Alert archive / Arizona / Flash Flood Warnings in 2016

Flash Flood Warning 33, NWS Las Vegas, NV

July 2, 2016Mohave County, Arizona

NWS Las Vegas, NV issued this flash flood warning at Jul 2, 2016, 12:33 AM MST for Mohave County, Arizona. It was in force for 5 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: Jul 2, 2016, 12:33 AM MST (07:33 UTC)
Expired: Jul 2, 2016, 5:30 AM MST
In force: 5 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), 149 km from the middle of the area, began a volume at 07:33 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

Time	Report	Where	Remark
Jul 2, 3:30 AM MST	FLASH FLOOD	10 Sse Wikieup, AZ	MOHAVE COUNTY ROAD DEPARTMENT REPORTS SIGNAL ROAD CLOSED BETWEEN US 93 AND ALAMO ROAD. EVENT TIME ESTIMATED. ROAD STILL CLOSED AS OF 8 AM.

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, 7.6 hours before the alert went out and 183 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1569 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: -32 m²/s²
0-3 km storm-relative helicity: 2 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

831 
WGUS55 KVEF 020733
FFWVEF
AZC015-021030-
/O.NEW.KVEF.FF.W.0033.160702T0733Z-160702T1030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAS VEGAS NV
1233 AM MST SAT JUL 2 2016

THE NATIONAL WEATHER SERVICE IN LAS VEGAS  HAS ISSUED A

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

* UNTIL 330 AM MST

* AT 1232 AM MST...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. FLASH FLOODING IS EXPECTED TO
  BEGIN SHORTLY. AN AUTOMATED GUAGE IN WIKIEUP HAS REPORTED NEAR
  EIGHT TENTHS OF AN INCHE IN LESS THAN 30 MINUTES.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  WIKIEUP.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3486 11348 3449 11357 3455 11416 3504 11391

$$

BP

4 follow-up statements

041 
WGUS75 KVEF 020821
FFSVEF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
121 AM MST SAT JUL 2 2016

AZC015-021030-
/O.CON.KVEF.FF.W.0033.000000T0000Z-160702T1030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MOHAVE AZ-
121 AM MST SAT JUL 2 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 330 AM MST FOR
SOUTH CENTRAL MOHAVE COUNTY...

AT 120 AM MST...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN REMAIN ACROSS THE WARNED AREA.  FLASH FLOODING IS
EXPECTED TO BEGIN SHORTLY.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
WIKIEUP.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3486 11348 3449 11357 3455 11416 3504 11391

$$

BP

982 
WGUS55 KVEF 020948
FFWVEF
AZC015-021230-
/O.EXT.KVEF.FF.W.0033.000000T0000Z-160702T1230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAS VEGAS NV
248 AM MST SAT JUL 2 2016

THE NATIONAL WEATHER SERVICE IN LAS VEGAS  HAS EXTENDED THE

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

* UNTIL 530 AM MST

* AT 245 AM MST...DOPPLER RADAR INDICATED THUNDERSTORMS CONTINUE TO
  PRODUCE HEAVY RAIN ACROSS THE SOUTHERN HUALAPAI MOUNTAINS BETWEEN
  WIKIEUP AND YUCCA. FLASH FLOODING IS LIKELY OCCURRING.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  WIKIEUP.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3486 11348 3449 11357 3455 11416 3504 11391

$$

BP

101 
WGUS75 KVEF 021053
FFSVEF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
353 AM MST SAT JUL 2 2016

AZC015-021230-
/O.CON.KVEF.FF.W.0033.000000T0000Z-160702T1230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MOHAVE AZ-
353 AM MST SAT JUL 2 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 530 AM MST FOR
SOUTH CENTRAL MOHAVE COUNTY...

AT 352 AM MST...DOPPLER RADAR INDICATED HEAVY RAIN ACROSS THE WARNED
AREA.  MOHAVE COUNTY FLOOD CONTROL DISTRICT AUTOMATED GAUGES
REPORTED AROUND 2 INCHES OF RAIN IN THE SOUTHERN HUALAPAI
MOUNTAINS NORTHWEST OF WIKIEUP. FLASH FLOODING IS ALREADY OCCURRING.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
WIKIEUP.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3486 11348 3449 11357 3455 11416 3504 11391

$$

BP

218 
WGUS75 KVEF 021224
FFSVEF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
524 AM MST SAT JUL 2 2016

AZC015-021231-
/O.EXP.KVEF.FF.W.0033.000000T0000Z-160702T1230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MOHAVE AZ-
524 AM MST SAT JUL 2 2016

...THE FLASH FLOOD WARNING FOR SOUTH CENTRAL MOHAVE COUNTY WILL
EXPIRE AT 530 AM MST...

RAIN HAS ENDED IN SOUTHERN MOHAVE COUNTY AND FLOODING IS NO LONGER
EXPECTED TO POSE A THREAT. PLEASE CONTINUE TO HEED ANY REMAINING
ROAD CLOSURES.

VERY HEAVY RAIN FELL IN THE MOUNTAINS NORTHWEST OF WIKIEUP. WASHES
FLOW FROM THESE MOUNTAINS TO HIGHWAY 93 NORTH OF WIKIEUP, AND ALSO
TO CHICKEN SPRINGS ROAD. USE EXTRA CAUTION IN THESE AREAS AND BE
ALERT FOR WATER ON THE ROAD.

LAT...LON 3486 11348 3449 11357 3455 11416 3504 11391

$$

MORGAN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 1, 8:50 PM MST	Severe Thunderstorm Warning	VEF	Mohave	55 min
Jul 1, 9:38 PM MST	Severe Thunderstorm Warning	VEF	Mohave	37 min
Jul 1, 10:14 PM MST	Severe Thunderstorm Warning	VEF	Mohave	46 min
Jul 2, 12:19 AM MST	Severe Thunderstorm Warning	VEF	Mohave	27 min
Jul 2, 12:57 AM MST	Areal Flood Advisory	VEF	Mohave	3 hr
Jul 2, 1:26 AM MST	Severe Thunderstorm Warning	VEF	Mohave	49 min
Jul 2, 1:33 AM MST	Flash Flood Warning	VEF	Mohave	3 hr
Jul 2, 1:52 AM MST	Severe Thunderstorm Warning	VEF	Mohave	53 min

Nearby

Flash Flood Warnings in Arizona, 2016 Every 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.