Alert archive / Arizona / Flash Flood Warnings in 2016

Flash Flood Warning 53, NWS Las Vegas, NV

August 2, 2016Mohave County, Arizona

NWS Las Vegas, NV issued this flash flood warning at Aug 2, 2016, 12:50 AM 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 2, 2016, 12:50 AM MST (07:50 UTC)
Expired
Aug 2, 2016, 3:45 AM 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), 112 km from the middle of the area, began a volume at 07:50 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

TimeReportWhereRemark
Aug 2, 1:00 AM MSTFLASH FLOODKingman, AZFLOWING WATER COVERING PORTIONS OF BEALE STREET AND ANDY DEVINE AVENUE AS WELL AS THE NEARBY SIDEWALKS.

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 00:00Z, 7.8 hours before the alert went out and 185 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 2016-08-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2016-08-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -3 square meters per square second.1939Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1704 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
-3 m²/s²
0-3 km storm-relative helicity
29 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

821 
WGUS55 KVEF 020750
FFWVEF
AZC015-021045-
/O.NEW.KVEF.FF.W.0053.160802T0750Z-160802T1045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAS VEGAS NV
1250 AM MST TUE AUG 2 2016

THE NATIONAL WEATHER SERVICE IN LAS VEGAS  HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WEST CENTRAL MOHAVE COUNTY IN NORTHWESTERN ARIZONA...

* UNTIL 345 AM MST

* AT 1246 AM MST...TRAINED WEATHER SPOTTERS REPORTED THUNDERSTORMS
  PRODUCING HEAVY RAIN IN THE BUTLER AREA OF KINGMAN. DOPPLER RADAR
  INDICATED HEAVY RAIN ACROSS A WIDE AREA OF WEST CENTRAL MOHAVE
  COUNTY INCLUDING GOLDEN VALLEY AND POINTS EAST TO THE COUNTY LINE.
  STORMS ARE DISPLAYING LITTLE MOVEMENT. FLASH FLOODING IS EXPECTED
  TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  KINGMAN...NEW KINGMAN-BUTLER...OATMAN...WILD COW CAMPGROUND...
  GOLDEN VALLEY...HUALAPAI MOUNTAIN PARK...BLAKE RANCH ROAD...
  DW RANCH ROAD AND HUALAPAI PEAK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

&&

LAT...LON 3535 11339 3489 11343 3495 11448 3536 11449

$$

JS
2 follow-up statements
516 
WGUS75 KVEF 020919
FFSVEF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
219 AM MST TUE AUG 2 2016

AZC015-021045-
/O.CON.KVEF.FF.W.0053.000000T0000Z-160802T1045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MOHAVE AZ-
219 AM MST TUE AUG 2 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 345 AM MST FOR
WEST CENTRAL MOHAVE COUNTY...

AT 216 AM MST...THUNDERSTORMS HAD MOVED OUT OF THE WARNED AREA WITH
LIGHT TO MODERATE RAIN SHOWERS ONGOING. THE FLASH FLOOD WARNING
REMAINS IN EFFECT DUE TO POSSIBLE ONGOING ISSUES CAUSED BY THE HEAVY
RAIN RECEIVED OVER THE PAST COUPLE OF HOURS. ADDITIONAL FLASH
FLOODING IS NOT EXPECTED AT THIS TIME. 

SOME LOCATIONS IN THE WARNING AREA INCLUDE... KINGMAN...NEW KINGMAN-
BUTLER...OATMAN...WILD COW CAMPGROUND... GOLDEN VALLEY...HUALAPAI
MOUNTAIN PARK...BLAKE RANCH ROAD... DW RANCH ROAD AND HUALAPAI PEAK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

&&

LAT...LON 3535 11339 3489 11343 3495 11448 3536 11449

$$

JS
586 
WGUS75 KVEF 021037
FFSVEF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
337 AM MST TUE AUG 2 2016

AZC015-021047-
/O.EXP.KVEF.FF.W.0053.000000T0000Z-160802T1045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MOHAVE AZ-
337 AM MST TUE AUG 2 2016

...THE FLASH FLOOD WARNING FOR WEST CENTRAL MOHAVE COUNTY WILL EXPIRE
AT 345 AM MST...

THE HEAVY RAIN HAS ENDED IN THE GOLDEN VALLEY AND KINGMAN AREAS.
FLOODING IS NO LONGER EXPECTED TO POSE A THREAT. PLEASE CONTINUE TO
HEED ANY REMAINING ROAD CLOSURES.

LAT...LON 3535 11339 3489 11343 3495 11448 3536 11449

$$

MORGAN

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 1, 7:34 PM MSTAreal Flood AdvisoryVEFMohave4 hr
Aug 1, 11:50 PM MSTAreal Flood AdvisoryVEFMohave3 hr
Aug 2, 2:03 AM MSTAreal Flood WarningVEFMohave24 hr
Aug 2, 2:41 AM MSTFlash Flood WarningVEFMohave3 hr
Aug 2, 3:04 PM MSTFlash Flood WarningVEFMohave3 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.