Alert archive / Nevada / Areal Flood Advisories in 2021

Areal Flood Advisory 8, NWS Las Vegas, NV

June 30, 2021Nye County, Nevada

NWS Las Vegas, NV issued this areal flood advisory at Jun 30, 2021, 2:16 PM PDT for Nye County, Nevada. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued: Jun 30, 2021, 2:16 PM PDT (21:16 UTC)
Expired: Jun 30, 2021, 5:15 PM PDT
In force: 3 hr
Issued by: NWS Las Vegas, NV
Area: Storm-based polygon

County Nye County, NV

The nearest sounding before it

Reno, NV (KREV), launched 12:00Z, 9.3 hours before the alert went out and 226 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

What forecasters said that day

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

NWS Las Vegas, NV wrote its last area forecast discussion before this areal flood advisory went out at Jun 30, 12:41 PM PDT, 1 hour 35 minutes earlier.

Area forecast discussion, Jun 30, 12:41 PM PDT, 1 hour 35 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 29, 5:14 PM PDT	Severe Thunderstorm Warning	VEF	Clark	46 min
Jun 29, 5:21 PM PDT	Flash Flood Warning Considerable damage threat	VEF	Clark	7 hr
Jun 30, 3:30 PM PDT	Flash Flood Warning Considerable damage threat	VEF	Lincoln, Nye	105 min
Jun 30, 4:03 PM PDT	Areal Flood Advisory	VEF	Lincoln	3 hr
Jun 30, 4:55 PM PDT	Severe Thunderstorm Warning	VEF	Esmeralda, Nye	48 min
Jun 29, 6:33 PM PDT	Areal Flood Advisory	VEF	Mohave	3 hr

Nearby

Areal Flood Advisories in Nevada, 2021 Every areal flood advisory 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.