Alert archive / Nevada / Flash Flood Warnings in 2016

Flash Flood Warning 32, NWS Las Vegas, NV

July 1, 2016Clark County, Nye County, Nevada

NWS Las Vegas, NV issued this flash flood warning at Jul 1, 2016, 11:45 PM PDT for Clark County, Nye County, Nevada. 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 1, 2016, 11:45 PM PDT (06:45 UTC)
Expired: Jul 2, 2016, 2:45 AM PDT
In force: 3 hr
Issued by: NWS Las Vegas, NV
Area: Storm-based polygon
Flood severity: None

Counties Clark County, NV, Nye County, NV

The radar

The Las Vegas radar (KESX), 92 km from the middle of the area, began a volume at 06:45 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 00:00Z, 6.8 hours before the alert went out and 27 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: 998 J/kg
Mixed-layer CIN: -80 J/kg
Mixed-layer LCL: 2623 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: -18 m²/s²
0-3 km storm-relative helicity: 132 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

074 
WGUS55 KVEF 020645
FFWVEF
NVC003-023-020945-
/O.NEW.KVEF.FF.W.0032.160702T0645Z-160702T0945Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAS VEGAS NV
1145 PM PDT FRI JUL 1 2016

THE NATIONAL WEATHER SERVICE IN LAS VEGAS  HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WEST CENTRAL CLARK COUNTY IN SOUTHERN NEVADA...
  SOUTHEASTERN NYE COUNTY IN SOUTH CENTRAL NEVADA...

* UNTIL 245 AM PDT

* AT 1144 PM PDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. FLASH FLOODING IS EXPECTED TO
  BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  PAHRUMP...RAINBOW CANYON...MT. CHARLESTON...BLUE DIAMOND...
  RED ROCK CANYON...SPRING MOUNTAINS...MOUNTAINS EDGE...ENTERPRISE...
  MCWILLIAMS CAMPGROUND...MARY JANE FALLS CAMPGROUND...
  WILLOW CREEK CAMPGROUND...KYLE CANYON CAMPGROUND...
  RED ROCK CANYON CAMPGROUND...LOVELL CANYON CAMPGROUND...
  HILLTOP CAMPGROUND...MOUNTAIN SPRINGS...SPRING MOUNTAIN RANCH...
  MAHOGANY GROVE CAMPGROUND...
  ROCKY GAP CAMPGROUND AND FLETCHER VIEW CAMPGROUND.

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 3651 11565 3598 11528 3585 11568 3596 11583
      3632 11625

$$

JH

2 follow-up statements

831 
WGUS75 KVEF 020751
FFSVEF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
1251 AM PDT SAT JUL 2 2016

NVC003-023-020945-
/O.CON.KVEF.FF.W.0032.000000T0000Z-160702T0945Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CLARK NV-NYE NV-
1251 AM PDT SAT JUL 2 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 245 AM PDT FOR
WEST CENTRAL CLARK AND SOUTHEASTERN NYE COUNTIES...

AT 1249 AM PDT...DOPPLER RADAR INDICATED RAINFALL HAD MOVED EAST OF
THE WARNED AREA ALONG THE SPRING MOUNTAINS. A FLASH FLOODING THREAT
CONTINUES HOWEVER DUE TO RUNOFF FROM THE HEAVY RAIN EARLIER.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
PAHRUMP...RAINBOW CANYON...MT. CHARLESTON...BLUE DIAMOND...
RED ROCK CANYON...SPRING MOUNTAINS...MOUNTAINS EDGE...ENTERPRISE...
MCWILLIAMS CAMPGROUND...MARY JANE FALLS CAMPGROUND...
WILLOW CREEK CAMPGROUND...KYLE CANYON CAMPGROUND...
RED ROCK CANYON CAMPGROUND...LOVELL CANYON CAMPGROUND...
HILLTOP CAMPGROUND...MOUNTAIN SPRINGS...SPRING MOUNTAIN RANCH...
MAHOGANY GROVE CAMPGROUND...
ROCKY GAP CAMPGROUND AND FLETCHER VIEW CAMPGROUND.

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 3651 11565 3598 11528 3585 11568 3596 11583
      3632 11625

$$

JH

814 
WGUS75 KVEF 020853
FFSVEF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
153 AM PDT SAT JUL 2 2016

NVC003-023-020902-
/O.CAN.KVEF.FF.W.0032.000000T0000Z-160702T0945Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CLARK NV-NYE NV-
153 AM PDT SAT JUL 2 2016

...THE FLASH FLOOD WARNING FOR WEST CENTRAL CLARK AND SOUTHEASTERN
NYE COUNTIES IS CANCELLED...

RAIN HAS ENDED IN THE PAHRUMP AND SPRING MOUNTAINS AREAS. FLOODING
IS NO LONGER EXPECTED TO POSE A THREAT. PLEASE CONTINUE TO HEED ANY
REMAINING ROAD CLOSURES.

LAT...LON 3651 11565 3598 11528 3585 11568 3596 11583
      3632 11625

$$

MORGAN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 1, 6:20 PM PDT	Flash Flood Warning	VEF	Lincoln	6 hr
Jul 1, 7:52 PM PDT	Flash Flood Warning	VEF	Lincoln	3 hr
Jul 1, 8:27 PM PDT	Severe Thunderstorm Warning	VEF	Clark	63 min
Jul 1, 8:50 PM PDT	Severe Thunderstorm Warning	VEF	Clark	55 min
Jul 1, 9:18 PM PDT	Severe Thunderstorm Warning	VEF	Clark, Nye	57 min
Jul 1, 9:22 PM PDT	Areal Flood Advisory	VEF	Clark	3 hr
Jul 1, 9:38 PM PDT	Severe Thunderstorm Warning	VEF	Clark	37 min
Jul 1, 10:14 PM PDT	Severe Thunderstorm Warning	VEF	Clark	46 min
Jul 1, 10:20 PM PDT	Severe Thunderstorm Warning	VEF	Clark	40 min
Jul 1, 10:20 PM PDT	Severe Thunderstorm Warning	VEF	Nye	25 min
Jul 1, 10:45 PM PDT	Severe Thunderstorm Warning	VEF	Clark, Nye	30 min
Jul 1, 11:15 PM PDT	Severe Thunderstorm Warning	VEF	Clark	60 min
Jul 1, 11:28 PM PDT	Areal Flood Advisory	VEF	Clark	3 hr
Jul 2, 12:13 AM PDT	Areal Flood Advisory	VEF	Clark	2 hr
Jul 2, 12:57 AM PDT	Areal Flood Advisory	VEF	Clark	3 hr
Jul 2, 1:26 AM PDT	Severe Thunderstorm Warning	VEF	Clark	49 min
Jul 2, 3:45 PM PDT	Severe Thunderstorm Warning	VEF	Clark	60 min
Jul 2, 3:56 PM PDT	Areal Flood Advisory	VEF	Clark	3 hr

Nearby

Flash Flood Warnings in Nevada, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.