Alert archive / Nevada / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 27, NWS Reno, NV

August 3, 2000Churchill County, Pershing County, Washoe County, Nevada

NWS Reno, NV issued this severe thunderstorm warning at Aug 3, 2000, 3:55 PM PDT for Churchill County, Pershing County, Washoe County, Nevada. It was in force for 65 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 3, 2000, 3:55 PM PDT (22:55 UTC)
Expired: Aug 3, 2000, 5:00 PM PDT
In force: 65 min
Issued by: NWS Reno, NV
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Churchill County, NV, Pershing County, NV, Washoe County, NV

The radar

The Reno radar (KRGX), 33 km from the middle of the area, began a volume at 22:55 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Aug 3, 12:45 PM PDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Reno, NV (KREV), launched 12:00Z, 10.9 hours before the alert went out and 137 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 64 J/kg
Mixed-layer CIN: -237 J/kg
Mixed-layer LCL: 2445 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 15 m²/s²
0-3 km storm-relative helicity: 7 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 KREV 032258
SVRRNO
CAC035-091-NVC001-019-027-031-040000-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE RENO NV
355 PM PDT THU AUG 3 2000

THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EXTREME SOUTHEASTERN LASSEN COUNTY IN NORTHERN CALIFORNIA
  EXTREME NORTHEASTERN SIERRA COUNTY IN NORTHERN CALIFORNIA
  EXTREME NORTHWESTERN CHURCHILL COUNTY IN WEST CENTRAL NEVADA
  EXTREME SOUTHWESTERN PERSHING COUNTY IN WEST CENTRAL NEVADA
  EXTREME NORTH CENTRAL LYON COUNTY IN WESTERN NEVADA
  SOUTHERN WASHOE COUNTY IN WESTERN NEVADA
  THIS INCLUDES PYRAMID LAKE

* UNTIL 500 PM PDT

* AT 350 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR AND WEATHER 
  SPOTTERS INDICATED AN AREA OF SEVERE THUNDERSTORMS OVER CENTRAL    
  WASHOE COUNTY AND EASTERN LASSEN COUNTY. 

HAIL...INTENSE RAIN AND STRONG DAMAGING WINDS ARE LIKELY WITH THESE
STORMS. TAKE COVER IN A SUBSTANTIAL SHELTER UNTIL THE STORM PASSES.

THESE ARE DANGEROUS STORMS. IF YOU ARE THEIR 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 3965 12009 3960 11914 4050 11918 4051 12007

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 3, 2:35 PM PDT, 1 hour 20 minutes earlier.

Area forecast discussion, Aug 3, 2:35 PM PDT, 1 hour 20 minutes before

NORTHEAST CALIFORNIA AND WESTERN NEVADA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE RENO NV
235 PM PDT THU AUG 3 2000

WEAK PERTURBATIONS MOVING NORTHWARD AROUND RIDGE WILL CONTINUE TO
PRODUCE THUNDERSTORM ACTIVITY THROUGH THE EVENING HOURS. A TROUGH
APPROACHING THE PACIFIC COAST WILL CAUSE A TIGHTENING SOUTHWEST
GRADIENT WHICH WILL BRING IN DRIER AND MORE STABLE AIRMASS FOR FRIDAY
INTO SATURDAY OVER THE FORECAST AREA. 12Z AVN SHOWS A WEAK SHORTWAVE
MOVING THROUGH THE SOUTHWEST FLOW INTO NRN CA BY SATURDAY AFTN. SO WL
KEEP SLIGHT CHC MENTION ACRS XTRME NRN PTN OF FORECAST AREA FOR
SATURDAY. DO EXPECT SLIGHT COOLING TO ACCOMPANY THE WEAK SHORTWAVE.
SOUTHWEST FLOW WILL CONTINUE THE DRY CONDITIONS THROUGH MONDAY. BY
TUESDAY...MOIST SOUTHERLY FLOW RETURNS INTO SRN AND ERN PTNS OF
FORECAST AREA WITH TEMPS INCREASING BACK TO ABOVE NORMAL READINGS.
ADAMS

.REV...EASTERN CALIFORNIA...NONE.
       WESTERN NEVADA...SEVERE TSTM WATCH FOR PERSHING COUNTY
                        NVZ004 TIL 6PM.

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 3, 2:02 PM PDT	Severe Thunderstorm Warning	REV	Douglas	28 min
Aug 3, 2:56 PM PDT	Severe Thunderstorm Warning	REV	Douglas	34 min
Aug 3, 3:30 PM PDT	Severe Thunderstorm Warning	REV	Douglas	45 min
Aug 3, 3:30 PM PDT	Severe Thunderstorm Warning	REV	Washoe	45 min
Aug 3, 3:55 PM PDT	Severe Thunderstorm Warning	REV	Lyon	65 min
Aug 3, 4:38 PM PDT	Severe Thunderstorm Warning	REV	Douglas	37 min

Nearby

Severe Thunderstorm Warnings in Nevada, 2000 Every 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; radar from the NEXRAD Level II archive.