Alert archive / Nevada / Tornado Warnings in 2008

Tornado Warning 1, NWS Reno, NV

July 21, 2008Churchill County, Lyon County, Mineral County, Nevada

NWS Reno, NV issued this tornado warning at Jul 21, 2008, 2:42 PM PDT for Churchill County, Lyon County, Mineral County, Nevada. It was in force for 33 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
Jul 21, 2008, 2:42 PM PDT (21:42 UTC)
Expired
Jul 21, 2008, 3:15 PM PDT
In force
33 min
Issued by
NWS Reno, NV
Area
Storm-based polygon

Counties Churchill County, NV, Lyon County, NV, Mineral County, NV

The nearest sounding before it

Reno, NV (KREV), launched 12:00Z, 9.7 hours before the alert went out and 72 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-pSkew-T log-p diagram, Reno, NV at 12:00Z on 2008-07-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 26 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Reno, NV at 12:00Z on 2008-07-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -21 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
26 J/kg
Mixed-layer CIN
-186 J/kg
Mixed-layer LCL
1658 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
-21 m²/s²
0-3 km storm-relative helicity
58 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 
WFUS55 KREV 212143
TORREV
NVC001-019-021-212215-
/O.NEW.KREV.TO.W.0001.080721T2142Z-080721T2215Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE RENO NV
242 PM PDT MON JUL 21 2008

THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTH CENTRAL CHURCHILL COUNTY IN WEST CENTRAL NEVADA...
  EXTREME EAST CENTRAL LYON COUNTY IN WESTERN NEVADA...
  NORTHWESTERN MINERAL COUNTY IN WESTERN NEVADA...

* UNTIL 315 PM PDT

* AT 238 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR US 95 AT
  MINERAL-LYON CO LINE...OR 32 MILES SOUTH OF FALLON...MOVING
  NORTHEAST AT 13 MPH.

* THE TORNADO WILL BE NEAR...
  US 95 AT MINERAL-LYON CO LINE BY 305 PM PDT...
  US 95 AT LYON-CHURCHILL CO LINE BY 315 PM PDT...

THE STRONGEST ROTATION WAS LOCATED JUST NORTH OF SCHURZ AT 238 PM 
PDT. IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
QUARTER SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS. TRAVELERS ON 
US 95 ARE IN THE DIRECT PATH OF THIS STORM.

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 3925 11878 3910 11854 3893 11886 3900 11897
TIME...MOT...LOC 2142Z 221DEG 11KT 3903 11884

$$
CS
1 follow-up statement
000 
WWUS55 KREV 212201
SVSREV

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RENO NV
301 PM PDT MON JUL 21 2008

NVC001-019-021-212215-
/O.CON.KREV.TO.W.0001.000000T0000Z-080721T2215Z/
CHURCHILL NV-MINERAL NV-LYON NV-
301 PM PDT MON JUL 21 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 315 PM PDT FOR EXTREME
EAST CENTRAL LYON...EXTREME NORTHWESTERN MINERAL AND SOUTHWESTERN
CHURCHILL COUNTIES...

AT 255 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR US 95 AT
LYON-CHURCHILL CO LINE...OR ABOUT 26 MILES SOUTH OF FALLON...MOVING
NORTHEAST AT 24 MPH.

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
QUARTER SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

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 3903 11877 3905 11884 3909 11889 3924 11880
      3924 11879 3925 11879 3918 11866 3915 11862
      3912 11857
TIME...MOT...LOC 2201Z 219DEG 20KT 3913 11874

$$
CS

The office that day

Everything else NWS Reno, NV issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 21, 3:39 AM PDTSevere Thunderstorm WarningREVMineral28 min
Jul 21, 6:07 AM PDTFlash Flood WatchREVChurchill, Douglas, Lyon, Mineral, Pershing, Storey and 1 more21 hr
Jul 21, 2:07 PM PDTSevere Thunderstorm WarningREVLyon, Storey38 min
Jul 21, 2:10 PM PDTSevere Thunderstorm WarningREVChurchill, Lyon, Mineral35 min
Jul 21, 2:28 PM PDTSevere Thunderstorm WarningREVDouglas, Lyon32 min
Jul 21, 3:07 PM PDTSevere Thunderstorm WarningREVChurchill, Lyon, Storey38 min
Jul 21, 3:12 PM PDTTornado WarningREVChurchill48 min
Jul 21, 3:23 PM PDTSevere Thunderstorm WarningREVChurchill, Lyon, Washoe37 min
Jul 21, 3:37 PM PDTSevere Thunderstorm WarningREVStorey, Washoe38 min
Jul 21, 3:40 PM PDTSevere Thunderstorm WarningREVChurchill, Lyon50 min
Jul 21, 3:49 PM PDTTornado WarningREVChurchill, Lyon41 min
Jul 21, 3:56 PM PDTTornado WarningREVChurchill49 min
Jul 21, 4:03 PM PDTSevere Thunderstorm WarningREVChurchill42 min
Jul 21, 4:10 PM PDTSevere Thunderstorm WarningREVStorey, Washoe35 min
Jul 21, 4:19 PM PDTTornado WarningREVChurchill41 min
Jul 21, 4:39 PM PDTSevere Thunderstorm WarningREVWashoe36 min
Jul 21, 4:46 PM PDTSevere Thunderstorm WarningREVMineral44 min
Jul 21, 4:47 PM PDTSevere Thunderstorm WarningREVDouglas, Lyon43 min
Jul 21, 4:48 PM PDTSevere Thunderstorm WarningREVChurchill, Pershing57 min

Nearby

Tornado Warnings in Nevada, 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.