Alert archive / Arizona / Flash Flood Warnings in 2016

Flash Flood Warning 37, NWS Las Vegas, NV

July 27, 2016Mohave County, Arizona

NWS Las Vegas, NV issued this flash flood warning at Jul 27, 2016, 4:07 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
Jul 27, 2016, 4:07 PM MST (23:07 UTC)
Expired
Jul 27, 2016, 7:00 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), 86 km from the middle of the area, began a volume at 23:07 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 12:00Z, 11.1 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 12:00Z on 2016-07-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 71 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 12:00Z on 2016-07-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 5 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
71 J/kg
Mixed-layer CIN
-284 J/kg
Mixed-layer LCL
3707 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
5 m²/s²
0-3 km storm-relative helicity
75 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted.

475 
WGUS55 KVEF 272307
FFWVEF
AZC015-280200-
/O.NEW.KVEF.FF.W.0037.160727T2307Z-160728T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAS VEGAS NV
407 PM MST WED JUL 27 2016

THE NATIONAL WEATHER SERVICE IN LAS VEGAS  HAS ISSUED A

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

* UNTIL 700 PM MST

* AT 406 PM MST...TRAINED WEATHER SPOTTERS REPORTED THUNDERSTORMS
  PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. FLASH FLOODING IS
  EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  KINGMAN...NEW KINGMAN-BUTLER...CHLORIDE...GOLDEN VALLEY...
  WINDY POINT CAMPGROUND AND PACKSADDLE CAMPGROUND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3557 11398 3529 11365 3496 11427 3530 11441

$$

WOLCOTT
2 follow-up statements
744 
WGUS75 KVEF 272355
FFSVEF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
455 PM MST WED JUL 27 2016

AZC015-280200-
/O.CON.KVEF.FF.W.0037.000000T0000Z-160728T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MOHAVE AZ-
455 PM MST WED JUL 27 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 700 PM MST FOR
WEST CENTRAL MOHAVE COUNTY...

AT 452 PM MST...TRAINED WEATHER SPOTTERS REPORTED THAT THUNDERSTORMS
HAD PRODUCED HEAVY RAIN AND FLOODING NORTH OF KINGMAN. STORMS HAVE
MOVED WEST INTO GOLDEN VALLEY AND CHLORIDE PRODUCING AREAS OF BRIEF
HEAVY RAIN WHICH COULD CAUSE ADDITIONAL FLOODING.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
KINGMAN...NEW KINGMAN-BUTLER...CHLORIDE...GOLDEN VALLEY...WINDY POINT
CAMPGROUND AND PACKSADDLE CAMPGROUND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3557 11398 3529 11365 3496 11427 3530 11441

$$

WOLCOTT
217 
WGUS75 KVEF 280151
FFSVEF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
651 PM MST WED JUL 27 2016

AZC015-280201-
/O.EXP.KVEF.FF.W.0037.000000T0000Z-160728T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MOHAVE AZ-
651 PM MST WED JUL 27 2016

...THE FLASH FLOOD WARNING FOR WEST CENTRAL MOHAVE COUNTY WILL EXPIRE
AT 700 PM MST...

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

LAT...LON 3557 11398 3529 11365 3496 11427 3530 11441

$$

WOLCOTT

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 27, 2:21 AM MSTExcessive Heat WarningVEFMohave66 hr
Jul 27, 2:43 PM MSTAreal Flood AdvisoryVEFMohave3 hr
Jul 27, 3:35 PM MSTSevere Thunderstorm WarningVEFMohave55 min
Jul 27, 3:51 PM MSTDust Storm WarningVEF69 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.