Alert archive / Nevada / Flash Flood Warnings in 2018

Flash Flood Warning 13, NWS Elko, NV

July 11, 2018White Pine County, Nevada

NWS Elko, NV issued this flash flood warning at Jul 11, 2018, 1:44 PM PDT for White Pine 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 11, 2018, 1:44 PM PDT (20:44 UTC)
Expired: Jul 11, 2018, 4:45 PM PDT
In force: 3 hr
Issued by: NWS Elko, NV
Area: Storm-based polygon
Flood severity: None

County White Pine County, NV

The radar

The Cedar City radar (KICX), 182 km from the middle of the area, began a volume at 20:46 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

Elko, NV (KLKN), launched 12:00Z, 8.7 hours before the alert went out and 231 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: 2413 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: 27 m²/s²
0-3 km storm-relative helicity: 46 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

540 
WGUS55 KLKN 112044
FFWLKN
NVC033-112345-
/O.NEW.KLKN.FF.W.0013.180711T2044Z-180711T2345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Elko NV
144 PM PDT WED JUL 11 2018

The National Weather Service in Elko Nevada has issued a

* Flash Flood Warning for...
  Southeastern White Pine County in northeastern Nevada...

* Until 445 PM PDT.

* At 144 PM PDT Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Flash flooding is expected to 
  begin shortly.

* Flash flooding will remain over mainly rural areas of southeastern
  White Pine County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

&&

LAT...LON 3886 11417 3869 11418 3870 11444 3886 11444

$$

SH

2 follow-up statements

493 
WGUS75 KLKN 112155 RRA
FFSLKN

Flash Flood Statement
National Weather Service Elko NV
255 PM PDT WED JUL 11 2018

NVC033-112345-
/O.CON.KLKN.FF.W.0013.000000T0000Z-180711T2345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
White Pine NV-
255 PM PDT WED JUL 11 2018

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 445 PM PDT FOR
SOUTHEASTERN WHITE PINE COUNTY...

At 255 PM PDT, Doppler radar indicated thunderstorms producing heavy
rain across the warned area.  Flash flooding is expected to begin
shortly.

Flash flooding will remain over mainly rural areas of southeastern
White Pine County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

&&

LAT...LON 3886 11417 3869 11418 3870 11444 3886 11444

$$

SH

464 
WGUS75 KLKN 112339
FFSLKN

Flash Flood Statement
National Weather Service Elko NV
439 PM PDT WED JUL 11 2018

NVC033-112349-
/O.EXP.KLKN.FF.W.0013.000000T0000Z-180711T2345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
White Pine NV-
439 PM PDT WED JUL 11 2018

...THE FLASH FLOOD WARNING FOR SOUTHEASTERN WHITE PINE COUNTY WILL
EXPIRE AT 445 PM PDT...

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

LAT...LON 3886 11417 3869 11418 3870 11444 3886 11444

$$

99

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 10, 6:04 PM PDT	Special Weather Statement	LKN		26 min
Jul 10, 6:40 PM PDT	Special Weather Statement	LKN		50 min
Jul 10, 7:59 PM PDT	Flash Flood Warning	LKN	Nye	3 hr
Jul 10, 8:45 PM PDT	Flash Flood Watch	LKN	Elko, Nye, White Pine	26 hr
Jul 11, 1:10 PM PDT	Flash Flood Warning	LKN	White Pine	3 hr
Jul 11, 1:40 PM PDT	Flash Flood Watch	LKN	Nye, White Pine	32 hr
Jul 11, 1:55 PM PDT	Areal Flood Advisory	LKN	Eureka, Lander, Nye, White Pine	3 hr
Jul 11, 1:58 PM PDT	Special Weather Statement	LKN		47 min
Jul 11, 2:30 PM PDT	Special Weather Statement	LKN		45 min
Jul 11, 2:40 PM PDT	Special Weather Statement	LKN		50 min
Jul 11, 2:48 PM PDT	Special Weather Statement	LKN		42 min
Jul 11, 2:52 PM PDT	Flash Flood Warning	LKN	White Pine	3 hr
Jul 11, 3:40 PM PDT	Areal Flood Advisory	LKN	White Pine	3 hr
Jul 11, 3:49 PM PDT	Areal Flood Advisory	LKN	Nye, White Pine	3 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; radar from the NEXRAD Level II archive.