Alert archive / California / Flash Flood Warnings in 2017
Flash Flood Warning 50, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Jul 26, 2017, 11:47 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 26, 2017, 11:47 AM PDT (18:47 UTC)
- Expired
- Jul 26, 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 Las Vegas radar (KESX), 164 km from the middle of the area, began a volume at 18:47 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, 6.8 hours before the alert went out and 90 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
- 565 J/kg
- Mixed-layer CIN
- -137 J/kg
- Mixed-layer LCL
- 1235 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 17 m²/s²
- 0-3 km storm-relative helicity
- 41 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
093 WGUS55 KVEF 261847 FFWVEF CAC027-262145- /O.NEW.KVEF.FF.W.0050.170726T1847Z-170726T2145Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Las Vegas NV 1147 AM PDT WED JUL 26 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 1144 AM PDT, Doppler radar indicated a thunderstorm near Dante's View producing heavy rain. * Some locations that will experience flooding include... State Route 190 between Furnace Creek and Death Valley Junction, Furnace Creek Wash Road and Dante's View. Runoff may also impact Ash Meadows Road and Stateline Road after a couple of hours. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Remain alert for flooding even in locations not receiving rain. Arroyos, streams, and rivers can become raging killer currents in a matter of minutes, even from distant rainfall. 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 3641 11642 3628 11627 3612 11675 3645 11686 $$ STEELE
2 follow-up statements
513 WGUS75 KVEF 261952 FFSVEF Flash Flood Statement National Weather Service Las Vegas NV 1252 PM PDT WED JUL 26 2017 CAC027-262145- /O.CON.KVEF.FF.W.0050.000000T0000Z-170726T2145Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Inyo CA- 1252 PM PDT WED JUL 26 2017 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 245 PM PDT FOR SOUTHEASTERN INYO COUNTY... At 1248 PM PDT, Doppler radar indicated another thunderstorm has redeveloped over the warned area. Flash flooding is likely occuring or will begin shortly. Some locations that will experience flooding include... Dante's View, Furnace Creek Wash Road, and SR 190 between Death Valley Junction and Furnace Creek. Runoff could also reach portions of State Line Road/Ash Meadows Road if storms move toward to the northeast off the higher terrain. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Remain alert for flooding even in locations not receiving rain. Arroyos, streams, and rivers can become raging killer currents in a matter of minutes, even from distant rainfall. Flooding is occurring or is imminent. It is important to know where you are relative to streams, rivers, or creeks which can become killers in heavy rains. Campers and hikers should avoid streams or creeks. && LAT...LON 3641 11642 3628 11627 3612 11675 3645 11686 $$ STEELE
953 WGUS75 KVEF 262140 FFSVEF Flash Flood Statement National Weather Service Las Vegas NV 240 PM PDT WED JUL 26 2017 CAC027-262148- /O.EXP.KVEF.FF.W.0050.000000T0000Z-170726T2145Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Inyo CA- 240 PM PDT WED JUL 26 2017 ...THE FLASH FLOOD WARNING FOR SOUTHEASTERN INYO COUNTY WILL EXPIRE AT 245 PM PDT... The heavy rain has ended. Runoff may take time to reach further downstream. Continue to exercise caution, especially on Furnace Creek Wash Road. LAT...LON 3641 11642 3628 11627 3612 11675 3645 11686 $$ STEELE
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.