Alert archive / Nevada / Tornado Warnings in 2008

Tornado Warning 2, NWS Elko, NV

July 21, 2008Lander County, Nevada

NWS Elko, NV issued this tornado warning at Jul 21, 2008, 7:54 PM PDT for Lander County, Nevada. It was in force for 36 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, 7:54 PM PDT (02:54 UTC)
Expired: Jul 21, 2008, 8:30 PM PDT
In force: 36 min
Issued by: NWS Elko, NV
Area: Storm-based polygon

County Lander County, NV

The radar

The Elko radar (KLRX), 113 km from the middle of the area, began a volume at 02:57 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 nearest sounding before it

Reno, NV (KREV), launched 00:00Z, 2.9 hours before the alert went out and 99 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: 19 J/kg
Mixed-layer CIN: -30 J/kg
Mixed-layer LCL: 2865 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 18 m²/s²
0-3 km storm-relative helicity: 88 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 KLKN 220254
TORLKN
NVC015-220330-
/O.NEW.KLKN.TO.W.0002.080722T0254Z-080722T0330Z/

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

THE NATIONAL WEATHER SERVICE IN ELKO HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL LANDER COUNTY IN NORTH CENTRAL NEVADA...

* UNTIL 830 PM PDT

* AT 754 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO OVER CENTRAL
  LANDER COUNTY...OR ABOUT 12 MILES NORTH OF AUSTIN...MOVING
  NORTHEAST AT 25 MPH.

* THE TORNADO WILL BE NEAR...
  RURAL CENTRAL LANDER COUNTY AT 810 PM PDT

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 3990 11712 3976 11678 3955 11712 3962 11717
TIME...MOT...LOC 0254Z 207DEG 22KT 3966 11712

$$

ROOD

2 follow-up statements

000 
WWUS55 KLKN 220323
SVSLKN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ELKO NV
822 PM PDT MON JUL 21 2008

NVC015-220330-
/O.CON.KLKN.TO.W.0002.000000T0000Z-080722T0330Z/
LANDER NV-
822 PM PDT MON JUL 21 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM PDT FOR CENTRAL
LANDER COUNTY...

AT 818 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED OVER CENTRAL LANDER 
COUNTY...OR ABOUT 21 MILES NORTHEAST OF AUSTIN...MOVING NORTHEAST AT 
25 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 3990 11712 3976 11678 3955 11712 3962 11717
TIME...MOT...LOC 0322Z 207DEG 22KT 3981 11702

$$

ROOD

000 
WWUS55 KLKN 220331
SVSLKN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ELKO NV
830 PM PDT MON JUL 21 2008

NVC015-220340-
/O.EXP.KLKN.TO.W.0002.000000T0000Z-080722T0330Z/
LANDER NV-
830 PM PDT MON JUL 21 2008

...THE TORNADO WARNING FOR CENTRAL LANDER COUNTY EXPIRES AT 830 PM
PDT...


DOPPLER RADAR IS INDICATING THE STORM CAPABLE OF GENERATING A 
TORNADO HAS WEAKENED. AS SUCH...HAVE EXPIRED THE TORNADO WARNING FOR 
CENTRAL LANDER COUNTY. 

LAT...LON 3990 11712 3976 11678 3955 11712 3962 11717
TIME...MOT...LOC 0330Z 207DEG 22KT 3985 11699

$$

ROOD

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 21, 6:42 PM PDT	Severe Thunderstorm Warning	LKN	Humboldt	33 min
Jul 21, 6:54 PM PDT	Severe Thunderstorm Warning	LKN	Lander	36 min
Jul 21, 7:01 PM PDT	Severe Thunderstorm Warning	LKN	Lander	29 min
Jul 21, 7:24 PM PDT	Severe Thunderstorm Warning	LKN	Lander	36 min
Jul 21, 7:27 PM PDT	Severe Thunderstorm Warning	LKN	Lander	33 min
Jul 21, 8:13 PM PDT	Severe Thunderstorm Warning	LKN	Lander	32 min
Jul 21, 8:30 PM PDT	Flash Flood Warning	LKN	Lander	60 min
Jul 21, 8:52 PM PDT	Severe Thunderstorm Warning	LKN	Eureka, Lander	23 min
Jul 21, 9:15 PM PDT	Severe Thunderstorm Warning	LKN	Eureka, Lander	30 min
Jul 22, 11:35 AM PDT	Severe Thunderstorm Warning	LKN	Elko	40 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.