Alert archive / Nebraska / Tornado Warnings in 1999
Tornado Warning 2, NWS North Platte, NE
NWS North Platte, NE issued this tornado warning at Jun 3, 1999, 5:36 PM MDT for Sheridan County, Nebraska. It was in force for 49 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
- Jun 3, 1999, 5:36 PM MDT (23:36 UTC)
- Expired
- Jun 3, 1999, 6:25 PM MDT
- In force
- 49 min
- Issued by
- NWS North Platte, NE
- Area
- Whole counties
County Sheridan County, NE
The radar
The North Platte radar (KLNX), 163 km from the middle of the area, began a volume at 23:37 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 3, 6:00 PM MDT | Hail 1.75 | Ellsworth, NE | |
| Jun 3, 6:20 PM MDT | Hail 0.88 | Ellsworth, 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 nearest sounding before it
Rapid City, SD (KUNR), launched 12:00Z, 11.6 hours before the alert went out and 178 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1236 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 90 m²/s²
- 0-3 km storm-relative helicity
- 101 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KLBF 032336 RRA TORLBF NEC161-040025- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE NORTH PLATTE NE 636 PM CDT (536 PM MDT) THU JUN 3 1999 THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A * TORNADO WARNING FOR... SOUTHERN SHERIDAN COUNTY IN THE NEBRASKA PANHANDLE * UNTIL 625 PM MDT (725 PM CDT) * AT 535 PM MDT... NORTH PLATTE DOPPLER RADAR INDICATED A TORNADO 27 MILES EAST OF ALLIANCE OR 2 MILES WEST OF ELLSWORTH... MOVING EAST AT 20 MPH. * THE TORNADO IS EXPECTED TO BE NEAR... ELLSWORTH BY 540 PM MDT GO TO THE BASEMENT OR A SMALL INTERIOR ROOM ON THE LOWEST FLOOR! KAR
The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 2, 7:36 PM MDT | Severe Thunderstorm Warning | LBF | Keith | 49 min |
| Jun 2, 8:12 PM MDT | Severe Thunderstorm Warning | LBF | Sheridan | 63 min |
| Jun 2, 8:32 PM MDT | Severe Thunderstorm Warning | LBF | Chase | 63 min |
| Jun 2, 9:15 PM MDT | Severe Thunderstorm Warning | LBF | Sheridan | 65 min |
| Jun 2, 9:36 PM MDT | Severe Thunderstorm Warning | LBF | Chase | 59 min |
| Jun 2, 11:04 PM MDT | Severe Thunderstorm Warning | LBF | Sheridan | 66 min |
| Jun 3, 4:45 PM MDT | Severe Thunderstorm Warning | LBF | Sheridan | 50 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.