Alert archive / Nevada / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 3, NWS Elko, NV

May 31, 2002Elko County, Eureka County, Nevada

NWS Elko, NV issued this severe thunderstorm warning at May 31, 2002, 6:45 PM PDT for Elko County, Eureka County, Nevada. It was in force for 30 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: May 31, 2002, 6:45 PM PDT (01:45 UTC)
Expired: May 31, 2002, 7:15 PM PDT
In force: 30 min
Issued by: NWS Elko, NV
Area: Counties, with a storm outline in the text

Counties Elko County, NV, Eureka 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 00:00Z, 1.8 hours before the alert went out and 163 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 738 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 3143 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 44 m²/s²
0-3 km storm-relative helicity: 25 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.1

Open this sounding in Storm Lab

The text

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

604 
WUUS55 KLKN 010145
SVREKO
NVC007-011-010215-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ELKO NV
640 PM PDT FRI MAY 31 2002

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL ELKO COUNTY IN NEVADA
  EXTREME NORTH CENTRAL EUREKA COUNTY IN NEVADA

* UNTIL 715 PM PDT

* AT 635 PM PDT...A SEVERE THUNDERSTORM WAS REPORTED OVER CENTRAL
  ELKO COUNTY...OR ABOUT 17 MILES WEST OF ELKO...MOVING NORTH AT 35
  MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
RURAL CENTRAL ELKO COUNTY AT 650 PM PDT
RURAL WESTERN ELKO COUNTY AT 710 PM PDT

HAIL...FREQUENT LIGHTNING AND STRONG GUSTY WINDS TO 60 MPH ARE 
POSSIBLE WITH THIS SEVERE THUNDERSTORM. 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 4082 11620 4088 11593 4130 11594 4126 11636

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 May 31, 2:30 PM PDT, 4 hours 15 minutes earlier.

Area forecast discussion, May 31, 2:30 PM PDT, 4 hours 15 minutes before

NORTHERN GREAT BASIN FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ELKO NV
230 PM PDT FRI MAY 31 2002

HAVE NOT MADE ANY BIG CHANGES OVER LAST SEVERAL FORECASTS... MODELS
HAVE REMAINED CONSISTENT BRINGING INGREDIENTS FOR PRECIP TOGETHER.
GOING WITH A WET FORECAST... CHANCE TO LIKELY POPS THROUGH SUNDAY
DECREASING TO SLIGHT CHANCE ON MONDAY AS TROPICAL MOISTURE FROM A CUT
OFF LOW IN THE PACIFIC COMBINES WITH AN UPPER TROUGH AND A NUMBER OF
SHORTWAVES TO PRODUCE SHOWERS AND THUNDERSTORMS ACROSS THE GREAT
BASIN THIS WEEKEND.  AFTERNOON CONVECTION TOOK ITS TIME GETTING
STARTED BUT QUITE A BIT OF AFTERNOON CU FINALLY KICKED UP... MAINLY
NORTH.  STARTING TO GET A FEW WEAK ECHOS ON RADAR.  EXPECT COVERAGE
TO PICK UP TONIGHT AS UPPER SUPPORT ARRIVES.  SATURDAY LOOKS LIKE
MAIN PRECIP DAY AS THE ATMOSPHERE BECOMES SATURATED AND BEST LIFT
ARRIVES.  WILL SEE A RETURN TO MORE SEASONAL TEMPERATURES BEGINNING
SATURDAY.  UPPER RIDGE RETURNS NEXT WEEK WITH DRY CONDITIONS AND
WARMER TEMPERATURES STARTING TUESDAY AND CONTINUING THROUGH THE
PERIOD.

.EKO...NONE.

95

The office that day

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

Issued	Product	Office	Counties	Lasted
May 31, 6:41 PM PDT	Severe Thunderstorm Warning	LKN	Elko, Eureka	34 min
May 31, 6:43 PM PDT	Severe Thunderstorm Warning	LKN	Elko, Eureka	32 min
Jun 1, 1:04 PM PDT	Severe Thunderstorm Warning	LKN	Elko, Eureka	26 min
Jun 1, 1:07 PM PDT	Severe Thunderstorm Warning	LKN	Elko, Eureka	23 min
Jun 1, 1:10 PM PDT	Severe Thunderstorm Warning	LKN	Elko, Eureka	20 min

Nearby

Severe Thunderstorm Warnings in Nevada, 2002 Every 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.