Alert archive / Nevada / Flash Flood Warnings in 2001

Flash Flood Warning 7, NWS Elko, NV

August 20, 2001White Pine County, Nevada

NWS Elko, NV issued this flash flood warning at Aug 20, 2001, 7:46 PM PDT for White Pine County, Nevada. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued
Aug 20, 2001, 7:46 PM PDT (02:46 UTC)
Expired
Aug 20, 2001, 11:45 PM PDT
In force
4 hr
Issued by
NWS Elko, NV
Area
Whole counties; the outline is the Mesonet’s reconstruction

County White Pine County, NV

The nearest sounding before it

Elko, NV (KLKN), launched 00:00Z, 2.8 hours before the alert went out and 104 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, Elko, NV at 00:00Z on 2001-08-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 157 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Elko, NV at 00:00Z on 2001-08-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -6 square meters per square second.19395878Sfc1 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
157 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
3638 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
-6 m²/s²
0-3 km storm-relative helicity
77 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS55 KLKN 210250
FFWEKO
NVC033-210645-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ELKO NV
746 PM PDT MON AUG 20 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHEASTERN WHITE PINE COUNTY IN NEVADA
  THIS INCLUDES THE CITIES OF...CHERRY CREEK...LAGES JUNCTION...
  SCHELLBOURNE

* UNTIL 1145 PM PDT

* AT 742 PM PDT...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY
  RAIN 8 MILES SOUTHWEST OF LAGES JUNCTION...MOVING EAST AT 20 MPH.

* RADAR ESTIMATES THAT THUNDERSTORMS TRACKING ACROSS HIGHWAY 93 HAVE 
  DROPPED OVER 3.5 INCHES DURING THE LAST FEW HOURS.  PERSONS          
  TRAVELING ALONG HIGHWAY 93 BETWEEN LAGES JUNCTION AND ELY SHOULD   
  USE CAUTION WHILE TRAVELING AT NIGHT.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. 
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. 
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE 
PRECAUTIONS TO PROTECT LIFE AND PROPERTY.

DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN 
DEPTH BY FOOT OR BY AUTOMOBILE. IF YOUR VEHICLE STALLS, ABANDON IT 
IMMEDIATELY AND SEEK HIGHER GROUND.

TO REPORT SEVERE WEATHER HAVE THE NEAREST LAW ENFORCEMENT AGENCY
RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE.

LAT...LON 4011 11489 3978 11490 3978 11405 4010 11407

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 20, 5:16 PM PDTSevere Thunderstorm WarningLKNWhite Pine44 min

Nearby

Flash Flood Warnings in Nevada, 2001Every flash flood warning in 2001

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.