Alert archive / Nebraska / Tornado Warnings in 2003
Tornado Warning 65, NWS North Platte, NE
NWS North Platte, NE issued this tornado warning at Jul 21, 2003, 4:47 PM MDT for Keith County, Nebraska. It was in force for 43 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 21, 2003, 4:47 PM MDT (22:47 UTC)
- Expired
- Jul 21, 2003, 5:30 PM MDT
- In force
- 43 min
- Issued by
- NWS North Platte, NE
- Area
- Counties, with a storm outline in the text
County Keith County, NE
The radar
The North Platte radar (KLNX), 115 km from the middle of the area, began a volume at 22:47 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 21, 3:50 PM MDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Denver, CO (KDNR), launched 12:00Z, 10.8 hours before the alert went out and 207 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
- 6 J/kg
- Mixed-layer CIN
- -349 J/kg
- Mixed-layer LCL
- 2566 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- -21 m²/s²
- 0-3 km storm-relative helicity
- 17 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS53 KLBF 212247 TORLBF NEC101-212330- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE NORTH PLATTE NE 446 PM MDT MON JUL 21 2003 THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A * TORNADO WARNING FOR... KEITH COUNTY IN SOUTHWEST NEBRASKA * UNTIL 530 PM MDT * AT 442 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THE MOST DANGEROUS PART OF A SEVERE THUNDERSTORM WITH STRONG ROTATION 5 MILES EAST OF LEMOYNE...OR ABOUT 11 MILES NORTH OF OGALLALA...MOVING SOUTHEAST AT 15 MPH. THIS STORM IS CAPABLE OF PRODUCING A TORNADO AT ANY TIME. * THE DEVELOPING TORNADO WILL BE NEAR... 3 MILES SOUTHWEST OF KEYSTONE AROUND 500 PM MDT 1 MILE NORTHEAST OF OGALLALA AROUND 510 PM MDT OVER ROSCOE AROUND 520 PM MDT THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM MDT MONDAY EVENING FOR WESTERN NEBRASKA. LAT...LON 4136 10134 4134 10194 4103 10184 4103 10131 $$ BUTTLER
The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 21, 4:16 PM MDT | Severe Thunderstorm Warning | LBF | Arthur, Keith | 44 min |
| Jul 21, 5:21 PM MDT | Tornado Warning | LBF | Grant, Hooker | 39 min |
| Jul 21, 5:27 PM MDT | Tornado Warning | LBF | Keith, Perkins | 63 min |
| Jul 21, 5:38 PM MDT | Tornado Warning | LBF | Cherry | 37 min |
| Jul 21, 5:53 PM MDT | Tornado Warning | LBF | Arthur, McPherson | 37 min |
Nearby
Tornado Warnings in Nebraska, 2003Every tornado warning in 2003Tornadoes in 2003
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.