Alert archive / Nebraska / Tornado Warnings in 1998
Tornado Warning 36, NWS North Platte, NE
NWS North Platte, NE issued this tornado warning at Aug 11, 1998, 6:53 PM MDT for Deuel County, Nebraska. It was in force for 47 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
- Aug 11, 1998, 6:53 PM MDT (00:53 UTC)
- Expired
- Aug 11, 1998, 7:40 PM MDT
- In force
- 47 min
- Issued by
- NWS North Platte, NE
- Area
- Whole counties
County Deuel County, NE
The radar
The North Platte radar (KLNX), 174 km from the middle of the area, began a volume at 00:55 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 |
|---|---|---|---|
| Aug 11, 7:00 PM MDT | Hail 1 | Chappell, 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 00:00Z, 0.9 hours before the alert went out and 145 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
- 368 J/kg
- Mixed-layer CIN
- -54 J/kg
- Mixed-layer LCL
- 1679 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- -3 m²/s²
- 0-3 km storm-relative helicity
- 65 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KLBF 120054 RRA TORLBF NEC049-120140- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE NORTH PLATTE NE 753 PM CDT (653 PM MDT) TUE AUG 11 1998 THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A * TORNADO WARNING FOR... DEUEL COUNTY IN THE NEBRASKA PANHANDLE * UNTIL 740 PM MDT (840 PM CDT) * AT 653 PM MDT... NORTH PLATTE DOPPLER RADAR INDICATED A POSSIBLE TORNADO 25 MILES EAST SOUTHEAST OF SIDNEY OR 1 MILE WEST SOUTHWEST OF CHAPPELL MOVING EAST AT 5 MPH. * THE TORNADO IS EXPECTED TO BE NEAR... CHAPPELL BY 710 PM MDT THIS IS A DANGEROUS SITUATION! ACT QUICKLY! IT MAY SAVE YOUR LIFE! MOVE TO A BASEMENT IF POSSIBLE. OTHERWISE...GO TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR. STAY AWAY FROM WINDOWS AND DOORS. SLM
The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 11, 6:08 PM MDT | Tornado Warning | LBF | Deuel | 47 min |
Nearby
Tornado Warnings in Nebraska, 1998Every tornado warning in 1998Tornadoes in 1998
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.