Alert archive / Nevada / Flash Flood Warnings in 1989

Flash Flood Warning 13, NWS Las Vegas, NV

August 18, 1989Lincoln County, Nevada

NWS Las Vegas, NV issued this flash flood warning at Aug 18, 1989, 11:19 PM PDT for Lincoln County, Nevada. It was in force for 116 min.

The area

The counties it named.

The facts

Issued
Aug 18, 1989, 11:19 PM PDT (06:19 UTC)
Expired
Aug 19, 1989, 1:15 AM PDT
In force
116 min
Issued by
NWS Las Vegas, NV
Area
Whole counties

County Lincoln 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, 6.3 hours before the alert went out and 151 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.

Skew-T log-pSkew-T log-p diagram, Mercury/Desert R, NV at 00:00Z on 1989-08-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Mercury/Desert R, NV at 00:00Z on 1989-08-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3666 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
30 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KLAS 190621 RRA
FFWLAS
NVC017-190815-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAS VEGAS NV
1119 PM PDT FRI AUG 18 1989
 
THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  115 AM PDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN SOUTH CENTRAL NEVADA
          ...NORTHEASTERN LINCOLN
 
A STATIONARY THUNDERSTORM WAS OVER PIOCHE NV IN NORTHEAST LINCOLN
COUNTY. THE SHERIFFS OFFICE AT PIOCHE NV REPORTED HEAVY RAIN THE PAST
HOUR AND ROADS WERE COVERED WITH WATER.
 
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 IMMINENT.  IT'S
IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR
CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS.  CAMPERS SHOULD
AVOID CAMPING ALONG STREAMS OR CREEKS DURING THREATENING RAINS.
DODD/0620Z

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

Special weather statement, Aug 18, 10:14 PM PDT, 1 hour 5 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS, NV
1009 PM PDT FRI AUG 18 1989

...A THUNDERSTORM HAVE DEVELPED OVER NORTHEAST LINCOLN COUNTY IN
   SOUTHERN NEVADA...

LATEST RADAR AND LIGHTNING DETECTION SYSTEMS INDICATE A THUNDERSTORM
WAS OVER NORTHEAST LINCOLN COUNTY. AT 1005 PM THE SHERIFFS OFFICE AT
PIOCHE REPORTED PEA SIZED HAIL AND A RAINSHOWER.

HEAVY RAIN..GUSTY WINDS TO 45 MILES AN HOUR..FREQUENT LIGHTNING AND
SMALL HAIL CAN BE EXPECTED FROM THIS THUNDERSTORM AS IT MOVES TO THE
NORTHEAST FROM PIOCHE.

MOTORISTS TRAVELING ON HIGHWAY 93 GOING NORTH FROM PIOCHE SHOULD BE
AWARE OF THIS THUNDERSTORM AND PLAN ACCORDINLY.
DODD/0512Z
Local storm report, Aug 18, 10:20 PM PDT, 59 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE LAS VEGAS, NV
1017 PM PDT FRI AUG 18 1989

TIME PDT      EVENT
1005 PM       SHEFIFFS OFFICE AT PIOCHE NV IN NORTHEAST LINCOLN COUNTY
              REPORTED PEA SIZED HAIN AND A RAINSHOWER.

DODD/0519Z

Nearby

Flash Flood Warnings in Nevada, 1989Every flash flood warning in 1989

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.