Alert archive / California / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 30, NWS Reno, NV

August 3, 2000Alpine County, Mono County, California; Douglas County, Nevada

NWS Reno, NV issued this severe thunderstorm warning at Aug 3, 2000, 4:38 PM PDT for Alpine County, Mono County, California; Douglas County, Nevada. It was in force for 37 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, 4:38 PM PDT (23:38 UTC)
Expired
Aug 3, 2000, 5:15 PM PDT
In force
37 min
Issued by
NWS Reno, NV
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Alpine County, CA, Mono County, CA, Douglas County, NV

The radar

The Reno radar (KRGX), 130 km from the middle of the area, began a volume at 23:41 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

Reno, NV (KREV), launched 12:00Z, 11.6 hours before the alert went out and 174 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 2000-08-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 64 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, Reno, NV at 12:00Z on 2000-08-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 15 square meters per square second.193958Sfc1 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
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 032340
SVRRNO
CAC003-051-NVC005-040015-

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

THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN ALPINE COUNTY IN CENTRAL CALIFORNIA
  THIS INCLUDES THE CITIES OF...MARKLEEVILLE
  EXTREME NORTHWESTERN MONO COUNTY IN CENTRAL CALIFORNIA   
  CENTRAL DOUGLAS COUNTY IN WESTERN NEVADA

* UNTIL 515 PM PDT

* AT 436 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM NEAR GROVER HOT SPRINGS STATE PARK...OR ABOUT 5
  MILES SOUTH OF MARKLEEVILLE...MOVING NORTHEAST AT 15 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  2 MILES SOUTHEAST OF MARKLEEVILLE AT 450 PM PDT
  8 MILES SOUTHEAST OF WOODFORDS AT 455 PM PDT


VERY LARGE HAIL IS POSSIBLE WITH THIS SEVERE THUNDERSTORM. IF YOU ARE
IN THE PATH OF THE STORM...PUT YOUR CAR IN A GARAGE AND MOVE TO A
SUBSTANTIAL SHELTER.

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 3863 11997 3851 11981 3870 11944 3p892 11973

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, 2 hours 3 minutes earlier.

Area forecast discussion, Aug 3, 2:35 PM PDT, 2 hours 3 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.

IssuedProductOfficeCountiesLasted
Aug 3, 2:33 PM PDTSevere Thunderstorm WarningREVEl Dorado27 min
Aug 3, 2:56 PM PDTSevere Thunderstorm WarningREVAlpine, El Dorado34 min
Aug 3, 3:30 PM PDTSevere Thunderstorm WarningREVEl Dorado, Placer45 min
Aug 3, 3:50 PM PDTSevere Thunderstorm WarningREVMono40 min
Aug 3, 3:55 PM PDTSevere Thunderstorm WarningREVLassen, Sierra65 min
Aug 3, 2:02 PM PDTSevere Thunderstorm WarningREVDouglas28 min
Aug 3, 3:30 PM PDTSevere Thunderstorm WarningREVWashoe45 min
Aug 3, 3:55 PM PDTSevere Thunderstorm WarningREVChurchill, Pershing, Washoe65 min
Aug 3, 3:55 PM PDTSevere Thunderstorm WarningREVLyon65 min

Nearby

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