Alert archive / Nebraska / Tornado Warnings in 1999
Tornado Warning 39, NWS North Platte, NE
NWS North Platte, NE issued this tornado warning at Jun 29, 1999, 3:12 PM MDT for Cherry County, Nebraska. It was in force for 63 min. 8 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 29, 1999, 3:12 PM MDT (21:12 UTC)
- Expired
- Jun 29, 1999, 4:15 PM MDT
- In force
- 63 min
- Issued by
- NWS North Platte, NE
- Area
- Whole counties
County Cherry County, NE
The radar
The North Platte radar (KLNX), 79 km from the middle of the area, began a volume at 21:11 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 29, 3:25 PM MDT | Hail 0.75 | Brownlee, NE | |
| Jun 29, 3:35 PM MDT | Tornado F0 | Kilgore, NE | Law Enforcement watched the slow moving tornado touch down briefly. |
| Jun 29, 3:45 PM MDT | Tornado F0 | Kilgore, NE | Sheriffs deputy observed a brief tornado touch down over open country. |
| Jun 29, 3:45 PM MDT | Hail 0.75 | Brownlee, NE | |
| Jun 29, 3:50 PM MDT | Tornado F0 | Kilgore, NE | Law Enforcement officials observed the tornado tornado as it moved slowly along a 2 mile path. Two power poles were downed. |
| Jun 29, 3:50 PM MDT | Hail 1 | Brownlee, NE | |
| Jun 29, 4:15 PM MDT | Hail 0.75 | Brownlee, NE | |
| Jun 29, 4:25 PM MDT | Hail 0.75 | Brownlee, 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
N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 9.2 hours before the alert went out and 163 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
- 1364 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 131 m²/s²
- 0-3 km storm-relative helicity
- 418 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
371 WFUS1 KLBF 292113 RRA TORLBF NEC031-292215- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE NORTH PLATTE NE 412 PM CDT (312 PM MDT) TUE JUN 29 1999 THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A * TORNADO WARNING FOR... NORTHEASTERN CHERRY COUNTY IN NORTH CENTRAL NEBRASKA * UNTIL 515 PM CDT * AT 411 PM CDT... PUBLIC REPORTED A TORNADO 17 MILES NORTHWEST OF VALENTINE OR 6 MILES WEST OF CROOKSTON... MOVING SOUTHEAST AT 15 MPH. * THE TORNADO IS EXPECTED TO BE NEAR... CROOKSTON BY 430 PM CDT VALENTINE BY 510 PM CDT A TORNADO IS ON THE GROUND GO TO THE BASEMENT IF A BASEMENT IS NOT AVAILABLE...GO TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR WERT
The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 29, 3:23 PM MDT | Tornado Warning | LBF | Cherry | 62 min |
| Jun 29, 4:23 PM MDT | Tornado Warning | LBF | Cherry | 47 min |
| Jun 29, 4:33 PM MDT | Tornado Warning | LBF | Thomas | 62 min |
| Jun 29, 4:53 PM MDT | Severe Thunderstorm Warning | LBF | Blaine | 47 min |
| Jun 29, 5:25 PM MDT | Tornado Warning | LBF | Blaine, Thomas | 60 min |
| Jun 29, 5:35 PM MDT | Tornado Warning | LBF | Custer | 65 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.