Alert archive / Nebraska / Tornado Warnings in 2021
Tornado Warning 6, NWS North Platte, NE
NWS North Platte, NE issued this tornado warning at Jul 9, 2021, 10:57 PM MDT for 4 counties in Nebraska. It was in force for 33 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
- Jul 9, 2021, 10:57 PM MDT (04:57 UTC)
- Expired
- Jul 9, 2021, 11:30 PM MDT
- In force
- 33 min
- Issued by
- NWS North Platte, NE
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.0 in
Counties Arthur County, NE, Grant County, NE, Hooker County, NE, McPherson County, NE
The radar
The North Platte radar (KLNX), 87 km from the middle of the area, began a volume at 04:59 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 |
|---|---|---|---|
| Jul 9, 11:34 PM MDT | TSTM WND GST 66 | 17 Sse Whitman, 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 |
|---|---|---|---|
| Jul 9, 2:16 PM MDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jul 9, 8:06 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 5.0 hours before the alert went out and 117 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
- 2799 J/kg
- Mixed-layer CIN
- -162 J/kg
- Mixed-layer LCL
- 1859 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 30 m²/s²
- 0-3 km storm-relative helicity
- 117 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.9
The text
As transmitted.
235
WFUS53 KLBF 100457
TORLBF
NEC005-075-091-117-100530-
/O.NEW.KLBF.TO.W.0006.210710T0457Z-210710T0530Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service North Platte NE
1157 PM CDT Fri Jul 9 2021
The National Weather Service in North Platte has issued a
* Tornado Warning for...
Northeastern Arthur County in west central Nebraska...
Central Grant County in west central Nebraska...
Southwestern Hooker County in west central Nebraska...
Northwestern McPherson County in west central Nebraska...
* Until 1230 AM CDT/1130 PM MDT/.
* At 1157 PM CDT/1057 PM MDT/, severe thunderstorms capable of
producing both tornadoes and extensive straight line wind damage
were located 7 miles southwest of Hyannis, or 24 miles north of
Arthur, moving east at 60 mph.
HAZARD...Tornado and quarter size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* These dangerous storms will be near...
Swan Lake around 1220 AM CDT.
Other locations impacted by this tornadic thunderstorm include Carr
Lake, Green Lake, Sand Beach Lake, Lena, Big Lamunyon Flats, Pratt
Lake, Spring Valley Lake, Cogill Lake and East Cody Lake.
This includes the following highways...
Highway 2 between mile markers 146 and 148.
Highway 61 between mile markers 140 and 156.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.
&&
LAT...LON 4183 10195 4201 10190 4196 10110 4161 10120
TIME...MOT...LOC 0457Z 283DEG 51KT 4191 10182
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
Buttler3 follow-up statements
453
WWUS53 KLBF 100507
SVSLBF
Severe Weather Statement
National Weather Service North Platte NE
1207 AM CDT Sat Jul 10 2021
NEC005-075-091-117-100530-
/O.CON.KLBF.TO.W.0006.000000T0000Z-210710T0530Z/
Arthur NE-Grant NE-Hooker NE-McPherson NE-
1207 AM CDT Sat Jul 10 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1230 AM CDT/1130 PM MDT/
FOR NORTHEASTERN ARTHUR...CENTRAL GRANT...SOUTHWESTERN HOOKER AND
NORTHWESTERN MCPHERSON COUNTIES...
At 1207 AM CDT/1107 PM MDT/, a severe squall line capable of
producing both tornadoes and extensive straight line wind damage was
located 10 miles southeast of Hyannis, or 21 miles north of Arthur,
moving east at 60 mph.
HAZARD...Tornado and quarter size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
These dangerous storms will be near...
Swan Lake around 1220 AM CDT.
Other locations impacted by this tornadic thunderstorm include Carr
Lake, Green Lake, Sand Beach Lake, Lena, Big Lamunyon Flats, Pratt
Lake, Spring Valley Lake, Cogill Lake and East Cody Lake.
This includes the following highways...
Highway 2 between mile markers 146 and 148.
Highway 61 between mile markers 140 and 156.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.
&&
LAT...LON 4183 10195 4201 10190 4196 10110 4161 10120
TIME...MOT...LOC 0507Z 283DEG 53KT 4188 10166
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
Buttler548
WWUS53 KLBF 100519
SVSLBF
Severe Weather Statement
National Weather Service North Platte NE
1219 AM CDT Sat Jul 10 2021
NEC005-075-091-117-100530-
/O.CON.KLBF.TO.W.0006.000000T0000Z-210710T0530Z/
Arthur NE-Grant NE-Hooker NE-McPherson NE-
1219 AM CDT Sat Jul 10 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1230 AM CDT/1130 PM MDT/
FOR NORTHEASTERN ARTHUR...SOUTHEASTERN GRANT...SOUTHWESTERN HOOKER
AND NORTHWESTERN MCPHERSON COUNTIES...
At 1219 AM CDT/1119 PM MDT/, a severe squall line capable of
producing both tornadoes and extensive straight line wind damage was
located 13 miles south of Whitman, or 21 miles northeast of Arthur,
moving east at 50 mph.
HAZARD...Tornado and quarter size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
These dangerous storms will be near...
Swan Lake around 1225 AM CDT.
Other locations impacted by this tornadic thunderstorm include Carr
Lake, Green Lake, Sand Beach Lake, Lena, Big Lamunyon Flats, Pratt
Lake, Spring Valley Lake, Cogill Lake and East Cody Lake.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.
&&
LAT...LON 4176 10171 4199 10164 4196 10110 4161 10120
TIME...MOT...LOC 0519Z 282DEG 43KT 4185 10150
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
Buttler440
WWUS53 KLBF 100529
SVSLBF
Severe Weather Statement
National Weather Service North Platte NE
1229 AM CDT Sat Jul 10 2021
NEC005-075-091-117-100538-
/O.EXP.KLBF.TO.W.0006.000000T0000Z-210710T0530Z/
Arthur NE-Grant NE-Hooker NE-McPherson NE-
1229 AM CDT Sat Jul 10 2021
...THE TORNADO WARNING FOR NORTHEASTERN ARTHUR...SOUTHEASTERN
GRANT...SOUTHWESTERN HOOKER AND NORTHWESTERN MCPHERSON COUNTIES WILL
EXPIRE AT 1230 AM CDT/1130 PM MDT/...
The tornado threat has diminished and the Tornado Warning has been
cancelled. However, large hail and damaging winds remain likely and a
Severe Thunderstorm Warning remains in effect for the area. However
gusty winds are still possible with this thunderstorm.
A Severe Thunderstorm Watch remains in effect until 300 AM CDT/200 AM
MDT/ for west central Nebraska.
Remember, a Severe Thunderstorm Warning still remains in effect for
Arthur, Grant, Hooker and McPherson counties.
LAT...LON 4176 10171 4199 10164 4196 10110 4161 10120
TIME...MOT...LOC 0528Z 283DEG 51KT 4182 10135
$$
ButtlerThe office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 9, 6:01 PM MDT | Severe Thunderstorm Warning | LBF | Garden, Sheridan | 44 min |
| Jul 9, 6:45 PM MDT | Severe Thunderstorm Warning | LBF | Arthur, Garden, Grant | 45 min |
| Jul 9, 6:49 PM MDT | Special Weather Statement | LBF | Blaine | 26 min |
| Jul 9, 7:06 PM MDT | Special Weather Statement | LBF | McPherson | 24 min |
| Jul 9, 7:11 PM MDT | Special Weather Statement | LBF | Loup | 34 min |
| Jul 9, 7:30 PM MDT | Special Weather Statement | LBF | Loup | 45 min |
| Jul 9, 7:31 PM MDT | Special Weather Statement | LBF | McPherson | 29 min |
| Jul 9, 7:45 PM MDT | Special Weather Statement | LBF | Custer | 30 min |
| Jul 9, 7:58 PM MDT | Severe Thunderstorm Warning | LBF | Custer | 47 min |
| Jul 9, 7:59 PM MDT | Severe Thunderstorm Warning | LBF | Custer, Lincoln, Logan | 46 min |
| Jul 9, 8:02 PM MDT | Severe Thunderstorm Warning | LBF | Custer | 43 min |
| Jul 9, 8:04 PM MDT | Special Weather Statement | LBF | Holt | 41 min |
| Jul 9, 8:08 PM MDT | Special Weather Statement | LBF | Wheeler | 52 min |
| Jul 9, 8:23 PM MDT | Severe Thunderstorm Warning | LBF | Holt | 52 min |
| Jul 9, 8:27 PM MDT | Severe Thunderstorm Warning | LBF | Custer | 33 min |
| Jul 9, 8:39 PM MDT | Special Weather Statement | LBF | Holt | 36 min |
| Jul 9, 8:42 PM MDT | Severe Thunderstorm Warning | LBF | Custer | 48 min |
| Jul 9, 8:50 PM MDT | Severe Thunderstorm Warning | LBF | Holt | 40 min |
| Jul 9, 9:31 PM MDT | Severe Thunderstorm Warning | LBF | Sheridan | 59 min |
| Jul 9, 10:05 PM MDT | Severe Thunderstorm Warning | LBF | Arthur, Cherry, Garden, Grant, Sheridan | 55 min |
| Jul 9, 10:21 PM MDT | Special Weather Statement | LBF | Sheridan | 39 min |
| Jul 9, 10:53 PM MDT | Severe Thunderstorm Warning | LBF | Arthur, Cherry, Garden, Grant, Hooker, Keith and 3 more | 67 min |
| Jul 9, 11:45 PM MDT | Severe Thunderstorm Warning | LBF | Blaine, Custer, Hooker, Lincoln, Logan, McPherson and 1 more | 60 min |
| Jul 10, 12:20 AM MDT | Special Weather Statement | LBF | Lincoln | 40 min |
| Jul 10, 12:42 AM MDT | Special Weather Statement | LBF | Custer | 48 min |
| Jul 10, 1:18 AM MDT | Special Weather Statement | LBF | Lincoln | 42 min |
| Jul 10, 1:22 AM MDT | Severe Thunderstorm Warning | LBF | Lincoln | 53 min |
Nearby
Tornado Warnings in Nebraska, 2021Every tornado warning in 2021Tornadoes in 2021
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.