Alert archive / Nevada / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 1, NWS Las Vegas, NV
NWS Las Vegas, NV issued this severe thunderstorm warning at Jun 9, 1990, 6:05 PM PDT for Clark County, Nye County, Nevada. It was in force for 115 min.
The area
The counties it named.
The facts
- Issued
- Jun 9, 1990, 6:05 PM PDT (01:05 UTC)
- Expired
- Jun 9, 1990, 8:00 PM PDT
- In force
- 115 min
- Issued by
- NWS Las Vegas, NV
- Area
- Whole counties
Counties Clark County, NV, Nye 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, 1.1 hours before the alert went out and 61 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.
- Mixed-layer CAPE
- 21 J/kg
- Mixed-layer CIN
- -55 J/kg
- Mixed-layer LCL
- 2712 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 7 m²/s²
- 0-3 km storm-relative helicity
- -8 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KLAS 100107 SVRLAS NVC003-023-100300- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LAS VEGAS NV 605 PM PDT SAT JUN 9 1990 THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 800 PM PDT FOR PEOPLE IN THE FOLLOWING LOCATIONS...S... IN SOUTH NEVADA ...SOUTHERN CLARK COUNTY IN SOUTH CENTRAL NEVADA ...SOUTHERN NYE COUNTY WEATHER SPOTTER AT AMARGOSSA VALLEY REPORTS WIND OVER 50 MPH AND VISIBILITY NEAR ZERO WITH BLOWING SAND AND DUST. DODD/0106Z WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A STRONG BUILDING. DO NOT STAND BY WINDOWS. DON'T USE TELEPHONES OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR= YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
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.
In the hours before
Special weather statement, Jun 9, 2:35 PM PDT, 3 hours 30 minutes before
NVZ008-009-100100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 235 PM PDT SAT JUN 9 1990 ...THUNDERSTORMS OVER EXTREME SOUTHERN NEVADA... AT 230 PM PDT RADAR AND LIGHTNING DETECTION EQUIPMENT SHOWED THUN- DERSTORMS OVER EXTREME SOUTHERN NEVADA...NORTHWEST ARIZONA AND THE EASTERN DESERTS OF CALIFORNIA. THE THUNDERSTORMS WERE MOVING TO THE NORTH AT 25 MPH. THUNDERSTORMS ARE EXPECTED TO CONTINUE OVER SOUTHERN NEVADA THIS AFTERNOON AND TONIGHT AND SOME OF THEM MAY PRODUCE HEAVY RAIN... STRONG GUSTY WINDS...DEADLY LIGHTNING AND HAIL. LOCAL FLOODING OF LOW LYING AREAS AND NORMALLY DRY WASHES IS POSSIBLE. REMEMBER...NEVER ATTEMPT TO CROSS FLOODED ROADS ON FOOT OR IN YOUR CAR. GUSTY WINDS ASSOCIATED WITH THUNDERSTORMS WILL CAUSE LOCAL AREAS OF BLOWING DUST AND SAND WHICH WILL REDUCE VISIBILITIES TO NEAR ZERO AT TIMES. IF LIGHTNING IS NEARBY TAKE SHELTER INDOORS OR IN YOUR CAR. NEVER SEEK SHELTER FROM LIGHTNING UNDER A TREE. PERSONS ENGAGED IN OUTDOOR ACTIVITES IN SOUTHERN NEVADA TODAY ARE URGED TO USE CAUTION AND KEEP AN EYE ON THE SKY. BOATERS ON LAKE MEAD AND MOHAVE ARE REMINDED THAT A LAKE WIND ADVISORY HAS BEEN ISSUED FOR THIS AFTERNOON AND TO-NIGHT FOR STRONG GUSTY WINDS NEAR THUNDERSTORMS. LISTEN TO COMMERCIAL RADIO...TELEVISION OR NOAA WEATHER RADIO FOR THE LATEST FORECASTS OR ADDITIONAL STATEMENTS CONCERNING THIS SITUATION. DJR/2135Z
The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 9, 9:12 PM PDT | Flash Flood Warning | VEF | Clark | 3 hr |
| Jun 10, 1:14 PM PDT | Flash Flood Warning | VEF | Clark | 2 hr |
| Jun 10, 3:00 PM PDT | Flash Flood Warning | VEF | Clark | 2 hr |
Nearby
Severe Thunderstorm Warnings in Nevada, 1990Every severe thunderstorm warning in 1990
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.