Alert archive / Arizona / Flash Flood Warnings in 2016

Flash Flood Warning 92, NWS Las Vegas, NV

August 18, 2016Mohave County, Arizona

NWS Las Vegas, NV issued this flash flood warning at Aug 18, 2016, 6:08 PM MST for Mohave County, Arizona. 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 18, 2016, 6:08 PM MST (01:08 UTC)
Expired
Aug 18, 2016, 9:00 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), 111 km from the middle of the area, began a volume at 01:09 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

Flgstf/Belemont, AZ (KFGZ), launched 00:00Z, 1.1 hours before the alert went out and 190 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.

Skew-T log-pSkew-T log-p diagram, Flgstf/Belemont, AZ at 00:00Z on 2016-08-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 17 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Flgstf/Belemont, AZ at 00:00Z on 2016-08-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -10 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
17 J/kg
Mixed-layer CIN
-68 J/kg
Mixed-layer LCL
1630 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
-10 m²/s²
0-3 km storm-relative helicity
24 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

613 
WGUS55 KVEF 190108
FFWVEF
AZC015-190400-
/O.NEW.KVEF.FF.W.0092.160819T0108Z-160819T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAS VEGAS NV
608 PM MST THU AUG 18 2016

THE NATIONAL WEATHER SERVICE IN LAS VEGAS  HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHERN MOHAVE COUNTY IN NORTHWESTERN ARIZONA...

* UNTIL 900 PM MST

* AT 605 PM MST...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN SOUTH AND EAST OF KINGMAN. AT 604 PM MST...A TRAINED
  SPOTTER REPORTED THAT DW RANCH ROAD WAS CLOSED DUE TO FLOODING.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  KINGMAN...HUALAPAI MOUNTAIN PARK...BLAKE RANCH ROAD...
  DW RANCH ROAD...WILD COW CAMPGROUND AND HUALAPAI PEAK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 3527 11382 3508 11367 3492 11397 3513 11415

$$

MORGAN
3 follow-up statements
046 
WGUS75 KVEF 190147
FFSVEF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
647 PM MST THU AUG 18 2016

AZC015-190400-
/O.CON.KVEF.FF.W.0092.000000T0000Z-160819T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MOHAVE AZ-
647 PM MST THU AUG 18 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 900 PM MST FOR
SOUTHERN MOHAVE COUNTY...

AT 646 PM MST...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN OVER HUALAPAI MOUNTAIN. DW RANCH ROAD WAS CLOSED
BETWEEN MILE MARKERS 3 AND 4 DUE TO FLOODING.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
KINGMAN...HUALAPAI MOUNTAIN PARK...BLAKE RANCH ROAD...
DW RANCH ROAD...WILD COW CAMPGROUND AND HUALAPAI PEAK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 3527 11382 3508 11367 3492 11397 3513 11415

$$

MORGAN
576 
WGUS75 KVEF 190306
FFSVEF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
806 PM MST THU AUG 18 2016

AZC015-190400-
/O.CON.KVEF.FF.W.0092.000000T0000Z-160819T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MOHAVE AZ-
806 PM MST THU AUG 18 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 900 PM MST FOR
SOUTHERN MOHAVE COUNTY...

AT 804 PM MST...DOPPLER RADAR INDICATED THAT HEAVY RAIN HAD MOVED
AWAY FROM AREAS SOUTH AND EAST OF KINGMAN. HOWEVER, VERY HEAVY RAIN
FELL EARLIER, AND RUNOFF MAY STILL BE OCCURRING.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
KINGMAN...HUALAPAI MOUNTAIN PARK...BLAKE RANCH ROAD...
DW RANCH ROAD...WILD COW CAMPGROUND AND HUALAPAI PEAK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 3527 11382 3508 11367 3492 11397 3513 11415

$$

MORGAN
273 
WGUS75 KVEF 190355
FFSVEF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
855 PM MST THU AUG 18 2016

AZC015-190405-
/O.EXP.KVEF.FF.W.0092.000000T0000Z-160819T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MOHAVE AZ-
855 PM MST THU AUG 18 2016

...THE FLASH FLOOD WARNING FOR SOUTHERN MOHAVE COUNTY WILL EXPIRE AT
900 PM MST...

THE HEAVY RAIN HAS ENDED. FLOODING IS NO LONGER EXPECTED TO POSE A
THREAT. PLEASE CONTINUE TO HEED ANY REMAINING ROAD CLOSURES.

LAT...LON 3527 11382 3508 11367 3492 11397 3513 11415

$$

MORGAN

The office that day

Everything else NWS Las Vegas, NV issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 18, 5:26 PM MSTFlash Flood WarningVEFMohave2 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.