Alert archive / Nebraska / Tornado Warnings in 2004

Tornado Warning 48, NWS North Platte, NE

July 4, 2004Arthur County, Nebraska

NWS North Platte, NE issued this tornado warning at Jul 4, 2004, 4:09 PM MDT for Arthur County, Nebraska. It was in force for 36 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 4, 2004, 4:09 PM MDT (22:09 UTC)
Expired: Jul 4, 2004, 4:45 PM MDT
In force: 36 min
Issued by: NWS North Platte, NE
Area: Counties, with a storm outline in the text

County Arthur County, NE

The radar

The North Platte radar (KLNX), 106 km from the middle of the area, began a volume at 22:09 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 4, 1:15 PM MDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 10.2 hours before the alert went out and 110 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2357 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 52 m²/s²
0-3 km storm-relative helicity: 74 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 
WFUS53 KLBF 042209
TORLBF
NEC005-042245-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
409 PM MDT SUN JUL 4 2004

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* TORNADO WARNING FOR...
  ARTHUR COUNTY IN WEST CENTRAL NEBRASKA

* UNTIL 445 PM MDT

* AT 405 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 14 MILES
  SOUTHWEST OF ARTHUR...MOVING NORTHEAST AT 20 MPH.

* THE POSSIBLE TORNADO IS EXPECTED TO BE NEAR...
  ARTHUR AROUND 440 PM MDT

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 900 PM MDT SUNDAY
EVENING FOR WESTERN NEBRASKA.

LAT...LON 4172 10199 4140 10197 4140 10142 4173 10143

$$

KAR

The office that day

Everything else NWS North Platte, NE issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 3, 6:40 PM MDT	Severe Thunderstorm Warning	LBF	Keya Paha	65 min
Jul 3, 7:01 PM MDT	Severe Thunderstorm Warning	LBF	Holt	59 min
Jul 3, 7:14 PM MDT	Severe Thunderstorm Warning	LBF	Brown, Rock	61 min
Jul 4, 2:36 PM MDT	Severe Thunderstorm Warning	LBF	Sheridan	39 min
Jul 4, 3:14 PM MDT	Severe Thunderstorm Warning	LBF	Sheridan	61 min
Jul 4, 3:45 PM MDT	Severe Thunderstorm Warning	LBF	Keith	60 min
Jul 4, 3:58 PM MDT	Severe Thunderstorm Warning	LBF	Deuel	32 min
Jul 4, 4:29 PM MDT	Severe Thunderstorm Warning	LBF	Grant	61 min
Jul 4, 4:41 PM MDT	Severe Thunderstorm Warning	LBF	Cherry	64 min
Jul 4, 5:44 PM MDT	Severe Thunderstorm Warning	LBF	Cherry	61 min

Nearby

Tornado Warnings in Nebraska, 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.