Alert archive / Nebraska / Tornado Warnings in 1997
Tornado Warning 7, NWS Omaha, NE
NWS Omaha, NE issued this tornado warning at Jun 20, 1997, 10:09 PM CDT for Cuming County, Nebraska. It was in force for 51 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 20, 1997, 10:09 PM CDT (03:09 UTC)
- Expired
- Jun 20, 1997, 11:00 PM CDT
- In force
- 51 min
- Issued by
- NWS Omaha, NE
- Area
- Whole counties
County Cuming County, NE
The radar
The Omaha radar (KOAX), 75 km from the middle of the area, began a volume at 03:13 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 20, 10:19 PM CDT | Hail 1.75 | West Pt, 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 20, 8:00 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Omaha, NE (KOAX), launched 00:00Z, 3.2 hours before the alert went out and 75 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
- 5994 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 1151 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 89 m²/s²
- 0-3 km storm-relative helicity
- 186 m²/s²
- Significant tornado parameter
- 4.8
- Supercell composite
- 25.7
The text
As transmitted, in the capitals the NWS used until 2016.
500 WFUS1 KOMA 210309 RRA TOROMA NEC039-210400- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 1009 PM CDT FRI JUN 20 1997 * TORNADO WARNING FOR EASTERN CUMING COUNTY - IN NORTHEASTERN NEBRASKA * UNTIL 1100 PM CDT * SOME LOCATIONS AFFECTED * AT 1008 PM CDT...A POSSIBLE TORNADO WAS INDICATED BY DOPPLER RADAR 41 MILES EAST SOUTHEAST OF NORFOLK OR 3 MILES SOUTHEAST OF WEST POINT MOVING EAST AT 10 MPH. TAKE COVER IN A REINFORCED BUILDING ON THE LOWEST FLOOR IMMEDIATELY. STAY AWAY FROM WINDOWS. DAMAGE REPORTS OR OBSERVED SEVERE WEATHER SHOULD BE GIVEN TO A LAW ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE. &
The office that day
Everything else NWS Omaha, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 20, 7:08 PM CDT | Severe Thunderstorm Warning | OAX | Dodge, Saunders | 47 min |
| Jun 20, 7:31 PM CDT | Severe Thunderstorm Warning | OAX | Butler, Colfax | 49 min |
| Jun 20, 7:35 PM CDT | Severe Thunderstorm Warning | OAX | Burt, Washington | 50 min |
| Jun 20, 7:54 PM CDT | Severe Thunderstorm Warning | OAX | Dodge, Saunders | 46 min |
| Jun 20, 8:25 PM CDT | Severe Thunderstorm Warning | OAX | Burt | 50 min |
| Jun 20, 8:35 PM CDT | Severe Thunderstorm Warning | OAX | Thurston | 50 min |
| Jun 20, 8:43 PM CDT | Severe Thunderstorm Warning | OAX | Cuming, Dodge | 47 min |
| Jun 20, 8:48 PM CDT | Severe Thunderstorm Warning | OAX | Boone | 62 min |
| Jun 20, 9:12 PM CDT | Severe Thunderstorm Warning | OAX | Antelope | 63 min |
| Jun 20, 9:24 PM CDT | Severe Thunderstorm Warning | OAX | Cuming, Stanton | 51 min |
| Jun 20, 9:40 PM CDT | Severe Thunderstorm Warning | OAX | Madison, Pierce | 50 min |
| Jun 20, 10:56 PM CDT | Severe Thunderstorm Warning | OAX | Burt | 64 min |
| Jun 20, 11:22 PM CDT | Tornado Warning | OAX | Dodge | 48 min |
| Jun 20, 11:42 PM CDT | Severe Thunderstorm Warning | OAX | Butler, Seward | 58 min |
| Jun 20, 11:48 PM CDT | Severe Thunderstorm Warning | OAX | Gage, Jefferson, Lancaster, Saline | 62 min |
| Jun 21, 12:08 AM CDT | Flash Flood Warning | OAX | Burt, Cuming, Dodge | 6 hr |
| Jun 21, 12:17 AM CDT | Severe Thunderstorm Warning | OAX | Saunders | 63 min |
| Jun 21, 1:05 AM CDT | Severe Thunderstorm Warning | OAX | Cass, Sarpy | 60 min |
| Jun 21, 1:11 AM CDT | Tornado Warning | OAX | Sarpy | 34 min |
Nearby
Tornado Warnings in Nebraska, 1997Every tornado warning in 1997Tornadoes in 1997
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.