Alert archive / Nebraska / Tornado Warnings in 2001
Tornado Warning 65, NWS Omaha, NE
NWS Omaha, NE issued this tornado warning at Jul 16, 2001, 8:39 PM CDT for Antelope County, Nebraska. It was in force for 36 min. 3 reports 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
- Jul 16, 2001, 8:39 PM CDT (01:39 UTC)
- Expired
- Jul 16, 2001, 9:15 PM CDT
- In force
- 36 min
- Issued by
- NWS Omaha, NE
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Antelope County, NE
The radar
The Omaha radar (KOAX), 166 km from the middle of the area, began a volume at 01:40 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 16, 8:40 PM CDT | Hail 1 | Oakdale, NE | |
| Jul 16, 8:50 PM CDT | Thunderstorm Wind 60 E | Oakdale, NE | A thunderstorm wind gust of around 70 mph was reported by a law enforcement official. |
| Jul 16, 8:50 PM CDT | Tornado F0 | Elgin, NE | Brief tornado touchdown in open country, reported by a law enforcement official. |
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 |
|---|---|---|---|
| Jul 16, 4:00 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Omaha, NE (KOAX), launched 00:00Z, 1.7 hours before the alert went out and 166 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
- 2587 J/kg
- Mixed-layer CIN
- -107 J/kg
- Mixed-layer LCL
- 1316 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 100 m²/s²
- 0-3 km storm-relative helicity
- 135 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 14.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS53 KOAX 170139 TOROMA NEC003-170215- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE OMAHA NE 839 PM CDT MON JUL 16 2001 THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A * TORNADO WARNING FOR... ANTELOPE COUNTY IN NORTHEAST NEBRASKA * UNTIL 915 PM CDT * AT 834 PM CDT...RADAR INDICATED A THUNDERSTORM WITH VERY STRONG ROTATION AND A DEVELOPING TORNADO 5 MILES NORTHWEST OF ELGIN...OR ABOUT 38 MILES WEST OF NORFOLK...MOVING SOUTHEAST AT 20 MPH. * SOME LOCATIONS AFFECTED... ELGIN RURAL SOUTHERN ANTELOPE COUNTY LAT...LON 4212 9826 4193 9825 4194 9787 4220 9786 ZAPOTOCNY
The office that day
Everything else NWS Omaha, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 16, 7:28 PM CDT | Tornado Warning | OAX | Antelope | 32 min |
| Jul 16, 7:48 PM CDT | Severe Thunderstorm Warning | OAX | Pierce | 42 min |
| Jul 16, 8:09 PM CDT | Severe Thunderstorm Warning | OAX | Antelope | 36 min |
| Jul 16, 8:13 PM CDT | Flash Flood Warning | OAX | Antelope | 3 hr |
| Jul 16, 8:20 PM CDT | Severe Thunderstorm Warning | OAX | Madison | 40 min |
| Jul 16, 8:28 PM CDT | Tornado Warning | OAX | Madison | 32 min |
| Jul 16, 8:29 PM CDT | Severe Thunderstorm Warning | OAX | Pierce | 46 min |
| Jul 16, 9:00 PM CDT | Severe Thunderstorm Warning | OAX | Madison | 60 min |
| Jul 16, 9:13 PM CDT | Severe Thunderstorm Warning | OAX | Antelope, Pierce | 32 min |
| Jul 16, 9:23 PM CDT | Severe Thunderstorm Warning | OAX | Boone | 37 min |
| Jul 16, 9:32 PM CDT | Tornado Warning | OAX | Madison | 28 min |
| Jul 16, 9:52 PM CDT | Severe Thunderstorm Warning | OAX | Platte | 38 min |
| Jul 16, 9:57 PM CDT | Severe Thunderstorm Warning | OAX | Boone, Madison | 33 min |
| Jul 16, 10:15 PM CDT | Severe Thunderstorm Warning | OAX | Colfax, Stanton | 45 min |
| Jul 16, 11:17 PM CDT | Severe Thunderstorm Warning | OAX | Dodge, Saunders | 28 min |
| Jul 16, 11:59 PM CDT | Severe Thunderstorm Warning | OAX | Burt, Washington | 46 min |
| Jul 17, 1:25 AM CDT | Severe Thunderstorm Warning | OAX | Dodge | 35 min |
Nearby
Tornado Warnings in Nebraska, 2001Every tornado warning in 2001Tornadoes in 2001
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.