Alert archive / Nebraska / Tornado Warnings in 2000

Tornado Warning 46, NWS Omaha, NE

June 25, 2000Cass County, Sarpy County, Saunders County, Nebraska

NWS Omaha, NE issued this tornado warning at Jun 25, 2000, 3:17 PM CDT for Cass County, Sarpy County, Saunders County, Nebraska. It was in force for 28 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 25, 2000, 3:17 PM CDT (20:17 UTC)
Expired: Jun 25, 2000, 3:45 PM CDT
In force: 28 min
Issued by: NWS Omaha, NE
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Cass County, NE, Sarpy County, NE, Saunders County, NE

The radar

The Omaha radar (KOAX), 16 km from the middle of the area, began a volume at 20:20 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 25, 3:18 PM CDT	Thunderstorm Wind 50 E	Colon, NE	Thunderstorm winds estimated at around 60 mph by a ham radio operator. The winds broke several large tree limbs between Colon and Wahoo.

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 25, 1:30 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 8.3 hours before the alert went out and 16 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: 371 J/kg
Mixed-layer CIN: -296 J/kg
Mixed-layer LCL: 1430 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 42 m²/s²
0-3 km storm-relative helicity: 47 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 252018
TOROMA
NEC025-153-155-252045-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE OMAHA NE
317 PM CDT SUN JUN 25 2000

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A

* TORNADO WARNING FOR...
  WESTERN SARPY COUNTY IN EAST CENTRAL NEBRASKA
  SOUTHEAST SAUNDERS COUNTY IN EAST CENTRAL NEBRASKA
  NORTHERN CASS COUNTY IN SOUTHEAST NEBRASKA

* UNTIL 345 PM CDT

* AT 315 PM CDT...RADAR INDICATED A THUNDERSTORM WITH STRONG ROTATION
  AND A POSSIBLE TORNADO 3 MILES NORTHWEST OF MEAD...OR ABOUT 27
  MILES WEST OF OMAHA...MOVING SOUTHEAST AT 40 MPH.

SOME LOCATIONS IN THE PATH OF THE TORNADO THROUGH 345 PM CDT
  INCLUDE...YUTAN...MEMPHIS...ASHLAND...GRETNA...SOUTH BEND...CEDAR
  CREEK...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.

A TOcRNADO WATCH REMAINS IN EFFECT UNTIL 800 PM CDT SUNDAY EVENING FOR
SOUTHWESTERN IOWA AND EASTERN NEBRASKA.

LAT...LON 4138 9655 4123 9668 4084 9622 4104 9598

FOBERT

NNNN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 25, 8:56 AM CDT	Severe Thunderstorm Warning	OAX	Otoe	34 min
Jun 25, 11:59 AM CDT	Severe Thunderstorm Warning	OAX	Thurston	31 min
Jun 25, 12:33 PM CDT	Severe Thunderstorm Warning	OAX	Thurston	27 min
Jun 25, 12:55 PM CDT	Flash Flood Warning	OAX	Thurston	4 hr
Jun 25, 12:56 PM CDT	Severe Thunderstorm Warning	OAX	Madison, Stanton	49 min
Jun 25, 1:09 PM CDT	Severe Thunderstorm Warning	OAX	Boone, Platte	51 min
Jun 25, 1:22 PM CDT	Tornado Warning	OAX	Platte	23 min
Jun 25, 1:44 PM CDT	Tornado Warning	OAX	Colfax, Platte	31 min
Jun 25, 1:47 PM CDT	Severe Thunderstorm Warning	OAX	Cedar, Knox	43 min
Jun 25, 2:02 PM CDT	Tornado Warning	OAX	Burt, Cuming	28 min
Jun 25, 2:07 PM CDT	Severe Thunderstorm Warning	OAX	Pierce	38 min
Jun 25, 2:14 PM CDT	Tornado Warning	OAX	Colfax, Platte	31 min
Jun 25, 2:34 PM CDT	Severe Thunderstorm Warning	OAX	Burt	41 min
Jun 25, 2:43 PM CDT	Tornado Warning	OAX	Colfax, Dodge	32 min
Jun 25, 3:00 PM CDT	Severe Thunderstorm Warning	OAX	Butler, Saunders	45 min
Jun 25, 3:31 PM CDT	Severe Thunderstorm Warning	OAX	Douglas	44 min
Jun 25, 3:45 PM CDT	Severe Thunderstorm Warning	OAX	Cass, Sarpy, Saunders	45 min
Jun 25, 4:03 PM CDT	Severe Thunderstorm Warning	OAX	Lancaster, Seward	27 min
Jun 25, 4:13 PM CDT	Flash Flood Warning	OAX	Dodge	4 hr
Jun 25, 4:22 PM CDT	Tornado Warning	OAX	Lancaster	23 min
Jun 25, 4:32 PM CDT	Severe Thunderstorm Warning	OAX	Otoe	43 min
Jun 25, 4:39 PM CDT	Severe Thunderstorm Warning	OAX	Saline	26 min
Jun 25, 4:45 PM CDT	Severe Thunderstorm Warning	OAX	Lancaster	30 min
Jun 25, 5:06 PM CDT	Flash Flood Warning	OAX	Thurston	6 hr
Jun 25, 5:13 PM CDT	Flash Flood Warning	OAX	Lancaster, Saline, Seward	4 hr
Jun 25, 5:17 PM CDT	Severe Thunderstorm Warning	OAX	Gage, Jefferson, Johnson	43 min
Jun 25, 5:29 PM CDT	Severe Thunderstorm Warning	OAX	Nemaha	46 min
Jun 25, 6:08 PM CDT	Flash Flood Warning	OAX	Otoe	4 hr
Jun 25, 6:47 PM CDT	Flash Flood Warning	OAX	Nemaha, Richardson	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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.