Alert archive / California / Flash Flood Warnings in 2017
Flash Flood Warning 45, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Jul 25, 2017, 11:39 AM 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 25, 2017, 11:39 AM PDT (18:39 UTC)
- Expired
- Jul 25, 2017, 2:45 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), 163 km from the middle of the area, began a volume at 18:40 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, 6.7 hours before the alert went out and 101 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
- 916 J/kg
- Mixed-layer CIN
- -51 J/kg
- Mixed-layer LCL
- 897 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 149 m²/s²
- 0-3 km storm-relative helicity
- 167 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 3.2
The text
As transmitted.
647 WGUS55 KVEF 251839 FFWVEF CAC027-252145- /O.NEW.KVEF.FF.W.0045.170725T1839Z-170725T2145Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Las Vegas NV 1139 AM PDT TUE JUL 25 2017 The National Weather Service in Las Vegas has issued a * Flash Flood Warning for... Southeastern Inyo County in south central California... * Until 245 PM PDT * At 1138 AM PDT, Doppler radar indicated thunderstorms producing heavy rain near Dante's View. Flash flooding is expected to begin shortly. * Some locations that will experience flooding include... Furnace Creek, Death Valley Junction and Texas Springs Campground, Furnace Creek Road, Dante's View. Flooding is also likely as thunderstorms continue to develop on Ash Meadows Road and Stateline Road. 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 3646 11690 3650 11654 3624 11620 3617 11679 $$ STEELE
2 follow-up statements
264 WGUS75 KVEF 251949 FFSVEF Flash Flood Statement National Weather Service Las Vegas NV 1249 PM PDT TUE JUL 25 2017 CAC027-252145- /O.CON.KVEF.FF.W.0045.000000T0000Z-170725T2145Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Inyo CA- 1249 PM PDT TUE JUL 25 2017 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 245 PM PDT FOR SOUTHEASTERN INYO COUNTY... At 1246 PM PDT, thunderstorms persisted along highway 190 between Death Valley Junction and Furnace Creek...with ongoing runoff likely along Badwater roads and Dantes View Road. Some locations that may experience flooding include... Furnace Creek, Death Valley Junction and Texas Springs Campground. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. In hilly terrain there are hundreds of low water crossings which are potentially dangerous in heavy rain. Do not attempt to cross flooded roads. Find an alternate route. Flooding is occurring or is imminent. It is important to know where you are relative to streams, rivers, or creeks which can become killers in heavy rains. Campers and hikers should avoid streams or creeks. && LAT...LON 3646 11690 3650 11654 3624 11620 3617 11679 $$ Outler
924 WGUS75 KVEF 252140 FFSVEF Flash Flood Statement National Weather Service Las Vegas NV 240 PM PDT TUE JUL 25 2017 CAC027-252149- /O.EXP.KVEF.FF.W.0045.000000T0000Z-170725T2145Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Inyo CA- 240 PM PDT TUE JUL 25 2017 ...THE FLASH FLOOD WARNING FOR SOUTHEASTERN INYO COUNTY WILL EXPIRE AT 245 PM PDT... The heavy rain has ended. Flash flooding is no longer expected to pose a threat. Please continue to heed any remaining road closures. LAT...LON 3646 11690 3650 11654 3624 11620 3617 11679 $$ Outler
The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 24, 6:30 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Jul 24, 6:54 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Jul 24, 7:40 PM PDT | Flash Flood Warning | VEF | San Bernardino | 2 hr |
| Jul 24, 11:59 PM PDT | Flash Flood Watch | VEF | San Bernardino | 20 hr |
| Jul 25, 11:06 AM PDT | Flash Flood Warning | VEF | San Bernardino | 6 hr |
| Jul 25, 1:28 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Jul 25, 4:07 PM PDT | Flash Flood Warning | VEF | San Bernardino | 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.