Alert archive / Nevada / Tornado Warnings in 2008

Tornado Warning 3, NWS Reno, NV

July 21, 2008Churchill County, Lyon County, Nevada

NWS Reno, NV issued this tornado warning at Jul 21, 2008, 3:49 PM PDT for Churchill County, Lyon County, Nevada. It was in force for 41 min. 4 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 21, 2008, 3:49 PM PDT (22:49 UTC)
Expired: Jul 21, 2008, 4:30 PM PDT
In force: 41 min
Issued by: NWS Reno, NV
Area: Storm-based polygon

Counties Churchill County, NV, Lyon County, NV

What was reported inside it

Time	Report	Where	Remark
Jul 21, 3:54 PM PDT	FUNNEL CLOUD	Lahontan Reservoir, NV	DISTINCT WALL CLOUD BEING REPORTED WITH SEVERE THUNDERSTORM OVER LAHONTAN RESERVOIR.
Jul 21, 4:05 PM PDT	TORNADO	1 Sw Fallon, NV	RAIN WRAPPED TORNADO REPORTED ON THE GROUND WITH SEVERE THUNDERSTORM 5 MILES WEST OF FALLON.
Jul 21, 4:15 PM PDT	TSTM WND GST 0	1 Sw Fallon, NV	50-60 MPH WINDS ESTIMATED WEST OF FALLON WITH POWER OUTAGES REPORTED IN AREA. ALSO AREAS OF BLOWING DUST REPORTED.
Jul 21, 4:15 PM PDT	TSTM WND GST 60	1 Sw Fallon, NV	50-60 MPH WINDS ESTIMATED WEST OF FALLON WITH POWER OUTAGES REPORTED IN AREA. ALSO AREAS OF BLOWING DUST REPORTED.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Reno, NV (KREV), launched 12:00Z, 10.8 hours before the alert went out and 68 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: 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 212250
TORREV
NVC001-019-212330-
/O.NEW.KREV.TO.W.0003.080721T2249Z-080721T2330Z/

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

THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A

* TORNADO WARNING FOR...
  WEST CENTRAL CHURCHILL COUNTY IN WEST CENTRAL NEVADA...
  THIS INCLUDES THE CITIES OF...LAHONTAN RESERVOIR...FALLON...
  NORTH CENTRAL LYON COUNTY IN WESTERN NEVADA...

* UNTIL 430 PM PDT

* AT 348 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR US 50 AT
  LYON-CHURCHILL CO LINE...OR NEAR LAHONTAN RESERVOIR...MOVING
  NORTHEAST AT 22 MPH.

* THE TORNADO WILL BE NEAR...
  FALLON BY 420 PM PDT...

TRAVELERS ON US HIGHWAY 50 BETWEEN FERNLEY AND FALLON ARE IN THE 
DIRECT PATH OF THIS STORM

A SPOTTER REPORTED A WALL CLOUD WITH THIS STORM NEAR LAHONTAN 
RESERVOIR.

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 3960 11894 3956 11882 3946 11871 3933 11908
      3936 11917 3943 11920
TIME...MOT...LOC 2249Z 229DEG 19KT 3940 11905

$$
CS

2 follow-up statements

000 
WWUS55 KREV 212257
SVSREV

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

NVC001-019-212330-
/O.CON.KREV.TO.W.0003.000000T0000Z-080721T2330Z/
CHURCHILL NV-LYON NV-
355 PM PDT MON JUL 21 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 PM PDT FOR NORTH
CENTRAL LYON AND WEST CENTRAL CHURCHILL COUNTIES...

...TORNADIC STORM HEADING TOWARD FALLON...

AT 352 PM PDT...TRAINED WEATHER SPOTTERS REPORTED STRONG ROTATION 
AND A WALL CLOUD NEAR LAHONTAN RESERVOIR...MOVING NORTHEAST AT 22 
MPH.

THE TORNADO WILL BE NEAR...
  JUNCTION US 50 AND NV 117 (SHECKLER CUTOFF) BY 415 PM PDT...
  FALLON BY 420 PM PDT...

TRAVELERS ON US HIGHWAY 50 BETWEEN FALLON AND FERNLEY ARE IN THE 
DIRECT PATH OF THIS STORM

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

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 3945 11874 3941 11885 3934 11907 3939 11915
      3944 11918 3960 11894 3956 11882 3947 11871
      3945 11872
TIME...MOT...LOC 2255Z 234DEG 19KT 3943 11901

$$
CS

000 
WWUS55 KREV 212306
SVSREV

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

NVC001-019-212330-
/O.CON.KREV.TO.W.0003.000000T0000Z-080721T2330Z/
CHURCHILL NV-LYON NV-
403 PM PDT MON JUL 21 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 PM PDT FOR NORTH
CENTRAL LYON AND WEST CENTRAL CHURCHILL COUNTIES...

AT 401 PM PDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO ON THE GROUND.
THIS TORNADO WAS LOCATED NEAR LAHONTAN RESERVOIR...MOVING NORTHEAST AT 22
MPH.

THE TORNADO WILL BE NEAR...
  JUNCTION US 50 AND NV 117 (SHECKLER CUTOFF) BY 415 PM PDT...
  5 MILES WEST OF FALLON BY 425 PM PDT...
  
IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING
QUARTER SIZE HAIL AND STRONG WINDS OF UP TO 60 MPH.

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 3945 11874 3941 11885 3934 11907 3939 11915
      3944 11918 3960 11894 3956 11882 3947 11871
      3945 11872
TIME...MOT...LOC 2303Z 234DEG 19KT 3945 11897

$$

RM

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 21, 3:39 AM PDT	Severe Thunderstorm Warning	REV	Mineral	28 min
Jul 21, 6:07 AM PDT	Flash Flood Watch	REV	Churchill, Douglas, Lyon, Mineral, Pershing, Storey and 1 more	21 hr
Jul 21, 2:07 PM PDT	Severe Thunderstorm Warning	REV	Lyon, Storey	38 min
Jul 21, 2:10 PM PDT	Severe Thunderstorm Warning	REV	Churchill, Lyon, Mineral	35 min
Jul 21, 2:28 PM PDT	Severe Thunderstorm Warning	REV	Douglas, Lyon	32 min
Jul 21, 2:42 PM PDT	Tornado Warning	REV	Churchill, Lyon, Mineral	33 min
Jul 21, 3:07 PM PDT	Severe Thunderstorm Warning	REV	Churchill, Lyon, Storey	38 min
Jul 21, 3:12 PM PDT	Tornado Warning	REV	Churchill	48 min
Jul 21, 3:23 PM PDT	Severe Thunderstorm Warning	REV	Churchill, Lyon, Washoe	37 min
Jul 21, 3:37 PM PDT	Severe Thunderstorm Warning	REV	Storey, Washoe	38 min
Jul 21, 3:40 PM PDT	Severe Thunderstorm Warning	REV	Churchill, Lyon	50 min
Jul 21, 3:56 PM PDT	Tornado Warning	REV	Churchill	49 min
Jul 21, 4:03 PM PDT	Severe Thunderstorm Warning	REV	Churchill	42 min
Jul 21, 4:10 PM PDT	Severe Thunderstorm Warning	REV	Storey, Washoe	35 min
Jul 21, 4:19 PM PDT	Tornado Warning	REV	Churchill	41 min
Jul 21, 4:39 PM PDT	Severe Thunderstorm Warning	REV	Washoe	36 min
Jul 21, 4:46 PM PDT	Severe Thunderstorm Warning	REV	Mineral	44 min
Jul 21, 4:47 PM PDT	Severe Thunderstorm Warning	REV	Douglas, Lyon	43 min
Jul 21, 4:48 PM PDT	Severe Thunderstorm Warning	REV	Churchill, Pershing	57 min

Nearby

Tornado Warnings in Nevada, 2008 Every tornado warning in 2008 Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.