Alert archive / Nebraska / Tornado Warnings in 1999
Tornado Warning 54, NWS Omaha, NE
NWS Omaha, NE issued this tornado warning at Jul 19, 1999, 5:05 PM CDT for Cuming County, Stanton County, Nebraska. It was in force for 65 min. 2 reports 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 19, 1999, 5:05 PM CDT (22:05 UTC)
- Expired
- Jul 19, 1999, 6:10 PM CDT
- In force
- 65 min
- Issued by
- NWS Omaha, NE
- Area
- Whole counties
Counties Cuming County, NE, Stanton County, NE
The radar
The Omaha radar (KOAX), 84 km from the middle of the area, began a volume at 22:05 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 19, 5:10 PM CDT | Thunderstorm Wind 61 | Pilger, NE | Thunderstorm winds near 70 mph downed large trees from Pilger to around 4 miles north of town and did some minor house damage. |
| Jul 19, 6:00 PM CDT | Thunderstorm Wind 58 | West Pt, NE | Thunderstorm wind gust overturned a van that was being pulled by a semi-truck. |
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 12:00Z, 10.1 hours before the alert went out and 84 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
- 511 J/kg
- Mixed-layer CIN
- -228 J/kg
- Mixed-layer LCL
- 1502 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 172 m²/s²
- 0-3 km storm-relative helicity
- 147 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
The office that day
Everything else NWS Omaha, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 19, 4:35 PM CDT | Severe Thunderstorm Warning | OAX | Wayne | 60 min |
| Jul 19, 4:46 PM CDT | Severe Thunderstorm Warning | OAX | Stanton | 64 min |
| Jul 19, 4:55 PM CDT | Flash Flood Warning | OAX | Madison, Stanton, Wayne | 3 hr |
| Jul 19, 6:00 PM CDT | Severe Thunderstorm Warning | OAX | Dodge | 50 min |
| Jul 19, 6:12 PM CDT | Severe Thunderstorm Warning | OAX | Dodge | 48 min |
| Jul 19, 6:34 PM CDT | Severe Thunderstorm Warning | OAX | Burt, Washington | 51 min |
Nearby
Tornado Warnings in Nebraska, 1999Every tornado warning in 1999Tornadoes in 1999
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.