Alert archive / Nebraska / Tornado Warnings in 1999
Tornado Warning 41, NWS North Platte, NE
NWS North Platte, NE issued this tornado warning at Jun 29, 1999, 4:23 PM MDT for Cherry County, Nebraska. It was in force for 47 min. 4 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, 4:23 PM MDT (22:23 UTC)
- Expired
- Jun 29, 1999, 5:10 PM MDT
- In force
- 47 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 22:23 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, 4:25 PM MDT | Hail 0.75 | Brownlee, NE | |
| Jun 29, 4:30 PM MDT | Hail 0.75 | Brownlee, NE | |
| Jun 29, 4:40 PM MDT | Hail 0.75 | Brownlee, NE | |
| Jun 29, 4:45 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, 10.4 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.
788 WFUS1 KLBF 292224 RRA TORLBF NEC031-292310- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE NORTH PLATTE NE 523 PM CDT (423 PM MDT) TUE JUN 29 1999 THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A * TORNADO WARNING FOR... EXTREME SOUTHEASTERN CHERRY COUNTY IN NORTH CENTRAL NEBRASKA * UNTIL 610 PM CDT * AT 521 PM CDT... NORTH PLATTE DOPPLER RADAR INDICATED TWO TORNADOES. THE FIRST WAS LOCATED 27 MILES SOUTH OF VALENTINE... OR 8 MILES NORTH OF BROWNLEE. THE SECOND WAS LOCATED 40 MILES SOUTH OF VALENTINE...OR ABOUT 4 MILES SOUTH OF BROWNLEE. BOTH WERE MOVING EAST SOUTHEAST AT 20 MPH. * THE TORNADOES ARE EXPECTED TO REMAIN OVER FARMS AND RANCHES TO THE NORTH AND SOUTH OF BROWNLEE THROUGH 600 PM CDT...AND MAY APPROACH THE VILLAGE OF ELESMERE AROUND 610 PM CDT. GO TO THE BASEMENT OR 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, 3:12 PM MDT | Tornado Warning | LBF | Cherry | 63 min |
| Jun 29, 3:23 PM MDT | Tornado Warning | LBF | Cherry | 62 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.