Alert archive / Arizona / Flash Flood Warnings in 2014

Flash Flood Warning 35, NWS Las Vegas, NV

July 25, 2014Mohave County, Arizona

NWS Las Vegas, NV issued this flash flood warning at Jul 25, 2014, 10:10 PM MST for Mohave County, Arizona. It was in force for 2 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
Jul 25, 2014, 10:10 PM MST (05:10 UTC)
Expired
Jul 26, 2014, 12:15 AM MST
In force
2 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), 96 km from the middle of the area, began a volume at 05:10 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
Jul 25, 10:50 PM MSTFLASH FLOOD1 S Kingman, AZFLASH FLOODING REPORTED DOWNTOWN NEAR THE RAILROAD STATION. STREETS AND CURBSIDES HAVE OVER 6 INCHES OF FLOWING WATER. STORM ACCOMPANIED BY HAIL TO PEA SIZE AND GUSTY WINDS ESTIMATED NEAR 40 MPH.
Jul 25, 11:20 PM MSTFLASH FLOOD1 E Kingman, AZROCKFALL ON ANDY DEVINE ROAD NEAR CHADWICK DRIVE. ROAD CREWS CLEANING UP DEBRIS.
Jul 25, 11:20 PM MSTFLASH FLOOD1 S Kingman, AZROCKFALL ON ANDY DEVINE ROAD NEAR CHADWICK DRIVE. ROAD CREWS CLEANING UP DEBRIS.

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, 5.2 hours before the alert went out and 201 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 2014-07-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 121 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 2014-07-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -8 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
121 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
2434 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
-8 m²/s²
0-3 km storm-relative helicity
63 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

093 
WGUS55 KVEF 260510
FFWVEF
AZC015-260715-
/O.NEW.KVEF.FF.W.0035.140726T0510Z-140726T0715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAS VEGAS NV
1010 PM MST FRI JUL 25 2014

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CENTRAL MOHAVE COUNTY IN NORTHWEST ARIZONA...

* UNTIL 1215 AM MST

* AT 1006 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAIN FROM A THUNDERSTORM NEAR KINGMAN...MOVING NORTHEAST
  AT 10 MPH.

* LOCATIONS IMPACTED INCLUDE...
  KINGMAN
  NEW KINGMAN-BUTLER.

THIS INCLUDES INTERSTATE 40 BETWEEN MILE MARKERS 40 AND 64.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FLASH FLOODING IS EXPECTED ON ROADS...IN NORMALLY DRY WASHES AND LOW
LYING AREAS. NEVER TRY TO CROSS A FLOODED ROAD OR ENTER A FLOOD
CHANNEL. TURN AROUND...DONT DROWN!

REPORT FLOODING TO THE LAS VEGAS NATIONAL WEATHER SERVICE VIA
FACEBOOK OR TWITTER.

&&

LAT...LON 3532 11404 3532 11383 3519 11383 3520 11402
      3506 11411 3510 11419

$$

JA
2 follow-up statements
386 
WGUS75 KVEF 260617
FFSVEF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
1117 PM MST FRI JUL 25 2014

AZC015-260715-
/O.CON.KVEF.FF.W.0035.000000T0000Z-140726T0715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MOHAVE AZ-
1117 PM MST FRI JUL 25 2014

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1215 AM MST FOR
CENTRAL MOHAVE COUNTY...

TRAINED WEATHER SPOTTERS REPORTED A THUNDERSTORM PRODUCING FLASH 
FLOODING IN KINGMAN. THIS STORM WAS MOVING NORTHEAST AT 10 MPH 
AND AUTOMATED GAGES INDICATED IT HAS PRODUCED BETWEEN A HALF-INCH 
AND THREE-QUARTERS OF AN INCH OF RAINFALL OVER KINGMAN AND THE
HAULAPAI FOOTHILLS. OVER ONE INCH OF RAIN IS EXPECTED ACROSS CENTRAL 
AND EASTERN PARTS OF KINGMAN BEFORE THE STORM DISSIPATES.

LOCATIONS IMPACTED INCLUDE...
KINGMAN AND NEW KINGMAN-BUTLER

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FLASH FLOODING IS EXPECTED ON ROADS...IN NORMALLY DRY WASHES AND LOW
LYING AREAS. NEVER TRY TO CROSS A FLOODED ROAD OR ENTER A FLOOD 
CHANNEL. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS MORE DIFFICULT 
TO DETECT FLOODED ROADS. TURN AROUND...DONT DROWN!

REPORT FLOODING TO THE LAS VEGAS NATIONAL WEATHER SERVICE VIA
FACEBOOK OR TWITTER.

&&

LAT...LON 3532 11404 3532 11383 3519 11383 3520 11402
      3506 11411 3510 11419

$$

JA
512 
WGUS75 KVEF 260714
FFSVEF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
1214 AM MST SAT JUL 26 2014

AZC015-260721-
/O.EXP.KVEF.FF.W.0035.000000T0000Z-140726T0715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MOHAVE AZ-
1214 AM MST SAT JUL 26 2014

...THE FLASH FLOOD WARNING WILL EXPIRE AT 1215 AM MST FOR CENTRAL
MOHAVE COUNTY...

HEAVY RAINFALL ENDED OVER KINGMAN BEFORE 1130 PM AND WEATHER 
SPOTTERS REPORTED FLOODING WAS SUBSIDING ON THE FEW ROADWAYS THAT 
WERE IMPACTED. THE FLASH FLOOD WARNING WILL BE ALLOWED TO EXPIRE ON 
SCHEDULE.

LAT...LON 3532 11404 3532 11383 3519 11383 3520 11402
      3506 11411 3510 11419

$$

JA

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 25, 7:11 PM MSTAreal Flood AdvisoryVEFMohave109 min
Jul 25, 9:04 PM MSTFlash Flood WarningVEFMohave3 hr
Jul 26, 2:17 PM MSTFlash Flood WarningVEFMohave3 hr
Jul 26, 3:31 PM MSTAreal Flood AdvisoryVEFMohave3 hr

Nearby

Flash Flood Warnings in Arizona, 2014Every flash flood warning in 2014

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.