Alert archive / Nevada / Tornado Warnings in 2014

Tornado Warning 1, NWS Reno, NV

July 21, 2014Storey County, Washoe County, Nevada

NWS Reno, NV issued this tornado warning at Jul 21, 2014, 6:23 PM PDT for Storey County, Washoe County, Nevada. It was in force for 37 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, 2014, 6:23 PM PDT (01:23 UTC)
Expired
Jul 21, 2014, 7:00 PM PDT
In force
37 min
Issued by
NWS Reno, NV
Area
Storm-based polygon

Counties Storey County, NV, Washoe County, NV

The radar

The Reno radar (KRGX), 18 km from the middle of the area, began a volume at 01:24 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, 1.4 hours before the alert went out and 116 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 00:00Z on 2014-07-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 449 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 00:00Z on 2014-07-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 70 square meters per square second.193958Sfc1 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
449 J/kg
Mixed-layer CIN
-51 J/kg
Mixed-layer LCL
1746 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
70 m²/s²
0-3 km storm-relative helicity
131 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.8

Open this sounding in Storm Lab

The text

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

757 
WFUS55 KREV 220123
TORREV
NVC029-031-220200-
/O.NEW.KREV.TO.W.0001.140722T0123Z-140722T0200Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE RENO NV
623 PM PDT MON JUL 21 2014

THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A

* TORNADO WARNING FOR...
  NORTH CENTRAL STOREY COUNTY IN WESTERN NEVADA...
  SOUTH CENTRAL WASHOE COUNTY IN WESTERN NEVADA...

* UNTIL 700 PM PDT

* AT 620 PM PDT...TRAINED WEATHER SPOTTERS REPORTED A FUNNEL CLOUD
  NEAR PATRICK ON INTERSTATE 80...OR 13 MILES EAST OF RENO...MOVING 
  NORTHEAST AT 10 MPH.

* LOCATIONS AFFECTED INCLUDE...PATRICK.

THIS TORNADIC STORM WILL AFFECT INTERSTATE 80 IN NEVADA BETWEEN MILE
MARKERS 25 AND 29.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

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 3968 11957 3964 11944 3951 11957 3953 11962
TIME...MOT...LOC 0123Z 203DEG 10KT 3955 11957

$$

HOON
2 follow-up statements
312 
WWUS55 KREV 220146
SVSREV

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RENO NV
646 PM PDT MON JUL 21 2014

NVC029-220155-
/O.CAN.KREV.TO.W.0001.000000T0000Z-140722T0200Z/
STOREY NV-
646 PM PDT MON JUL 21 2014

...THE TORNADO WARNING FOR NORTH CENTRAL STOREY COUNTY IS
CANCELLED...

LAT...LON 3961 11955 3961 11959 3968 11957 3967 11952
TIME...MOT...LOC 0145Z 203DEG 10KT 3961 11954

$$

NVC031-220200-
/O.CON.KREV.TO.W.0001.000000T0000Z-140722T0200Z/
WASHOE NV-
646 PM PDT MON JUL 21 2014

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM PDT FOR SOUTH
CENTRAL WASHOE COUNTY...

AT 638 PM PDT...TRAINED WEATHER SPOTTERS REPORTED A FUNNEL CLOUD. 
THIS TORNADO WAS LOCATED IN EAST CENTRAL WASHOE COUNTY...OR 10 MILES 
EAST OF RENO...MOVING NORTHEAST AT 15 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT USE HIGHWAY OVERPASSES FOR SHELTER. OVERPASSES DO NOT PROVIDE
PROTECTION FROM TORNADIC WINDS. VEHICLES STOPPED UNDER BRIDGES BLOCK
TRAFFIC AND PREVENT PEOPLE FROM GETTING OUT OF THE STORM'S PATH AND
TO SHELTER. IF YOU CANNOT DRIVE AWAY FROM THE TORNADO...GET OUT OF
YOUR VEHICLE AND LIE FLAT IN A DITCH AS A LAST RESORT.

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.

&&

LAT...LON 3961 11955 3961 11959 3968 11957 3967 11952
TIME...MOT...LOC 0145Z 203DEG 10KT 3961 11954

$$

HOON
479 
WWUS55 KREV 220156
SVSREV

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RENO NV
656 PM PDT MON JUL 21 2014

NVC031-220205-
/O.EXP.KREV.TO.W.0001.000000T0000Z-140722T0200Z/
WASHOE NV-
656 PM PDT MON JUL 21 2014

...THE TORNADO WARNING FOR SOUTH CENTRAL WASHOE COUNTY WILL EXPIRE AT
700 PM PDT...

THE STORMS THAT EARLIER PROMPTED THE TORNADO WARNING HAVE MOVED OUT 
OF THE AREA...THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE. THIS 
STORM REMAINS SEVERE AS IT MOVES NORTH OF SPANISH SPRINGS THROUGH 
PALOMINO VALLEY AND TOWARDS PYRAMID LAKE.

LAT...LON 3961 11955 3961 11959 3968 11957 3967 11952
TIME...MOT...LOC 0155Z 203DEG 10KT 3964 11953

$$

HOON

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 21, 5:06 PM PDTSpecial Weather StatementREVStorey39 min
Jul 21, 5:27 PM PDTSpecial Weather StatementREVStorey48 min
Jul 21, 5:36 PM PDTSpecial Weather StatementREVMineral39 min
Jul 21, 5:50 PM PDTSevere Thunderstorm WarningREVStorey, Washoe25 min
Jul 21, 5:59 PM PDTSpecial Weather StatementREVLyon46 min
Jul 21, 6:13 PM PDTSevere Thunderstorm WarningREVStorey, Washoe32 min
Jul 21, 6:53 PM PDTSevere Thunderstorm WarningREVWashoe37 min
Jul 21, 7:29 PM PDTSpecial Weather StatementREVWashoe61 min
Jul 21, 10:51 PM PDTSpecial Weather StatementREVPershing54 min
Jul 22, 3:00 PM PDTSevere Thunderstorm WarningREVLyon, Storey60 min
Jul 22, 3:58 PM PDTSpecial Weather StatementREV62 min
Jul 22, 4:20 PM PDTAreal Flood AdvisoryREVWashoe3 hr

Nearby

Tornado Warnings in Nevada, 2014Every tornado warning in 2014Tornadoes in 2014

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.