Alert archive / Nevada / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 10, NWS Elko, NV

July 14, 2002Elko County, Nevada

NWS Elko, NV issued this severe thunderstorm warning at Jul 14, 2002, 3:12 PM PDT for Elko County, Nevada. It was in force for 33 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 14, 2002, 3:12 PM PDT (22:12 UTC)
Expired
Jul 14, 2002, 3:45 PM PDT
In force
33 min
Issued by
NWS Elko, NV
Area
Counties, with a storm outline in the text

County Elko County, NV

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The nearest sounding before it

Elko, NV (KLKN), launched 12:00Z, 10.2 hours before the alert went out and 123 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 2002-07-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 22 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 2002-07-14The 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
22 J/kg
Mixed-layer CIN
-555 J/kg
Mixed-layer LCL
2593 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
17 m²/s²
0-3 km storm-relative helicity
12 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.

339 
WUUS55 KLKN 142212
SVRLKN
NVC007-142245-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ELKO NV
310 PM PDT SUN JUL 14 2002

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL ELKO COUNTY IN NEVADA
  THIS INCLUDES THE CITIES OF...SPRING CREEK...SOUTH FORK...LAMOILLE

* UNTIL 345 PM PDT

* AT 305 PM PDT...RADAR INDICATED A SEVERE THUNDERSTORM OVER
  SOUTH FORK...MOVING NORTHEAST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  ELKO AT 325 PM PDT
  THIS STORM WILL PRODUCE WIND GUSTS OVER 60 MPH.

INTENSE LIGHTNING IS OCCURRING WITH THIS STORM. IF OUTDOORS...STAY
AWAY FROM ISOLATED HIGH OBJECTS SUCH AS TREES. MOVE INDOORS IF
POSSIBLE. WHEN INDOORS...STAY AWAY FROM WINDOWS AND DOORS AND AVOID
USING TELEPHONES UNLESS IT IS AN EMERGENCY. TRY TO UNPLUG UNNECESSARY
ELECTRICAL APPLIANCES BEFORE THE THUNDERSTORM APPROACHES.

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

LAT...LON 4069 11585 4057 11569 4081 11532 4097 11553

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 14, 1:45 PM PDT, 1 hour 27 minutes earlier.

Area forecast discussion, Jul 14, 1:45 PM PDT, 1 hour 27 minutes before
NORTHERN GREAT BASIN FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ELKO NV
145 PM PDT SUN JUL 14 2002

WILL KEEP DISCUSSION SHORT... STARTING TO GET STORMS FIRING ACROSS
THE AREA.  SPC MAY ISSUE A WATCH FOR NEVADA SHORTLY.  A NUMBER OF
THE STORMS YESTERDAY PRODUCED VERY STRONG OUTFLOW WINDS WITH REPORTS
OF SEVERE WINDS AND HAIL IN THE WEST.  MORNING SOUNDINGS WET AND
UNSTABLE... STORMS SHOULD BE AS STRONG THIS AFTERNOON AS YESTERDAY.
HIGH DAYTIME TEMPERATURES AND DECENT LOW LEVEL MOISTURE WILL BE
ENOUGH TO SUSTAIN CONVECTION INTO THE EVENING HOURS.  WILL BEGIN TO
DRY OUT WESTERN ZONES ON TUESDAY AS MODELS INDICATE MOISTURE WILL BE
PUSHED EAST. PLAN ON LEAVING A LOW POP IN THE EAST THROUGH THE
EXTENDED. CONTINUE TO GET NEW FIRE STARTS FROM LIGHTNING... WILL
LEAVE RED FLAG WARNING IN EFFECT.  OVERALL THE UPPER RIDGE IS SLOWLY
SHIFTING EAST ALLOWING MONSOONAL MOISTURE TO FLOW INTO NEVADA WITH
TEMPERATURES FALLING THROUGH THE WEEK BUT STAYING ABOVE NORMAL.

.EKO...RED FLAG WARNING FOR ZONES 451...452...454...455 AND 457
FOR THIS AFTERNOON AND THIS EVENING THROUGH 9 PM.

95

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 14, 4:51 PM PDTSevere Thunderstorm WarningLKNLander24 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.