Alert archive / Arizona / Flash Flood Warnings in 2016

Flash Flood Warning 98, NWS Las Vegas, NV

August 22, 2016Mohave County, Arizona

NWS Las Vegas, NV issued this flash flood warning at Aug 22, 2016, 5:03 PM MST for Mohave County, Arizona. It was in force for 6 hr. 3 reports 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 22, 2016, 5:03 PM MST (00:03 UTC)
Expired
Aug 22, 2016, 11:00 PM MST
In force
6 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), 86 km from the middle of the area, began a volume at 00:05 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 22, 7:06 PM MSTFLASH FLOOD6 N Hualapai Peak, AZMOHAVE COUNTY ROADS REPORTED DW RANCH ROAD CLOSED FROM I-40 TO HAULAPAI RD.
Aug 22, 8:29 PM MSTFLASH FLOOD1 Sse New Kingman-Butle, AZFLASH FLOODING OF ROADS AND WASHES KINGMAN-NEW BUTLER AREA. IN EXCESS OF 8 INCHES IRVING RD BETWEEN GORDON AND KINO.
Aug 22, 8:34 PM MSTFLASH FLOOD8 N Hualapai Peak, AZMOHAVE COUNTY ROADS REPORTED DW RANCH RD CLOSED FROM I-40 TO MILE POST 2.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Las Vegas, NV (KVEF), launched 00:00Z, 0.1 hours before the alert went out and 176 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, Las Vegas, NV at 00:00Z on 2016-08-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 472 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Las Vegas, NV at 00:00Z on 2016-08-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 17 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
472 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
3384 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
17 m²/s²
0-3 km storm-relative helicity
99 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

068 
WGUS55 KVEF 230003
FFWVEF
AZC015-230300-
/O.NEW.KVEF.FF.W.0098.160823T0003Z-160823T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAS VEGAS NV
503 PM MST MON AUG 22 2016

THE NATIONAL WEATHER SERVICE IN LAS VEGAS  HAS ISSUED A

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

* UNTIL 800 PM MST

* AT 502 PM MST...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  VERY HEAVY RAIN IN GOLDEN VALLEY AND KINGMAN AREAS. FLASH FLOODING
  IS EXPECTED TO BEGIN SHORTLY.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNED AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY.

&&

LAT...LON 3566 11405 3520 11356 3490 11410 3543 11443

$$

JS
3 follow-up statements
158 
WGUS55 KVEF 230217
FFWVEF
AZC015-230600-
/O.EXT.KVEF.FF.W.0098.000000T0000Z-160823T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAS VEGAS NV
717 PM MST MON AUG 22 2016

THE NATIONAL WEATHER SERVICE IN LAS VEGAS  HAS EXTENDED THE

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

* UNTIL 1100 PM MST

* AT 715 PM MST...DOPPLER RADAR INDICATED THUNDERSTORMS CONTINUING
  TO PRODUCE HEAVY RAIN IN THE GOLDEN VALLEY AND KINGMAN AREA. FLASH
  FLOODING IS ALREADY OCCURRING. THIS WARNING HAS BEEN EXTENDED
  THROUGH 11 PM.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNED AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY.

&&

LAT...LON 3566 11405 3520 11356 3490 11410 3543 11443

$$

JS
383 
WGUS75 KVEF 230354
FFSVEF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
854 PM MST MON AUG 22 2016

AZC015-230600-
/O.CON.KVEF.FF.W.0098.000000T0000Z-160823T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MOHAVE AZ-
854 PM MST MON AUG 22 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1100 PM MST FOR
WEST CENTRAL MOHAVE COUNTY...

AT 851 PM MST...DOPPLER RADAR INDICATED MODERATE RAIN CONTINUING IN
THE GOLDEN VALLEY...KINGMAN AREAS. SPOTTERS ARE REPORTING ONGOING
FLASH FLOODING IN THESE AREAS. 

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNED AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY.

&&

LAT...LON 3566 11405 3520 11356 3490 11410 3543 11443

$$

JS
405 
WGUS75 KVEF 230601
FFSVEF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
1101 PM MST MON AUG 22 2016

AZC015-230610-
/O.EXP.KVEF.FF.W.0098.000000T0000Z-160823T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MOHAVE AZ-
1101 PM MST MON AUG 22 2016

...THE FLASH FLOOD WARNING FOR WEST CENTRAL MOHAVE COUNTY HAS
EXPIRED...

FLASH FLOODING IS NO LONGER EXPECTED. HOWEVER...MINOR FLOODING IS
EXPECTED TO CONTINUE THROUGH THE EARLY MORNING HOURS. AN AREAL FLOOD
ADVISORY HAS BEEN ISSUED FOR AREAS NORTH OF KINGMAN.

LAT...LON 3566 11405 3520 11356 3490 11410 3543 11443

$$

CMS

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 22, 8:19 PM MSTSevere Thunderstorm WarningVEFMohave41 min
Aug 22, 8:22 PM MSTFlash Flood WarningVEFMohave3 hr
Aug 22, 8:31 PM MSTFlash Flood WarningVEFMohave3 hr
Aug 22, 8:46 PM MSTFlash Flood WarningVEFMohave3 hr
Aug 22, 8:54 PM MSTSevere Thunderstorm WarningVEFMohave51 min
Aug 22, 9:42 PM MSTSevere Thunderstorm WarningVEFMohave33 min
Aug 22, 9:58 PM MSTFlash Flood WarningVEFMohave3 hr
Aug 22, 10:58 PM MSTAreal Flood AdvisoryVEFMohave3 hr
Aug 22, 11:00 PM MSTAreal Flood WarningVEFMohave24 hr
Aug 22, 11:16 PM MSTAreal Flood AdvisoryVEFMohave119 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.