Alert archive / Nevada / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 21, NWS Elko, NV

July 25, 2002Elko County, Nevada

NWS Elko, NV issued this severe thunderstorm warning at Jul 25, 2002, 2:41 PM PDT for Elko County, Nevada. It was in force for 34 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 25, 2002, 2:41 PM PDT (21:41 UTC)
Expired
Jul 25, 2002, 3:15 PM PDT
In force
34 min
Issued by
NWS Elko, NV
Area
Counties, with a storm outline in the text

County Elko County, NV

The radar

The Salt Lake City radar (KMTX), 176 km from the middle of the area, began a volume at 21:45 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, 9.7 hours before the alert went out and 46 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 2002-07-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 18 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 2002-07-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 103 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
18 J/kg
Mixed-layer CIN
-381 J/kg
Mixed-layer LCL
1917 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
103 m²/s²
0-3 km storm-relative helicity
84 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.

680 
WUUS55 KLKN 252141
SVRLKN
NVC007-252215-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ELKO NV
240 PM PDT THU JUL 25 2002

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN ELKO COUNTY IN NEVADA

* UNTIL 315 PM PDT

* AT 233 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER SOUTHEASTERN ELKO COUNTY...OR ABOUT 25
  MILES NORTHEAST OF CURRIE...MOVING EAST AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
RURAL SOUTHEASTERN ELKO COUNTY ALONG ALTERNATE HIGHWAY 93 AT 250 PM 
PDT

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE.

LAT...LON 4044 11445 4032 11428 4035 11405 4076 11405

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 24, 5:10 PM PDTFlash Flood WarningLKNEureka50 min
Jul 24, 6:08 PM PDTFlash Flood WarningLKNEureka3 hr
Jul 25, 12:23 PM PDTSevere Thunderstorm WarningLKNEureka, White Pine22 min
Jul 25, 1:27 PM PDTSevere Thunderstorm WarningLKNWhite Pine48 min
Jul 25, 2:15 PM PDTFlash Flood WarningLKNWhite Pine3 hr
Jul 25, 2:31 PM PDTSevere Thunderstorm WarningLKNWhite Pine59 min

Nearby

Severe Thunderstorm Warnings in Nevada, 2002Every severe thunderstorm warning in 2002

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.