Alert archive / Nevada / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 26, NWS Elko, NV

July 11, 2001Elko County, Nevada

NWS Elko, NV issued this severe thunderstorm warning at Jul 11, 2001, 8:40 PM PDT for Elko County, Nevada. It was in force for 65 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
Jul 11, 2001, 8:40 PM PDT (03:40 UTC)
Expired
Jul 11, 2001, 9:45 PM PDT
In force
65 min
Issued by
NWS Elko, NV
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Elko County, NV

The nearest sounding before it

Elko, NV (KLKN), launched 00:00Z, 3.7 hours before the alert went out and 217 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 2001-07-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 436 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 00:00Z on 2001-07-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -22 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
436 J/kg
Mixed-layer CIN
-27 J/kg
Mixed-layer LCL
2801 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
-22 m²/s²
0-3 km storm-relative helicity
82 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.

000 
WUUS55 KLKN 120345
SVREKO

NVC007-120445-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ELKO NV
840 PM PDT WED JUL 11 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  RURAL NORTHWESTERN ELKO COUNTY IN NEVADA
  THIS INCLUDES THE COMMUNITY OF MIDAS

* UNTIL 945 PM PDT

* AT 840 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  A LINE OF SEVERE THUNDERSTORMS FROM FROM 27 MILES NORTH OF MIDAS 
  AND 10 MILES SOUTH OF MIDAS...MOVING NORTHEAST AT 20 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
RURAL NORTHWESTERN ELKO COUNTY AT 900 PM PDT

STRONG DAMAGING WINDS IN EXCESS OF 60 MPH ARE LIKELY WITH THESE 
STORMS. IF YOU ARE IN THE PATH OF THESE STORMS...TAKE COVER IN A 
SUBSTANTIAL SHELTER UNTIL THE STORMS PASS.

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

LAT...LON 4198 11699 4103 11680 4105 11641 4161 11617
          4177 11639

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 Jul 11, 2:30 PM PDT, 6 hours 10 minutes earlier.

Area forecast discussion, Jul 11, 2:30 PM PDT, 6 hours 10 minutes before
NORTHERN GREAT BASIN FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ELKO NV
230 PM PDT WED JUL 11 2001

WV IMAGERY SHOWS DRY AIR IN SOUTHWEST FLOW ALOFT STARTING TO
OVERTAKE NRN NV. THIS HAS RESULTED IN MORE LLVL DRYING THAN
PREVIOUSLY EXPECTED AS DEWPOINT AT P68 HAS DROPPED FROM 50 THIS
MORNING TO BELOW FREEZING. STILL...CONVECTION FIRING NICELY ACROSS
NRN ZONES AND ALONG HIGHWAY 93. SO FAR...IT HAS BEEN BELOW SEVERE
CRITERIA...BUT EFFICIENT RAIN PRODUCERS. CURRIE IN SOUTH CENTRAL
ELKO COUNTY HAD OVER ONE INCH OF RAIN AND PEA HAIL. EXPECT CONVECTION
TO CONTINUE ACROSS NORTH THIS EVENING AS UPPER LOW OFF NRN CA
COAST EJECTS VORT LOBE ACROSS THE AREA...BUT WILL KEEP SCATTERED
MENTION TO ZONES 30 AND 31 WITH ISOLATED FURTHER SOUTH. WILL TOTALLY
REMOVE PRECIP FROM ZONE 37 AS DRY AIR APPEARS FIRMLY ENTRENCHED THERE
AND ONLY FLAT CU NOW FORMING. WILL CONTINUE MENTION OF CONVECTION ALL
NIGHT FOR ZONE 30 AS IT HAS BEST FORCING AS VORT LOBE MOVES ACROSS
FROM 06 TO 12Z.

FOR THURS...DRY AIR BECOMING MORE FIRMLY ENTRENCHED BUT ETA/AVN STILL
SHOWS ENOUGH LLVL MOISTURE HANGING ON FOR A MENTION OF SLIGHT
CHANCE FAR NORTH. ELSEWHERE...EXPECT A FEW CU AND MAYBE TCU BUT NOT
MUCH MORE. BY FRI...APPEARS AS IF ENOUGH DRY AIR WILL BE AROUND TO
SUPPORT A DRY FORECAST...BUT THERE MAY BE ENOUGH MOISTURE IN NRN
ZONE 30 FOR A LIGHT SHOWER. WILL LEAVE THIS OUT FOR NOW. WILL ALSO
GRADUALLY WARM TEMPS TO NEAR SEASONAL NORMALS BY FRIDAY WITH H5
TEMPS NEAR 590 DM.

EXTENDED...MODELS GRADUALLY COMING INTO BETTER AGREEMENT IN
BRINGING IN UPPER LOW ACROSS THE PACIFIC NORTHWEST EARLY NEXT WEEK.
MRF/GEM STILL THE STRONGEST...BUT NEW AVN SEEMS LIKE A DECENT
COMPROMISE...AND ENSEMBLE AGREES. WILL GO WITH ITS SOLN...ALBEIT
SLIGHTLY WEAKER FOR COOLER TEMPS AND SOME AFTERNOON BREEZES EACH
DAY. ALTHOUGH THIS PATTERN DOES FAVOR NW NV FOR SOME ISOLD SHOWERS...
WILL LEAVE OUT FOR NOW TO VIEW ANOTHER MODEL RUN OR TWO^. WALLMANN

.EKO...NONE.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 11, 9:05 PM PDTSevere Thunderstorm WarningLKNHumboldt70 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.