Alert archive / Nevada / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 3, NWS Las Vegas, NV
NWS Las Vegas, NV issued this severe thunderstorm warning at Jul 18, 1994, 6:03 PM PDT for Clark County, Nevada. It was in force for 57 min.
The area
The counties it named.
The facts
- Issued
- Jul 18, 1994, 6:03 PM PDT (01:03 UTC)
- Expired
- Jul 18, 1994, 7:00 PM PDT
- In force
- 57 min
- Issued by
- NWS Las Vegas, NV
- Area
- Whole counties
County Clark County, NV
The nearest sounding before it
Mercury/Desert R, NV (KDRA), launched 00:00Z, 1.1 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.
- Mixed-layer CAPE
- 131 J/kg
- Mixed-layer CIN
- -36 J/kg
- Mixed-layer LCL
- 3422 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 10 m²/s²
- 0-3 km storm-relative helicity
- 110 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 190107 RRA SVRLAS NVC003-190200- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LAS VEGAS NV 603 PM PDT MON JUL 18 1994 THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 700 PM PDT FOR PEOPLE IN THE FOLLOWING LOCATIONS...... IN SOUTH NEVADA ...NORTHEASTERN CLARK COUNTY A WEATHER SPOTTER IN MESQUITE NEVADA REPORTS WIND GUSTS TO 60 MPH WITH REDUCED VISIBILITY TO 1/2 MILE IN BLOWING DUST. RESIDENTS IN MESQUITE AND THE SURROOUNDING COMMUNITIES OF LOGANDALE, OVERTON AND GLENDALE SHOULD PREPARE IMMEDIATELY FOR HIGH WINDS. LAS VEGAS RADAR SHOWED A CLUSTER OF STRONG THUNDERSTORMS ACROSS NORTHEAST CLARK COUNTY MOVING SOUTHWEST AT 20 MPH. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN... AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. &
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, Jul 18, 12:40 PM PDT, 5 hours 23 minutes before
NVZ008-182130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NEVADA 1240 PM PDT MON JUL 18 1994 ...THUNDERSTORMS DEVELOPING IN SOUTHERN NEVADA... AT 1230 PM PDT...WEATHER RADAR, SATELLITE IMAGERY AND LIGHTNING DETECTORS INDICATED THUNDERSTORMS BUILDING IN SOUTHERN NEVADA. MOST OF THE THUNDERSTORMS SO FAR, HAVE BEEN DEVELOPING IN SOUTHERN CLARK COUNTY, WITH THE STRONGEST CELL APPROXIMATELY 25 MILES NORTH OF LAS VEGAS. APPARENT MOVEMENT OF THE STORMS IS VERY SLOW...PERHAPS 5 MPH...TO THE NORTHEAST. THE REMAINDER OF THE AFTERNOON SHOULD BRING FURTHER DEVELOPMENT OF THUNDERSTORMS SCATTERED THROUGHOUT SOUTHERN NEVADA. IF YOU ARE IN OR AROUND ANY STORMS THIS AFTERNOON...BE PREPARED FOR STRONG GUSTY WINDS...POSSIBLE SMALL HAIL...AND DANGEROUS CLOUD TO GROUND LIGHTNING. SINCE WE HAVE BEEN IN OUR NORMAL COMPLACENT DRY SEASON...EXTRA CARE SHOULD BE EXERCISED BY GETTING BACK INTO THE HABIT OF REMAINING AWARE OF THE SUDDEN CHANGING WEATHER CONDITIONS THAT CAN HAPPEN THIS TIME OF YEAR. THESE THUNDERSTROMS HAVE VERY LITTLE MOVEMENT, BUT ARE EXPECTED TO DRIFT VERY SLOWLY TO THE NORTHEAST. BECAUSE DAYTIME HEATING IS SUPPORTING THE THUNDERSTORMS, EXPECT THEM TO DECREASE THIS EARLY EVENING. OFTEN FOUND ASSOCIATED WITH THUNDERSTORMS, ARE GUSTY WINDS THAT MAY EXCEED OVER 35 MPH. THESE GUSTY WINDS MAY PRODUCE BLOWING SAND AND DUST WHICH CAN SUDDENLY REDUCE VISIBILITIES TO ZERO. STAY TUNED TO YOUR NOAA WEATHER RADIO OR FAVORITE LOCAL TV OR RADIO STATION FOR ANY UPDATES. JWS/1940Z
Special weather statement, Jul 18, 12:41 PM PDT, 5 hours 22 minutes before
NVZ008-182130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NEVADA 1240 PM PDT MON JUL 18 1994 ...THUNDERSTORMS DEVELOPING IN SOUTHERN NEVADA... AT 1230 PM PDT...WEATHER RADAR, SATELLITE IMAGERY AND LIGHTNING DETECTORS INDICATED THUNDERSTORMS BUILDING IN SOUTHERN NEVADA. MOST OF THE THUNDERSTORMS SO FAR, HAVE BEEN DEVELOPING IN SOUTHERN CLARK COUNTY, WITH THE STRONGEST CELL APPROXIMATELY 25 MILES NORTH OF LAS VEGAS. APPARENT MOVEMENT OF THE STORMS IS VERY SLOW...PERHAPS 5 MPH...TO THE NORTHEAST. THE REMAINDER OF THE AFTERNOON SHOULD BRING FURTHER DEVELOPMENT OF THUNDERSTORMS SCATTERED THROUGHOUT SOUTHERN NEVADA. IF YOU ARE IN OR AROUND ANY STORMS THIS AFTERNOON...BE PREPARED FOR STRONG GUSTY WINDS...POSSIBLE SMALL HAIL...AND DANGEROUS CLOUD TO GROUND LIGHTNING. SINCE WE HAVE BEEN IN OUR NORMAL COMPLACENT DRY SEASON...EXTRA CARE SHOULD BE EXERCISED BY GETTING BACK INTO THE HABIT OF REMAINING AWARE OF THE SUDDEN CHANGING WEATHER CONDITIONS THAT CAN HAPPEN THIS TIME OF YEAR. THESE THUNDERSTROMS HAVE VERY LITTLE MOVEMENT, BUT ARE EXPECTED TO DRIFT VERY SLOWLY TO THE NORTHEAST. BECAUSE DAYTIME HEATING IS SUPPORTING THE THUNDERSTORMS, EXPECT THEM TO DECREASE THIS EARLY EVENING. OFTEN FOUND ASSOCIATED WITH THUNDERSTORMS, ARE GUSTY WINDS THAT MAY EXCEED OVER 35 MPH. THESE GUSTY WINDS MAY PRODUCE BLOWING SAND AND DUST WHICH CAN SUDDENLY REDUCE VISIBILITIES TO ZERO. STAY TUNED TO YOUR NOAA WEATHER RAJDIO OR FAVORITE LOCAL TV OR RADIO STATION FOR ANY UPDATES. JWS/1940Z
Special weather statement, Jul 18, 5:02 PM PDT, 1 hour 1 minute before
NVZ008-190400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NEVADA 502 PM PDT MON JUL 18 1994 ...THUNDERSTORMS DEVELOPING IN LINCOLN COUNTY... WEATHER RADAR AND LIGHTNING DETECTION SENSORS INDICATED SCATTERED THUNDERSTORMS OVER EASTERN AND SOUTHERN LINCOLN COUNTY. MOVEMENT WAS TOWARD THE SOUTHWEST AT 20 MPH. SOME OF THESE THUNDERSTORMS MAY PRODUCE STRONG GUSTY WINDS, DEADLY LIGHTNING, BRIEF HEAVY DOWNPOURS AND SMALL HAIL. ALL PERSONS ENGAGED IN OUTDOOR ACTIVITIES ACROSS LINCOLN COUNTY THROUGH THIS EVENING, SHOULD KEEP A WEATHER EYE TO THE SKY AND BE PREPARED TO MOVE TO A PLACE OF SAFETY SHOULD THUNDERSTORMS MOVE INTO YOUR AREA. REMEMBER...LIGHTNING MAY STRIKE SOME MILES AWAY FROM THE PARENT CLOUD. PRECAUTIONS SHOULD BE TAKEN EVEN THOUGH A THUNDERSTORM IS NOT DIRECTLY OVERHEAD. LISTEN TO NOAA WEATHER RADIO, COMMERCIAL TV AND RADIO FOR LATER STATEMENTS ANY FORECASTS. CHS/0005Z
Special weather statement, Jul 18, 5:06 PM PDT, 57 minutes before
NVZ008-190400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NEVADA 502 PM PDT MON JUL 18 1994 ...THUNDERSTORMS DEVELOPING IN LINCOLN COUNTY... WEATHER RADAR AND LIGHTNING DETECTION SENSORS INDICATED SCATTERED THUNDERSTORMS OVER EASTERN AND SOUTHERN LINCOLN COUNTY. MOVEMENT WAS TOWARD THE SOUTHWEST AT 20 MPH. SOME OF THESE THUNDERSTORMS MAY PRODUCE STRONG GUSTY WINDS, DEADLY LIGHTNING, BRIEF HEAVY DOWNPOURS AND SMALL HAIL. ALL PERSONS ENGAGED IN OUTDOOR ACTIVITIES ACROSS LINCOLN COUNTY THROUGH THIS EVENING, SHOULD KEEP A WEATHER EYE TO THE SKY AND BE PREPARED TO MOVE TO A PLACE OF SAFETY SHOULD THUNDERSTORMS MOVE INTO YOUR AREA. REMEMBER...LIGHTNING MAY STRIKE SOME MILES AWAY FROM THE PARENT CLOUD. PRECAUTIONS SHOULD BE TAKEN EVEN THOUGH A THUNDERSTORM IS NOT DIRECTLY OVERHEAD. LISTEN TO NOAA WEATHER RADIO, COMMERCIAL TV AND RADIO FOR LATER STATEMENTS ANY FORECASTS. CHS/0005Z
The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 18, 9:44 PM PDT | Flash Flood Warning | VEF | Clark | 2 hr |
| Jul 18, 9:44 PM PDT | Severe Thunderstorm Warning | VEF | Clark | 2 hr |
Nearby
Severe Thunderstorm Warnings in Nevada, 1994Every severe thunderstorm warning in 1994
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.