Alert archive / Nevada / Flash Flood Warnings in 2017
Flash Flood Warning 74, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Aug 3, 2017, 4:47 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
- Aug 3, 2017, 4:47 PM PDT (23:47 UTC)
- Expired
- Aug 3, 2017, 7:45 PM PDT
- In force
- 3 hr
- Issued by
- NWS Las Vegas, NV
- Area
- Storm-based polygon
- Flood severity
- None
County Lincoln County, NV
The radar
The Cedar City radar (KICX), 132 km from the middle of the area, began a volume at 23:47 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, 11.8 hours before the alert went out and 175 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
- 188 J/kg
- Mixed-layer CIN
- -242 J/kg
- Mixed-layer LCL
- 2138 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- -24 m²/s²
- 0-3 km storm-relative helicity
- -8 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
572 WGUS55 KVEF 032347 FFWVEF NVC017-040245- /O.NEW.KVEF.FF.W.0074.170803T2347Z-170804T0245Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Las Vegas NV 447 PM PDT THU AUG 3 2017 The National Weather Service in Las Vegas has issued a * Flash Flood Warning for... East central Lincoln County in south central Nevada... * Until 745 PM PDT * At 445 PM PDT, Doppler radar indicated thunderstorms producing heavy rain over Clover Creek Road just east of Caliente. Flash flooding is expected to begin shortly. * Some locations that will experience flooding include... Caliente and Cabin Pines Campground. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && LAT...LON 3773 11426 3747 11424 3748 11454 3776 11451 $$ ASG
2 follow-up statements
366 WGUS75 KVEF 040051 FFSVEF Flash Flood Statement National Weather Service Las Vegas NV 551 PM PDT THU AUG 3 2017 NVC017-040245- /O.CON.KVEF.FF.W.0074.000000T0000Z-170804T0245Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Lincoln NV- 551 PM PDT THU AUG 3 2017 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 745 PM PDT FOR EAST CENTRAL LINCOLN COUNTY... At 550 PM PDT, Doppler radar continued to indicated thunderstorms producing heavy rain across Caliente and Clover Creek Road. Flash flooding is likely to be occurring in these areas. Some locations that will experience flooding include... Caliente, Cabin Pines Campground, Clover Creek Road. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Excessive runoff from heavy rainfall will cause flooding of small creeks and streams, country roads, farmland, and other low lying spots. && LAT...LON 3773 11426 3747 11424 3748 11454 3776 11451 $$ ASG
527 WGUS75 KVEF 040243 FFSVEF Flash Flood Statement National Weather Service Las Vegas NV 743 PM PDT THU AUG 3 2017 NVC017-040252- /O.EXP.KVEF.FF.W.0074.000000T0000Z-170804T0245Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Lincoln NV- 743 PM PDT THU AUG 3 2017 ...THE FLASH FLOOD WARNING FOR EAST CENTRAL LINCOLN COUNTY WILL EXPIRE AT 745 PM PDT... The heavy rain has ended. Flooding is no longer expected to pose a threat. There is likely areas of standing water so please continue to heed any remaining road closures. LAT...LON 3773 11426 3747 11424 3748 11454 3776 11451 $$ ASG
The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 5:14 PM PDT | Severe Thunderstorm Warning | VEF | Clark | 61 min |
| Aug 2, 6:02 PM PDT | Severe Thunderstorm Warning | VEF | Clark | 28 min |
| Aug 2, 6:35 PM PDT | Severe Thunderstorm Warning | VEF | Clark | 25 min |
| Aug 2, 6:45 PM PDT | Severe Thunderstorm Warning | VEF | Clark | 30 min |
| Aug 3, 2:27 AM PDT | Flash Flood Watch | VEF | Clark, Lincoln, Nye | 21 hr |
Nearby
Flash Flood Warnings in Nevada, 2017Every flash flood warning in 2017
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.