Alert archive / Idaho / Tornado Warnings in 2004

Tornado Warning 4, NWS Spokane, WA

July 19, 2004Lewis County, Idaho

NWS Spokane, WA issued this tornado warning at Jul 19, 2004, 7:04 PM PDT for Lewis County, Idaho. It was in force for 26 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: Jul 19, 2004, 7:04 PM PDT (02:04 UTC)
Expired: Jul 19, 2004, 7:30 PM PDT
In force: 26 min
Issued by: NWS Spokane, WA
Area: Counties, with a storm outline in the text

County Lewis County, ID

The radar

The Spokane radar (KOTX), 178 km from the middle of the area, began a volume at 02:04 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jul 19, 3:15 PM PDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Spokane, WA (KOTX), launched 00:00Z, 2.1 hours before the alert went out and 154 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 161 J/kg
Mixed-layer CIN: -25 J/kg
Mixed-layer LCL: 2014 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 6 m²/s²
0-3 km storm-relative helicity: 50 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 KOTX 200204
TOROTX
IDC061-200230-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SPOKANE WA
703 PM PDT MON JUL 19 2004

THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN LEWIS COUNTY IN NORTH CENTRAL IDAHO

* UNTIL 730 PM PDT

* AT 700 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR
  CRAIGMONT...OR ABOUT 16 MILES SOUTHEAST OF LAPWAI...MOVING
  NORTHEAST AT 5 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
   CRAIGMONT BY 715 PM PDT

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

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.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM PDT
MONDAY EVENING FOR NORTHWESTERN IDAHO AND SOUTHEASTERN WASHINGTON.

LAT...LON 4631 11664 4631 11649 4634 11647 4634 11637
      4645 11636 4639 11630 4639 11619 4632 11613
      4627 11616 4618 11648 4618 11652

$$

MJF

Nearby

Tornado Warnings in Idaho, 2004 Every tornado warning in 2004 Tornadoes 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.