Alert archive / Nebraska / Tornado Warnings in 2000

Tornado Warning 63, NWS Omaha, NE

October 29, 2000Cass County, Nebraska

NWS Omaha, NE issued this tornado warning at Oct 29, 2000, 5:28 PM CST for Cass County, Nebraska. It was in force for 47 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: Oct 29, 2000, 5:28 PM CST (23:28 UTC)
Expired: Oct 29, 2000, 6:15 PM CST
In force: 47 min
Issued by: NWS Omaha, NE
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Cass County, NE

The radar

The Omaha radar (KOAX), 51 km from the middle of the area, began a volume at 23:30 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 nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 11.5 hours before the alert went out and 51 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: 656 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 12 m²/s²
0-3 km storm-relative helicity: 38 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 292329
TOROMA

NEC025-300015-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE OMAHA NE
528 PM CST SUN OCT 29 2000

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A

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

* UNTIL 615 PM CST

* AT 525 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 8 MILES SOUTH OF WEEPING WATER...OR ABOUT 26 MILES EAST OF
  LINCOLN...MOVING NORTH AT 35 MPH.

SOME LOCATIONS IN THE PATH OF THE TORNADO THROUGH 615 PM CST
  INCLUDE...WEEPING WATER...MANLEY...LOUISVILLE...

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.  THIS STORM HAS A HISTORY 
OF PRODUCING TORNADOES.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 PM CST SUNDAY EVENING FOR
EASTERN NEBRASKA.

LAT...LON 4080 9629 4081 9614 4102 9605 4099 9622

B SMITH

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 29, 3:57 PM CST	Tornado Warning	OAX	Gage	33 min
Oct 29, 4:00 PM CST	Severe Thunderstorm Warning	OAX	Boone	60 min
Oct 29, 4:43 PM CST	Severe Thunderstorm Warning	OAX	Butler	47 min
Oct 29, 4:47 PM CST	Tornado Warning	OAX	Boone	33 min
Oct 29, 4:56 PM CST	Severe Thunderstorm Warning	OAX	Otoe	34 min
Oct 29, 5:00 PM CST	Severe Thunderstorm Warning	OAX	Boone	30 min
Oct 29, 5:01 PM CST	Tornado Warning	OAX	Butler, Seward	44 min
Oct 29, 5:07 PM CST	Tornado Warning	OAX	Otoe	23 min
Oct 29, 5:13 PM CST	Tornado Warning	OAX	Platte	32 min
Oct 29, 5:43 PM CST	Severe Thunderstorm Warning	OAX	Lancaster	47 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.