Alert archive / Nebraska / Tornado Warnings in 2000

Tornado Warning 36, NWS Omaha, NE

June 23, 2000Nemaha County, Otoe County, Nebraska

NWS Omaha, NE issued this tornado warning at Jun 23, 2000, 5:04 PM CDT for Nemaha County, Otoe County, Nebraska. It was in force for 26 min. 2 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 23, 2000, 5:04 PM CDT (22:04 UTC)
Expired: Jun 23, 2000, 5:30 PM CDT
In force: 26 min
Issued by: NWS Omaha, NE
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Nemaha County, NE, Otoe County, NE

The radar

The Omaha radar (KOAX), 95 km from the middle of the area, began a volume at 22:05 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 23, 5:15 PM CDT	Hail 1	Nebraska City, NE
Jun 23, 5:38 PM CDT	Thunderstorm Wind 57 E	Nebraska City, NE	Thunderstorm winds estimated at 65 mph downed power lines and knocked the power out for a while south of Nebraska City.

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 nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 10.1 hours before the alert went out and 95 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: 2896 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 210 m²/s²
0-3 km storm-relative helicity: 170 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.

774 
WFUS53 KOAX 232204
TOROMA
NEC127-131-232230-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE OMAHA NE
504 PM CDT FRI JUN 23 2000

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A

* TORNADO WARNING FOR...
  NEMAHA COUNTY IN SOUTHEAST NEBRASKA
  OTOE COUNTY IN SOUTHEAST NEBRASKA

* UNTIL 530 PM CDT

* AT 459 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 3 MILES NORTH OF BROCK...OR ABOUT 37 MILES NORTHWEST OF
  FALLS CITY...MOVING NORTHEAST AT 10 MPH.

* THE TORNADO IS EXPECTED TO BE...
  SOUTH OF NEBRASKA CITY AROUND 525 PM CDT

THIS IS A DANGEROUS SITUATION. ACT QUICKLY. IF YOU ARE IN THE PATH OF
THIS TORNADO GO BELOW GROUND LEVEL IF POSSIBLE. OTHERWISE GO TO A
SMALL INTERIOR ROOM ON THE LOWEST FLOOR OF THE BUILDING.

LAT...LON 4051 9605 4041 9594 4055 9577 4068 9586

SKERRITT

NNNN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 23, 4:09 PM CDT	Severe Thunderstorm Warning	OAX	Cass, Otoe	51 min
Jun 23, 4:52 PM CDT	Tornado Warning	OAX	Otoe	23 min
Jun 23, 5:29 PM CDT	Tornado Warning	OAX	Nemaha, Otoe	31 min
Jun 23, 5:55 PM CDT	Severe Thunderstorm Warning	OAX	Otoe	50 min
Jun 23, 5:58 PM CDT	Tornado Warning	OAX	Nemaha	32 min
Jun 23, 6:22 PM CDT	Severe Thunderstorm Warning	OAX	Cass	38 min
Jun 23, 6:27 PM CDT	Severe Thunderstorm Warning	OAX	Sarpy	48 min
Jun 23, 6:33 PM CDT	Severe Thunderstorm Warning	OAX	Nemaha	42 min
Jun 23, 6:40 PM CDT	Severe Thunderstorm Warning	OAX	Douglas	50 min
Jun 23, 6:50 PM CDT	Tornado Warning	OAX	Nemaha	25 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.