Alert archive / Nebraska / Tornado Warnings in 1999
Tornado Warning 21, NWS North Platte, NE
NWS North Platte, NE issued this tornado warning at Jun 5, 1999, 5:36 PM MDT for Sheridan County, Nebraska. It was in force for 49 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 5, 1999, 5:36 PM MDT (23:36 UTC)
- Expired
- Jun 5, 1999, 6:25 PM MDT
- In force
- 49 min
- Issued by
- NWS North Platte, NE
- Area
- Whole counties
County Sheridan County, NE
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 5, 5:40 PM MDT | Tornado F1 | Gordon, NE | Spotters observed what they described as a large tornado touch down over open uninhabited country that did no damage to property. |
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 5, 3:00 PM MDT | Tornado Watch | SPC | 6 hr |
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
- 1172 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- -42 m²/s²
- 0-3 km storm-relative helicity
- -53 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 052335 RRA TORLBF NEC161-060025- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE NORTH PLATTE NE 636 PM CDT (536 PM MDT) SAT JUN 5 1999 THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A * TORNADO WARNING FOR... NORTHERN SHERIDAN COUNTY IN THE NEBRASKA PANHANDLE * UNTIL 625 PM MDT (725 PM CDT) * AT 534 PM MDT... NORTH PLATTE DOPPLER RADAR INDICATED A TORNADO 13 MILES EAST OF CHADRON OR 12 MILES NORTH OF HAY SPRINGS...( MOVING NORTH AT 25 MPH. THE TORNADO IS EXPECTED TO REMAIN IN RURAL AREAS NORTH OF HIGHWAY 20. GO TO THE BASEMENT OR A SMALL INTERIOR ROOM ON THE LOWEST FLOOR! JRS
The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 4, 6:11 PM MDT | Severe Thunderstorm Warning | LBF | McPherson | 49 min |
| Jun 4, 6:27 PM MDT | Severe Thunderstorm Warning | LBF | Arthur, Grant | 48 min |
| Jun 4, 7:04 PM MDT | Severe Thunderstorm Warning | LBF | Cherry | 61 min |
| Jun 4, 7:10 PM MDT | Severe Thunderstorm Warning | LBF | Hooker | 50 min |
| Jun 4, 7:30 PM MDT | Tornado Warning | LBF | Hooker | 35 min |
| Jun 4, 8:02 PM MDT | Tornado Warning | LBF | Cherry | 63 min |
| Jun 4, 8:50 PM MDT | Severe Thunderstorm Warning | LBF | Keya Paha | 35 min |
| Jun 4, 9:06 PM MDT | Tornado Warning | LBF | Cherry | 64 min |
| Jun 4, 9:31 PM MDT | Tornado Warning | LBF | Brown | 34 min |
| Jun 4, 9:50 PM MDT | Tornado Warning | LBF | Keya Paha | 65 min |
| Jun 4, 11:41 PM MDT | Severe Thunderstorm Warning | LBF | Cherry | 64 min |
| Jun 5, 4:21 PM MDT | Severe Thunderstorm Warning | LBF | Lincoln | 44 min |
| Jun 5, 5:01 PM MDT | Tornado Warning | LBF | Sheridan | 34 min |
| Jun 5, 5:02 PM MDT | Severe Thunderstorm Warning | LBF | Logan | 48 min |
| Jun 5, 5:17 PM MDT | Severe Thunderstorm Warning | LBF | Thomas | 48 min |
| Jun 5, 5:40 PM MDT | Severe Thunderstorm Warning | LBF | Hooker | 35 min |
| Jun 5, 5:45 PM MDT | Severe Thunderstorm Warning | LBF | Cherry | 60 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.