Alert archive / Nevada / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 32, NWS Elko, NV

August 20, 2001Elko County, Nevada

NWS Elko, NV issued this severe thunderstorm warning at Aug 20, 2001, 3:51 PM PDT for Elko County, Nevada. It was in force for 54 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
Aug 20, 2001, 3:51 PM PDT (22:51 UTC)
Expired
Aug 20, 2001, 4:45 PM PDT
In force
54 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), 196 km from the middle of the area, began a volume at 22:55 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, 10.9 hours before the alert went out and 56 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 2001-08-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2001-08-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 11 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3230 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
11 m²/s²
0-3 km storm-relative helicity
46 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.

014 
WUUS55 KLKN 202253
SVREKO
NVC007-202345-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ELKO NV
351 PM PDT MON AUG 20 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN ELKO COUNTY IN NEVADA
  THIS INCLUDES THE CITY OF WEST WENDOVER

* UNTIL 445 PM PDT

* AT 349 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 40 MILES SOUTHWEST OF WEST WENDOVER...OR ABOUT
  9 MILES NORTHEAST OF CURRIE...MOVING NORTHEAST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
RURAL SOUTHEASTERN ELKO COUNTY AT 410 PM PDT

HAIL UP TO DIME SIZE...INTENSE RAIN AND STRONG DAMAGING WINDS TO 60 
MPH ARE LIKELY WITH THIS STORM. TAKE COVER IN A SUBSTANTIAL SHELTER 
UNTIL THE STORM PASSES.

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

LAT...LON 4036 11487 4020 11463 4025 11405 4092 11407

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 20, 2:21 PM PDT, 1 hour 30 minutes earlier.

Area forecast discussion, Aug 20, 2:21 PM PDT, 1 hour 30 minutes before
NORTHERN GREAT BASIN FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ELKO NV
220 PM MON AUG 20 2001

SYNOPSIS...A WEAK COLD FRONT WILL PUSH THROUGH NORTHERN NEVADA
TONIGHT BRINGING DRIER AIR AND SLIGHTLY COOLER TEMPERATURES. SOME
RESIDUAL MOISTURE WILL REMAIN OVER EAST CENTRAL NEVADA TUESDAY
CONTINUING THE SLIGHT CHANCE OF AFTERNOON THUNDERSTORMS. ANOTHER
DISTURBANCE WILL PUSH INTO NORTHERN NEVADA WEDNESDAY INCREASING THE
CHANCES OF PRECIPITATION FOR NORTHWEST NEVADA. TEMPERATURES WILL
REMAIN AT OR SLIGHTLY BELOW NORMAL THROUGH MID WEEK.

SHORT TERM...THUNDERSTORMS HAVE FIRED UP THIS AFTERNOON OVER EASTERN
ELKO COUNTY AND WHITE PINE COUNTY IN ASSOCIATION WITH SOME MONSOONAL
MOISTURE THAT TRACKED NORTH AROUND AN AREA OF HIGH PRESSURE. DRIER
AIR HAS BEGUN TO PUSH IN FROM THE WEST BEHIND A WEAK COLD FRONT THAT
IS DRAPED THROUGH NORTHWEST NEVADA. THIS TROUGH WILL SWING THROUGH
THE STATE TUESDAY WITH JUST A LITTLE MOISTURE ACROSS NORTHWEST
NEVADA. THE MAIN AREA OF DYNAMICS IS ACROSS CENTRAL NEVADA AND
REALLY DONT EXPECT ANYTHING MORE THAN A FEW CLOUDS. THERE WILL BE
SOME RESIDUAL MOISTURE OVER EASTERN NEVADA AND WILL GO AHEAD AND
KEEP MENTION OF THUNDERSTORMS FOR THE FAVORED AREAS. A STRONGER
TROUGH WILL PUSH INTO NORTHERN CA WEDNESDAY WITH BETTER DYNAMICS AND
INSTABILITY OVER NORTHWEST NEVADA. HAVE GONE AHEAD AND ADDED A
SLIGHT CHANCE OF THUNDERSTORMS FOR HUMBOLDT COUNTY AS MOISTURE IS A
LITTLE DEEPER. BREEZY CONDITIONS WILL ALSO DEVELOP OVER MOST AREAS
IN ASSOCIATION WITH THE TROUGH.

THE TROUGH BEGINS TO WEAKEN BY THURSDAY LEAVING A MOSTLY ZONAL FLOW
OVER THE CWA. THE AVN IS SHOWING SOME LOW LEVEL MOISTURE OVER THE
FAR NORTHWEST...BUT WILL GO AHEAD AND LEAVE EVERYTHING DRY FOR NOW.
MRF CONTINUES TO SHOW THE TREND OF WEAKENING THE TROUGH IN THE
PACIFIC AND KEEPS THE FLOW ZONAL. HEIGHTS ALSO BEGIN TO RISE AND
WILL LOOK FOR A SLIGHT WARMING TREND FROM THE MIDDLE OF THE EXTENDED
ON. THE MODELS ARE SHOWING A WEAK UPPER LOW DEVELOPING OFF THE CA
COAST BY FRIDAY...BUT THERE IS VERY LITTLE IN THE WAY OF MOISTURE.
AS OF NOW WILL NOT BOTHER WITH THIS FEATURE.        AG

.EKO...NONE.

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.