Alert archive / Washington / Tornado Warnings in 2004

Tornado Warning 3, NWS Pendleton, OR

June 7, 2004Klickitat County, Washington

NWS Pendleton, OR issued this tornado warning at Jun 7, 2004, 4:48 PM PDT for Klickitat County, Washington. It was in force for 42 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
Jun 7, 2004, 4:48 PM PDT (23:48 UTC)
Expired
Jun 7, 2004, 5:30 PM PDT
In force
42 min
Issued by
NWS Pendleton, OR
Area
Counties, with a storm outline in the text

County Klickitat County, WA

The radar

The Pendleton radar (KPDT), 99 km from the middle of the area, began a volume at 23:51 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

Salem/Mcnary, OR (KSLE), launched 12:00Z, 11.8 hours before the alert went out and 257 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, Salem/Mcnary, OR at 12:00Z on 2004-06-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 13 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, Salem/Mcnary, OR at 12:00Z on 2004-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 5 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
-24 J/kg
Mixed-layer LCL
576 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
5 m²/s²
0-3 km storm-relative helicity
19 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.

389 
WFUS56 KPDT 072348
TORPDT
WAC039-080030-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PENDLETON OR
447 PM PDT MON JUN 7 2004

THE NATIONAL WEATHER SERVICE IN PENDLETON HAS ISSUED A

* TORNADO WARNING FOR...
  KLICKITAT COUNTY IN CENTRAL WASHINGTON

* UNTIL 530 PM PDT

* AT 445 PM PDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO OVER
  KLICKITAT COUNTY...ABOUT 15 MILES NORTHWEST OF BOARDMAN...MOVING
  WEST AT 10 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  RURAL KLICKITAT COUNTY AT 500 PM PDT

THIS IS A DANGEROUS SITUATION. IF YOU ARE IN THE PATH OF THE 
TORNADO...TAKE COVER IMMEDIATELY.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

LAT...LON 4603 12008 4593 12029 4584 12014 4590 11990
          4604 11989 4604 12004

$$

The office that day

Everything else NWS Pendleton, OR issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 7, 4:38 PM PDTSevere Thunderstorm WarningPDTKlickitat52 min

Nearby

Tornado Warnings in Washington, 2004Every tornado warning in 2004Tornadoes in 2004

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.