Alert archive / Nevada / Flash Flood Warnings in 2021
Flash Flood Warning 3, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Jun 29, 2021, 3:26 PM PDT for Lincoln County, Nevada. It was in force for 3 hr. 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 29, 2021, 3:26 PM PDT (22:26 UTC)
- Expired
- Jun 29, 2021, 6:30 PM PDT
- In force
- 3 hr
- Issued by
- NWS Las Vegas, NV
- Area
- Storm-based polygon
- Damage threat
- Considerable
- Flood severity
- None
County Lincoln County, NV
The radar
The Cedar City radar (KICX), 107 km from the middle of the area, began a volume at 22:28 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, 10.4 hours before the alert went out and 184 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
- 41 J/kg
- Mixed-layer CIN
- -205 J/kg
- Mixed-layer LCL
- 3715 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 19 m²/s²
- 0-3 km storm-relative helicity
- 38 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
078
WGUS55 KVEF 292226
FFWVEF
NVC017-300130-
/O.NEW.KVEF.FF.W.0003.210629T2226Z-210630T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Las Vegas NV
326 PM PDT Tue Jun 29 2021
The National Weather Service in Las Vegas has issued a
* Flash Flood Warning for...
East Central Lincoln County in south central Nevada...
* Until 630 PM PDT.
* At 326 PM PDT, Doppler radar indicated thunderstorms producing
heavy rain in Beaver Dam State Park. Automate rain gauges have
observed 0,79 inches of rainfall in the past 30 minutes. Flash
flooding is ongoing or expected to begin shortly.
HAZARD...Life-threatening flash flooding. Thunderstorms
producing flash flooding.
SOURCE...Doppler radar and rain gauges.
IMPACT...Life-threatening flash flooding of low-water
crossings, creeks, normally dry washes and roads.
* Some locations that will experience flash flooding include...
Beaver Dam State Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3750 11405 3742 11405 3742 11409 3749 11417
3759 11413 3761 11406 3761 11405 3760 11405
3759 11405 3757 11405 3754 11405 3752 11405
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
SC2 follow-up statements
795
WGUS75 KVEF 300107
FFSVEF
Flash Flood Statement
National Weather Service Las Vegas NV
607 PM PDT Tue Jun 29 2021
NVC017-300130-
/O.CON.KVEF.FF.W.0003.000000T0000Z-210630T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lincoln NV-
607 PM PDT Tue Jun 29 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 630 PM PDT THIS
EVENING FOR EAST CENTRAL LINCOLN COUNTY...
At 607 PM PDT, Doppler radar indicated thunderstorms that produced
the earlier heavy rain in Beaver Dam State Park have diminished.
However, runoff from the earlier heavy rain is likely still
producing flash flooding.
HAZARD...Life-threatening flash flooding. Thunderstorms producing
flash flooding.
SOURCE...Doppler radar.
IMPACT...Life-threatening flash flooding of low-water crossings,
creeks, normally dry washes and roads.
Some locations that will experience flash flooding include...
Beaver Dam State Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3750 11405 3742 11405 3742 11409 3749 11417
3759 11413 3761 11406 3761 11405 3760 11405
3759 11405 3757 11405 3754 11405 3752 11405
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
SC228
WGUS75 KVEF 300123
FFSVEF
Flash Flood Statement
National Weather Service Las Vegas NV
623 PM PDT Tue Jun 29 2021
NVC017-300133-
/O.EXP.KVEF.FF.W.0003.000000T0000Z-210630T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lincoln NV-
623 PM PDT Tue Jun 29 2021
...FLASH FLOOD WARNING WILL EXPIRE AT 630 PM PDT THIS EVENING FOR
EAST CENTRAL LINCOLN COUNTY...
The heavy rain has ended. Flooding is no longer expected to pose a
threat in the Beaver dam vicinity. Please continue to heed remaining
road closures.
LAT...LON 3753 11409 3743 11405 3742 11405 3742 11409
3749 11417 3759 11413 3761 11406 3761 11405
3760 11405 3759 11405 3757 11405 3754 11405
3752 11405
$$
COThe office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 29, 2:29 PM PDT | Flash Flood Warning | VEF | Clark | 2 hr |
| Jun 29, 3:24 PM PDT | Severe Thunderstorm Warning | VEF | Lincoln | 51 min |
| Jun 29, 4:17 PM PDT | Severe Thunderstorm Warning | VEF | Clark, Lincoln | 58 min |
Nearby
Flash Flood Warnings in Nevada, 2021Every flash flood warning 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.