Alert archive / Nevada / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 16, NWS Elko, NV

August 11, 1997Elko County, Nevada

NWS Elko, NV issued this severe thunderstorm warning at Aug 11, 1997, 2:08 PM PDT for Elko County, Nevada. It was in force for 52 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 11, 1997, 2:08 PM PDT (21:08 UTC)
Expired
Aug 11, 1997, 3:00 PM PDT
In force
52 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 21:10 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, 9.1 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 1997-08-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 100 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 1997-08-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -17 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
100 J/kg
Mixed-layer CIN
-266 J/kg
Mixed-layer LCL
1652 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
-17 m²/s²
0-3 km storm-relative helicity
31 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 112110 RRA
SVREKO
NVC007-112200-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ELKO NV
208 PM PDT MON AUG 11 1997
 
THE NATIONAL WEATHER SERVICE IN ELKO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  300 PM PDT
FOR PEOPLE IN THE FOLLOWING LOCATION......
 
IN NORTHEAST NEVADA
 
   ...NORTHEASTERN ELKO COUNTY
 
AT 205 PM...RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES NORTHEAST OF
MONTELLO MOVING EAST AT 10 MPH. THE STORM WILL LIKELY PRODUCE LARGE HAIL
AND VERY HEAVY RAIN. THE STORM IS EXPECTED TO CROSS INTO UTAH BY 230.
 
WHEN THUNDERSTORMS ARE OCCURRING, PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DON'T USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED.  MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.
 
LOHMANN

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 11, 2:00 PM PDT, 8 minutes earlier.

Area forecast discussion, Aug 11, 2:00 PM PDT, 8 minutes before
NORTHERN GREAT BASIN FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ELKO NV
200 PM PDT MON AUG 11 1997

UPR LOW CONT TO SPIN OVR OR/ID BORDER WITH VORT LOBE MOVING THRU NRN
NV AT THIS TIME WITH CONV ACRSS MUCH OF AREA.  THETA RIDGE ACRSS NRN
NV WITH LIS TO MINUS 2 AND CAPE VALUES ARND 1000 THRU THE EVENING.
SLOWER MOVEMENT MAY CAUSE FF THREAT PER CO WITH WSFO BOI.  COLD POOL
TO REMAIN JUST TO THE NORTH BUT WILL BE ENUF COOL AIR ALOFT TO KEEP
STEEP LAPSE RATES OVR AREA.  15Z MESO CAPE PRODUCT WAS CLOSE AT SHOWING
FIRST AREA OF CONV OVR NE HUMBOLDT CNTY.  IT THEN PUSHES BEST AREA
OF CAPE TO NORTH ALNG IDAHO BORDER THIS EVENING.  SOME DRYING AT UPR LVLS
ON TUE BUT WILL BE ENUF MSTR LFT AT THE LLVL FOR SCT/ISOLATED TSTMS
NORTH AND LESS COVERAGE OVR THE CNTRL AREA.  MAIN DYNAMIXS FOR TDA AND
LEFT OVR MSTR//BOUNDRIES FOR TSTMS TO WORK ON FOR TUE. MSTR CONTS TO
DECREASE ON TUE WITH HIGHEST CHC ALONG NE BORDER. FOR WED AS VORT IS
MOVED EAST WILL CONFINE TSTM CHC TO NE CORNER.  LITTLE CHANGE IN H70
TEMPS THRU PD SO SFC TEMPS IN 80S.
WMC2210  EKO3211  ELY1110
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.