Alert archive / Nebraska / Tornado Warnings in 2002
Tornado Warning 15, NWS North Platte, NE
NWS North Platte, NE issued this tornado warning at Aug 24, 2002, 2:45 PM MDT for Deuel County, Nebraska. It was in force for 30 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Aug 24, 2002, 2:45 PM MDT (20:45 UTC)
- Expired
- Aug 24, 2002, 3:15 PM MDT
- In force
- 30 min
- Issued by
- NWS North Platte, NE
- Area
- Counties, with a storm outline in the text
County Deuel County, NE
The radar
The North Platte radar (KLNX), 180 km from the middle of the area, began a volume at 20:48 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 24, 2:58 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 24, 1:15 PM MDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 8.8 hours before the alert went out and 153 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
- 396 J/kg
- Mixed-layer CIN
- -113 J/kg
- Mixed-layer LCL
- 916 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 106 m²/s²
- 0-3 km storm-relative helicity
- 117 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.1
The text
As transmitted, in the capitals the NWS used until 2016.
504 WFUS53 KLBF 242045 TORLBF NEC049-242115- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE NORTH PLATTE NE 244 PM MDT SAT AUG 24 2002 THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A * TORNADO WARNING FOR... WESTERN DEUEL COUNTY IN THE PANHANDLE OF NEBRASKA * UNTIL 315 PM MDT... * AT 238 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THE MOST DANGEROUS PART OF A SEVERE THUNDERSTORM WITH STRONG ROTATION 3 MILES NORTH OF CHAPPELL...MOVING SOUTHEAST AT 15 MPH. THIS STORM IS CAPABLE OF PRODUCING A TORNADO AT ANY TIME. * THE DEVELOPING TORNADO IS EXPECTED TO BE... OVER FARM AND RANGELANDS OF CENTRAL DEUEL COUNTY IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM MDT SATURDAY EVENING FOR SOUTHWESTERN NEBRASKA. LAT...LON 4123 10248 4111 10264 4095 10236 4112 10220
The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 23, 7:07 PM MDT | Severe Thunderstorm Warning | LBF | Brown | 53 min |
| Aug 23, 7:49 PM MDT | Severe Thunderstorm Warning | LBF | Cherry, Sheridan | 56 min |
| Aug 23, 9:08 PM MDT | Severe Thunderstorm Warning | LBF | Blaine | 37 min |
| Aug 23, 9:58 PM MDT | Severe Thunderstorm Warning | LBF | Cherry | 62 min |
| Aug 23, 11:22 PM MDT | Severe Thunderstorm Warning | LBF | Brown, Rock | 38 min |
| Aug 23, 11:44 PM MDT | Severe Thunderstorm Warning | LBF | Keya Paha | 46 min |
| Aug 24, 12:06 AM MDT | Severe Thunderstorm Warning | LBF | Holt, Rock | 54 min |
| Aug 24, 12:28 AM MDT | Severe Thunderstorm Warning | LBF | Boyd, Holt | 62 min |
| Aug 24, 1:32 AM MDT | Severe Thunderstorm Warning | LBF | Holt | 43 min |
| Aug 24, 2:01 PM MDT | Severe Thunderstorm Warning | LBF | Garden | 59 min |
| Aug 24, 2:12 PM MDT | Tornado Warning | LBF | Deuel, Garden | 33 min |
| Aug 24, 3:16 PM MDT | Tornado Warning | LBF | Deuel | 14 min |
| Aug 24, 3:41 PM MDT | Tornado Warning | LBF | Perkins | 49 min |
| Aug 24, 4:09 PM MDT | Severe Thunderstorm Warning | LBF | Deuel | 51 min |
| Aug 24, 4:28 PM MDT | Tornado Warning | LBF | Chase | 62 min |
| Aug 24, 5:20 PM MDT | Severe Thunderstorm Warning | LBF | Custer | 55 min |
Nearby
Tornado Warnings in Nebraska, 2002Every tornado warning in 2002Tornadoes in 2002
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.