Alert archive / Nebraska / Tornado Warnings in 2007
Tornado Warning 18, NWS North Platte, NE
NWS North Platte, NE issued this tornado warning at Apr 20, 2007, 9:53 PM CDT for Lincoln County, Nebraska. It was in force for 37 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
- Apr 20, 2007, 9:53 PM CDT (02:53 UTC)
- Expired
- Apr 20, 2007, 10:30 PM CDT
- In force
- 37 min
- Issued by
- NWS North Platte, NE
- Area
- Counties, with a storm outline in the text
County Lincoln County, NE
The radar
The North Platte radar (KLNX), 110 km from the middle of the area, began a volume at 02:55 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 |
|---|---|---|---|
| Apr 20, 10:27 PM CDT | HAIL 2 | 6 Nw Gothenburg, NE |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 20, 8:45 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 2.9 hours before the alert went out and 28 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
- 333 J/kg
- Mixed-layer CIN
- -161 J/kg
- Mixed-layer LCL
- 1187 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 91 m²/s²
- 0-3 km storm-relative helicity
- 120 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS53 KLBF 210253 TORLBF NEC111-210330- /O.NEW.KLBF.TO.W.0018.070421T0253Z-070421T0330Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE NORTH PLATTE NE 953 PM CDT FRI APR 20 2007 THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A * TORNADO WARNING FOR... EAST CENTRAL LINCOLN COUNTY IN SOUTHWEST NEBRASKA... * UNTIL 1030 PM CDT * AT 950 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A LARGE TORNADO 11 MILES SOUTH OF BRADY...OR ABOUT 19 MILES NORTHEAST OF CURTIS...MOVING NORTH AT 25 MPH. * THE TORNADO WILL BE NEAR... BRADY BY 1010 PM CDT... IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING GOLF BALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS. 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. 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 SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 200 AM CDT SATURDAY MORNING FOR WESTERN NEBRASKA. LAT...LON 4109 10043 4084 10035 4081 10022 4108 10023 $$ CDC
2 follow-up statements
000 WWUS53 KLBF 210311 SVSLBF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 1010 PM CDT FRI APR 20 2007 NEC111-210330- /O.CON.KLBF.TO.W.0018.000000T0000Z-070421T0330Z/ LINCOLN NE- 1010 PM CDT FRI APR 20 2007 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1030 PM CDT FOR EAST CENTRAL LINCOLN COUNTY... AT 1008 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A LARGE TORNADO. THIS TORNADO WAS LOCATED NEAR HIGHWAY 30 MILE MARKER 210...OR ABOUT 24 MILES NORTHEAST OF CURTIS...MOVING NORTH AT 20 MPH. THE TORNADO WILL BE NEAR... HIGHWAY 30 MILE MARKER 210 BY 1015 PM CDT... 8 MILES EAST OF BRADY BY 1030 PM CDT... IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING GOLF BALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS. THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 200 AM CDT SATURDAY MORNING FOR WESTERN NEBRASKA. LAT...LON 4109 10043 4084 10035 4081 10022 4108 10023 $$ CDC
000 WWUS53 KLBF 210327 SVSLBF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 1024 PM CDT FRI APR 20 2007 NEC111-210334- /O.EXP.KLBF.TO.W.0018.000000T0000Z-070421T0330Z/ LINCOLN NE- 1024 PM CDT FRI APR 20 2007 ...THE TORNADO WARNING FOR EAST CENTRAL LINCOLN COUNTY EXPIRES AT 1030 PM CDT... AT 1024 PM CDT...THE TORNADIC THUNDERSTORM WAS TRACKING JUST EAST OF THE LINCOLN COUNTY LINE. MOVEMENT WAS NORTH AT 20 MPH. THIS STORM NO LONGER POSES A THREAT TO LINCOLN COUNTY. ADDITIONAL SEVERE WEATHER IS POSSIBLE TONIGHT. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 200 AM CDT SATURDAY MORNING FOR WESTERN NEBRASKA. LAT...LON 4109 10043 4084 10035 4081 10022 4108 10023 $$ CDC
The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 20, 7:36 PM CDT | Severe Thunderstorm Warning | LBF | Hayes, Lincoln | 54 min |
| Apr 20, 8:23 PM CDT | Severe Thunderstorm Warning | LBF | Frontier, Lincoln | 67 min |
| Apr 20, 9:11 PM CDT | Severe Thunderstorm Warning | LBF | Lincoln | 64 min |
| Apr 20, 9:23 PM CDT | Tornado Warning | LBF | Frontier, Lincoln | 37 min |
| Apr 20, 9:50 PM CDT | Severe Thunderstorm Warning | LBF | Custer | 40 min |
| Apr 20, 10:00 PM CDT | Severe Thunderstorm Warning | LBF | Lincoln | 30 min |
| Apr 20, 10:19 PM CDT | Severe Thunderstorm Warning | LBF | Custer | 26 min |
| Apr 20, 10:26 PM CDT | Tornado Warning | LBF | Custer | 34 min |
| Apr 20, 10:30 PM CDT | Severe Thunderstorm Warning | LBF | McPherson | 45 min |
| Apr 20, 10:52 PM CDT | Severe Thunderstorm Warning | LBF | Custer | 53 min |
| Apr 20, 10:57 PM CDT | Tornado Warning | LBF | Custer | 48 min |
| Apr 20, 11:07 PM CDT | Severe Thunderstorm Warning | LBF | Logan, McPherson, Thomas | 53 min |
| Apr 20, 11:12 PM CDT | Severe Thunderstorm Warning | LBF | Hooker | 33 min |
| Apr 20, 11:27 PM CDT | Severe Thunderstorm Warning | LBF | Custer | 63 min |
| Apr 20, 11:35 PM CDT | Severe Thunderstorm Warning | LBF | Cherry | 55 min |
| Apr 21, 12:03 AM CDT | Severe Thunderstorm Warning | LBF | Custer | 27 min |
| Apr 21, 12:27 AM CDT | Tornado Warning | LBF | Cherry | 33 min |
| Apr 21, 12:58 AM CDT | Severe Thunderstorm Warning | LBF | Garfield | 47 min |
| Apr 21, 3:54 AM CDT | Wind Advisory | LBF | Blaine, Boyd, Brown, Chase, Custer, Frontier and 13 more | 9 hr |
| Apr 21, 4:55 PM CDT | Severe Thunderstorm Warning | LBF | Cherry | 50 min |
| Apr 21, 4:59 PM CDT | Severe Thunderstorm Warning | LBF | Cherry | 46 min |
| Apr 21, 5:34 PM CDT | Tornado Warning | LBF | Cherry | 26 min |
| Apr 21, 5:35 PM CDT | Tornado Warning | LBF | Cherry | 25 min |
| Apr 21, 5:39 PM CDT | Severe Thunderstorm Warning | LBF | Brown, Keya Paha | 51 min |
| Apr 21, 5:40 PM CDT | Severe Thunderstorm Warning | LBF | Deuel | 50 min |
| Apr 21, 5:57 PM CDT | Tornado Warning | LBF | Garden, Sheridan | 33 min |
| Apr 21, 5:59 PM CDT | Severe Thunderstorm Warning | LBF | Cherry | 31 min |
| Apr 21, 6:00 PM CDT | Severe Thunderstorm Warning | LBF | Cherry | 60 min |
| Apr 21, 6:10 PM CDT | Severe Thunderstorm Warning | LBF | Garden | 35 min |
| Apr 21, 6:26 PM CDT | Severe Thunderstorm Warning | LBF | Brown, Keya Paha | 64 min |
| Apr 21, 6:27 PM CDT | Severe Thunderstorm Warning | LBF | Cherry | 48 min |
| Apr 21, 6:27 PM CDT | Tornado Warning | LBF | Garden, Sheridan | 33 min |
| Apr 21, 6:28 PM CDT | Severe Thunderstorm Warning | LBF | Deuel | 32 min |
| Apr 21, 6:35 PM CDT | Severe Thunderstorm Warning | LBF | Arthur | 25 min |
| Apr 21, 6:53 PM CDT | Severe Thunderstorm Warning | LBF | Grant | 52 min |
| Apr 21, 6:57 PM CDT | Severe Thunderstorm Warning | LBF | Deuel, Garden, Keith | 63 min |
Nearby
Tornado Warnings in Nebraska, 2007Every tornado warning in 2007Tornadoes in 2007
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.