Alert archive / Nevada / Flash Flood Warnings in 1988
Flash Flood Warning 3, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Aug 29, 1988, 7:03 PM PDT for Clark County, Nevada. It was in force for 117 min.
The area
The counties it named.
The facts
- Issued
- Aug 29, 1988, 7:03 PM PDT (02:03 UTC)
- Expired
- Aug 29, 1988, 9:00 PM PDT
- In force
- 117 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, 2.1 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
- 133 J/kg
- Mixed-layer CIN
- -96 J/kg
- Mixed-layer LCL
- 3180 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 23 m²/s²
- 0-3 km storm-relative helicity
- 61 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KLAS 300204
FFWLAS
AZC015-NVC003-300400-
BULLETIN - EBS ACTIVATION REQUESTED
SEVERE THUNDERSTORM AND FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAS VEGAS NV
703 PM PDT MON AUG 29 1988
THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 800 PM PDT
AND A FLASH FLOOD WARNING EFFECTIVE UNTIL 900 PM PDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN NORTHWEST ARIZONA
...MOHAVE
IN SOUTH NEVADA
...CLARK
AT 7 PM PDT THE NATIONAL PARKS SERVICE REPORTED 60 MPH WINDS AT ECHO
BAY AND AN INCH OF RAIN AT OVERTON BEACH. THE STORM IS MOVING INTO THE
LAS VEGAS AREA CAUSING WIDE-SPREAD AREAS OF BLOWING DUST.
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 WHERE3 WATER COVERS THE ROAD.
JBL/0205ZWhat 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
Special weather statement, Aug 29, 1:18 PM PDT, 5 hours 45 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS, NV 117 PM PDT MON AUG 29 1988 ...SCATTERED THUNDERSTORMS DEVELOPING OVER SOUTHERN NEVADA... LAS VEGAS RADAR SHOWED WIDELY SCATTERED THUNDERSTORMS BEGINNING TO DEVELOP OVER THE MOUNTAINS AND DESERTS OF SOUTHERN NEVADA. THUNDERSTORM ACTIVITY WILL GRADUALLY INCREASE THROUGH THIS AFTERNOON. SOME OF THESE THUNDERSTORMS MAY PRODUCE BRIEF HEAVY RAINS... STRONG GUSTY WINDS AND DANGEROUS LIGHTNING. PEOPLE ARE ADVISED TO EXERCISE CAUTION WITH THESE STORMS. IF YOU ARE OUTSIDE AND A THUNDERSTORM APPROACHES...SEEK SHELTER INDOORS. USE EXTRA CAUTION WHILE DRIVING THROUGH HEAVIER SHOWERS...AND AVOID FLOODED DIPS IN THE ROADWAYS. STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL TV OR RADIO FOR LATER STATMENTS. CHS/2018Z
Special weather statement, Aug 29, 4:27 PM PDT, 2 hours 36 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 426 PM PDT MON AUG 29 1988 ...SCATTERED THUNDERSTORMS OVER SOUTHERN NEVADA... LAS VEGAS RADAR SHOWED SCATTERED THUNDERSTORMS OVER THE MOUNTAINS AND DESERTS OF SOUTHERN NEVADA...SOUTHEASTERN CALIFORNIA AND NORTHWEST ARIZONA. LIGHTNING DETECTION DATA INDICATED THAT THE MOST ACTIVE STORM WAS SOUTH OF SANDY VALLEY IN THE MOUNTAIN PASS CALIFORNIA AREA ON I-15. LITTLE MOVEMENT WAS INDICATED ON THE STORMS. THUNDERSTORM ACTIVITY WILL GRADUALLY INCREASE THROUGH THE REST OF THIS AFTERNOON AND EVENING. SOME OF THESE THUNDERSTORMS MAY PRODUCE BRIEF HEAVY RAINS...STRONG GUSTY WINDS AND DANGEROUS LIGHTNING. PEOPLE ARE ADVISED TO EXERCISE CAUTION WITH THESE STORMS. IF YOU ARE OUTSIDE AND A THUNDERSTORM APPROACHES...SEEK SHELTER INDOORS. USE EXTRA CAUTION WHILE DRIVING THROUGH HEAVIER SHOWERS...AND DO NOT DRIVE THROUGH FLOODED SECTIONS OF ROADWAYS. BOATERS ON LAKE MEAD AND LAKE MOHAVE NEED TO BE ESPECIALLY CAUTIOUS WITH THESE STORMS SINCE A BOAT...AND THE PEOPLE IN THEM...MAKE EXCELLENT LIGHTNING RODS. LISTEN TO COMMERCIAL RADIO...TELEVISION OR NOAA WEATHER RADIO FOR LATER STATEMENTS ON THIS SITUATION. JBL/2328Z
The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 29, 7:03 PM PDT | Severe Thunderstorm Warning | VEF | Clark | 57 min |
Nearby
Flash Flood Warnings in Nevada, 1988Every flash flood warning in 1988
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.