Alert archive / Arizona / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 2, NWS Las Vegas, NV

July 17, 2003Mohave County, Arizona; Clark County, Nevada

NWS Las Vegas, NV issued this severe thunderstorm warning at Jul 17, 2003, 4:06 PM MST for Mohave County, Arizona; Clark County, Nevada. It was in force for 54 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 17, 2003, 4:06 PM MST (23:06 UTC)
Expired
Jul 17, 2003, 5:00 PM MST
In force
54 min
Issued by
NWS Las Vegas, NV
Area
Counties, with a storm outline in the text

Counties Mohave County, AZ, Clark County, NV

The nearest sounding before it

Mercury/Desert R, NV (KDRA), launched 12:00Z, 11.1 hours before the alert went out and 190 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 2003-07-17Temperature 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°0°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 2003-07-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 18 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
3804 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
18 m²/s²
0-3 km storm-relative helicity
22 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 
WUUS55 KVEF 172306
SVRVEF
AZC015-NVC003-180000-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LAS VEGAS NV
405 PM MST THU JUL 17 2003

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WEST CENTRAL MOHAVE COUNTY IN NORTHWEST ARIZONA
  SOUTHEASTERN CLARK COUNTY IN SOUTHERN NEVADA

* UNTIL 500 PM MST(500 PM PDT)

* AT 403 PM MST(403 PM PDT)...NATIONAL WEATHER SERVICE DOPPLER 
  RADAR INDICATED A SEVERE THUNDERSTORM 11 MILES SOUTH OF 
  MEADVIEW...MOVING WEST AT 30 MPH. THIS STORM HAS A HISTORY OF
  PRODUCING SEVERE WINDS...AND RADAR SHOWS STRONG INDICATIONS OF 60 
  TO 70 MPH WINDS OCCURRING.

* THE SEVERE THUNDERSTORM WILL BE...
  NEAR MEADVIEW AT 410 PM MST
  NEAR SOUTH COVE AT 415 PM MST
  NEAR COTTONWOOD COVE AT 450 PM PDT
  NEAR CALLVILLE BAY AT 500 PM PDT

IF YOU ARE CAUGHT OUTSIDE...MOVE TO A PLACE OF SAFETY SUCH AS A
NEARBY SHELTER OR BUILDING. BOATERS ON AREA LAKES SHOULD SEEK SAFE
PORT IMMEDIATELY. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...AND
DEADLY LIGHTNING ARE ALL LIKELY.

LAT...LON 3511 11417 3564 11405 3608 11379 3625 11407
          3615 11476 3533 11471

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 17, 3:26 PM MSTSevere Thunderstorm WarningVEFMohave34 min

Nearby

Severe Thunderstorm Warnings in Arizona, 2003Severe Thunderstorm Warnings in Nevada, 2003Every severe thunderstorm warning in 2003

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.