Alert archive / Nevada / Special Weather Statements in 2021

Special Weather Statement, NWS Reno, NV

August 2, 2021Lyon County, Nevada

NWS Reno, NV issued this special weather statement at Aug 2, 2021, 9:06 PM PDT for Lyon County, Nevada. It was in force for 54 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
Aug 2, 2021, 9:06 PM PDT (04:06 UTC)
Expired
Aug 2, 2021, 10:00 PM PDT
In force
54 min
Issued by
NWS Reno, NV

County Lyon County, NV

The radar

The Reno radar (KRGX), 101 km from the middle of the area, began a volume at 04:09 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, 4.1 hours before the alert went out and 81 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 2021-08-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 113 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 2021-08-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -4 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
113 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
3675 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
-4 m²/s²
0-3 km storm-relative helicity
19 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

As transmitted.

650 
WWUS85 KREV 030406
SPSREV

Special Weather Statement
National Weather Service Reno NV
906 PM PDT Mon Aug 2 2021
 
NVZ001-004-030500-
Western Nevada Basin and Range including Pyramid Lake NV-
Mineral and Southern Lyon Counties NV-
906 PM PDT Mon Aug 2 2021

...STRONG THUNDERSTORM MOVING NORTH NEAR SCHURZ...

At 904 PM PDT, Doppler radar was tracking a strong thunderstorm 17
miles north of Walker Lake, or 36 miles south of Fallon, moving north
at 10 mph.

Nickel size hail, wind gusts up to 50 mph, heavy rain, and localized 
flooding will be possible with this storm.

Locations impacted include...
Schurz, Us 95 At Lyon-Churchill Co Line, Us 95 At Mineral-Lyon Co
Line and Alt U.S 95 At Lyon-Mineral Co Line.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy rainfall is also occurring with this storm, and may lead to 
localized flooding. Be aware of your surroundings at night and do 
not drive your vehicle through flooded roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3888 11866 3885 11892 3918 11906 3923 11866
TIME...MOT...LOC 0404Z 171DEG 10KT 3894 11880 

$$

CJ

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 2, 6:20 PM PDTSpecial Weather StatementREVLyon, Mineral55 min
Aug 2, 6:30 PM PDTSpecial Weather StatementREVChurchill60 min
Aug 2, 7:21 PM PDTSpecial Weather StatementREVMineral54 min
Aug 2, 7:27 PM PDTAreal Flood AdvisoryREVChurchill2 hr
Aug 2, 7:35 PM PDTAreal Flood AdvisoryREVMineral115 min
Aug 2, 8:20 PM PDTSpecial Weather StatementREVMineral55 min
Aug 2, 10:04 PM PDTSpecial Weather StatementREVLyon56 min
Aug 3, 2:48 AM PDTFire Weather WatchREVChurchill, Douglas, Lyon, Mineral, Pershing, Storey and 1 more25 hr

Nearby

Special Weather Statements in Nevada, 2021Every special weather statement in 2021

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.