Alert archive / Nevada / Flash Flood Warnings in 2018
Flash Flood Warning 98, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Aug 2, 2018, 3:42 PM PDT for Esmeralda County, Nye County, Nevada; 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 2, 2018, 3:42 PM PDT (22:42 UTC)
- Expired
- Aug 2, 2018, 6:45 PM PDT
- In force
- 3 hr
- Issued by
- NWS Las Vegas, NV
- Area
- Storm-based polygon
- Flood severity
- None
Counties Inyo County, CA, Esmeralda County, NV, Nye County, NV
The radar
The San Joaquin Valley radar (KHNX), 231 km from the middle of the area, began a volume at 22:41 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, 10.7 hours before the alert went out and 177 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
- 54 J/kg
- Mixed-layer CIN
- -173 J/kg
- Mixed-layer LCL
- 3279 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- -53 m²/s²
- 0-3 km storm-relative helicity
- -58 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
906 WGUS55 KVEF 022242 FFWVEF CAC027-NVC009-023-030145- /O.NEW.KVEF.FF.W.0098.180802T2242Z-180803T0145Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Las Vegas NV 342 PM PDT THU AUG 2 2018 The National Weather Service in Las Vegas has issued a * Flash Flood Warning for... North central Inyo County in south central California... West central Nye County in south central Nevada... Southeastern Esmeralda County in south central Nevada... * Until 645 PM PDT. * At 340 PM PDT, Doppler radar indicated thunderstorms producing heavy rain southwest of Scottys Castle moving to the northeast. Flash flooding is expected to begin shortly. * Some locations that will experience flooding include... Mesquite Springs Campground, Scottys Castle and Scottys Castle Road. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && LAT...LON 3739 11716 3710 11685 3683 11749 3709 11768 $$ JS
2 follow-up statements
268 WGUS75 KVEF 030010 FFSVEF Flash Flood Statement National Weather Service Las Vegas NV 510 PM PDT THU AUG 2 2018 CAC027-NVC009-023-030145- /O.CON.KVEF.FF.W.0098.000000T0000Z-180803T0145Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Inyo CA-Nye NV-Esmeralda NV- 510 PM PDT THU AUG 2 2018 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 645 PM PDT FOR NORTH CENTRAL INYO...WEST CENTRAL NYE AND SOUTHEASTERN ESMERALDA COUNTIES... At 503 PM PDT, Doppler radar indicated thunderstorms have weakened and moved out of the warning area. Further flash flooding is no longer expected however, due to the earlier heavy rain, expect elevated water levels in washes and water flowing across low lying areas of roads around Scottys Castle and Scottys Castle Road. Some locations that may be experiencing flooding include... Mesquite Springs Campground, Scottys Castle and Scottys Castle Road. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && LAT...LON 3739 11716 3710 11685 3683 11749 3709 11768 $$ JS
510 WGUS75 KVEF 030136 FFSVEF Flash Flood Statement National Weather Service Las Vegas NV 636 PM PDT THU AUG 2 2018 CAC027-NVC009-023-030146- /O.EXP.KVEF.FF.W.0098.000000T0000Z-180803T0145Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Inyo CA-Nye NV-Esmeralda NV- 636 PM PDT THU AUG 2 2018 ...THE FLASH FLOOD WARNING FOR NORTH CENTRAL INYO...WEST CENTRAL NYE AND SOUTHEASTERN ESMERALDA COUNTIES WILL EXPIRE AT 645 PM PDT... Thunderstorms have moved away from the area and the heavy rain has ended. Flooding is no longer expected to pose a threat. Please continue to heed any remaining road closures. LAT...LON 3739 11716 3710 11685 3683 11749 3709 11768 $$ JS
The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 12:41 PM PDT | Severe Thunderstorm Warning | VEF | Clark | 49 min |
| Aug 2, 2:26 PM PDT | Severe Thunderstorm Warning | VEF | Clark | 49 min |
| Aug 2, 2:32 PM PDT | Flash Flood Warning | VEF | Clark | 3 hr |
| Aug 2, 2:48 PM PDT | Flash Flood Warning | VEF | Clark | 3 hr |
| Aug 2, 2:58 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 47 min |
| Aug 2, 3:07 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 38 min |
| Aug 2, 3:29 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 26 min |
Nearby
Flash Flood Warnings in Nevada, 2018Flash Flood Warnings in California, 2018Every flash flood warning in 2018
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.