Alert archive / Nebraska / Tornado Warnings in 1998
Tornado Warning 67, NWS Omaha, NE
NWS Omaha, NE issued this tornado warning at Jun 29, 1998, 11:29 AM CDT for Cuming County, Thurston County, Nebraska. It was in force for 46 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jun 29, 1998, 11:29 AM CDT (16:29 UTC)
- Expired
- Jun 29, 1998, 12:15 PM CDT
- In force
- 46 min
- Issued by
- NWS Omaha, NE
- Area
- Whole counties
Counties Cuming County, NE, Thurston County, NE
The radar
The Omaha radar (KOAX), 83 km from the middle of the area, began a volume at 16:28 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 29, 11:45 AM CDT | Thunderstorm Wind 65 | Pender, 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 29, 11:15 AM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Omaha, NE (KOAX), launched 12:00Z, 4.5 hours before the alert went out and 83 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.
- Mixed-layer CAPE
- 2006 J/kg
- Mixed-layer CIN
- -188 J/kg
- Mixed-layer LCL
- 850 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 71 m²/s²
- 0-3 km storm-relative helicity
- 154 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KOMA 291629 RRA TOROMA NEC039-173-291715- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 1129 AM CDT MON JUN 29 1998 THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A * TORNADO WARNING FOR... THURSTON COUNTY IN NORTHEASTERN NEBRASKA NORTHERN CUMING COUNTY IN NORTHEASTERN NEBRASKA * UNTIL 1215 PM CDT * AT 1126 AM CDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A POSSIBLE TORNADO 22 MILES EAST NORTHEAST OF NORFOLK OR 15 MILES WEST OF PENDER MOVING EAST SOUTHEAST AT 45 MPH. * THE TORNADO IS EXPECTED TO BE NEAR... PENDER AT 1135 AM CDT WISNER AT 1140 AM CDT BANCROFT AT 1145 AM CDT ROSALIE AT 1150 AM CDT IF YOU ARE IN THE WARNED AREA...TAKE SHELTER IN A BASEMENT IF ONE IS AVAILABLE. OTHERWISE GO TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR. CARS AND MOBILE HOMES SHOULD BE ABANDONED. SMITHd
What forecasters said that day
The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Jun 29, 5:45 AM CDT, 5 hours 44 minutes before
NEZ011-012-015>018-030>034-042>045-050>053-065>068-078-088>093- IAZ043-055-056-069-079-080-090-091-301200- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 545 AM CDT MON JUN 29 1998 ...SEVERE WEATHER OUTLOOK FOR EASTERN NEBRASKA AND SOUTHWEST IOWA... SPOTTER ACTION... STORM SPOTTER ACTIVATION MAY BE NEEDED IN EASTERN NEBRASKA AND SOUTHWEST IOWA TODAY INTO THIS EVENING. DISCUSSION... A WARM FRONT ACROSS NORTHERN KANSAS INTO NORTHERN MISSOURI WILL MOVE SLOWLY NORTH TODAY. IN ADDITION A COOL FRONT WILL MOVE ACROSS THE AREA LATER THIS AFTERNOON INTO TONIGHT FROM THE NORTHWEST. MOIST AND UNSTABLE AIR INTERACTING WITH THESE FRONTS WILL RESULT IN AREAS OF THUNDERSTORM DEVELOPMENT. DUE TO HIGH INSTABILITY IN THE ATMOSPHERE ALONG WITH LOW LEVEL WIND SHEAR...SOME OF THE THUNDERSTORMS MAY TURN SEVERE WITH LARGE HAIL...DAMAGING WINDS AND ISOLATED TORNADOES. HEAVY RAINFALL IS ALSO A THREAT DUE TO THE HIGH ATMOSPHERIC WATERj CONTENT. GW
Special weather statement, Jun 29, 5:45 AM CDT, 5 hours 44 minutes before
NEZ011-012-015>018-030>034-042>045-050>053-065>068-078-088>093- IAZ043-055-056-069-079-080-090-091-301200- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 545 AM CDT MON JUN 29 1998 ...SEVERE WEATHER OUTLOOK FOR EASTERN NEBRASKA AND SOUTHWEST IOWA... SPOTTER ACTION... STORM SPOTTER ACTIVATION MAY BE NEEDED IN EASTERN NEBRASKA AND SOUTHWEST IOWA TODAY INTO THIS EVENING. DISCUSSION... A WARM FRONT ACROSS NORTHERN KANSAS INTO NORTHERN MISSOURI WILL MOVE SLOWLY NORTH TODAY. IN ADDITION A COOL FRONT WILL MOVE ACROSS THE AREA LATER THIS AFTERNOON INTO TONIGHT FROM THE NORTHWEST. MOIST AND UNSTABLE AIR INTERACTING WITH THESE FRONTS WILL RESULT IN AREAS OF THUNDERSTORM DEVELOPMENT. DUE TO HIGH INSTABILITY IN THE ATMOSPHERE ALONG WITH LOW LEVEL WIND SHEAR...SOME OF THE THUNDERSTORMS MAY TURN SEVERE WITH LARGE HAIL...DAMAGING WINDS AND ISOLATED TORNADOES. HEAVY RAINFALL IS ALSO A THREAT DUE TO THE HIGH ATMOSPHERIC WATERj CONTENT. GW
The office that day
Everything else NWS Omaha, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 28, 9:48 PM CDT | Severe Thunderstorm Warning | OAX | Richardson | 32 min |
| Jun 28, 11:21 PM CDT | Severe Thunderstorm Warning | OAX | Pawnee | 49 min |
| Jun 28, 11:51 PM CDT | Severe Thunderstorm Warning | OAX | Richardson | 49 min |
| Jun 28, 11:55 PM CDT | Flash Flood Warning | OAX | Richardson | 6 hr |
| Jun 29, 12:22 AM CDT | Severe Thunderstorm Warning | OAX | Gage | 48 min |
| Jun 29, 9:51 AM CDT | Severe Thunderstorm Warning | OAX | Knox | 64 min |
| Jun 29, 10:31 AM CDT | Tornado Warning | OAX | Knox | 34 min |
| Jun 29, 10:42 AM CDT | Tornado Warning | OAX | Cedar, Pierce | 48 min |
| Jun 29, 11:05 AM CDT | Tornado Warning | OAX | Wayne | 50 min |
| Jun 29, 11:57 AM CDT | Tornado Warning | OAX | Burt | 48 min |
| Jun 29, 3:25 PM CDT | Severe Thunderstorm Warning | OAX | Butler, Seward | 50 min |
| Jun 29, 3:39 PM CDT | Tornado Warning | OAX | Seward | 51 min |
| Jun 29, 4:08 PM CDT | Tornado Warning | OAX | Lancaster, Saline | 62 min |
| Jun 29, 4:39 PM CDT | Severe Thunderstorm Warning | OAX | Gage | 61 min |
| Jun 29, 4:56 PM CDT | Severe Thunderstorm Warning | OAX | Otoe | 49 min |
| Jun 29, 5:06 PM CDT | Severe Thunderstorm Warning | OAX | Johnson | 49 min |
Nearby
Tornado Warnings in Nebraska, 1998Every tornado warning in 1998Tornadoes in 1998
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.