Alert archive / Nevada / Flash Flood Warnings in 1997

Flash Flood Warning 1, NWS Elko, NV

June 7, 1997Elko County, Nevada

NWS Elko, NV issued this flash flood warning at Jun 7, 1997, 2:57 PM PDT for Elko 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 counties it named.

The facts

Issued
Jun 7, 1997, 2:57 PM PDT (21:57 UTC)
Expired
Jun 7, 1997, 7:00 PM PDT
In force
4 hr
Issued by
NWS Elko, NV
Area
Whole counties

County Elko County, NV

The radar

The Elko radar (KLRX), 129 km from the middle of the area, began a volume at 22:01 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, 10.0 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 12:00Z on 1997-06-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 1997-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 44 square meters per square second.1939Sfc1 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
1 J/kg
Mixed-layer CIN
-264 J/kg
Mixed-layer LCL
1276 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
44 m²/s²
0-3 km storm-relative helicity
119 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 072200
FFWEKO
NVC007-080200-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ELKO NV
257 PM PDT SAT JUN 7 1997
 
THE NATIONAL WEATHER SERVICE IN ELKO HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  700 PM PDT
FOR PEOPLE IN THE FOLLOWING LOCATION......
 
IN NORTHEAST NEVADA
 
   ...WESTERN ELKO COUNTY
 
AT 300 PM...NEVADA HIGHWAY PATROL REPORTS THAT FLOODING IS OCCURING IN
THE VICINTY OF HUNTER OR 10 MILES WEST OF ELKO. THE HIGHWAY PATROL IS
REPORTING THAT WATER IS FLOWING OVER THE INTERSTATE FROM VERY STRONG
THUNDERSTORMS. NATIONAL WEATHER SERVICE RADAR ESTIMATES THAT NEAR 1.00
INCHES OF RAIN HAS FALLEN IN THE PAST 1 HOUR.
 
THESE THUNDERSTORMS CONTINUE TO MOVE OFF TO THE NORTH AT 10-15 MPH.
THUNDERSTORMS CAN BE EXPECTED TO CONTINUE FOR THE REMAINDER OF TODAY
AND SMALL STREAMS AND CREEKS MAY ALSO BE APROACHING BANKFUL IN THIS
AREA.
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT.  MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES.  DO NOT
ATTEMPT TO CROSS BRIDGES, DIPS, OR LOW SPOTS IF WATER COVERS
THE ROADWAY.  NEVER TRY TO CROSS A FLOWING STREAM, EVEN A SMALL
ONE, ON FOOT.  TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.
 
REDMAN
&

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 Jun 7, 2:00 AM PDT, 12 hours 57 minutes earlier.

Area forecast discussion, Jun 7, 2:00 AM PDT, 12 hours 57 minutes before
NORTHERN GREAT BASIN FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ELKO NV
200 AM PDT SAT JUN 7 1997

VIGOROUS UPPER LOW NEAR BAJA THIS MORNING...CLOSE TO PROGS. WILL STAY
IN THIS AREA TODAY AS WEAK TROUGH APPROACHES OREGON COASTLINE. HARDLY
ANY MOISTURE WITH THIS FEATURE SO ITS MAIN JOB WILL BE TO WEAKEN THE
CAP TODAY AND WARM THINGS UP. MOISTURE VISIBLE AROUND UPPER LOW MOVG
INTO EASTERN NEVADA WILL CLASH WITH MORE SOUTHWESTLERY FLOW WITH TROUGH
TODAY. THETA-E/THERMAL RIDGE TO SHIFT FURTHER WEST TODAY. WEAK
CONVERGENCE LIKELY TO SET UP FROM ROUGHLY WMC EAST TO CARLIN AND SOUTH
INTO EUREKA. SOME UPPER DIV OVER WEST CENTRAL NEVADA TODAY MAY HELP
THINGS DESTABILIZE. WILL GO WITH SCATTERED SHRA/TSRA WEST AND CENTRAL
WITH MORE ISOLATED COVERAGE EAST CENTRAL AND FAR NORTHWEST. AS TROUGH
MOVES EAST OVERNIGHT...SHOWERS AND EVENING TSTORMS SHOULD CONTINUE IN
THE EAST. BY SUNDAY...MESSY PATTERN STILL AS TROUGH CAUSES UPPER LOW TO
EJECT NORTHWARD INTO UTAH...ALTHOUGH NOT AS FAR WEST AS YESTERDAYS
RUNS. MOST CONVERGENCE SHIFTS TO THE NORTHEAST BUT STILL LOTS OF
INSTABILTY BACK TO THE WEST AS WEAK LOW FORMS OFF CALIFORNIA COASTLINE.
WILL GO WITH A CHANCE OF SHOWERS AND THUNDERSTORMS ACROSS
CWA...ALTHOUGH EASTERN SECTIONS SHOULD BE THE MOST ACTIVE.
WMC333   EKO334   ELY244
PETERSON

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 7, 3:42 PM PDTSevere Thunderstorm WarningLKNLander63 min

Nearby

Flash Flood Warnings in Nevada, 1997Every flash flood warning in 1997

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.