Alert archive / California / Flash Flood Warnings in 2017
Flash Flood Warning 24, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Jul 23, 2017, 3:17 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
- Jul 23, 2017, 3:17 PM PDT (22:17 UTC)
- Expired
- Jul 23, 2017, 6:15 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 San Joaquin Valley radar (KHNX), 129 km from the middle of the area, began a volume at 22:19 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
Las Vegas, NV (KVEF), launched 12:00Z, 10.3 hours before the alert went out and 239 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
- 350 J/kg
- Mixed-layer CIN
- -277 J/kg
- Mixed-layer LCL
- 2783 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- 40 m²/s²
- 0-3 km storm-relative helicity
- 68 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
457
WGUS55 KVEF 232217
FFWVEF
CAC027-240115-
/O.NEW.KVEF.FF.W.0024.170723T2217Z-170724T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Las Vegas NV
317 PM PDT SUN JUL 23 2017
The National Weather Service in Las Vegas has issued a
* Flash Flood Warning for...
West central Inyo County in south central California...
* Until 615 PM PDT
* At 315 PM PDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area west of Lone Pine. Flash
flooding is expected to begin shortly.
* Some locations that will experience flooding include...
Lone Pine, Diaz Lake, Whitney Portal Campground, Portagee Lake
Campground and Tuttle Creek Campground.
Heavy rainfall could spread over the Horseshoe Fire burn scar which
could result in debris flow. The debris flow can consist of rock,
mud, vegetation and other loose materials.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.
&&
LAT...LON 3659 11829 3660 11827 3663 11806 3642 11800
3640 11814 3643 11816 3643 11821 3645 11821
3648 11825 3651 11824 3652 11825 3654 11825
3656 11829
$$
JH2 follow-up statements
770
WGUS75 KVEF 240008
FFSVEF
Flash Flood Statement
National Weather Service Las Vegas NV
508 PM PDT SUN JUL 23 2017
CAC027-240115-
/O.CON.KVEF.FF.W.0024.000000T0000Z-170724T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Inyo CA-
508 PM PDT SUN JUL 23 2017
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 615 PM PDT FOR
WEST CENTRAL INYO COUNTY...
At 504 PM PDT, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. This area is also an area of
considerable snowmelt. With combined effects of heavy rain and
runoff flash flooding is expected.
Some locations that will experience flooding include...
Lone Pine, Diaz Lake, Whitney Portal Campground, Portagee Lake
Campground and Tuttle Creek Campground.
Heavy rainfall could spread over the Horseshoe Fire burn scar which
could result in debris flow. The debris flow can consist of rock,
mud, vegetation and other loose materials.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.
&&
LAT...LON 3659 11829 3660 11827 3663 11806 3642 11800
3640 11814 3643 11816 3643 11821 3645 11821
3648 11825 3651 11824 3652 11825 3654 11825
3656 11829
$$
AB424
WGUS75 KVEF 240116
FFSVEF
Flash Flood Statement
National Weather Service Las Vegas NV
616 PM PDT SUN JUL 23 2017
CAC027-240120-
/O.EXP.KVEF.FF.W.0024.000000T0000Z-170724T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Inyo CA-
616 PM PDT SUN JUL 23 2017
...THE FLASH FLOOD WARNING FOR WEST CENTRAL INYO COUNTY WILL EXPIRE
AT 615 PM PDT...
The heavy rain has tapered off with only light showers remaining
over the area. Minor flooding is still possible near Lone Pine and
along highway US-395. Please continue to heed any remaining road
closures.
LAT...LON 3659 11829 3660 11827 3663 11806 3642 11800
3640 11814 3643 11816 3643 11821 3645 11821
3648 11825 3651 11824 3652 11825 3654 11825
3656 11829
$$
ABThe office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 23, 12:06 PM PDT | Areal Flood Advisory | VEF | Inyo | 7 days |
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.