Alert archive / California / Flash Flood Warnings in 2017
Flash Flood Warning 2, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Jul 10, 2017, 3:02 PM PDT for Inyo County, California. It was in force for 3 hr. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 10, 2017, 3:02 PM PDT (22:02 UTC)
- Expired
- Jul 10, 2017, 6:00 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), 163 km from the middle of the area, began a volume at 22:05 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 10, 3:57 PM PDT | FLASH FLOOD | 11 W Panamint Springs, CA | HIGHWAY PATROL REPORTS ROADWAY FLOODING WITH VEHICLE STUCK IN FLOOD WATERS. |
| Jul 10, 5:30 PM PDT | FLASH FLOOD | 13 Se Keeler, CA | HIGHWAY PATROL REPORTS CENTENNIAL WASH FLOWING ACROSS SR 190 - ROAD CLOSED. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Las Vegas, NV (KVEF), launched 12:00Z, 10.0 hours before the alert went out and 192 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
- 50 J/kg
- Mixed-layer CIN
- -213 J/kg
- Mixed-layer LCL
- 2855 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- -23 m²/s²
- 0-3 km storm-relative helicity
- 38 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
657 WGUS55 KVEF 102202 FFWVEF CAC027-110100- /O.NEW.KVEF.FF.W.0002.170710T2202Z-170711T0100Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Las Vegas NV 302 PM PDT MON JUL 10 2017 The National Weather Service in Las Vegas has issued a * Flash Flood Warning for... Central Inyo County in south central California... * Until 600 PM PDT * At 301 PM PDT, Doppler radar indicated thunderstorms producing heavy rain along highway 190 west of Panamint Springs. Flash flooding is expected to begin shortly. * Some locations that will experience flooding include... Keeler and Darwin and highway 190 west of Panamint Springs. 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. 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. && LAT...LON 3681 11748 3619 11754 3618 11787 3680 11798 $$ Outler
2 follow-up statements
683 WGUS75 KVEF 102310 FFSVEF Flash Flood Statement National Weather Service Las Vegas NV 410 PM PDT MON JUL 10 2017 CAC027-110100- /O.CON.KVEF.FF.W.0002.000000T0000Z-170711T0100Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Inyo CA- 410 PM PDT MON JUL 10 2017 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 600 PM PDT FOR CENTRAL INYO COUNTY... At 408 PM PDT, California Highway Patrol confirmed flash flooding was ongoing along highway 190 west of Panamint Springs. Thunderstorm activity persists at this hour and flash flooding remains a concern through the evening. Use caution in the area. Some locations that will experience flooding include... Keeler and Darwin and Panamint Springs. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Excessive runoff from heavy rainfall will cause flooding of small creeks and streams, country roads, farmland, and other low lying spots. In hilly terrain there are hundreds of low water crossings which are potentially dangerous in heavy rain. Do not attempt to cross flooded roads. Find an alternate route. && LAT...LON 3681 11748 3619 11754 3618 11787 3680 11798 $$ Outler
095 WGUS75 KVEF 110054 FFSVEF Flash Flood Statement National Weather Service Las Vegas NV 554 PM PDT MON JUL 10 2017 CAC027-110102- /O.EXP.KVEF.FF.W.0002.000000T0000Z-170711T0100Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Inyo CA- 554 PM PDT MON JUL 10 2017 ...THE FLASH FLOOD WARNING FOR CENTRAL INYO COUNTY WILL EXPIRE AT 600 PM PDT... The heavy rain has ended west of Panamint Springs. Flash flooding is no longer expected to pose a threat in that area. Please continue to heed any remaining road closures especially along highway 190 which remains problematic at this hour...especially closer to Stovepipe Wells. LAT...LON 3681 11748 3619 11754 3618 11787 3680 11798 $$ Outler
The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 9, 5:43 PM PDT | Flash Flood Warning | VEF | Inyo | 3 hr |
| Jul 10, 4:49 PM PDT | Flash Flood Warning | 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.