Alert archive / California / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 16, NWS Reno, NV

July 5, 2000Lassen County, California

NWS Reno, NV issued this severe thunderstorm warning at Jul 5, 2000, 3:03 PM PDT for Lassen County, California. It was in force for 27 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
Jul 5, 2000, 3:03 PM PDT (22:03 UTC)
Expired
Jul 5, 2000, 3:30 PM PDT
In force
27 min
Issued by
NWS Reno, NV
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Lassen County, CA

The radar

The Medford radar (KMAX), 162 km from the middle of the area, began a volume at 22:04 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

Medford/Jackson, OR (KMFR), launched 12:00Z, 10.1 hours before the alert went out and 189 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, Medford/Jackson, OR at 12:00Z on 2000-07-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 25 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, Medford/Jackson, OR at 12:00Z on 2000-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 9 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
25 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
637 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
9 m²/s²
0-3 km storm-relative helicity
32 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 052206
SVRRNO
CAC035-052230-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE RENO NV
303 PM PDT WED JUL 5 2000

THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EXTREME NORTHWESTERN LASSEN COUNTY IN NORTHERN CALIFORNIA THIS     
  INCLUDES THE CITIES OF...BIEBER...NUBIEBER...PITTVILLE...

* UNTIL 330 PM PDT

* AT 300 PM PDT...A WEATHER SERVICE SPOTTER REPORTED A SEVERE        
  THUNDERSTORM NEAR PITTVILLE...OR ABOUT 6 MILES WEST OF             
  NUBIEBER...MOVING NORTHEAST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  3 MILES NORTHWEST OF NUBIEBER AT 315 PM PDT
  3 MILES NORTHWEST OF BIEBER AT 325 PM PDT

HAIL UP TO 1 INCH IN DIAMETER HAS BEEN REPORTED WITH THIS STORM. 
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 ENFORC:EMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN RENO.

LAT...LON 4107 12146 4094 12129 4118 12093 4134 12114

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 Jul 5, 1:45 PM PDT, 1 hour 18 minutes earlier.

Area forecast discussion, Jul 5, 1:45 PM PDT, 1 hour 18 minutes before
NORTHEAST CALIFORNIA AND WESTERN NEVADA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE RENO NV
145 PM PDT WED JUL 5 2000

SHORTWAVE ACROSS NRN CAL CAUSING ISOLATED STORMS ACROSS NORTHEAST CA
THIS AFTN. WL INCLUDE ISOLD/SLGT CHC MENTION OF TSTMS THIS EVE FROM
TAHOE NORTHWARD AS SHORTWAVE EXITS TO THE NORTHEAST. ANOTHER SHORTWAVE
DIVES SOUTHWARD INTO TROUGH ALONG PACIFIC COAST THU INTO FRI THEN
MOVES INTO INLAND CAL BY LATE FRI. BELIEVE THIS WL BE ENUFF TO KICKUP
AFTN AND EVE WINDS ON FRI WITH ONLY A SLGT CHC OF TSTMS ACRS NERN CA
AND NWRN NV WHERE BEST INSTABILITY WL LIE. SHORTWAVE KICKS IN SATURDAY
INTO SUNDAY SPARKING THE CHC FOR AFTN AND EVE TSTMS ACRS THE FORECAST
AREA. TEMPS WL STAY BELOW NORMAL THRU THE WEEKEND. PACIFIC TROUGH
WEAKENS AND RIDGE WL RETROGRADE WESTWARD CAUSING DRY CONDS WITH TEMPS
BACK NEAR NORMAL BY MONDAY. ADAMS
.REV...EASTERN CALIFORNIA...NONE.
       WESTERN NEVADA...NONE.

Nearby

Severe Thunderstorm Warnings in California, 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.