Alert archive / Nevada / Flash Flood Warnings in 1996

Flash Flood Warning 21, NWS Las Vegas, NV

July 26, 1996Clark County, Lincoln County, Nevada

NWS Las Vegas, NV issued this flash flood warning at Jul 26, 1996, 8:17 PM PDT for Clark County, Lincoln County, Nevada. It was in force for 58 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 26, 1996, 8:17 PM PDT (03:17 UTC)
Expired
Jul 26, 1996, 9:15 PM PDT
In force
58 min
Issued by
NWS Las Vegas, NV
Area
Whole counties

Counties Clark County, NV, Lincoln County, NV

The radar

The Las Vegas radar (KESX), 137 km from the middle of the area, began a volume at 03:17 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 00:00Z, 3.3 hours before the alert went out and 100 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 1996-07-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1257 joules per kilogram.LCLLFCEL10008507005003002001001 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 1996-07-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 6 square meters per square second.1939Sfc1 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
1257 J/kg
Mixed-layer CIN
-54 J/kg
Mixed-layer LCL
3208 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
6 m²/s²
0-3 km storm-relative helicity
31 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 270323
FFWLAS
NVC003-017-270415-
 
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM AND FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAS VEGAS NV
817 PM PDT FRI JUL 26 1996
 
THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A
SEVERE THUNDERSTORM AND FLASH FLOOD WARNING
EFFECTIVE UNTIL  915 PM PDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN EXTREME SOUTHERN NEVADA
 
   ...EASTERN CLARK COUNTY
 
IN SOUTH CENTRAL NEVADA
 
   ...SOUTHERN LINCOLN COUNTY
 
AT 815 PM PDT...LAS VEGAS DOPPLER RADAR INDICATED A LINE OF SEVERE
THUNDERSTORMS WITH VERY HEAVY RAIN EXTENDING FROM NEAR ELGIN IN
SOUTHEAST LINCOLN COUNTY TO NEAR MESQUITE IN NORTHEAST CLARK COUNTY.
A SKYWARN SPOTTER IN MESQUITE REPORTED VERY HEAVY RAIN AND WINDS
GUSTING TO 40 MPH AT 815 PM PDT. THIS LINE OF THUNDERSTORMS WAS
MOVING AT 20 MPH.
 
THESE STORMS WILL AFFECT SOUTHEAST LINCOLN AND NORTHEAST CLARK
COUNTY INCLUDING OVERTON...LOGANDALE...THE MOAPA INDIAN RESERVATION
AND ADJACENT SECTIONS OF HIGHWAY 93 AND INTERSTATE 15.
 
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 WHERE WATER COVERS THE ROAD.
 
&
NEMETH

The office that day

Everything else NWS Las Vegas, NV issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 26, 8:17 PM PDTSevere Thunderstorm WarningVEFClark, Lincoln58 min
Jul 26, 8:36 PM PDTSevere Thunderstorm WarningVEFClark69 min
Jul 26, 9:22 PM PDTFlash Flood WarningVEFClark, Lincoln53 min
Jul 26, 9:22 PM PDTSevere Thunderstorm WarningVEFClark, Lincoln53 min
Jul 26, 10:05 PM PDTFlash Flood WarningVEFClark55 min
Jul 26, 11:04 PM PDTFlash Flood WarningVEFClark56 min
Jul 26, 11:04 PM PDTSevere Thunderstorm WarningVEFClark56 min

Nearby

Flash Flood Warnings in Nevada, 1996Every flash flood warning in 1996

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.