Alert archive / Nevada / Special Weather Statements in 2021

Special Weather Statement, NWS Elko, NV

August 16, 2021

NWS Elko, NV issued this special weather statement at Aug 16, 2021, 8:02 PM PDT. It was in force for 28 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 16, 2021, 8:02 PM PDT (03:02 UTC)
Expired
Aug 16, 2021, 8:30 PM PDT
In force
28 min
Issued by
NWS Elko, NV
Hail
0.00 in
Wind
55

The radar

The Elko radar (KLRX), 120 km from the middle of the area, began a volume at 03:03 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

Elko, NV (KLKN), launched 00:00Z, 3.0 hours before the alert went out and 193 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, Elko, NV at 00:00Z on 2021-08-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 294 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Elko, NV at 00:00Z on 2021-08-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 48 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
294 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
3962 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
48 m²/s²
0-3 km storm-relative helicity
52 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 Elko, NV wrote its last area forecast discussion before this special weather statement went out at Aug 16, 6:16 PM PDT, 1 hour 46 minutes earlier.

Area forecast discussion, Aug 16, 6:16 PM PDT, 1 hour 46 minutes before
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In the hours before

Special weather statement, Aug 16, 3:43 PM PDT, 4 hours 19 minutes before
Special Weather Statement
National Weather Service Elko NV
343 PM PDT Mon Aug 16 2021

NVZ030-162315-
Humboldt County NV-
343 PM PDT Mon Aug 16 2021

...A strong thunderstorm will impact portions of north central
Humboldt County through 415 PM PDT...

At 342 PM PDT, Doppler radar was tracking a strong thunderstorm 12
miles north of Kings River Valley, moving east at 20 mph.

HAZARD...Wind gusts up to 50 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

This storm will remain over mainly rural areas of north central
Humboldt County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4199 11796 4185 11790 4180 11832 4198 11839
      4200 11832
TIME...MOT...LOC 2242Z 253DEG 17KT 4192 11826

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...50 MPH

90
Special weather statement, Aug 16, 5:33 PM PDT, 2 hours 29 minutes before
Special Weather Statement
National Weather Service Elko NV
533 PM PDT Mon Aug 16 2021

NVZ030-170100-
Humboldt County NV-
533 PM PDT Mon Aug 16 2021

...A strong thunderstorm will impact portions of east central
Humboldt County through 600 PM PDT...

At 533 PM PDT, Doppler radar was tracking a strong thunderstorm over
Winnemucca, moving northeast at 15 mph.

HAZARD...Winds in excess of 40 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Winnemucca and Golconda.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Moderate to heavy rainfall is also occurring with this storm and may
lead to localized street flooding. Do not drive your vehicle through
flooded roadways.

&&

LAT...LON 4088 11776 4099 11785 4119 11756 4095 11739
TIME...MOT...LOC 0033Z 240DEG 15KT 4097 11774

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH

90
Special weather statement, Aug 16, 8:02 PM PDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 16, 5:33 PM PDTSpecial Weather StatementLKN27 min
Aug 16, 5:59 PM PDTHeat AdvisoryLKNElko23 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.