Alert archive / Nevada / Winter Weather Advisories in 2021
Winter Weather Advisory 3, NWS Las Vegas, NV
NWS Las Vegas, NV issued this winter weather advisory at Jan 25, 2021, 1:44 PM PST for 4 counties in Nevada; Inyo County, California; Mohave County, Arizona. It took effect at Jan 26, 2021, 10:00 PM PST. It was in force for 66 hr.
The area
The counties it named.
The facts
- Issued
- Jan 25, 2021, 1:44 PM PST (21:44 UTC)
- In effect from
- Jan 26, 2021, 10:00 PM PST
- Expired
- Jan 29, 2021, 4:00 PM PST
- In force
- 66 hr
- Issued by
- NWS Las Vegas, NV
Counties Mohave County, AZ, Inyo County, CA, Clark County, NV, Esmeralda County, NV, Lincoln County, NV, Nye County, NV
The radar
The Las Vegas radar (KESX), 167 km from the middle of the area, began a volume at 21:46 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
Las Vegas, NV (KVEF), launched 12:00Z, 9.7 hours before the alert went out and 73 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1011 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- 101 m²/s²
- 0-3 km storm-relative helicity
- 86 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this winter weather 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 winter weather advisory went out at Jan 25, 10:12 AM PST, 3 hours 32 minutes earlier.
Area forecast discussion, Jan 25, 10:12 AM PST, 3 hours 32 minutes before
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</html>The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 25, 1:44 PM PST | Winter Storm Warning | VEF | Inyo | 4 days |
Nearby
Winter Weather Advisories in Nevada, 2021Winter Weather Advisories in California, 2021Winter Weather Advisories in Arizona, 2021Every winter weather 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; radar from the NEXRAD Level II archive.