Alert archive / Nevada / Special Weather Statements in 2021

Special Weather Statement, NWS Reno, NV

June 30, 20214 counties in Nevada; Alpine County, Mono County, California

NWS Reno, NV issued this special weather statement at Jun 30, 2021, 1:24 PM PDT for 4 counties in Nevada; Alpine County, Mono County, California. It was in force for 111 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 30, 2021, 1:24 PM PDT (20:24 UTC)
Expired: Jun 30, 2021, 3:15 PM PDT
In force: 111 min
Issued by: NWS Reno, NV

Counties Alpine County, CA, Mono County, CA, Douglas County, NV, Lyon County, NV, Mineral County, NV, Storey County, NV

The radar

The Reno radar (KRGX), 159 km from the middle of the area, began a volume at 20:27 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 12:00Z, 8.4 hours before the alert went out and 154 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: 49 J/kg
Mixed-layer CIN: -261 J/kg
Mixed-layer LCL: 2522 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: -82 m²/s²
0-3 km storm-relative helicity: 64 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 Jun 30, 10:32 AM PDT, 2 hours 52 minutes earlier.

Area forecast discussion, Jun 30, 10:32 AM PDT, 2 hours 52 minutes before

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  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
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  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
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In the hours before

Special weather statement, Jun 30, 1:24 PM PDT, 0 minutes before

Special Weather Statement
National Weather Service Reno NV
124 PM PDT Wed Jun 30 2021

CAZ071>073-NVZ001>004-302215-
Lassen-Eastern Plumas-Eastern Sierra Counties CA-
Greater Lake Tahoe Area CA-Mono CA-
Western Nevada Basin and Range including Pyramid Lake NV-
Greater Lake Tahoe Area NV-Greater Reno-Carson City-Minden Area NV-
Mineral and Southern Lyon Counties NV-
124 PM PDT Wed Jun 30 2021

...THUNDERSTORMS DEVELOPING OVER THE SIERRA AND WESTERN NEVADA...

Thunderstorms will continue to develop over the Sierra and western
Nevada this afternoon and into this evening.

Strong outflow winds over 50 mph, small hail and heavy rain may
accompany the stronger thunderstorms. Lightning strikes may also
trigger wildfires. Those with outdoor activities should have a Plan
B and quick access to shelter should a thunderstorm approach your
location.

Locations impacted include...
Reno, Carson City, South Lake Tahoe, Mammoth Lakes, Tahoe City,
Chalfant, Kings Beach, Crowley Lake, Sonora Pass, Gardnerville,
Virginia City, June Lake, Boca Reservoir, Lee Vining, Twin Lakes,
Lahontan Reservoir, Incline Village, Toms Place, Alpine Meadows and
Stampede Reservoir.

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.

Heavy rainfall is possible with these storms. Expect ponding of
water on roadways. In areas of steep terrain, minor rock slides are
possible. Drivers should slow down and turn on their headlights if
encountering heavy rains.

&&

LAT...LON 3758 11901 3774 11913 3773 11926 3788 11920
      3809 11935 3820 11963 3845 11968 3881 12003
      3885 12016 3949 12044 3957 12045 3988 11992
      3904 11805 3901 11818 3892 11819 3847 11770
      3789 11842 3747 11783 3746 11784 3746 11878
TIME...MOT...LOC 2021Z 353DEG 6KT 3873 11944

AH

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 29, 6:03 PM PDT	Special Weather Statement	REV	Douglas, Lyon, Mineral, Storey	117 min
Jun 29, 7:50 PM PDT	Special Weather Statement	REV	Churchill, Douglas, Lyon, Storey	3 hr
Jun 29, 8:09 PM PDT	Dust Storm Advisory	REV	Churchill, Pershing	2 hr
Jun 29, 8:57 PM PDT	Dust Storm Warning	REV	Churchill, Pershing	3 hr
Jun 30, 3:10 AM PDT	Heat Advisory	REV	Churchill, Lyon, Pershing, Washoe	17 hr
Jun 30, 2:36 PM PDT	Areal Flood Advisory	REV	Lyon	114 min
Jun 30, 2:48 PM PDT	Special Weather Statement	REV	Storey	42 min
Jun 30, 3:42 PM PDT	Special Weather Statement	REV		48 min
Jun 30, 3:51 PM PDT	Areal Flood Advisory	REV	Washoe	4 hr
Jun 30, 4:47 PM PDT	Dust Storm Advisory	REV	Churchill, Pershing, Washoe	118 min
Jun 30, 4:58 PM PDT	Areal Flood Advisory	REV	Douglas, Lyon	112 min

Nearby

Special Weather Statements in Nevada, 2021 Special Weather Statements in California, 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.