Alert archive / Nebraska / Tornado Warnings in 2000

Tornado Warning 11, NWS Omaha, NE

June 3, 2000Antelope County, Knox County, Nebraska

NWS Omaha, NE issued this tornado warning at Jun 3, 2000, 8:28 PM CDT for Antelope County, Knox County, Nebraska. It was in force for 32 min. 3 reports came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued: Jun 3, 2000, 8:28 PM CDT (01:28 UTC)
Expired: Jun 3, 2000, 9:00 PM CDT
In force: 32 min
Issued by: NWS Omaha, NE
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Antelope County, NE, Knox County, NE

The radar

The Sioux Falls radar (KFSD), 171 km from the middle of the area, began a volume at 01:29 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
Jun 3, 8:32 PM CDT	Hail 1.25	Creighton, NE
Jun 3, 8:36 PM CDT	Hail 1.75	Verdigre, NE
Jun 3, 8:58 PM CDT	Tornado F0	Royal, NE	Brief touchdown in open country. The tornado picked up dust but caused no damage.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

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

Issued	Product	Office	Lasted
Jun 3, 6:30 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 1.5 hours before the alert went out and 195 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: 2210 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 85 m²/s²
0-3 km storm-relative helicity: 362 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 KOAX 040128
TOROMA
NEC003-107-040200-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE OMAHA NE
828 PM CDT SAT JUN 3 2000

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN ANTELOPE COUNTY IN NORTHEAST NEBRASKA
  SOUTHERN KNOX COUNTY IN NORTHEAST NEBRASKA

* UNTIL 900 PM CDT

* AT 825 PM CDT...RADAR INDICATED A THUNDERSTORM WITH STRONG ROTATION
  AND A POSSIBLE TORNADO 12 MILES NORTH OF ORCHARD...OR ABOUT 21
  MILES EAST OF O'NEILL...MOVING SOUTHEAST AT 30 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  ORCHARD...WINNETOON AROUND 840 PM CDT
  CREIGHTON AROUND 850 PM CDT

THIS REPLACES THE SEVERE THUNDERSTORM WARNING PREVIOUSLY ISSUED FOR
THE WARNED AREA.

LAT...LON 4252 9834 4229 9830 4240 9784 4260 9798

SKERRITT

NNNN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 3, 7:23 PM CDT	Severe Thunderstorm Warning	OAX	Knox	52 min
Jun 3, 8:14 PM CDT	Severe Thunderstorm Warning	OAX	Antelope, Knox	46 min
Jun 3, 8:48 PM CDT	Severe Thunderstorm Warning	OAX	Cedar, Wayne	42 min
Jun 3, 9:00 PM CDT	Tornado Warning	OAX	Antelope	30 min
Jun 3, 9:13 PM CDT	Tornado Warning	OAX	Pierce	32 min
Jun 3, 9:35 PM CDT	Severe Thunderstorm Warning	OAX	Madison	55 min
Jun 3, 9:39 PM CDT	Severe Thunderstorm Warning	OAX	Antelope, Knox	66 min
Jun 3, 10:02 PM CDT	Severe Thunderstorm Warning	OAX	Pierce	58 min
Jun 3, 10:25 PM CDT	Tornado Warning	OAX	Madison, Pierce	50 min
Jun 3, 11:13 PM CDT	Tornado Warning	OAX	Madison, Platte	32 min
Jun 4, 1:32 AM CDT	Severe Thunderstorm Warning	OAX	Cedar	43 min

Nearby

Tornado Warnings in Nebraska, 2000 Every tornado warning in 2000 Tornadoes in 2000

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.