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, 10:04 PM PDT for Lyon County, Nevada. It was in force for 56 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, 10:04 PM PDT (05:04 UTC)
Expired
Aug 2, 2021, 11:00 PM PDT
In force
56 min
Issued by
NWS Reno, NV

County Lyon County, NV

The radar

The Reno radar (KRGX), 84 km from the middle of the area, began a volume at 05:06 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, 5.1 hours before the alert went out and 60 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.

260 
WWUS85 KREV 030504
SPSREV

Special Weather Statement
National Weather Service Reno NV
1004 PM PDT Mon Aug 2 2021
 
NVZ001-004-030600-
Western Nevada Basin and Range including Pyramid Lake NV-
Mineral and Southern Lyon Counties NV-
1004 PM PDT Mon Aug 2 2021

...STRONG THUNDERSTORM CONTINUES OVER SOUTHWESTERN CHURCHILL 
COUNTY...

At 1000 PM PDT, Doppler radar was tracking a strong thunderstorm 19
miles east of Wabuska, or 21 miles south of Fallon, moving north at
20 mph.

Penny size hail and winds in excess of 40 mph will be possible with 
this storm. Heavy rainfall and localized flooding are also possible.

Locations impacted include...
Fallon, Junction U.S 50 And NV 116 (Stuart Rd), Us 95 At
Lyon-Churchill Co Line, Junction U.S 95 And NV 120 (Pasture Rd), Us
95 At Mineral-Lyon Co Line, Junction U.S 50 And NV 117 (sheckler
Cutoff) and Fallon Station.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy rainfall is also occurring with this storm, and may lead to 
localized flooding. 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 3907 11862 3908 11898 3951 11900 3948 11853
TIME...MOT...LOC 0500Z 185DEG 16KT 3916 11882 

$$

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, 9:06 PM PDTSpecial Weather StatementREVLyon54 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.