Alert archive / California / Tornado Warnings in 2000

Tornado Warning 1, NWS Sacramento, CA

July 5, 2000Glenn County, California

NWS Sacramento, CA issued this tornado warning at Jul 5, 2000, 4:57 PM PDT for Glenn County, California. It was in force for 33 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, 4:57 PM PDT (23:57 UTC)
Expired
Jul 5, 2000, 5:30 PM PDT
In force
33 min
Issued by
NWS Sacramento, CA
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Glenn County, CA

The nearest sounding before it

Oakland, CA (KOAK), launched 12:00Z, 12.0 hours before the alert went out and 210 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, Oakland, CA at 12:00Z on 2000-07-05Temperature 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, Oakland, CA at 12:00Z on 2000-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -51 square meters per square second.19395878Sfc1 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
649 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
-51 m²/s²
0-3 km storm-relative helicity
4 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 
WFUS56 KSTO 060001
TORSAC

CAC021-060030-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SACRAMENTO CA
457 PM PDT WED JUL 5 2000

THE NATIONAL WEATHER SERVICE IN SACRAMENTO HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL GLENN COUNTY IN CALIFORNIA

* VALID UNTIL 530 PM PDT

* AT 454 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A POSSIBLE TORNADO 6 MILES NORTHEAST OF STONEY GORGE RESERVOIR     
  ...OR ABOUT 15 MILES NORTHWEST OF WILLOWS...MOVING SOUTHEAST AT 5  
  MPH.

* SOME LOCATIONS AFFECTED BY THIS WARNING INCLUDE...  
    STONEY GORGE RESERVOIR 

*THE TORNADO WILL BE NEAR...
  STONEY GORGE RESERVOIR AROUND 5 TO 510 PM PDT

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

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

LAT...LON 3974 12239 3965 12259 3942 12244 3953 12219

The office that day

Everything else NWS Sacramento, CA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 4, 6:13 PM PDTSevere Thunderstorm WarningSTOShasta47 min
Jul 4, 6:55 PM PDTSevere Thunderstorm WarningSTOShasta, Tehama45 min
Jul 5, 4:27 PM PDTSevere Thunderstorm WarningSTOGlenn48 min

Nearby

Tornado Warnings in California, 2000Every tornado warning in 2000Tornadoes 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.