Alert archive / Nevada / Flash Flood Warnings in 1992
Flash Flood Warning 11, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Aug 30, 1992, 7:24 PM PDT for Clark County, Nevada. It was in force for 66 min.
The area
The counties it named.
The facts
- Issued
- Aug 30, 1992, 7:24 PM PDT (02:24 UTC)
- Expired
- Aug 30, 1992, 8:30 PM PDT
- In force
- 66 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, 2.4 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 3096 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 54 m²/s²
- 0-3 km storm-relative helicity
- 101 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 310226 FFWLAS NVC003-310330- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE LAS VEGAS NV 724 PM PDT SUN AUG 30 1992 THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 830 PM PDT FOR PEOPLE IN THE FOLLOWING LOCATIONS...... IN SOUTH NEVADA ...NORTHEASTERN CLARK COUNTY A FLASH FLOOD WARNING HAS BEEN ISSUED FOR NORTHEAST CLARK COUNTY. LAS VEGAS METRO REPORTED AT 723PM THAT STATE HIGHWAY 169 FROM THE OVERTON ARM AND VALLEY OF FIRE HAS BEEN FLOODING. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED...ACT QUICKLY. MOVE UP TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND. MOST DEATHS IN FLASH FLOODING OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. EHB/0225Z
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Local storm report, Aug 30, 3:05 PM PDT, 4 hours 19 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE LAS VEGAS NV
305 PM PDT SUN AUG 30 1992
TIME EVENT
1225 TO 1230 HENDERSON POLICE DEPARTMENT AND SEVERAL WEATHER SPOTTERS
PDT REPORT HEAVY RAIN...STRONG GUSTY WINDS...HAIL AND STREET
FLOODING IN HENDERSON NEVADA.
1247 PDT WEATHER FORECASTER AT NELLIS AFB RELAYS REPORT OF WIND
GUSTS ESTIMATED IN EXCESS OF 60 MPH IN HENDERSON NEVADA.
1250 PDT NATIONAL PARK SERVICE DISPATCHER REPORTS 1/2 TO 1 INCH
HAIL AND STRONG GUSTY WINDS AT BOULDER BEACH AND LAS VEGAS
WASH IN THE LAKE MEAD NATIONAL RECREATION AREA.
1326 PDT NATIONAL PARK SERVICE DISPATCHER REPORTS FLOODIN0G AT LAS
VEGAS WASH IN THE LAKE MEAD NATIONAL RECREATION AREA.
DJR/2205ZNearby
Flash Flood Warnings in Nevada, 1992Every flash flood warning in 1992
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.