Alert archive / California / Tornado Warnings in 2002

Tornado Warning 3, NWS Sacramento, CA

March 23, 2002Colusa County, Glenn County, California

NWS Sacramento, CA issued this tornado warning at Mar 23, 2002, 5:21 PM PST for Colusa County, Glenn County, California. It was in force for 24 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Mar 23, 2002, 5:21 PM PST (01:21 UTC)
Expired
Mar 23, 2002, 5:45 PM PST
In force
24 min
Issued by
NWS Sacramento, CA
Area
Counties, with a storm outline in the text

Counties Colusa County, CA, Glenn County, CA

The nearest sounding before it

Oakland, CA (KOAK), launched 00:00Z, 1.4 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, Oakland, CA at 00:00Z on 2002-03-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 13 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 2002-03-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 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
13 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
810 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
70 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 240121
TORSAC
CAC011-021-240145-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SACRAMENTO CA
520 PM PST SAT MAR 23 2002

THE NATIONAL WEATHER SERVICE HAS EXTENED A

* TORNADO WARNING FOR...
  EAST CENTRAL GLENN COUNTY AND NORTHEAST COLUSA IN CALIFORNIA

* VALID UNTIL 545 PM PST

AT 515 PM PST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
POSSIBLE TORNADO OVER EXTREME SOUTHEASTERN GLENN COUNTY...OR ABOUT 
14 MILES SOUTHEAST OF WILLOWS NEAR PRINCETON...OR ALONG STATE ROUTE 
45 AND THE BORDER OF COLUSA COUNTY. MOVING SOUTH AT 5 MPH. 

IN ADDITION RADAR INDICATES INTENSE RAIN THAT MAY FLOOD ROADWAYS AND 
POSSIBLE LARGE HAIL.

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

LAT...LON 3947 12194 3948 12205 3935 12201 3935 12193

$$
RB

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 23, 4:44 PM PSTTornado WarningSTOGlenn31 min

Nearby

Tornado Warnings in California, 2002Every tornado warning in 2002Tornadoes in 2002

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.