Alert archive / Nebraska / Tornado Warnings in 2000

Tornado Warning 38, NWS Omaha, NE

June 23, 2000Nemaha County, Nebraska

NWS Omaha, NE issued this tornado warning at Jun 23, 2000, 5:58 PM CDT for Nemaha County, Nebraska. It was in force for 32 min. 1 report 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, 5:58 PM CDT (22:58 UTC)
Expired: Jun 23, 2000, 6:30 PM CDT
In force: 32 min
Issued by: NWS Omaha, NE
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Nemaha County, NE

The radar

The Omaha radar (KOAX), 108 km from the middle of the area, began a volume at 22:57 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, 6:39 PM CDT	Hail 0.88	Auburn, NE

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 23, 5:15 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 11.0 hours before the alert went out and 108 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.

929 
WFUS53 KOAX 232259
TOROMA
NEC127-232330-

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

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A

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

* UNTIL 630 PM CDT

* AT 555 PM CDT...LAW ENFORCEMENT OFFICIALS REPORTED A TORNADO 5   
MILES SOUTHWEST OF PERU...OR ABOUT 29 MILES NORTHWEST OF FALLS   
CITY...MOVING SOUTH AT 5 TO 10 MPH.

IF YOU ARE IN THE PATH OF A TORNADO...GO TO A BASEMENT. IF A BASEMENT
IS NOT AVAILABLE...TAKE COVER IN AN INTERIOR ROOM ON THE LOWEST LEVEL
OF YOUR HOME OR BUSINESS. AVOID WINDOWS.

LAT...LON 4053 9584 4046 9605 4026 9600 4031 9566

FOBERT

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, 5:04 PM CDT	Tornado Warning	OAX	Nemaha, Otoe	26 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, 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.