Alert archive / Nevada / Flash Flood Warnings in 2018

Flash Flood Warning 9, NWS Las Vegas, NV

July 10, 2018Esmeralda County, Nevada

NWS Las Vegas, NV issued this flash flood warning at Jul 10, 2018, 9:10 PM PDT for Esmeralda 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: Jul 10, 2018, 9:10 PM PDT (04:10 UTC)
Expired: Jul 10, 2018, 11:15 PM PDT
In force: 2 hr
Issued by: NWS Las Vegas, NV
Area: Storm-based polygon
Flood severity: None

County Esmeralda County, NV

The nearest sounding before it

Reno, NV (KREV), launched 00:00Z, 4.2 hours before the alert went out and 202 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: 3395 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: -1 m²/s²
0-3 km storm-relative helicity: 82 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

136 
WGUS55 KVEF 110410
FFWVEF
NVC009-110615-
/O.NEW.KVEF.FF.W.0009.180711T0410Z-180711T0615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Las Vegas NV
910 PM PDT TUE JUL 10 2018

The National Weather Service in Las Vegas has issued a

* Flash Flood Warning for...
  Esmeralda County in south central Nevada...

* Until 1115 PM PDT.

* At 909 PM PDT, Doppler radar indicated thunderstorms producing 
  heavy rain across a large part of Esmeralda County. Flash flooding 
  is expected to begin shortly.

* Some locations that will experience flooding include...
  Dyer, Coaldale, Lida, Lida Junction, Silver Peak, Goldfield, Fish
  Lake Valley Campground and Junction CA 266 And NV 264.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, country roads, farmland, and other low lying
spots.

&&

LAT...LON 3800 11717 3740 11717 3735 11768 3783 11833
      3842 11763

$$

Morgan

2 follow-up statements

774 
WGUS75 KVEF 110509
FFSVEF

Flash Flood Statement
National Weather Service Las Vegas NV
1009 PM PDT TUE JUL 10 2018

NVC009-110615-
/O.CON.KVEF.FF.W.0009.000000T0000Z-180711T0615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Esmeralda NV-
1009 PM PDT TUE JUL 10 2018

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1115 PM PDT FOR
ESMERALDA COUNTY...

At 1008 PM PDT, Doppler radar indicated that rain was tapering off 
in Esmeralda County. However, runoff from earlier heavy rain may 
still be flooding secondary roads.

Some locations that will experience flooding include...
Dyer, Coaldale, Lida, Lida Junction, Silver Peak, Goldfield, Fish
Lake Valley Campground and Junction CA 266 And NV 264.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, country roads, farmland, and other low lying
spots.

&&

LAT...LON 3800 11717 3740 11717 3735 11768 3783 11833
      3842 11763

$$

Morgan

468 
WGUS75 KVEF 110605
FFSVEF

Flash Flood Statement
National Weather Service Las Vegas NV
1105 PM PDT TUE JUL 10 2018

NVC009-110615-
/O.EXP.KVEF.FF.W.0009.000000T0000Z-180711T0615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Esmeralda NV-
1105 PM PDT TUE JUL 10 2018

...THE FLASH FLOOD WARNING FOR ESMERALDA COUNTY WILL EXPIRE AT 1115
PM PDT...

The heavy rain has ended over Esmeralda County. Flooding is no 
longer expected to pose a threat. Please continue to heed any 
remaining road closures.

LAT...LON 3800 11717 3740 11717 3735 11768 3783 11833
      3842 11763

$$

Morgan

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 10, 8:03 PM PDT	Flash Flood Warning	VEF	Esmeralda, Nye	68 min
Jul 11, 10:58 AM PDT	Areal Flood Advisory	VEF	Clark, Nye	3 hr
Jul 11, 11:45 AM PDT	Flash Flood Watch	VEF	Clark, Nye	10 hr

Nearby

Flash Flood Warnings in Nevada, 2018 Every flash flood warning in 2018

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.