Alert archive / Nevada / Flash Flood Warnings in 2016

Flash Flood Warning 39, NWS Las Vegas, NV

July 30, 2016Lincoln County, Nevada

NWS Las Vegas, NV issued this flash flood warning at Jul 30, 2016, 7:47 PM PDT for Lincoln 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 30, 2016, 7:47 PM PDT (02:47 UTC)
Expired
Jul 30, 2016, 10:45 PM PDT
In force
3 hr
Issued by
NWS Las Vegas, NV
Area
Storm-based polygon
Flood severity
None

County Lincoln County, NV

The radar

The Las Vegas radar (KESX), 147 km from the middle of the area, began a volume at 02:50 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, 2.8 hours before the alert went out and 90 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 2016-07-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1038 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Las Vegas, NV at 00:00Z on 2016-07-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -2 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
1038 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
3396 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
-2 m²/s²
0-3 km storm-relative helicity
19 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

031 
WGUS55 KVEF 310247
FFWVEF
NVC017-310545-
/O.NEW.KVEF.FF.W.0039.160731T0247Z-160731T0545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAS VEGAS NV
747 PM PDT SAT JUL 30 2016

THE NATIONAL WEATHER SERVICE IN LAS VEGAS  HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTH CENTRAL LINCOLN COUNTY IN SOUTH CENTRAL NEVADA...

* UNTIL 1045 PM PDT

* AT 744 PM PDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS HIGHWAY 93 BETWEEN MILE MARKERS 8 AND 16. FLASH
  FLOODING IS EXPECTED TO BEGIN SHORTLY.

* FLASH FLOODING WILL REMAIN OVER MAINLY RURAL AREAS OF SOUTH CENTRAL
  LINCOLN COUNTY BUT WILL INCLUDE HIGHWAY 93 AND KANE SPRINGS ROAD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3709 11482 3691 11483 3691 11509 3710 11510

$$

SC
2 follow-up statements
131 
WGUS75 KVEF 310345
FFSVEF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
845 PM PDT SAT JUL 30 2016

NVC017-310545-
/O.CON.KVEF.FF.W.0039.000000T0000Z-160731T0545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LINCOLN NV-
845 PM PDT SAT JUL 30 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1045 PM PDT FOR
SOUTH CENTRAL LINCOLN COUNTY...

AT 838 PM PDT...DOPPLER RADAR INDICATED THE THUNDERSTORMS THAT WERE
PRODUCING THE HEAVY RAIN HAVE MOVED EAST OF THE WARNED AREA. RADAR
ESTIMATES HAVE BEEN IN EXCESS OF ONE INCH ALONG HIGHWAY 93 BETWEEN
MILE MARKERS 8 AND 16. RUNOFF FROM THE EARLIER HEAVY RAIN IS STILL
LIKELY PRODUCING FLASH FLOODING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3709 11482 3691 11483 3691 11509 3710 11510

$$

SC
160 
WGUS75 KVEF 310538
FFSVEF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
1038 PM PDT SAT JUL 30 2016

NVC017-310545-
/O.EXP.KVEF.FF.W.0039.000000T0000Z-160731T0545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LINCOLN NV-
1038 PM PDT SAT JUL 30 2016

...THE FLASH FLOOD WARNING FOR SOUTH CENTRAL LINCOLN COUNTY WILL
EXPIRE AT 1045 PM PDT...

RUNOFF FROM THE EARLIER HEAVY RAIN ALONG HIGHWAY 93 SHOULD BE
DIMINISHING. FLOODING IS NO LONGER EXPECTED TO POSE A THREAT.
HOWEVER...ADDITIONAL THUNDERSTORMS WILL IMPACT THE AREA
TONIGHT. 

LAT...LON 3709 11482 3691 11483 3691 11509 3710 11510

$$

SC

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 30, 5:29 PM PDTSevere Thunderstorm WarningVEFLincoln31 min
Jul 30, 6:37 PM PDTAreal Flood AdvisoryVEFLincoln3 hr
Jul 30, 6:44 PM PDTSevere Thunderstorm WarningVEFLincoln, Nye46 min
Jul 30, 10:08 PM PDTFlash Flood WarningVEFClark3 hr
Jul 31, 2:39 PM PDTFlash Flood WarningVEFClark3 hr
Jul 31, 3:14 PM PDTSevere Thunderstorm WarningVEFClark61 min

Nearby

Flash Flood Warnings in Nevada, 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.