Alert archive / Nevada / Tornado Warnings in 1998

Tornado Warning 2, NWS Las Vegas, NV

September 5, 1998Lincoln County, Nevada

NWS Las Vegas, NV issued this tornado warning at Sep 5, 1998, 3:56 PM PDT for Lincoln County, Nevada. It was in force for 44 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Sep 5, 1998, 3:56 PM PDT (22:56 UTC)
Expired
Sep 5, 1998, 4:40 PM PDT
In force
44 min
Issued by
NWS Las Vegas, NV
Area
Whole counties

County Lincoln County, NV

The radar

The Cedar City radar (KICX), 178 km from the middle of the area, began a volume at 22:56 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

Mercury/Desert R, NV (KDRA), launched 12:00Z, 10.9 hours before the alert went out and 151 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, Mercury/Desert R, NV at 12:00Z on 1998-09-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 919 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, Mercury/Desert R, NV at 12:00Z on 1998-09-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -29 square meters per square second.1939Sfc1 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
919 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
604 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
-29 m²/s²
0-3 km storm-relative helicity
31 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.

000 
TTAA00 KLAS 052255 RRA
TORLAS
NVC017-052340-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LAS VEGAS NV
356 PM PDT SAT SEP 5 1998


*  TORNADO WARNING FOR
   NORTHEASTERN LINCOLN COUNTY IN SOUTH CENTRAL NEVADA

*  UNTIL 440 PM PDT

*  SOME LOCATIONS IN THE WARNED AREA INCLUDE:
   URSINE
   SPRING VALLEY STATE PARK

AT 350 PM PDT...NEVADA HIGHWAY PATROL REPORTED A FUNNEL CLOUD
EAST OF PIOCHE...NEAR EAGLE VALLEY RESERVIOR. NEVADA HIGHWAY PARTOL
A BRIEF TOUCHDOWN. MOVEMENT WAS TO THE NORTH AT 20 MPH.

IF YOU ARE CAUGHT OUTSIDE...SEEK SAFETY IN A NEARBY STURDY
BUILDING. AS A LAST RESORT... SEEK REFUGE IN A CULVERT...
DITCH OR LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

PIERCE
 
<

Nearby

Tornado Warnings in Nevada, 1998Every tornado warning in 1998Tornadoes in 1998

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.