS VEGAS NV
538 PM PDT FRI SEP 21 2007

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A

* TORNADO WARNING FOR...
  EXTREME SOUTHEASTERN INYO COUNTY IN EASTERN CALIFORNIA...
  EXTREME NORTH CENTRAL SAN BERNARDINO COUNTY IN SOUTHEAST
  CALIFORNIA...
  WEST CENTRAL CLARK COUNTY IN SOUTHERN NEVADA...

* UNTIL 615 PM PDT.

* AT 536 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR SANDY
  VALLEY...AND WAS MOVING NORTH AT 40 MPH.

* THE TORNADO WILL BE NEAR...
  SANDY VALLEY 550 PM PDT.

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.

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 3630 11583 3619 11558 3572 11547 3570 11569 
TIME...MOT...LOC 0038Z 171DEG 50KT 3580 11560

$$

JGA
1 follow-up statement
000 
WWUS55 KVEF 220101
SVSVEF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
556 PM PDT FRI SEP 21 2007

CAC027-071-NVC003-220106-
/O.CAN.KVEF.TO.W.0001.000000T0000Z-070922T0115Z/
SAN BERNARDINO CA-INYO CA-CLARK NV-
556 PM PDT FRI SEP 21 2007

...THE TORNADO WARNING FOR WEST CENTRAL CLARK...EXTREME SOUTHEASTERN
INYO AND EXTREME NORTH CENTRAL SAN BERNARDINO COUNTIES IS
CANCELLED...

AT 555 PM...DOPPLER RADAR INDICATED THE THUNDERSTORM NEAR SANDY 
VALLEY HAD WEAKENED AND AND WAS QUICKLY MOVING TO THE NORTH AT 50 
MPH. WEATHER SPOTTERS IN SANDY VALLEY DID NOT OBSERVE A TORNADO BUT 
DID OBSERVE BRIEF INTENSE RAINFALL AS THE THUNDERSTORM PASSED 
OVERHEAD. THE THUNDERSTORM WILL CONTINUE TO MOVE TOWARD THE PAHRUMP 
VALLEY BY 630 PM BUT BRIEF HEAVY RAINFALL IS THE MAIN THREAT WITH 
THIS STORM.

LAT...LON 3630 11583 3619 11558 3572 11547 3570 11569
TIME...MOT...LOC 0056Z 171DEG 47KT 3599 11564

$$

JGA

Nearby

Tornado Warnings in California, 2007Tornado Warnings in Nevada, 2007Every tornado warning in 2007Tornadoes in 2007

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.