Alert archive / Nebraska / Tornado Warnings in 2004

Tornado Warning 55, NWS North Platte, NE

July 12, 2004Holt County, Nebraska

NWS North Platte, NE issued this tornado warning at Jul 12, 2004, 6:18 PM CDT for Holt County, Nebraska. It was in force for 42 min. 6 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jul 12, 2004, 6:18 PM CDT (23:18 UTC)
Expired: Jul 12, 2004, 7:00 PM CDT
In force: 42 min
Issued by: NWS North Platte, NE
Area: Counties, with a storm outline in the text

County Holt County, NE

The radar

The North Platte radar (KLNX), 175 km from the middle of the area, began a volume at 23:22 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.

What was reported inside it

Time	Report	Where	Remark
Jul 12, 6:36 PM CDT	FUNNEL CLOUD	Chambers, NE	FUNNEL CLOUDS NOT IN CONTACT WITH GROUND.
Jul 12, 6:36 PM CDT	FUNNEL CLOUD	Chambers, NE	FUNNEL CLOUDS NOT IN CONTACT WITH GROUND.
Jul 12, 6:50 PM CDT	FUNNEL CLOUD	9 S Ewing, NE	FUNNEL CLOUD NOT IN CONTACT WITH GROUND MOVING SE STILL WEST OF 45B SPUR.
Jul 12, 6:50 PM CDT	FUNNEL CLOUD	9 S Ewing, NE	FUNNEL CLOUD NOT IN CONTACT WITH GROUND MOVING SE STILL WEST OF 45B SPUR.
Jul 12, 7:10 PM CDT	TORNADO	S Chambers, NE	2 TORNADOES REPORTED NEAR FOXLYS FEEDLOT
Jul 12, 7:10 PM CDT	TORNADO	S Chambers, NE	2 TORNADOES REPORTED NEAR FOXLYS FEEDLOT

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

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 12, 3:25 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 11.3 hours before the alert went out and 224 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: 1581 J/kg
Mixed-layer CIN: -248 J/kg
Mixed-layer LCL: 1208 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 27 m²/s²
0-3 km storm-relative helicity: 19 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KLBF 122318
TORLBF
NEC089-130000-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
618 PM CDT MON JUL 12 2004

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* TORNADO WARNING FOR...
  HOLT COUNTY IN NORTH CENTRAL NEBRASKA

* UNTIL 700 PM CDT

* AT 612 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 9 MILES NORTH OF
  CHAMBERS...OR ABOUT 10 MILES SOUTH OF ONEILL...MOVING SOUTH AT 15
  MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  CHAMBERS AROUND 640 PM CDT

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.

LAT...LON 4275 9833 4278 9886 4209 9907 4209 9830

$$

KAR

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 12, 4:00 PM CDT	Severe Thunderstorm Warning	LBF	Boyd	60 min
Jul 12, 4:08 PM CDT	Tornado Warning	LBF	Boyd	52 min
Jul 12, 4:57 PM CDT	Severe Thunderstorm Warning	LBF	Holt	63 min
Jul 12, 4:58 PM CDT	Tornado Warning	LBF	Boyd	62 min
Jul 12, 5:56 PM CDT	Severe Thunderstorm Warning	LBF	Holt	64 min
Jul 12, 5:59 PM CDT	Severe Thunderstorm Warning	LBF	Boyd	61 min
Jul 12, 6:40 PM CDT	Severe Thunderstorm Warning	LBF	Wheeler	65 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.