Alert archive / Nebraska / Tornado Warnings in 1998
Tornado Warning 56, NWS Omaha, NE
NWS Omaha, NE issued this tornado warning at Jun 23, 1998, 9:09 PM CDT for Platte County, Nebraska. It was in force for 36 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 23, 1998, 9:09 PM CDT (02:09 UTC)
- Expired
- Jun 23, 1998, 9:45 PM CDT
- In force
- 36 min
- Issued by
- NWS Omaha, NE
- Area
- Whole counties
County Platte County, NE
The radar
The Omaha radar (KOAX), 100 km from the middle of the area, began a volume at 02:11 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, 7:15 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 2.2 hours before the alert went out and 262 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
- 1938 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 1197 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 61 m²/s²
- 0-3 km storm-relative helicity
- 147 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KOMA 240209 RRA TOROMA NEC141-240245- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 909 PM CDT TUE JUN 23 1998 THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A * TORNADO WARNING FOR... PLATTE COUNTY IN NORTHEASTERN NEBRASKA * UNTIL 945 PM CDT * AT 909 PM CDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A DEVELOPING TORNADO 10 MILES SOUTH SOUTHWEST OF COLUMBUS MOVING NORTHEAST AT 30 MPH. * THE TORNADO IS EXPECTED TO BE NEAR... COLUMBUS AT 925 PM 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. MEAD
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 23, 5:05 PM CDT, 4 hours 4 minutes before
NEZ011-012-015>018-030>034-042>045-050>053-065>068-078-088>093- IAZ043-055-056-069-079-080-090-091-241200- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 505 PM CDT TUE JUN 23 1998 ...SEVERE WEATHER OUTLOOK FOR EASTERN NEBRASKA AND SOUTHWEST IOWA... SPOTTER ACTION... STORM SPOTTER ACTIVATION MAY BE REQUIRED TONIGHT IN EASTERN NEBRASKA AND SOUTHWEST IOWA. DISCUSSION... THERE IS A CHANCE FOR THUNDERSTORMS TONIGHT IN EASTERN NEBRASKA AND SOUTHWEST IOWA AS VERY MOIST AND UNSTABLE AIR CONTINUES TO MOVE ACROSS THE REGION AS A WARM FRONT FROM SOUTH CENTRAL NEBRASKA THROUGH NORTHEAST KANSAS AND NORTH MISSOURI LIFTS NORTH. DUE TO THE DEGREE OF INSTABILITY AND WIND SHEAR CONSIDERATIONS...SOME OF THESE STORMS COULD TURN SEVERE WITH LARGE HAIL...DAMAGING WINDS AND ISOLATED TORNADOES. IN ADDITION TO THE THREAT OF SEVERE WEATHER...DUE TO THE VERY MOIST NATURE OF THE ATMOSPHERE...THE THUNDERSTORMS MAY PRODUCE LOCALLY HEAVY RAINS. GW
The office that day
Everything else NWS Omaha, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 23, 7:01 PM CDT | Tornado Warning | OAX | Colfax, Platte | 34 min |
| Jun 23, 7:24 PM CDT | Tornado Warning | OAX | Thurston | 51 min |
| Jun 23, 7:28 PM CDT | Severe Thunderstorm Warning | OAX | Cuming, Wayne | 62 min |
| Jun 23, 7:30 PM CDT | Severe Thunderstorm Warning | OAX | Knox | 65 min |
| Jun 23, 7:32 PM CDT | Severe Thunderstorm Warning | OAX | Saline | 48 min |
| Jun 23, 7:37 PM CDT | Tornado Warning | OAX | Colfax, Platte | 33 min |
| Jun 23, 7:45 PM CDT | Tornado Warning | OAX | Cuming, Stanton, Wayne | 45 min |
| Jun 23, 7:56 PM CDT | Tornado Warning | OAX | Dodge | 49 min |
| Jun 23, 8:07 PM CDT | Tornado Warning | OAX | Cuming | 48 min |
| Jun 23, 8:19 PM CDT | Severe Thunderstorm Warning | OAX | Platte | 66 min |
| Jun 23, 8:24 PM CDT | Severe Thunderstorm Warning | OAX | Butler, Saline, Seward | 61 min |
| Jun 23, 8:26 PM CDT | Tornado Warning | OAX | Burt, Washington | 49 min |
| Jun 23, 8:31 PM CDT | Severe Thunderstorm Warning | OAX | Cedar | 49 min |
| Jun 23, 8:43 PM CDT | Tornado Warning | OAX | Dodge | 32 min |
| Jun 23, 8:48 PM CDT | Severe Thunderstorm Warning | OAX | Lancaster, Saunders | 62 min |
| Jun 23, 8:53 PM CDT | Severe Thunderstorm Warning | OAX | Cuming | 47 min |
| Jun 23, 9:14 PM CDT | Severe Thunderstorm Warning | OAX | Burt, Dodge, Washington | 61 min |
| Jun 23, 9:19 PM CDT | Flash Flood Warning | OAX | Cuming, Dodge | 5 hr |
| Jun 23, 9:22 PM CDT | Severe Thunderstorm Warning | OAX | Colfax | 48 min |
| Jun 23, 9:39 PM CDT | Severe Thunderstorm Warning | OAX | Cuming, Stanton | 61 min |
| Jun 23, 9:53 PM CDT | Flash Flood Warning | OAX | Burt | 6 hr |
| Jun 23, 10:05 PM CDT | Tornado Warning | OAX | Washington | 35 min |
| Jun 23, 10:11 PM CDT | Severe Thunderstorm Warning | OAX | Burt | 64 min |
| Jun 23, 10:21 PM CDT | Tornado Warning | OAX | Burt | 29 min |
| Jun 23, 10:26 PM CDT | Severe Thunderstorm Warning | OAX | Cedar | 34 min |
| Jun 23, 10:35 PM CDT | Severe Thunderstorm Warning | OAX | Gage | 45 min |
| Jun 24, 12:37 AM CDT | Severe Thunderstorm Warning | OAX | Pawnee | 48 min |
| Jun 24, 1:04 AM CDT | Severe Thunderstorm Warning | OAX | Richardson | 36 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.