Alert archive / Nevada / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 13, NWS Las Vegas, NV

July 14, 1996Clark County, Nevada

NWS Las Vegas, NV issued this severe thunderstorm warning at Jul 14, 1996, 3:33 PM PDT for Clark County, Nevada. It was in force for 57 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 14, 1996, 3:33 PM PDT (22:33 UTC)
Expired
Jul 14, 1996, 4:30 PM PDT
In force
57 min
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 22:37 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, 10.6 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.

Skew-T log-pSkew-T log-p diagram, Mercury/Desert R, NV at 12:00Z on 1996-07-14Temperature 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 12:00Z on 1996-07-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -8 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3186 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
-8 m²/s²
0-3 km storm-relative helicity
29 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Las Vegas, NV wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 14, 2:24 PM PDT, 1 hour 9 minutes earlier.

Area forecast discussion, Jul 14, 2:24 PM PDT, 1 hour 9 minutes before
MOJAVE DESERT/SOUTHERN GREAT BASIN AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAS VEGAS NV
225 PM PDT SUN JUL 14 1996

IT HAS BEEN A REALLY BUSY AFTERNOON ACRS THE CWA.  THE S/W OVR SAN
PROVIDED SOME CYCLONIC FLOW FOR AIDING THIS GULF SURGE.  PER COOR WITH
LAX...NICE COUPLET ON BOTH SIDES OF THE NV/CA BDR ALONG WITH THETA-E/H8
DP AXIS REALLY HELP BLOW UP THESE STORMS.  POSSIBLE SEE SOME ACTIVITY
OVR THE LAS VALLEY ITSELF THIS EVE WITH SURGE FROM OUTFLOW FROM
MCCOLLOUGH RANGE JUST SW OF LAS. THETA-E RDG REMAINS IN PLACE TMW WHICH
WL AID IN FURTHER DEVELOPMENT AGAIN OVR SRN NV...SRN CA AND NW AZ. SOME
DRYG TO OCCUR NW OF TPH WITH AID OF NRN CA S/W COMING IN.  PROBLY SEE
SOME LOCAL DIURNAL AFTN BREEZES WITH ENTRANCE OF TROF IN NRN PARTS OF
CWA.  OTRW SLOW DRYING IN LWR LVLS W TO E THROUGH EXNTDD.  LAS3121.
CORDERO

In the hours before

Special weather statement, Jul 14, 11:16 AM PDT, 4 hours 17 minutes before
NVZ008-009-AZZ002-003-CAZ019-142015-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
1117 AM PDT (1117 AM MST) SUN JUL 14 1996

...SHOWERS AND THUNDERSTORMS OCCURRING OVER CLARK COUNTY IN
NEVADA...SOUTHERN MOHAVE COUNTY IN ARIZONA AND SAN BERNANDINO COUNTY
IN CALIFORNIA...

1...IN EASTERN SAN BERNANDINO...AT 11 AM PDT LAS VEGAS WEATHER SERVICE
AND EDWARDS AIR FORCE DOPPLER RADAR INDICATED NUMEROUS LIGHT SHOWERS
ALONG AND SOUTH OF INTERSTATE 40.  SHOWERS EXTENDED FROM NEEDLES IN THE
COLORADO RIVER VALLEY TO JUST EAST OF THE BARSTOW-DAGGET AREA AND OVER
THE TWENTY NINE PALMS MARINE BASE.

2...IN MOHAVE COUNTY...LIGHT SHOWERS WERE EXTENDING FROM ALAMO LAKE TO
JUST NORTH OF PARKER DAM ALONG THE SOUTHERN BORDER OF THE COUNTY.

3...IN CLARK COUNTY...SHOWERS AND THUNDERSTORMS WERE DETECTED ALONG THE
SHEEP RANGE NEAR THE LINCOLN/CLARK COUNTY BORDER AND IN PORTIONS OF THE
SPRING MOUNTAINS RECREATION AREA.

WIDELY SCATTERED SHOWERS AND THUNDERSTORMS WILL CONTINUE ACROSS
SOUTHERN NEVADA...MOHAVE COUNTY IN ARIZONA AND SAN BERNANDINO IN
SOUTHERN CALIFORNIA THIS AFTERNOON.

ANY OF THE SHOWERS OR THUNDERSTORMS ACROSS SOUTHERN NEVADA
...MOHAVE COUNTY IN ARIZONA OR SAN BERNANDINO WILL BE CAPABLE OF
PRODUCING STRONG WIND GUSTS TO 50 MPH. FREQUENT LIGHTNING AND BRIEF
HEAVY SHOWERS MAY BE ENCOUNTERED WITH THESE STORMS. VISIBILITY MAY BE
REDUCED TO NEAR ZERO AT TIMES ON AREA ROADWAYS. PEOPLE TRAVELLING ALONG
I-15 NEAR THE CALIFORNIA AND NEVADA BORDER AND ALONG I-40 IN SAN
BERNANDINO SHOULD KEEP AN EXTRA CAUTIOUS EYE ON APPROACHING STORMS.
SOMETIMES THE PARENT SHOWER OR THUNDERSTORM CAN BE MILES AWAY.

LISTEN TO THIS STATION FOR FURTHER INFORMATION AND STATEMENT|S FROM
THE NATIONAL WEATHER SERVICE.

CORDERO

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 14, 11:51 AM PDTFlash Flood WarningVEFClark69 min
Jul 14, 11:51 AM PDTSevere Thunderstorm WarningVEFClark69 min
Jul 14, 1:54 PM PDTFlash Flood WarningVEFClark2 hr
Jul 14, 2:55 PM PDTSevere Thunderstorm WarningVEFClark65 min
Jul 14, 3:11 PM PDTFlash Flood WarningVEFClark64 min
Jul 14, 3:11 PM PDTSevere Thunderstorm WarningVEFClark64 min
Jul 14, 3:33 PM PDTFlash Flood WarningVEFClark57 min
Jul 14, 4:21 PM PDTFlash Flood WarningVEFClark2 hr
Jul 14, 4:21 PM PDTSevere Thunderstorm WarningVEFClark2 hr

Nearby

Severe Thunderstorm Warnings in Nevada, 1996Every severe thunderstorm 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.