Alert archive / Nevada / Flash Flood Warnings in 2015

Flash Flood Warning 5, NWS Las Vegas, NV

June 10, 2015Lincoln County, Nevada

NWS Las Vegas, NV issued this flash flood warning at Jun 10, 2015, 5:25 PM PDT for Lincoln County, Nevada. It was in force for 2 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
Jun 10, 2015, 5:25 PM PDT (00:25 UTC)
Expired
Jun 10, 2015, 7:30 PM PDT
In force
2 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), 202 km from the middle of the area, began a volume at 00:26 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, 0.4 hours before the alert went out and 123 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 2015-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 00:00Z on 2015-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 47 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3476 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
47 m²/s²
0-3 km storm-relative helicity
-4 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.

000 
WGUS55 KVEF 110025
FFWVEF
NVC017-110230-
/O.NEW.KVEF.FF.W.0005.150611T0025Z-150611T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAS VEGAS NV
525 PM PDT WED JUN 10 2015

THE NATIONAL WEATHER SERVICE IN LAS VEGAS  HAS ISSUED A

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

* UNTIL 730 PM PDT
    
* AT 524 PM PDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING 
  HEAVY RAIN OVER HIGHWAY 375 BETWEEN HIKO AND RACHEL. THE STORM IS 
  NEARLY STATIONARY. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.

* FLASH FLOODING WILL REMAIN OVER MAINLY RURAL AREAS OF SOUTHWESTERN
  LINCOLN COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FLASH FLOODING IS EXPECTED IN WASHES...LOW WATER CROSSINGS AND ON
ROADS. TO ESCAPE RISING WATER...MOVE TO HIGHER GROUND. 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 3754 11534 3740 11530 3737 11546 3752 11551

$$

MORGAN
2 follow-up statements
314 
WGUS75 KVEF 110127
FFSVEF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
627 PM PDT WED JUN 10 2015

NVC017-110230-
/O.CON.KVEF.FF.W.0005.000000T0000Z-150611T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LINCOLN NV-
627 PM PDT WED JUN 10 2015

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 730 PM PDT FOR
SOUTHWESTERN LINCOLN COUNTY...

AT 626 PM PDT...DOPPLER RADAR INDICATED THAT HEAVY RAIN HAD ENDED 
ACROSS THE WARNED AREA. HOWEVER...VERY HEAVY RAIN FELL IN THE 
MOUNTAINS ABOVE HIGHWAY 375...AND THIS WATER COULD STILL BE FLOWING 
DOWN TOWARD THE HIGHWAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FLASH FLOODING IS EXPECTED IN WASHES...LOW WATER CROSSINGS AND ON
ROADS. TO ESCAPE RISING WATER...MOVE TO HIGHER GROUND. 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.

TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 3754 11534 3740 11530 3737 11546 3752 11551

$$

MORGAN
824 
WGUS75 KVEF 110221
FFSVEF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
721 PM PDT WED JUN 10 2015

NVC017-110230-
/O.EXP.KVEF.FF.W.0005.000000T0000Z-150611T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LINCOLN NV-
721 PM PDT WED JUN 10 2015

...THE FLASH FLOOD WARNING FOR SOUTHWESTERN LINCOLN COUNTY WILL
EXPIRE AT 730 PM PDT...

AT 719 PM PDT...RADAR INDICATED THAT RAIN HAD ENDED OVER HIGHWAY 375 
BETWEEN HIKO AND RACHEL. FLOODING IS NO LONGER EXPECTED TO POSE A 
THREAT...SO THE FLASH FLOOD WARNING WILL BE ALLOWED TO EXPIRE.

DRIVERS IN THE AREA SHOULD REMAIN ALERT FOR WATER ON THE ROAD.

LAT...LON 3754 11534 3740 11530 3737 11546 3752 11551

$$

MORGAN

Nearby

Flash Flood Warnings in Nevada, 2015Every flash flood warning in 2015

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.