Alert archive / Nevada / Special Weather Statements in 2017

Special Weather Statement, NWS Reno, NV

June 21, 2017Lyon County, Nevada

NWS Reno, NV issued this special weather statement at Jun 21, 2017, 6:21 PM PDT for Lyon County, Nevada. It was in force for 39 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
Jun 21, 2017, 6:21 PM PDT (01:21 UTC)
Expired
Jun 21, 2017, 7:00 PM PDT
In force
39 min
Issued by
NWS Reno, NV

County Lyon County, NV

The radar

The Reno radar (KRGX), 99 km from the middle of the area, began a volume at 01:23 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 101 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 2017-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 171 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 2017-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 34 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
171 J/kg
Mixed-layer CIN
-60 J/kg
Mixed-layer LCL
3263 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
34 m²/s²
0-3 km storm-relative helicity
-15 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

675 
WWUS85 KREV 220121
SPSREV

Special Weather Statement
National Weather Service Reno NV
621 PM PDT WED JUN 21 2017
 
NVZ001-220200-
Mineral and Southern Lyon Counties NV-
621 PM PDT WED JUN 21 2017

...developing storm thunderstorm southeast of yerington...

At 620 PM PDT, Doppler radar was tracking a developing strong 
thunderstorm 8 miles southeast of Yerington, or 31 miles northeast 
of Topaz Lake. his storm was nearly stationary.

Half inch hail and wind gusts of 50 to 55 mph will be possible with
this storm.

This storm will remain over mainly rural areas of northwestern
Mineral and central Lyon Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

During a thunderstorm, seek shelter inside a sturdy structure and
stay away from windows. Hikers and campers should seek shelter in a
vehicle if possible.

&&

LAT...LON 3901 11900 3885 11891 3883 11911 3895 11916
TIME...MOT...LOC 0120Z 071DEG 3KT 3891 11903 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 21, 5:57 PM PDTSpecial Weather StatementREV33 min
Jun 21, 7:03 PM PDTSpecial Weather StatementREVChurchill42 min
Jun 21, 7:13 PM PDTSpecial Weather StatementREVLyon32 min

Nearby

Special Weather Statements in Nevada, 2017Every special weather statement in 2017

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.