Alert archive / Nevada / Flash Flood Warnings in 1997
Flash Flood Warning 67, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Sep 3, 1997, 8:14 AM PDT for Clark County, Nevada. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Sep 3, 1997, 8:14 AM PDT (15:14 UTC)
- Expired
- Sep 3, 1997, 10:15 AM PDT
- In force
- 2 hr
- Issued by
- NWS Las Vegas, NV
- Area
- Whole counties
County Clark County, NV
The radar
The Las Vegas radar (KESX), 58 km from the middle of the area, began a volume at 15:16 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Mercury/Desert R, NV (KDRA), launched 12:00Z, 3.2 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
- 1037 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 113 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 031514
FFWLAS
NVC003-031715-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAS VEGAS NV
814 AM PDT WED SEP 3 1997
THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 1015 AM PDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS......
IN EXTREME SOUTHERN NEVADA
...EASTERN CLARK COUNTY
...INCLUDING BOULDER CITY...HENDERSON AND THE LAKE MEAD NATIONAL
RECREATION AREA
AN INTENSE THUNDERSTORM WITH VERY HEAVY RAIN WAS DETECTED BY RADAR
15 MILES SOUTHWEST OF BOULDER CITY...NEAR U.S HIGHWAY 95 AND STATE
ROUTE 165. MOVEMENT WAS TO THE NORTHEAST AT 15 TO 20 MPH.
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 G>ROUND.The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 2, 5:03 PM PDT | Severe Thunderstorm Warning | VEF | Clark | 57 min |
| Sep 2, 6:02 PM PDT | Severe Thunderstorm Warning | VEF | Clark | 58 min |
| Sep 2, 6:07 PM PDT | Severe Thunderstorm Warning | VEF | Nye | 68 min |
| Sep 2, 7:15 PM PDT | Flash Flood Warning | VEF | Nye | 2 hr |
| Sep 2, 9:16 PM PDT | Flash Flood Warning | VEF | Nye | 119 min |
| Sep 3, 7:01 AM PDT | Flash Flood Warning | VEF | Clark | 59 min |
| Sep 3, 7:01 AM PDT | Severe Thunderstorm Warning | VEF | Clark | 59 min |
| Sep 3, 8:52 AM PDT | Flash Flood Warning | VEF | Lincoln | 3 hr |
| Sep 3, 12:10 PM PDT | Flash Flood Warning | VEF | Clark, Nye | 2 hr |
| Sep 3, 1:52 PM PDT | Flash Flood Warning | VEF | Clark, Nye | 3 hr |
Nearby
Flash Flood Warnings in Nevada, 1997Every flash flood warning in 1997
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; radar from the NEXRAD Level II archive.