Alert archive / California / Flash Flood Warnings in 2017
Flash Flood Warning 81, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Aug 6, 2017, 1:50 PM PDT for Inyo County, California. 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 6, 2017, 1:50 PM PDT (20:50 UTC)
- Expired
- Aug 6, 2017, 4:45 PM PDT
- In force
- 3 hr
- Issued by
- NWS Las Vegas, NV
- Area
- Storm-based polygon
- Flood severity
- None
County Inyo County, CA
The radar
The Edwards AFB radar (KEYX), 142 km from the middle of the area, began a volume at 20:50 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, 8.8 hours before the alert went out and 178 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
- 55 J/kg
- Mixed-layer CIN
- -277 J/kg
- Mixed-layer LCL
- 2035 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- -7 m²/s²
- 0-3 km storm-relative helicity
- 49 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
422 WGUS55 KVEF 062050 FFWVEF CAC027-062345- /O.NEW.KVEF.FF.W.0081.170806T2050Z-170806T2345Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Las Vegas NV 150 PM PDT SUN AUG 6 2017 The National Weather Service in Las Vegas has issued a * Flash Flood Warning for... Central Inyo County in south central California... * Until 445 PM PDT * At 148 PM PDT, Doppler radar indicated thunderstorms producing heavy rain east of Panamint Springs along Highway 190. Flash flooding is expected to begin shortly. * Some locations that will experience flooding include... Highway 190 between Panamint Springs and Keeler, Panamint Springs and Darwin. 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 3649 11742 3619 11742 3620 11770 3649 11769 $$ js
2 follow-up statements
957 WGUS75 KVEF 062217 FFSVEF Flash Flood Statement National Weather Service Las Vegas NV 317 PM PDT SUN AUG 6 2017 CAC027-062345- /O.CON.KVEF.FF.W.0081.000000T0000Z-170806T2345Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Inyo CA- 317 PM PDT SUN AUG 6 2017 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 445 PM PDT FOR CENTRAL INYO COUNTY... At 315 PM PDT, Doppler radar continued to indicate thunderstorms producing heavy rain south of Highway 190 near Panamint Springs. Motorists traveling along Highway 190 through Death Valley may encounter flooded roads between Panamint Springs and Keeler. Some locations that will experience flooding include... Highway 190, Panamint Springs and Darwin. PRECAUTIONARY/PREPAREDNESS ACTIONS... Excessive runoff from heavy rainfall will cause flooding of washes and other low lying spots.Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && LAT...LON 3649 11742 3619 11742 3620 11770 3649 11769 $$ JS
281 WGUS75 KVEF 062338 FFSVEF Flash Flood Statement National Weather Service Las Vegas NV 438 PM PDT SUN AUG 6 2017 CAC027-062347- /O.EXP.KVEF.FF.W.0081.000000T0000Z-170806T2345Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Inyo CA- 438 PM PDT SUN AUG 6 2017 ...THE FLASH FLOOD WARNING FOR CENTRAL INYO COUNTY WILL EXPIRE AT 445 PM PDT... The heavy rain has ended. Flooding is no longer expected to pose a threat along Highway 190 between Keeler and Panamint Springs. Please continue to heed any remaining road closures. LAT...LON 3649 11742 3619 11742 3620 11770 3649 11769 $$ JH
The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 6, 2:51 PM PDT | Flash Flood Warning | VEF | Inyo | 3 hr |
| Aug 6, 4:34 PM PDT | Areal Flood Advisory | VEF | Inyo | 3 hr |
Nearby
Flash Flood Warnings in California, 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.