Alert archive / Nevada / Flash Flood Warnings in 2021
Flash Flood Warning 81, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Jul 29, 2021, 12:19 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
- Jul 29, 2021, 12:19 PM PDT (19:19 UTC)
- Expired
- Jul 29, 2021, 3:30 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), 123 km from the middle of the area, began a volume at 19:20 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, 7.3 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.
- Mixed-layer CAPE
- 2 J/kg
- Mixed-layer CIN
- -212 J/kg
- Mixed-layer LCL
- 3039 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- -24 m²/s²
- 0-3 km storm-relative helicity
- 65 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
620
WGUS55 KVEF 291919
FFWVEF
NVC017-292230-
/O.NEW.KVEF.FF.W.0081.210729T1919Z-210729T2230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Las Vegas NV
1219 PM PDT Thu Jul 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 330 PM PDT.
* At 1219 PM PDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area, especially near Eagle Valley.
Flash flooding is ongoing or expected to begin shortly.
HAZARD...Life-threatening flash flooding. Thunderstorms
producing flash flooding.
SOURCE...Radar.
IMPACT...Life-threatening flash flooding of low-water
crossings, creeks, normally dry washes and roads.
* Some locations that will experience flash flooding include...
Ursine, Ranch Campground, Eagle Valley, Horsethief Gulch
Campground, Meadow Valley Campground, Echo Canyon State Park and
Panaca.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.
Flooding is occurring or is imminent. It is important to know where
you are relative to streams, rivers, or creeks which can become
killers in heavy rains. Campers and hikers should avoid streams or
creeks.
&&
LAT...LON 3791 11405 3787 11405 3777 11440 3785 11441
3795 11428 3829 11430 3834 11405 3826 11405
3825 11405 3820 11405 3816 11405 3815 11405
3814 11405 3808 11405 3806 11405 3800 11405
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
CP2 follow-up statements
756
WGUS75 KVEF 292029
FFSVEF
Flash Flood Statement
National Weather Service Las Vegas NV
129 PM PDT Thu Jul 29 2021
NVC017-292230-
/O.CON.KVEF.FF.W.0081.000000T0000Z-210729T2230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lincoln NV-
129 PM PDT Thu Jul 29 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 330 PM PDT THIS
AFTERNOON FOR EAST CENTRAL LINCOLN COUNTY...
At 129 PM PDT, Doppler radar indicated thunderstorms are continuing
to develop in and around the warned area. Radar estimates 1 to 2
inches of rainfall has already fallen in some spots near Eagle
Valley. An additional half inch to inch is possible. Flash flooding
is ongoing or expected to begin shortly.
HAZARD...Life-threatening flash flooding. Thunderstorms producing
flash flooding.
SOURCE...Radar.
IMPACT...Life-threatening flash flooding of low-water crossings,
creeks, normally dry washes and roads.
Some locations that will experience flash flooding include...
Ursine, Ranch Campground, Eagle Valley, Horsethief Gulch
Campground, Meadow Valley Campground, Echo Canyon State Park and
Panaca.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.
Flooding is occurring or is imminent. It is important to know where
you are relative to streams, rivers, or creeks which can become
killers in heavy rains. Campers and hikers should avoid streams or
creeks.
&&
LAT...LON 3791 11405 3787 11405 3777 11440 3785 11441
3795 11428 3829 11430 3834 11405 3826 11405
3825 11405 3820 11405 3816 11405 3815 11405
3814 11405 3808 11405 3806 11405 3800 11405
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
CP933
WGUS75 KVEF 292225
FFSVEF
Flash Flood Statement
National Weather Service Las Vegas NV
325 PM PDT Thu Jul 29 2021
NVC017-292235-
/O.EXP.KVEF.FF.W.0081.000000T0000Z-210729T2230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lincoln NV-
325 PM PDT Thu Jul 29 2021
...FLASH FLOOD WARNING WILL EXPIRE AT 330 PM PDT THIS AFTERNOON FOR
EAST CENTRAL LINCOLN COUNTY...
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed remaining road closures.
LAT...LON 3791 11405 3787 11405 3777 11440 3785 11441
3795 11428 3829 11430 3834 11405 3826 11405
3825 11405 3820 11405 3816 11405 3815 11405
3814 11405 3808 11405 3806 11405 3800 11405
$$
CPThe office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 29, 1:13 PM PDT | Flash Flood Watch | VEF | Clark, Esmeralda, Lincoln, Nye | 55 hr |
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.