Alert archive / Nevada / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 2, NWS Las Vegas, NV

August 24, 1986Clark County, Nevada

NWS Las Vegas, NV issued this severe thunderstorm warning at Aug 24, 1986, 2:20 AM PDT for Clark County, Nevada. It was in force for 60 min.

The area

The counties it named.

The facts

Issued
Aug 24, 1986, 2:20 AM PDT (09:20 UTC)
Expired
Aug 24, 1986, 3:20 AM PDT
In force
60 min
Issued by
NWS Las Vegas, NV
Area
Whole counties

County Clark County, NV

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Mercury/Desert R, NV (KDRA), launched 00:00Z, 9.3 hours before the alert went out and 99 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 00:00Z on 1986-08-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1588 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 1986-08-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -45 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
1588 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
2865 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
-45 m²/s²
0-3 km storm-relative helicity
-3 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 240919
SVRLAS
NVC003-AZ015-241020-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LAS VEGAS NV
220 AM PDT SUN AUG 24 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 320 AM PDT FOR PEOPLE IN THE FOLLOWING
COUNTIES OF:

IN SOUTH NEVADA
              EASTERN CLARK
IN ARIZONA
              NORTHWEST MOHAVE

NATIONAL PARK SERVICE DISPATCHER REPORTS SEVERE THUNDERSTORMS WITH
WIND GUSTING TO 60 MILES AN HOUR AT SOME OF THE MARINAS.

IF YOU ARE IN THE THREATENED AREA..STAY ALERT TO CHANGING CONDITIONS
AND BE READY TO MOVE TO A REINFORCED SHELTER.

SEVERE THUNDERSTORMS CAN PROCUDE STRONG DAMAGING WINDS..LARGE HAIL..
HEAVY RAIN..AND DEADLY LIGHTENING.

LISTEN TO NOAA WEATHER RADIO..LOCAL RADIO AND TV STATION FOR FURTHER
INFORMATION.
DODD/0920Z

Nearby

Severe Thunderstorm Warnings in Nevada, 1986Every severe thunderstorm warning in 1986

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.