Alert archive / California / Tornado Warnings in 2003

Tornado Warning 4, NWS Sacramento, CA

November 9, 2003Glenn County, Tehama County, California

NWS Sacramento, CA issued this tornado warning at Nov 9, 2003, 2:18 PM PST for Glenn County, Tehama 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 as issued.

The facts

Issued
Nov 9, 2003, 2:18 PM PST (22:18 UTC)
Expired
Nov 9, 2003, 2:45 PM PST
In force
27 min
Issued by
NWS Sacramento, CA
Area
Counties, with a storm outline in the text

Counties Glenn County, CA, Tehama County, CA

The nearest sounding before it

Oakland, CA (KOAK), launched 12:00Z, 10.3 hours before the alert went out and 232 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 2003-11-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 456 joules per kilogram.LCLLFCEL10008507005003002001001 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 2003-11-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 147 square meters per square second.1939587897117136Sfc1 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
456 J/kg
Mixed-layer CIN
-32 J/kg
Mixed-layer LCL
726 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
147 m²/s²
0-3 km storm-relative helicity
182 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.8

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WFUS56 KSTO 092218
TORSTO
CAC021-103-092245-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SACRAMENTO CA
217 PM PST SUN NOV 9 2003

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN GLENN COUNTY IN CALIFORNIA
  SOUTH CENTRAL TEHAMA COUNTY IN CALIFORNIA

* VALID UNTIL 245 PM PST

* AT 215 PM PST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  A POSSIBLE TORNADO OVER EXTREME SOUTH CENTRAL TEHAMA COUNTY AND 
  EXTREME NORTHEAST GLENN COUNTY...OR  ABOUT 6 MILES NORTHEAST 
  OF ORLAND...MOVING NORTHEAST AT 15   MPH.

* SOME LOCATIONS AFFECTED BY THIS WARNING INCLUDE...RURAL AREAS 
  NORTHEAST OF ORLAND AND SOUTHEAST OF CORNING.

LAT...LON 3982 12228 3972 12211 3981 12202 3990 12215

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 9, 6:20 AM PSTSevere Thunderstorm WarningSTOButte, Yuba25 min
Nov 9, 12:39 PM PSTTornado WarningSTOSolano, Yolo31 min
Nov 9, 1:11 PM PSTSevere Thunderstorm WarningSTOSacramento, Solano, Yolo49 min
Nov 9, 1:21 PM PSTSevere Thunderstorm WarningSTOGlenn39 min
Nov 9, 1:50 PM PSTSevere Thunderstorm WarningSTOButte, Glenn, Tehama55 min
Nov 9, 2:02 PM PSTSevere Thunderstorm WarningSTOSacramento, Yolo43 min
Nov 9, 2:42 PM PSTSevere Thunderstorm WarningSTOSacramento, San Joaquin48 min
Nov 9, 2:48 PM PSTSevere Thunderstorm WarningSTOButte, Tehama32 min

Nearby

Tornado Warnings in California, 2003Every tornado warning in 2003Tornadoes in 2003

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.