Alert archive / Nevada / Special Weather Statements in 2021

Special Weather Statement, NWS Reno, NV

September 10, 2021Douglas County, Storey County, Nevada

NWS Reno, NV issued this special weather statement at Sep 10, 2021, 4:57 AM PDT for Douglas County, Storey County, Nevada. It was in force for 93 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: Sep 10, 2021, 4:57 AM PDT (11:57 UTC)
Expired: Sep 10, 2021, 6:30 AM PDT
In force: 93 min
Issued by: NWS Reno, NV
Hail: 0.00 in
Wind: 30

Counties Douglas County, NV, Storey County, NV

The radar

The Reno radar (KRGX), 20 km from the middle of the area, began a volume at 12:00 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, 12.0 hours before the alert went out and 115 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: 123 J/kg
Mixed-layer CIN: -30 J/kg
Mixed-layer LCL: 3381 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 49 m²/s²
0-3 km storm-relative helicity: 48 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Reno, NV wrote its last area forecast discussion before this special weather statement went out at Sep 10, 1:46 AM PDT, 3 hours 11 minutes earlier.

Area forecast discussion, Sep 10, 1:46 AM PDT, 3 hours 11 minutes before

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In the hours before

Special weather statement, Sep 10, 12:27 AM PDT, 4 hours 30 minutes before

Special Weather Statement
National Weather Service Reno NV
1227 AM PDT Fri Sep 10 2021

CAZ071-072-NVZ002>004-100830-
Lassen-Eastern Plumas-Eastern Sierra Counties CA-
Greater Lake Tahoe Area CA-
Western Nevada Basin and Range including Pyramid Lake NV-
Greater Lake Tahoe Area NV-Greater Reno-Carson City-Minden Area NV-
1227 AM PDT Fri Sep 10 2021

...Strong thunderstorms will impact portions of Plumas, Placer,
Sierra, southeastern Lassen, Nevada, Storey, southern Washoe and
northern Lyon Counties and eastern Carson City through 130 AM PDT...

At 1227 AM PDT, Doppler radar was tracking thunderstorms along a
line extending from near Squaw Valley to near Johnson Lane.
Movement was north at 40 mph.

HAZARD...Wind gusts up to 50 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Reno, Carson City, Stampede Reservoir, Incline Village, Kings Beach,
Prosser Creek Reservoir, Virginia City, Boca Reservoir, Chilcoot,
Sparks, Dayton, Wingfield Springs, Northwest Reno, Spanish Springs,
Glenshire-Devonshire Cdp, Golden Valley, Virginia Peak, Carson City
Airport, Verdi-Mogul and Crystal Bay.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3978 11936 3962 11926 3959 11931 3936 11947
      3913 11946 3909 11951 3927 12029 3989 12036
TIME...MOT...LOC 0727Z 191DEG 35KT 3926 12021 3908 11962

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH

WH

Special weather statement, Sep 10, 4:57 AM PDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 9, 5:27 PM PDT	Areal Flood Advisory	REV	Washoe	63 min
Sep 10, 12:27 AM PDT	Special Weather Statement	REV	Storey	63 min

Nearby

Special Weather Statements in Nevada, 2021 Every 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.