Alert archive / Nevada / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 13, NWS Elko, NV

August 7, 1997Elko County, Nevada

NWS Elko, NV issued this severe thunderstorm warning at Aug 7, 1997, 5:01 PM PDT for Elko County, Nevada. It was in force for 29 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
Aug 7, 1997, 5:01 PM PDT (00:01 UTC)
Expired
Aug 7, 1997, 5:30 PM PDT
In force
29 min
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 00:03 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 00:00Z, 0.0 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 00:00Z on 1997-08-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 441 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Elko, NV at 00:00Z on 1997-08-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 39 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
441 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
3898 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
39 m²/s²
0-3 km storm-relative helicity
4 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KEKO 080002 RRA
SVREKO
NVC007-080030-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ELKO NV
501 PM PDT THU AUG 7 1997
 
THE NATIONAL WEATHER SERVICE IN ELKO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  530 PM PDT
FOR PEOPLE IN THE FOLLOWING LOCATION......
 
IN NORTHEAST NEVADA
 
   ...EAST CENTRAL ELKO COUNTY
 
AT 500 PM PDT (600 MDT) RADAR INDICATED A SEVERE THUNDERSTORM 20 MILES
NORTHWEST OF WEST WENDOVER IN THE PILOT PEAK VICINITY. THE STORM IS
MOVING SOUTHEAST AT 20 MPH AND WILL REMAIN ALONG THE UTAH BORDER NORTH
OF WEST WENDOVER THROUGH 530 PM PDT (630 PM MDT).
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 58
MPH, DESTRUCTIVE HAIL, DEADLY LIGHTNING, AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
 
DUDLEY

What forecasters said that day

The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Aug 7, 2:06 AM PDT, 14 hours 55 minutes earlier.

Area forecast discussion, Aug 7, 2:06 AM PDT, 14 hours 55 minutes before
NORTHERN GREAT BASIN FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ELKO NV
200 AM PDT THU AUG 7 1997

RIDGE AXIS TO SHIFT TO NE NV THIS AFTN AND THEN FLATTEN ON FRI AS LOW
MOVES ALONG THE CANADIAN BORDER.  ALL MODEL SHOW PATCH OF MSTR AT H50
ACRSS THE STATE TODAY AND THUS VARYING DEGREES OF CONV WITH NGM HITTING
IT THE HARDEST.  NO REAL TRIGGER TO SEE BUT WITH STRNG SFC HEATING
WILL EXPCT ALONG THE EDGE OF HIGH.  ETA KEPT NEGATIVE LI CONFINED TO
NE PART OF STATE WHILE AVN AND NGM SHOW BROAD AREA OF INSTABLITY ACRSS
REGION.  SOME CONV INDICATED OVR CNTRL PART OF STATE IN BOUNDRY LVL WNDS
FOR LATE TDA AND AGAIN FRI AFTN.  BEST CAPES ALSO SHFT TO CNTRL PART OF
STATE ON FRI AFTN.  HIGH CNTR AT H7 OVR NE NV AT 00Z FRI SO MAX WARMING
TDA AND LITTLE COOLER FRI AS HIGH FLATTENS.  COOL FRNT SEEN IN WATER
VAPOR PIX PROGGD TO STAY TO THE NORTH...BUT MAY NEED TO WATCH HOW CLOSE
IT COMES TO NRN AREA ON FRI.
WMC110 EKO111  ELY111
LOHMANN

Nearby

Severe Thunderstorm Warnings in Nevada, 1997Every severe thunderstorm 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.