Alert archive / Nevada / Excessive Heat Warnings in 2019
Excessive Heat Warning 3, NWS Las Vegas, NV
NWS Las Vegas, NV issued this excessive heat warning at Aug 2, 2019, 1:15 PM PDT for Clark County, Nye County, Nevada; Inyo County, San Bernardino County, California; Mohave County, Arizona. It took effect at Aug 3, 2019, 10:00 AM PDT. It was in force for 58 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 2, 2019, 1:15 PM PDT (20:15 UTC)
- In effect from
- Aug 3, 2019, 10:00 AM PDT
- Expired
- Aug 5, 2019, 8:00 PM PDT
- In force
- 58 hr
- Issued by
- NWS Las Vegas, NV
Counties Mohave County, AZ, Inyo County, CA, San Bernardino County, CA, Clark County, NV, Nye County, NV
The radar
The Las Vegas radar (KESX), 100 km from the middle of the area, began a volume at 20:19 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
Flgstf/Belemont, AZ (KFGZ), launched 12:00Z, 8.3 hours before the alert went out and 376 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
- 94 J/kg
- Mixed-layer CIN
- -108 J/kg
- Mixed-layer LCL
- 1768 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 25 m²/s²
- 0-3 km storm-relative helicity
- 54 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this excessive heat warning 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 excessive heat warning went out at Aug 2, 9:02 AM PDT, 4 hours 13 minutes earlier.
Area forecast discussion, Aug 2, 9:02 AM PDT, 4 hours 13 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 |
|---|---|---|---|---|
| Aug 1, 5:22 PM PDT | Flash Flood Warning | VEF | Mohave | 85 min |
| Aug 2, 4:10 PM PDT | Areal Flood Advisory | VEF | Mohave | 3 hr |
Nearby
Excessive Heat Warnings in Nevada, 2019Excessive Heat Warnings in California, 2019Excessive Heat Warnings in Arizona, 2019Every excessive heat warning in 2019
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.