Alert archive / Nevada / Flash Flood Warnings in 1998

Flash Flood Warning 3, NWS Elko, NV

September 10, 1998Elko County, Nevada

NWS Elko, NV issued this flash flood warning at Sep 10, 1998, 9:43 PM PDT for Elko 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 counties it named.

The facts

Issued
Sep 10, 1998, 9:43 PM PDT (04:43 UTC)
Expired
Sep 11, 1998, 12:40 AM PDT
In force
3 hr
Issued by
NWS Elko, NV
Area
Whole counties

County Elko County, NV

The nearest sounding before it

Elko, NV (KLKN), launched 00:00Z, 4.7 hours before the alert went out and 102 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 1998-09-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 31 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 00:00Z on 1998-09-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -65 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
31 J/kg
Mixed-layer CIN
-57 J/kg
Mixed-layer LCL
1466 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
-65 m²/s²
0-3 km storm-relative helicity
32 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 
TTAA00 KEKO 110443
FFWEKO
NVC007-110740-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ELKO NV
943 PM PDT THU SEP 10 1998

THE NATIONAL WEATHER SERVICE IN ELKO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EAST CENTRAL ELKO COUNTY IN NORTHEASTERN NEVADA

* UNTIL 1240 AM PDT

* AT 920 PM PDT... SPOTTERS INDICATED A THUNDERSTORM WITH VERY HEAVY
  RAIN OVER WEST WENDOVER... MOVING NORTHEAST.

* APPROXIMATELY 1/2 TO 3/4 INCHES OF RAIN FELL IN PAST HOUR. 1 TO 2
  INCHES OF WATER RUNNING DOWN SOME STREETS.

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

BYRNE


&

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 Sep 10, 8:40 PM PDT, 1 hour 3 minutes earlier.

Area forecast discussion, Sep 10, 8:40 PM PDT, 1 hour 3 minutes before
NORTHERN GREAT BASIN FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ELKO NV
840 PM PDT THU SEP 10 1998

WATER VAPOR LOOP SHOWS UPPER LOW VICINITY OF PYRAMID LAKE SLOWLY MOVING SOUTH.
THUNDERSTORM JUST MOVED THROUGH CARLIN AREA AND MATCHES UP WITH 2KM IR
PICTURE AT 0300Z.  NO ELKO RADAR TONIGHT.  JUST GETTING ETA 00Z DATA IN.
UPPER LOW IS STILL PROGGED TO MOVE SOUTH TO SOUTHWEST OVERNIGHT.  ETA
SHOWS JUICY MOISTURE CONVERGENCE OVER NORTHEAST NEVADA FOR FRIDAY AFTERNOON
WITH UPPER LOW JUST SOUTH OF LAKE TAHOE.  EXPECT ANOTHER ROUND OF AFTERNOON
THUNDERSTORMS TOMORROW ACROSS ALL OF CWA.  CURRENT FORECAST LOOKS ON TRACK
BUT MAY UPDATE LATER THIS EVENING...DEPENDS ON DECREASING TSTMS ACTIVITY
MAINLY IN THE WEST.
BYRNE
.EKO...NONE

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.