Alert archive / Nevada / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 40, NWS Elko, NV

September 13, 2001Elko County, Nevada

NWS Elko, NV issued this severe thunderstorm warning at Sep 13, 2001, 1:25 PM PDT for Elko County, Nevada. It was in force for 35 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued
Sep 13, 2001, 1:25 PM PDT (20:25 UTC)
Expired
Sep 13, 2001, 2:00 PM PDT
In force
35 min
Issued by
NWS Elko, NV
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Elko County, NV

The radar

The Salt Lake City radar (KMTX), 150 km from the middle of the area, began a volume at 20:29 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, 8.4 hours before the alert went out and 68 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 2001-09-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 103 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 2001-09-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 87 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
103 J/kg
Mixed-layer CIN
-222 J/kg
Mixed-layer LCL
1034 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
87 m²/s²
0-3 km storm-relative helicity
137 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

The text

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

324 
WUUS55 KLKN 132026
SVREKO
NVC007-132100-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ELKO NV
125 PM PDT THU SEP 13 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EAST CENTRAL ELKO COUNTY IN NEVADA

* UNTIL 200 PM PDT

* AT 117 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER EXTREME EAST CENTRAL ELKO COUNTY...OR
  ABOUT 14 MILES NORTH OF MONTELLO...MOVING NORTHEAST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
RURAL NORTHEASTERN ELKO COUNTY AT 140 PM PDT

HAIL UP TO 1 INCHE IN DIAMETER IS INDICATED BY RADAR WITH THIS 
STORM. IF YOU ARE IN THE PATH OF THE STORM...PUT YOUR CAR IN A 
GARAGE AND MOVE TO A SUBSTANTIAL SHELTER.

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

LAT...LON 4148 11437 4132 11423 4147 11405 4165 11408

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 Sep 13, 8:10 AM PDT, 5 hours 15 minutes earlier.

Area forecast discussion, Sep 13, 8:10 AM PDT, 5 hours 15 minutes before
NORTHERN GREAT BASIN FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ELKO NV
810 AM PDT THU SEP 13 2001

IR SATELLITE INDICATES THE UPPER LOW WAS CENTERED OVER NW NEVADA THIS
MORNING WITH SIGNIFICANT WRAP AROUND MOISTURE BEHIND IT.  ACCAS HAS
BEEN OBSERVED TO THE WEST OF EKO.  LKN 12Z SOUNDING VERY UNSTABLE
FOR HERE WITH LI OF -5.3.  CURRENT ZONES CARRYING LOW POPS IN THE
NORTH... IF LOW DOES NOT EXIT THE AREA QUICK ENOUGH THEN WILL END UP
WITH STORMS ACROSS MUCH OF NORTHEAST NEVADA.  RADAR INDICATES
STORMS ARE ALREADY BEGINNING TO FIRE ACROSS THE EASTERN CWA.  WILL
UPDATE ZONES TO INCREASE FIRST PERIOD POPS.

.EKO...NONE.

95

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 12, 5:14 PM PDTSevere Thunderstorm WarningLKNWhite Pine46 min
Sep 12, 6:05 PM PDTSevere Thunderstorm WarningLKNWhite Pine25 min
Sep 12, 6:10 PM PDTSevere Thunderstorm WarningLKNLander50 min
Sep 12, 7:00 PM PDTSevere Thunderstorm WarningLKNLander35 min
Sep 12, 10:42 PM PDTSevere Thunderstorm WarningLKNElko, Eureka63 min
Sep 13, 10:23 AM PDTSevere Thunderstorm WarningLKNElko52 min

Nearby

Severe Thunderstorm Warnings in Nevada, 2001Every severe thunderstorm warning in 2001

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.