Alert archive / Nebraska / Tornado Warnings in 1997
Tornado Warning 17, NWS Omaha, NE
NWS Omaha, NE issued this tornado warning at Jul 7, 1997, 7:23 PM CDT for Cuming County, Nebraska. It was in force for 47 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
- Jul 7, 1997, 7:23 PM CDT (00:23 UTC)
- Expired
- Jul 7, 1997, 8:10 PM CDT
- In force
- 47 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 00:24 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 |
|---|---|---|---|
| Jul 7, 7:25 PM CDT | Hail 1 | Beemer, NE | Corn crop was flattened by hail. |
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 nearest sounding before it
Omaha, NE (KOAX), launched 00:00Z, 0.4 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
- 1901 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 1492 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 154 m²/s²
- 0-3 km storm-relative helicity
- 328 m²/s²
- Significant tornado parameter
- 1.0
- Supercell composite
- 13.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KOMA 080023 RRA TOROMA NEC039-080110- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 723 PM CDT MON JUL 7 1997 * TORNADO WARNING FOR CUMING COUNTY - IN NORTHEASTERN NEBRASKA * UNTIL 810 PM CDT * SOME LOCATIONS AFFECTED BEEMER BY AROUND 740 PM CDT WEST POINT AROUND 755 PM CDT * AT 721 PM CDT...A POSSIBLE TORNADO WAS INDICATED BY DOPPLER RADAR 25 MILES EAST SOUTHEAST OF NORFOLK OR 6 MILES WEST OF BEEMER MOVING EAST AT 15 MPH. PERSONS IN THE WARNED AREA SHOULD TAKE SHELTER IN A BASEMENT IF AVAILABLE. OTHERWISE GO TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR. CARS AND MOBILE HOMES SHOULD BE ABANDONED. POhWERS
The office that day
Everything else NWS Omaha, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 7:01 PM CDT | Tornado Warning | OAX | Madison | 29 min |
| Jul 7, 7:15 PM CDT | Tornado Warning | OAX | Stanton | 45 min |
| Jul 7, 7:30 PM CDT | Severe Thunderstorm Warning | OAX | Platte | 65 min |
| Jul 7, 7:38 PM CDT | Severe Thunderstorm Warning | OAX | Colfax | 62 min |
| Jul 7, 7:55 PM CDT | Tornado Warning | OAX | Colfax | 50 min |
| Jul 7, 8:21 PM CDT | Severe Thunderstorm Warning | OAX | Dodge | 64 min |
| Jul 7, 8:59 PM CDT | Flash Flood Warning | OAX | Colfax, Dodge | 6 hr |
| Jul 7, 9:18 PM CDT | Severe Thunderstorm Warning | OAX | Butler | 62 min |
| Jul 7, 9:48 PM CDT | Severe Thunderstorm Warning | OAX | Saunders | 62 min |
| Jul 7, 10:07 PM CDT | Severe Thunderstorm Warning | OAX | Douglas, Sarpy | 48 min |
| Jul 7, 10:10 PM CDT | Severe Thunderstorm Warning | OAX | Cass, Sarpy | 50 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.