Alert archive / Nebraska / Tornado Warnings in 2000

Tornado Warning 40, NWS Omaha, NE

June 23, 2000Richardson County, Nebraska

NWS Omaha, NE issued this tornado warning at Jun 23, 2000, 7:05 PM CDT for Richardson County, Nebraska. It was in force for 25 min. No storm report in the archive falls 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.

The facts

Issued: Jun 23, 2000, 7:05 PM CDT (00:05 UTC)
Expired: Jun 23, 2000, 7:30 PM CDT
In force: 25 min
Issued by: NWS Omaha, NE
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Richardson County, NE

The radar

The Omaha radar (KOAX), 142 km from the middle of the area, began a volume at 00:07 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
Jun 23, 5:15 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 0.1 hours before the alert went out and 135 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: 3505 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 1240 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 38 m²/s²
0-3 km storm-relative helicity: 141 m²/s²
Significant tornado parameter: 0.7
Supercell composite: 15.3

Open this sounding in Storm Lab

The text

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

388 
WFUS53 KOAX 240005
TOROMA
NEC147-240030-

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

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN RICHARDSON COUNTY IN SOUTHEAST NEBRASKA

* UNTIL 730 PM CDT

* AT 701 PM CDT...RADAR INDICATED A THUNDERSTORM WITH STRONG ROTATION
  AND A POSSIBLE TORNADO 3 MILES NORTHEAST OF SHUBERT...OR ABOUT 14
  MILES NORTH OF FALLS CITY...MOVING SOUTHEAST AT 20 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 4028 9556 4022 9578 4000 9535 4027 9542

FOBERT

NNNN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 23, 7:37 PM CDT	Severe Thunderstorm Warning	OAX	Cass, Lancaster	38 min
Jun 23, 7:53 PM CDT	Severe Thunderstorm Warning	OAX	Richardson	52 min
Jun 23, 8:17 PM CDT	Severe Thunderstorm Warning	OAX	Cass	43 min
Jun 23, 8:44 PM CDT	Flash Flood Warning	OAX	Cass	6 hr
Jun 23, 8:56 PM CDT	Severe Thunderstorm Warning	OAX	Cedar, Knox	49 min
Jun 23, 8:59 PM CDT	Severe Thunderstorm Warning	OAX	Boone	46 min
Jun 23, 9:04 PM CDT	Severe Thunderstorm Warning	OAX	Madison, Platte	41 min
Jun 23, 9:23 PM CDT	Severe Thunderstorm Warning	OAX	Colfax	52 min
Jun 23, 9:42 PM CDT	Severe Thunderstorm Warning	OAX	Cedar	48 min
Jun 23, 9:48 PM CDT	Severe Thunderstorm Warning	OAX	Madison	42 min
Jun 23, 10:28 PM CDT	Flash Flood Warning	OAX	Nemaha, Otoe, Richardson	4 hr
Jun 23, 10:30 PM CDT	Flash Flood Warning	OAX	Madison	4 hr
Jun 24, 12:00 AM CDT	Severe Thunderstorm Warning	OAX	Butler	30 min
Jun 24, 1:28 AM CDT	Severe Thunderstorm Warning	OAX	Cedar	32 min
Jun 24, 2:33 AM CDT	Flash Flood Warning	OAX	Madison	4 hr

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.