Alert archive / Nevada / Flash Flood Warnings in 1998

Flash Flood Warning 2, NWS Elko, NV

July 23, 1998Eureka County, White Pine County, Nevada

NWS Elko, NV issued this flash flood warning at Jul 23, 1998, 3:46 PM PDT for Eureka County, White Pine County, Nevada. It was in force for 64 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 23, 1998, 3:46 PM PDT (22:46 UTC)
Expired
Jul 23, 1998, 4:50 PM PDT
In force
64 min
Issued by
NWS Elko, NV
Area
Whole counties

Counties Eureka County, NV, White Pine County, NV

The nearest sounding before it

Elko, NV (KLKN), launched 12:00Z, 10.8 hours before the alert went out and 174 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 12:00Z on 1998-07-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 15 joules per kilogram.LCLLFCEL10008507005003002001001 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, Elko, NV at 12:00Z on 1998-07-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 square meters per square second.193958Sfc1 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
15 J/kg
Mixed-layer CIN
-221 J/kg
Mixed-layer LCL
1996 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
10 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 
TTAA00 KEKO 232248 COR
FFWEKO
NVC011-033-232350-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING...CORRECTED
NATIONAL WEATHER SERVICE ELKO NV
346 PM PDT THU JUL 23 1998

THE NATIONAL WEATHER SERVICE IN ELKO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHWESTERN WHITE PINE COUNTY IN EAST CENTRAL NEVADA
  SOUTHERN EUREKA COUNTY IN CENTRAL NEVADA
  
* UNTIL 450 PM PDT

* AT 330 PM... NATIONAL WEATHER SERVICE DOPPLER RADAR AND
SPOTTERED REPORTED STRONG THUNDERSTORMS PRODUCING HEAVY
RAIN OVER SOUTHERN EUREKA AND WHITE PINE COUNTY.  THE STORMS WERE
MOVING SLOWLY NORTH.

* HIGHWAY 278 AT MILE MARKER 27 WAS UNDER WATER NORTH OF EUREKA.
STATE ROUTE 378...THE ROAD TO DUCKWATER WAS WASHED OUT ABUOT 3
MILES FR2OM THE PAVEMENT END.

DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD!

MML


&

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Elko, NV wrote its last area forecast discussion before this flash flood warning went out at Jul 23, 9:30 AM PDT, 6 hours 16 minutes earlier.

Area forecast discussion, Jul 23, 9:30 AM PDT, 6 hours 16 minutes before
NVZ006>012-232230-

REGIONAL WEATHER SYNOPSIS
NATIONAL WEATHER SERVICE ELKO NV
930 AM PDT THU JUL 23 1998

MONSOONAL MOISTURE WILL CONTINUE TO SPREAD OVER THE NORTHERN GREAT
BASIN FOR THE NEXT SEVERAL DAYS. SHOWERS AND THUNDERSTORMS WILL BE
SCATTERED ACROSS THE REGION EACH AFTERNOON AND EVENING. TEMPERATURES
WILL BE NEAR NORMAL THROUGH THE END OF THE WEEK. THIS WEATHER PATTERN
IS EXPECTED TO PERSIST INTO THE FIRST OF NEXT WEEK.

SL

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 23, 3:38 PM PDTFlash Flood WarningLKNEureka67 min

Nearby

Flash Flood Warnings in Nevada, 1998Every flash flood warning in 1998

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.