Alert archive / Nevada / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 20, NWS Reno, NV

August 2, 2000Lyon County, Storey County, Washoe County, Nevada

NWS Reno, NV issued this severe thunderstorm warning at Aug 2, 2000, 3:25 PM PDT for Lyon County, Storey County, Washoe County, Nevada. It was in force for 35 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued
Aug 2, 2000, 3:25 PM PDT (22:25 UTC)
Expired
Aug 2, 2000, 4:00 PM PDT
In force
35 min
Issued by
NWS Reno, NV
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Lyon County, NV, Storey County, NV, Washoe County, NV

The nearest sounding before it

Reno, NV (KREV), launched 12:00Z, 10.4 hours before the alert went out and 107 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, Reno, NV at 12:00Z on 2000-08-02Temperature 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, Reno, NV at 12:00Z on 2000-08-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 23 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
3450 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
23 m²/s²
0-3 km storm-relative helicity
23 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.

525 
WUUS55 KREV 022226
SVRRNO
NVC019-029-031-022300-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE RENO NV
325 PM PDT WED AUG 2 2000

THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN LYON COUNTY IN WESTERN NEVADA
  THIS INCLUDES THE TOWNS OF STAGECOACH AND FERNLEY
  STOREY COUNTY IN WESTERN NEVADA
  THIS INCLUDES THE TOWN OF VIRGINIA CITY
  SOUTHEASTERN WASHOE COUNTY IN WESTERN NEVADA

* UNTIL 400 PM PDT

* AT 318 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
  SEVERE THUNDERSTORM 10 MILES NORTHWEST OF STAGECOACH...OR ABOUT    
  13 MILES NORTHEAST OF VIRGINIA CITY...SHOWING LITTLE MOVEMENT.


THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD PREPARE
FOR DAMAGING WINDS IN EXCESS OF 55 MPH...LARGE HAIL...AND DEADLY
LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY
INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN RENO.

LAT...LON 3929 11966 3937 11912 3965 11915 3965 11961

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 Reno, NV wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 2, 3:00 PM PDT, 25 minutes earlier.

Area forecast discussion, Aug 2, 3:00 PM PDT, 25 minutes before
NORTHEAST CALIFORNIA AND WESTERN NEVADA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE RENO NV
300 PM PDT WED AUG 2 2000

A WEAK UPPER VORTICITY MAXIMUM IS MOVING NORTH OVER MONO COUNTY THIS
AFTERNOON WITH SCATTERED THUNDERSTORMS DEVELOPING NORTH OVER THE
SIERRA AND WEST CENTRAL NEVADA.  PRECIPITATION HAS BEEN LIGHT SO FAR
BUT LOCAL HEAVY SHOWERS AND DOWN BURST WINDS ARE POSSIBLE THROUGH AT
LEAST EARLY THIS EVENING IN ADVANCE OF THIS FEATURE.  THE BEST FOCUS
FOR THUNDERSTORMS THIS AFTERNOON AND EVENING IS IN THE SURFACE TROUGH
ACROSS CENTRAL NV WITH STORMS DECREASING AS THEY MOVE FURTHER NORTH
INTO NRN NV LATER THIS EVENING.  PARTIAL CLEARING OVERNIGHT AS THE
CONVECTIVE DEBRIS SLOWLY DISSIPATES.  SOUTHWEST FLOW ALOFT BRINGS A
LITTLE MORE STABLE AIR TO NE CA THURSDAY WHILE WRN NV REMAINS MOIST
AND UNSTABLE WITH SCATTERED DIURNAL THUNDERSTORMS.  BY FRIDAY...AN
INCREASING SOUTHWEST FLOW ALOFT TAPS LOWER LEVEL MOISTURE OFF THE W
COAST.  THIS AND A WEAK UPPER SHORT WAVE APPROACHING NRN CA BRINGS
A CHANCE OF THUNDERSTORMS TO NE CA FRIDAY.  LOWER LIFTED INDICES
SHIFT TO WEST CENTRAL AND NW NV WHILE THE SOUTHWEST FLOW DRIES THE
CENTRAL SIERRA.

OVER THE 3-5 DAY PERIOD AN UPPER LOW SETTLES SOUTH OFF CA BETWEEN A
HIGH 145W AND THE BROAD U.S. RIDGE TO THE EAST OF THE AREA.  THIS
BRINGS A DRIER AND COOLER SOUTHWEST FLOW TO WRN NV.  OSTERMAN.

.REV...EASTERN CALIFORNIA...NONE.
       WESTERN NEVADA...NONE.

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 1, 5:32 PM PDTSevere Thunderstorm WarningREVStorey, Washoe28 min

Nearby

Severe Thunderstorm Warnings in Nevada, 2000Every severe thunderstorm warning in 2000

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.