Alert archive / Nevada / Special Weather Statements in 2021

Special Weather Statement, NWS Reno, NV

July 28, 2021

NWS Reno, NV issued this special weather statement at Jul 28, 2021, 5:10 PM PDT. It was in force for 35 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
Jul 28, 2021, 5:10 PM PDT (00:10 UTC)
Expired
Jul 28, 2021, 5:45 PM PDT
In force
35 min
Issued by
NWS Reno, NV

The radar

The Reno radar (KRGX), 26 km from the middle of the area, began a volume at 00:12 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, 0.2 hours before the alert went out and 122 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 2021-07-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 16 joules per kilogram.LCLLFCEL10008507005003002001001 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, Reno, NV at 00:00Z on 2021-07-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 60 square meters per square second.19395878Sfc1 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
16 J/kg
Mixed-layer CIN
-95 J/kg
Mixed-layer LCL
3287 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
60 m²/s²
0-3 km storm-relative helicity
90 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

955 
WWUS85 KREV 290010
SPSREV

Special Weather Statement
National Weather Service Reno NV
510 PM PDT Wed Jul 28 2021
 
NVZ004-290045-
Western Nevada Basin and Range including Pyramid Lake NV-
510 PM PDT Wed Jul 28 2021

...STRONG WINDS EXPECTED ON PYRAMID LAKE...

At 505 PM PDT, Doppler radar was tracking an area of strong 
winds southwest of Pyramid Lake, moving northeast at 30 mph.

Winds in excess of 40 mph have occurred with this thunderstorm 
outflow.

Locations impacted include...
Pyramid Lake, Sutcliffe and The Needle Rocks. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If on or near Pyramid Lake, now is the best time to get off the 
water. Strong winds will be able to create dangerous waves that can 
capsize small boats. Move to safe shelter now! 

&&

LAT...LON 3984 11943 3986 11950 4002 11968 4017 11973
      4024 11954 3990 11939
TIME...MOT...LOC 0005Z 240DEG 49KT 4024 11880 

$$

MB

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 29, 12:09 PM PDTFlash Flood WatchREVDouglas, Lyon, Mineral, Storey, Washoe59 hr
Jul 29, 1:54 PM PDTSpecial Weather StatementREVDouglas51 min
Jul 29, 4:19 PM PDTSpecial Weather StatementREVSierra41 min

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.