Alert archive / Arizona / Flash Flood Warnings in 2016
Flash Flood Warning 74, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Aug 4, 2016, 12:34 AM MST for Mohave County, Arizona. It was in force for 116 min. 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 4, 2016, 12:34 AM MST (07:34 UTC)
- Expired
- Aug 4, 2016, 2:30 AM MST
- In force
- 116 min
- Issued by
- NWS Las Vegas, NV
- Area
- Storm-based polygon
- Flood severity
- None
County Mohave County, AZ
The radar
The Las Vegas radar (KESX), 85 km from the middle of the area, began a volume at 07:35 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 00:00Z, 7.6 hours before the alert went out and 179 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
- 1079 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 2895 m above ground
- 0-6 km bulk shear
- 3 kt
- 0-1 km storm-relative helicity
- -36 m²/s²
- 0-3 km storm-relative helicity
- 22 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
233 WGUS55 KVEF 040734 FFWVEF AZC015-040930- /O.NEW.KVEF.FF.W.0074.160804T0734Z-160804T0930Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE LAS VEGAS NV 1234 AM MST THU AUG 4 2016 THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A * FLASH FLOOD WARNING FOR... WEST CENTRAL MOHAVE COUNTY IN NORTHWESTERN ARIZONA... * UNTIL 230 AM MST * AT 1233 AM MST...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING HEAVY RAIN BETWEEN OATMAN AND GOLDEN VALLEY. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY. * SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... GOLDEN VALLEY. PRECAUTIONARY/PREPAREDNESS ACTIONS... BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...FARMLAND...AND OTHER LOW LYING SPOTS. && LAT...LON 3532 11406 3504 11416 3498 11433 3523 11442 $$ MORGAN
2 follow-up statements
782 WGUS75 KVEF 040825 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 125 AM MST THU AUG 4 2016 AZC015-040930- /O.CON.KVEF.FF.W.0074.000000T0000Z-160804T0930Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MOHAVE AZ- 125 AM MST THU AUG 4 2016 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 230 AM MST FOR WEST CENTRAL MOHAVE COUNTY... AT 123 AM MST...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING HEAVY RAIN BETWEEN GOLDEN VALLEY AND OATMAN. A SENSOR IN THE MOUNTAINS BETWEEN OATMAN AND HIGHWAY 68 HAS RECORDED OVER AN INCH OF RAIN. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... GOLDEN VALLEY. PRECAUTIONARY/PREPAREDNESS ACTIONS... BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...FARMLAND...AND OTHER LOW LYING SPOTS. && LAT...LON 3532 11406 3504 11416 3498 11433 3523 11442 $$ MORGAN
805 WGUS75 KVEF 040920 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 220 AM MST THU AUG 4 2016 AZC015-040930- /O.EXP.KVEF.FF.W.0074.000000T0000Z-160804T0930Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MOHAVE AZ- 220 AM MST THU AUG 4 2016 ...THE FLASH FLOOD WARNING FOR WEST CENTRAL MOHAVE COUNTY WILL EXPIRE AT 230 AM MST... THE HEAVY RAIN HAS ENDED IN THE GOLDEN VALLEY AREA. FLOODING IS NO LONGER EXPECTED TO POSE A THREAT. PLEASE CONTINUE TO HEED ANY REMAINING ROAD CLOSURES. LAT...LON 3532 11406 3504 11416 3498 11433 3523 11442 $$ MORGAN
The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 3, 7:52 PM MST | Flash Flood Warning | VEF | Mohave | 3 hr |
| Aug 3, 9:13 PM MST | Severe Thunderstorm Warning | VEF | Mohave | 62 min |
| Aug 3, 10:21 PM MST | Areal Flood Advisory | VEF | Mohave | 3 hr |
| Aug 3, 10:58 PM MST | Severe Thunderstorm Warning | VEF | Mohave | 32 min |
| Aug 4, 12:07 AM MST | Flash Flood Warning | VEF | Mohave | 113 min |
| Aug 4, 12:09 AM MST | Flash Flood Warning | VEF | Mohave | 2 hr |
| Aug 4, 1:31 AM MST | Flash Flood Warning | VEF | Mohave | 119 min |
| Aug 4, 1:47 AM MST | Areal Flood Warning | VEF | Mohave | 12 hr |
Nearby
Flash Flood Warnings in Arizona, 2016Every flash flood warning in 2016
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.