Alert archive / Arizona / Flash Flood Warnings in 2016
Flash Flood Warning 62, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Aug 3, 2016, 2:37 PM MST for Mohave County, Arizona. It was in force for 3 hr. 1 report 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
- Aug 3, 2016, 2:37 PM MST (21:37 UTC)
- Expired
- Aug 3, 2016, 5:30 PM MST
- In force
- 3 hr
- Issued by
- NWS Las Vegas, NV
- Area
- Storm-based polygon
- Flood severity
- None
County Mohave County, AZ
The radar
The Las Vegas radar (KESX), 136 km from the middle of the area, began a volume at 21:37 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 |
|---|---|---|---|
| Aug 3, 3:11 PM MST | FLASH FLOOD | 9 S Valentine, AZ | HACKBERRY ROAD FROM HWY 93 TO ROUTE 66 CLOSED DUE TO FLOODING. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Flgstf/Belemont, AZ (KFGZ), launched 12:00Z, 9.6 hours before the alert went out and 160 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
- 258 J/kg
- Mixed-layer CIN
- -27 J/kg
- Mixed-layer LCL
- 802 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- 12 m²/s²
- 0-3 km storm-relative helicity
- 59 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
723 WGUS55 KVEF 032137 FFWVEF AZC015-040030- /O.NEW.KVEF.FF.W.0062.160803T2137Z-160804T0030Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE LAS VEGAS NV 237 PM MST WED AUG 3 2016 THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A * FLASH FLOOD WARNING FOR... EAST CENTRAL MOHAVE COUNTY IN NORTHWESTERN ARIZONA... * UNTIL 530 PM MST * AT 235 PM MST...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING HEAVY RAIN ACROSS THE WARNED AREA ALONG THE EASTERN BORDER OF MOHAVE COUNTY. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY. * SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... DIAMOND M RANCH...VALENTINE...FORT ROCK AND PEACH SPRINGS. PRECAUTIONARY/PREPAREDNESS ACTIONS... TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD DEATHS OCCUR IN VEHICLES. && LAT...LON 3483 11369 3564 11373 3563 11333 3484 11333 $$ JH
2 follow-up statements
569 WGUS75 KVEF 032259 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 359 PM MST WED AUG 3 2016 AZC015-040030- /O.CON.KVEF.FF.W.0062.000000T0000Z-160804T0030Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MOHAVE AZ- 359 PM MST WED AUG 3 2016 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 530 PM MST FOR SOUTH CENTRAL MOHAVE COUNTY... AT 357 PM MST...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. PUBLIC WORKS REPORTED HACKBERRY ROAD WAS CLOSED FROM HIGHWAY 93 NORTH TO ROUTE 66. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... DIAMOND M RANCH...VALENTINE AND PEACH SPRINGS. PRECAUTIONARY/PREPAREDNESS ACTIONS... TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD DEATHS OCCUR IN VEHICLES. && LAT...LON 3483 11369 3564 11373 3563 11333 3484 11333 $$ JH
237 WGUS75 KVEF 040023 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 523 PM MST WED AUG 3 2016 AZC015-040030- /O.EXP.KVEF.FF.W.0062.000000T0000Z-160804T0030Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MOHAVE AZ- 523 PM MST WED AUG 3 2016 ...THE FLASH FLOOD WARNING FOR SOUTH CENTRAL MOHAVE COUNTY WILL EXPIRE AT 530 PM MST... THE HEAVY RAIN HAS ENDED IN THE NORTHERN PORTION OF THIS WARNING NEAR PEACH SPRINGS. RAIN AND THE THREAT OF FLOODING CONTINUES FROM VALENTINE SOUTHWARD AND ANOTHER FLASH FLOOD WARNING WAS ISSUED EARLIER WHICH INCLUDES THAT AREA. PLEASE CONTINUE TO HEED ANY REMAINING ROAD CLOSURES. LAT...LON 3483 11369 3564 11373 3563 11333 3484 11333 $$ JH
The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 5:40 PM MST | Areal Flood Advisory | VEF | Mohave | 110 min |
| Aug 3, 2:54 AM MST | Flash Flood Watch | VEF | Mohave | 50 hr |
| Aug 3, 11:44 AM MST | Flash Flood Warning | VEF | Mohave | 3 hr |
| Aug 3, 12:29 PM MST | Flash Flood Warning | VEF | Mohave | 3 hr |
| Aug 3, 1:07 PM MST | Flash Flood Warning | VEF | Mohave | 3 hr |
| Aug 3, 2:47 PM MST | Flash Flood Warning | VEF | Mohave | 3 hr |
| Aug 3, 3:12 PM MST | Flash Flood Warning | VEF | Mohave | 3 hr |
| Aug 3, 3:56 PM MST | Flash Flood Warning | VEF | Mohave | 4 hr |
| Aug 3, 4:34 PM MST | Severe Thunderstorm Warning | VEF | Mohave | 26 min |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.