A low pressure system brought strong (both thunderstorm, and non-thunderstorm) winds, tornadoes, dust, snow, and record temperatures into eastern Nebraska and western Iowa. The event was determined to be a derecho meeting the criteria of wind damage extending more than 250 miles, including wind gusts of at least 58 mph and numerous gusts of at least 75 mph.

Thunderstorm Wind in SAUNDERS, NEBRASKA
From 15-DEC-21 15:57:00 to 15-DEC-21 15:57:00 (CST-6)
Location: CEDAR BLUFFS
Magnitude: 74.00 EG
Reported by: Public

Public reported roof blown off and power lines down in town.

Thunderstorm Wind in COLFAX, NEBRASKA
From 15-DEC-21 15:35:00 to 15-DEC-21 15:35:00 (CST-6)
Location: HOWELLS
Magnitude: 70.00 EG
Reported by: Emergency Manager

Emergency manager reported a partial roof blown off.

Thunderstorm Wind in DOUGLAS, NEBRASKA
From 15-DEC-21 16:12:00 to 15-DEC-21 16:12:00 (CST-6)
Location: DELBOT
Magnitude: 61.00 EG
Reported by: Public

Public reported several large tree limbs down.

Thunderstorm Wind in PAWNEE, NEBRASKA
From 15-DEC-21 15:57:00 to 15-DEC-21 15:57:00 (CST-6)
Location: MAYBERRY
Magnitude: 70.00 MG
Reported by: Trained Spotter

Trained spotter reported a measured peak wind gust of 81 mph.

Thunderstorm Wind in DODGE, NEBRASKA
From 15-DEC-21 15:59:00 to 15-DEC-21 15:59:00 (CST-6)
Location: FREMONT
Magnitude: 65.00 EG
Reported by: Emergency Manager

Emergency manager reported tractor trailer blown over on its side and numerous trees down in Fremont.

Thunderstorm Wind in DODGE, NEBRASKA
From 15-DEC-21 16:00:00 to 15-DEC-21 16:00:00 (CST-6)
Location: FREMONT
Magnitude: 57.00 MG
Reported by: AWOS

Fremont AWOS measured a peak wind gust of 66 mph.

Thunderstorm Wind in WASHINGTON, NEBRASKA
From 15-DEC-21 16:10:00 to 15-DEC-21 16:10:00 (CST-6)
Location: ARLINGTON
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Public reported an estimated 70 mph wind gust.

Thunderstorm Wind in COLFAX, NEBRASKA
From 15-DEC-21 15:17:00 to 15-DEC-21 15:17:00 (CST-6)
Location: SCHUYLER
Magnitude: 65.00 EG
Reported by: Social Media

Public reported large tree down in front yard via Twitter.

Thunderstorm Wind in CUMING, NEBRASKA
From 15-DEC-21 15:46:00 to 15-DEC-21 15:46:00 (CST-6)
Location: BEEMER
Magnitude: 65.00 EG
Reported by: Public

Public reported via mping 3-inch tree limbs broken; power poles broken.

Thunderstorm Wind in BURT, NEBRASKA
From 15-DEC-21 15:56:00 to 15-DEC-21 15:56:00 (CST-6)
Location: OAKLAND
Magnitude: 65.00 EG
Reported by: Public

Public reported via mping 3-inch tree limbs broken; power poles broken.

Thunderstorm Wind in OTOE, NEBRASKA
From 15-DEC-21 15:56:00 to 15-DEC-21 15:56:00 (CST-6)
Location: OTOE
Magnitude: 61.00 EG
Reported by: Trained Spotter

Trained spotter reported estimated wind gusts of 70 mph.

Thunderstorm Wind in PAWNEE, NEBRASKA
From 15-DEC-21 16:06:00 to 15-DEC-21 16:06:00 (CST-6)
Location: DU BOIS
Magnitude: 65.00 EG
Reported by: COOP Observer

COOP Observer reported a that a shed blew over and crushed a can.

Thunderstorm Wind in SARPY, NEBRASKA
From 15-DEC-21 16:13:00 to 15-DEC-21 16:13:00 (CST-6)
Location: (OFF)OFFUTT AFB
Magnitude: 65.00 EG
Reported by: Law Enforcement

Law enforcement reported numerous large trees down and homes damaged.

Thunderstorm Wind in SARPY, NEBRASKA
From 15-DEC-21 16:13:00 to 15-DEC-21 16:13:00 (CST-6)
Location: SOUTH OMAHA ARPT
Magnitude: 65.00 EG
Reported by: Amateur Radio

Amateur radio report of limbs down near 30th and Harrison.

Thunderstorm Wind in CASS, NEBRASKA
From 15-DEC-21 16:14:00 to 15-DEC-21 16:14:00 (CST-6)
Location: MURRAY
Magnitude: 54.00 MG
Reported by: Mesonet

Mesonet Station UP945 measured a peak wind gust of 62 mph.

Thunderstorm Wind in DOUGLAS, NEBRASKA
From 15-DEC-21 16:15:00 to 15-DEC-21 16:15:00 (CST-6)
Location: IRVINGTON
Magnitude: 65.00 EG
Reported by: Public

Public reported branches with 6 inch diameter down.

Thunderstorm Wind in NEMAHA, NEBRASKA
From 15-DEC-21 16:15:00 to 15-DEC-21 16:15:00 (CST-6)
Location: AUBURN
Magnitude: 61.00 EG
Reported by: Public

Public report via mping of 3-inch tree limbs broken; power poles broken.

Thunderstorm Wind in SARPY, NEBRASKA
From 15-DEC-21 16:16:00 to 15-DEC-21 16:16:00 (CST-6)
Location: (OFF)OFFUTT AFB
Magnitude: 65.00 EG
Reported by: Public

Public reported that a large tree limb crushed a car and downed a fence.

Thunderstorm Wind in SARPY, NEBRASKA
From 15-DEC-21 16:22:00 to 15-DEC-21 16:22:00 (CST-6)
Location: BELLEVUE
Magnitude: 70.00 MG
Reported by: Public

Public reported a peak measured wind gust of 81 mph.

Thunderstorm Wind in BURT, NEBRASKA
From 15-DEC-21 16:11:00 to 15-DEC-21 16:11:00 (CST-6)
Location: OAKLAND
Magnitude: 61.00 EG
Reported by: Public

Public report via mping of 3-inch tree limbs broken; power poles broken.

Thunderstorm Wind in DOUGLAS, NEBRASKA
From 15-DEC-21 16:26:00 to 15-DEC-21 16:26:00 (CST-6)
Location: (OMA)EPPLEY FLD OMAH
Magnitude: 64.00 MG
Reported by: ASOS

Eppley Airfield measured a peak wind gust of 74 mph.

Thunderstorm Wind in NEMAHA, NEBRASKA
From 15-DEC-21 16:30:00 to 15-DEC-21 16:30:00 (CST-6)
Location: AUBURN
Magnitude: 75.00 EG
Reported by: Emergency Manager

Emergency manager reported a numerous large diameter trees down.

Thunderstorm Wind in DOUGLAS, NEBRASKA
From 15-DEC-21 16:41:00 to 15-DEC-21 16:41:00 (CST-6)
Location: OMAHA
Magnitude: 70.00 EG
Reported by: Emergency Manager

Emergency manager reported a residential building collapse due to a heavy tree falling on it.

Thunderstorm Wind in DOUGLAS, NEBRASKA
From 15-DEC-21 16:44:00 to 15-DEC-21 16:44:00 (CST-6)
Location: MILLARD
Magnitude: 70.00 EG
Reported by: Public

Public reported a roof blown off of a home.

Thunderstorm Wind in BURT, NEBRASKA
From 15-DEC-21 15:59:00 to 15-DEC-21 15:59:00 (CST-6)
Location: TEKAMAH
Magnitude: 65.00 MG
Reported by: Fire Department/Rescue

Fire Department reported a measured peak wind gust of 75 mph.

High Wind in DOUGLAS, NEBRASKA
From 15-DEC-21 19:57:00 to 15-DEC-21 19:57:00 (CST-6)
Magnitude: 61.00 MG
Reported by: ASOS

Omaha Eppley Airfield measured a peak wind gust of 70 mph.

High Wind in GAGE, NEBRASKA
From 15-DEC-21 17:35:00 to 15-DEC-21 17:35:00 (CST-6)
Magnitude: 52.00 MG
Reported by: AWOS

Beatrice AWOS measured a peak wind gust of 61 mph.

High Wind in LANCASTER, NEBRASKA
From 15-DEC-21 17:30:00 to 15-DEC-21 17:30:00 (CST-6)
Magnitude: 68.00 MG
Reported by: Mesonet

Mesonet station measured a peak wind gust of 78 mph.

High Wind in MADISON, NEBRASKA
From 15-DEC-21 19:32:00 to 15-DEC-21 19:32:00 (CST-6)
Magnitude: 54.00 MG
Reported by: ASOS

Norfolk Airport ASOS measured a peak wind gust of 62 mph.

High Wind in OTOE, NEBRASKA
From 15-DEC-21 18:15:00 to 15-DEC-21 18:15:00 (CST-6)
Magnitude: 56.00 MG
Reported by: AWOS

Nebraska City AWOS measured a peak wind gust of 64 mph.

High Wind in GAGE, NEBRASKA
From 15-DEC-21 18:55:00 to 15-DEC-21 19:55:00 (CST-6)
Magnitude: 36.00 MS
Reported by: AWOS

AWOS measured sustained winds of at least 40 mph.

High Wind in RICHARDSON, NEBRASKA
From 15-DEC-21 13:53:00 to 15-DEC-21 13:53:00 (CST-6)
Magnitude: 54.00 MG
Reported by: ASOS

Falls City ASOS measured a peak wind gust of 62 mph.

Tornado in CUMING, NEBRASKA
From 15-DEC-21 15:41:00 to 15-DEC-21 15:42:00 (CST-6)
Location: BEEMER
Tornado F-scale: EF1
Reported by: NWS Storm Survey

A brief tornado snapped trees and caused minor roof damage to a home before destroying a 40 by 60 foot shed and moving a farm gravity wagon approximately 100 yards while continuing to damage trees. Witnesses noted that this was a brief tornado but they did see the funnel cloud at the site of the damage.

Thunderstorm Wind in PLATTE, NEBRASKA
From 15-DEC-21 14:50:00 to 15-DEC-21 14:50:00 (CST-6)
Location: COLUMBUS
Magnitude: 74.00 EG
Reported by: Public

Public report of a roof blown off of a home.

Thunderstorm Wind in PLATTE, NEBRASKA
From 15-DEC-21 14:52:00 to 15-DEC-21 14:52:00 (CST-6)
Location: COLUMBUS
Magnitude: 74.00 EG
Reported by: Public

Public report of an overturned 5th wheel trailer.

Thunderstorm Wind in BUTLER, NEBRASKA
From 15-DEC-21 15:15:00 to 15-DEC-21 15:15:00 (CST-6)
Location: DAVID CITY
Magnitude: 73.00 MG
Reported by: Mesonet

Personal weather station measured a peak wind gust of 84 mph.

Thunderstorm Wind in JEFFERSON, NEBRASKA
From 15-DEC-21 14:55:00 to 15-DEC-21 14:55:00 (CST-6)
Location: GLADSTONE
Magnitude: 65.00 EG
Reported by: Emergency Manager

Emergency manager reported a semi blown over.

Hail in PLATTE, NEBRASKA
From 15-DEC-21 15:05:00 to 15-DEC-21 15:05:00 (CST-6)
Location: (OLU)COLUMBUS ARPT
Magnitude: 1.25 
Reported by: Public

Public reported 1.25 inch hail.

Thunderstorm Wind in PLATTE, NEBRASKA
From 15-DEC-21 15:14:00 to 15-DEC-21 15:14:00 (CST-6)
Location: (OLU)COLUMBUS ARPT
Magnitude: 59.00 MG
Reported by: ASOS

Columbus (OLU) ASOS measured a peak wind gust of 68 mph.

Hail in PLATTE, NEBRASKA
From 15-DEC-21 15:04:00 to 15-DEC-21 15:04:00 (CST-6)
Location: COLUMBUS
Magnitude: 1.25 
Reported by: Public

Public reported 1.25 inch hail.

Thunderstorm Wind in OTOE, NEBRASKA
From 15-DEC-21 15:46:00 to 15-DEC-21 15:46:00 (CST-6)
Location: DOUGLAS
Magnitude: 70.00 EG
Reported by: Public

Public reported uprooted trees.

Thunderstorm Wind in CASS, NEBRASKA
From 15-DEC-21 15:49:00 to 15-DEC-21 15:49:00 (CST-6)
Location: EAGLE
Magnitude: 78.00 MG
Reported by: Fire Department/Rescue

Fire Department reported a measured wind gust of 99 mph.

Thunderstorm Wind in SAUNDERS, NEBRASKA
From 15-DEC-21 15:50:00 to 15-DEC-21 15:50:00 (CST-6)
Location: MEMPHIS
Magnitude: 55.00 MG
Reported by: Mesonet

Mesonet station NB075 measured a peak wind gust of 63 mph.

Thunderstorm Wind in SAUNDERS, NEBRASKA
From 15-DEC-21 15:51:00 to 15-DEC-21 15:51:00 (CST-6)
Location: ITHACA
Magnitude: 86.00 MG
Reported by: Mesonet

Mesonet measured a peak wind gust of 99 mph.

Thunderstorm Wind in JEFFERSON, NEBRASKA
From 15-DEC-21 14:59:00 to 15-DEC-21 14:59:00 (CST-6)
Location: POWELL
Magnitude: 55.00 MG
Reported by: Mesonet

Mesonet station UR416 HEDRIW measured a peak wind gust of 55 knots.

Tornado in COLFAX, NEBRASKA
From 15-DEC-21 15:27:00 to 15-DEC-21 15:28:00 (CST-6)
Location: HOWELLS
Tornado F-scale: EF1
Reported by: NWS Storm Survey

An intermittent tornado tracked from south to north through Howells. The initial damage point was roof damage to a home on the south side of town along with moderate tree damage. The tornado then skipped several blocks before removing a portion of the building attached to the feed and seed. Nearby security cameras provided video evidence of the brief tornadic circulation on the north side of town. The tornado remained intermittent as it travelled into an open field to the northeast, depositing debris in the field.

Tornado in CUMING, NEBRASKA
From 15-DEC-21 15:37:00 to 15-DEC-21 15:38:00 (CST-6)
Location: MONTEREY
Tornado F-scale: EF1
Reported by: NWS Storm Survey

A brief tornado developed in a field and then travelled north northeast where it snapped 5 wooden power poles and then caused tree damage in a grove of trees.

Thunderstorm Wind in JEFFERSON, NEBRASKA
From 15-DEC-21 15:00:00 to 15-DEC-21 15:00:00 (CST-6)
Location: FAIRBURY
Magnitude: 70.00 MG
Reported by: Emergency Manager

Emergency manger reported a measured wind gust of 70 knots.

Tornado in PLATTE, NEBRASKA
From 15-DEC-21 15:03:00 to 15-DEC-21 15:04:00 (CST-6)
Location: PLATTE CENTER
Tornado F-scale: EF1
Reported by: NWS Storm Survey

A tornado developed over an open field south of town and north of the creek where it tipped over two sections of an irrigation pivot. The tornado proceeded north northeast into Platte Center, causing damage to a garage and snapping several trees. The maximum damage occurred between 2nd and 4th streets where a large metal building with wood construction had the wind enter the doors, uplift the roof, and collapse the walls as the entire building shifted and collapsed to the northeast. Very large trees were blown down and one home lost much of its roof. The damage became less notable over the next block and dissipated near the elementary school.

High Wind in OTOE, NEBRASKA
From 15-DEC-21 18:15:00 to 15-DEC-21 18:15:00 (CST-6)
Magnitude: 56.00 MG
Reported by: ASOS

Nebraska City AWOS measured a peak wind gust of 64 mph.

High Wind in WASHINGTON, NEBRASKA
From 15-DEC-21 14:23:00 to 15-DEC-21 14:23:00 (CST-6)
Magnitude: 55.00 MG
Reported by: Mesonet

Mesonet site measured a peak wind gust of 63 mph.

Thunderstorm Wind in JEFFERSON, NEBRASKA
From 15-DEC-21 14:55:00 to 15-DEC-21 14:55:00 (CST-6)
Location: FAIRBURY
Magnitude: 65.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency manager reported power lines blown down.

Thunderstorm Wind in JEFFERSON, NEBRASKA
From 15-DEC-21 14:56:00 to 15-DEC-21 14:56:00 (CST-6)
Location: GLADSTONE
Magnitude: 65.00 EG
Reported by: Emergency Manager

Emergency manager reported a semi truck blown over on Highway 136.

Thunderstorm Wind in JEFFERSON, NEBRASKA
From 15-DEC-21 14:59:00 to 15-DEC-21 14:59:00 (CST-6)
Location: FAIRBURY
Magnitude: 64.00 MG
Reported by: Mesonet

Mesonet station measured a peak wind gust of 64 knots.

Tornado in PLATTE, NEBRASKA
From 15-DEC-21 15:04:00 to 15-DEC-21 15:06:00 (CST-6)
Location: COLUMBUS
Tornado F-scale: EF2
Reported by: NWS Storm Survey

A narrow, fast-moving, tornado began in the parking lot of a business along Howard Blvd where it tipped over a semi trailer and proceeded to cause roof, siding, fence, and tree damage. Approximately one block later, it caused the worst damage of the entire track where an attached garage and entire roof were removed from a ranch home. Much of the roof was deposited 20 to 100 yards downstream. The tornado proceeded to produce sporadic damage over the next two blocks and then a more consistent damage path for a 6 block period where many homes had minor to moderate roof damage and several trees were snapped or uprooted. There was then another 5 blocks of sporadic minor to moderate tree and roof damage followed by a 2 block stretch of continuous minor to moderate roof and siding damage. The tornado then travelled across open fields until reaching the Indian Hills neighborhood where it snapped two power poles and caused generally minor damage to a fence and shingles, with no further damage downstream. The entire 2.7 mile track occurred in approximately 2 minutes.

Thunderstorm Wind in JEFFERSON, NEBRASKA
From 15-DEC-21 15:02:00 to 15-DEC-21 15:02:00 (CST-6)
Location: FAIRBURY
Magnitude: 65.00 EG
Reported by: Emergency Manager

Emergency manager reported numerous pivots overturned throughout Jefferson County.

Thunderstorm Wind in JEFFERSON, NEBRASKA
From 15-DEC-21 15:09:00 to 15-DEC-21 15:09:00 (CST-6)
Location: GLADSTONE
Magnitude: 61.00 EG
Reported by: Emergency Manager

Emergency manager reported downed powerlines.

Thunderstorm Wind in JEFFERSON, NEBRASKA
From 15-DEC-21 15:14:00 to 15-DEC-21 15:14:00 (CST-6)
Location: PLYMOUTH
Magnitude: 65.00 EG
Reported by: Emergency Manager

Emergency manager reported damage to outbuildings and barns in the Plymouth area.

Thunderstorm Wind in LANCASTER, NEBRASKA
From 15-DEC-21 15:30:00 to 15-DEC-21 15:30:00 (CST-6)
Location: (LNK)LINCOLN ARPT
Magnitude: 81.00 MG
Reported by: ASOS

Lincoln Airport ASOS measured a peak wind gust of 81 knots.

Thunderstorm Wind in LANCASTER, NEBRASKA
From 15-DEC-21 15:21:00 to 15-DEC-21 15:21:00 (CST-6)
Location: LINCOLN
Magnitude: 58.00 MG
Reported by: Mesonet

Personal weather station measured a peak wind gust of 67 mph.

Thunderstorm Wind in SAUNDERS, NEBRASKA
From 15-DEC-21 15:35:00 to 15-DEC-21 15:35:00 (CST-6)
Location: MEMPHIS
Magnitude: 65.00 EG
Reported by: Public

Public reported a destroyed garage and shed.

Thunderstorm Wind in SALINE, NEBRASKA
From 15-DEC-21 15:00:00 to 15-DEC-21 15:00:00 (CST-6)
Location: FRIEND
Magnitude: 52.00 EG
Reported by: Public

Public reported strong wind capable fo breaking 2-3 inch diameter limbs and 0.88 inch hail.

Thunderstorm Wind in GAGE, NEBRASKA
From 15-DEC-21 15:35:00 to 15-DEC-21 15:35:00 (CST-6)
Location: BEATRICE
Magnitude: 75.00 MG
Reported by: AWOS

Beatrice AWOS measured a peak wind gust of 86 mph.

Thunderstorm Wind in LANCASTER, NEBRASKA
From 15-DEC-21 15:44:00 to 15-DEC-21 15:44:00 (CST-6)
Location: BENNET
Magnitude: 80.00 MG
Reported by: Trained Spotter

Trained Spotter reported a measured peak wind gust of 92 mph.

Tornado in OTOE, NEBRASKA
From 15-DEC-21 16:05:00 to 15-DEC-21 16:06:00 (CST-6)
Location: ELBERON
Tornado F-scale: EF1
Reported by: NWS Storm Survey

A brief EF-1 tornado snapped power poles. Swirling was noted in corn fields north and south of County Road C.

Tornado in PAWNEE, NEBRASKA
From 15-DEC-21 16:06:00 to 15-DEC-21 16:08:00 (CST-6)
Location: DU BOIS
Tornado F-scale: EF0
Reported by: NWS Storm Survey

A brief tornado destroyed half of a large outbuilding.

Tornado in CUMING, NEBRASKA
From 15-DEC-21 15:31:00 to 15-DEC-21 15:36:00 (CST-6)
Location: MONTEREY
Tornado F-scale: EF2
Reported by: NWS Storm Survey

A tornado developed in a field near 3rd road south of C road and quickly moved northeast to cause roof damage to large animal barns where a substantial amount of roofing tin were removed. The tornado proceeded across open fields before severely impacting a farm near 4th and E road. The farm place had a small shed blown approximately 100 yards. A second brand new larger shed was completely destroyed and a very large shed with equipment inside was also completely destroyed. There was minor roof and siding damage to the home and to another large shed, as well as some fences. The tornado proceeded northeast to another hog farm where it removed large sections of roof from two large barns. The debris were deposited well into a field downstream. The track was then intermittent for 1.5 miles as there were few if any available damage indicators in ag fields before it caused additional damage to 5 power poles and another animal barn where much of the barn was removed and blown into the nearby trees. The tornado appeared to dissipate at that point.

Tornado in PAWNEE, NEBRASKA
From 15-DEC-21 16:07:00 to 15-DEC-21 16:08:00 (CST-6)
Location: PAWNEE CITY
Tornado F-scale: EF1
Reported by: NWS Storm Survey

A brief tornado destroyed several outbuildings and removed a wrap-around porch from a house.

Tornado in CASS, NEBRASKA
From 15-DEC-21 16:09:00 to 15-DEC-21 16:11:00 (CST-6)
Location: MURRAY
Tornado F-scale: EF2
Reported by: NWS Storm Survey

Three witnesses observed tornado form south side of lake. Roof taken off residence. Several hardwood trees snapped and pine trees uprooted or snapped. Tornado continued northeast where it did substantial damage to a horse farm. Extension of house destroyed. Horse trailer rolled. Several large trees snapped an uprooted. Unable to survey northern end of track due to terrain and no road.

Tornado in PAWNEE, NEBRASKA
From 15-DEC-21 16:05:00 to 15-DEC-21 16:06:00 (CST-6)
Location: BOOKWATER
Tornado F-scale: EF1
Reported by: NWS Storm Survey

Brief swirl southwest of outbuilding destroyed. Debris strewn in narrow bath to the northeast.

Tornado in SAUNDERS, NEBRASKA
From 15-DEC-21 15:46:00 to 15-DEC-21 15:47:00 (CST-6)
Location: ITHACA
Tornado F-scale: EF1
Reported by: NWS Storm Survey

A short track EF-1 tornado began just west of CR 13 and traveled over a farmstead. This tornado caused substantial damage to several outbuildings and a grain bin. A cattle feeder that was secured to the ground via 3-foot-deep concrete posts was lifted and thrown 250 feet. The tornado was short lived with only tree damage observed at the end of the track.

Tornado in CASS, NEBRASKA
From 15-DEC-21 16:06:00 to 15-DEC-21 16:09:00 (CST-6)
Location: NEHAWKA
Tornado F-scale: EF2
Reported by: NWS Storm Survey

Tornado removed roof from house. Roof over garage uplifted and displaced. House moved slightly on foundation. Several large pines & oak trees snapped. Additional damage to power poles was noted, along with total destruction of a farm outbuilding near Highway 75 and Baxter Loop.

Tornado in CUMING, NEBRASKA
From 15-DEC-21 15:37:00 to 15-DEC-21 15:38:00 (CST-6)
Location: MONTEREY
Tornado F-scale: EF1
Reported by: NWS Storm Survey

An intermittent path of damage across open fields but also managed to snap off power poles in multiple locations, and also caused damage to a shed.

Tornado in CUMING, NEBRASKA
From 15-DEC-21 15:44:00 to 15-DEC-21 15:54:00 (CST-6)
Location: BEEMER
Tornado F-scale: EF2
Reported by: NWS Storm Survey

This tornado impacted several farms and residences along its 11 mile track with at least 5 points suggesting EF2 damage with maximum winds of approximately 120 mph. This tornado also had one of the wider paths in this region on December 15 where at one point the tree pattern suggested 200 yard width. The tornado destroyed several barns, including some well-built large structures. It also caused substantial power line damage, snapping several power poles in multiple locations.

Tornado in CUMING, NEBRASKA
From 15-DEC-21 15:51:00 to 15-DEC-21 15:57:00 (CST-6)
Location: BANCROFT
Tornado F-scale: EF1
Reported by: NWS Storm Survey

Tornado segment 1 of 2. This tornado began southwest of Bancroft, uprooting several large pine trees, collapsing a windmill, and tearing shingles of the roof of a home. The tornado continued northeast, passing just northwest of Bancroft and entered Thurston County northwest of Rosalie.

Tornado in THURSTON, NEBRASKA
From 15-DEC-21 15:57:00 to 15-DEC-21 15:59:00 (CST-6)
Location: ROSALIE
Tornado F-scale: EF1
Reported by: NWS Storm Survey

Tornado segment 2 of 2. This tornado is a continuation of a tornado that started in Cuming County.  It entered Thurston County northwest of Rosalie. Here, the tornado damaged some outbuildings before dissipating just northeast of 26th Road and N Avenue.

Tornado in SEWARD, NEBRASKA
From 15-DEC-21 15:14:00 to 15-DEC-21 15:22:00 (CST-6)
Location: MILFORD
Tornado F-scale: EF2
Reported by: NWS Storm Survey

This is segment 2 of 3  of an EF-2 tornado that came out of northeast Saline County. In Seward County it damaged trees and farm outbuildings, passing just southeast of Pleasant Dale. The tornado then crossed into Lancaster County.

Tornado in SALINE, NEBRASKA
From 15-DEC-21 15:11:00 to 15-DEC-21 15:14:00 (CST-6)
Location: DORCHESTER
Tornado F-scale: EF2
Reported by: NWS Storm Survey

This is segmnent 1 of 3 of an EF-2 tornado that began in northeast Saline County where it overturned numerous irrigation pivots. This tornado continued northeast into It continued northeastward into Seward County.

Tornado in LANCASTER, NEBRASKA
From 15-DEC-21 15:22:00 to 15-DEC-21 15:29:00 (CST-6)
Location: PLEASANT DALE
Tornado F-scale: EF2
Reported by: NWS Storm Survey

This is segement 3 of 3 of an  EF-2 tornado that crossed from Seward County into Lancaster County. After passing southeast of Pleasant Dale and  crossed into Lancaster County, the tornado produced its most substantial damage, tearing off the top half of a 100 year old barn and pulling the barn itself from its rebar attachment to the foundation. Other outbuildings and grain bins were also damaged in this area. The tornado continued northeastward and passed near the southeast end of Pawnee Lake, damaging power poles in the area. The path continued northeastward, damaging trees and eventually crossing Highway 34 just east of Malcolm Road before dissipating shortly thereafter.

Tornado in CASS, NEBRASKA
From 15-DEC-21 15:55:00 to 15-DEC-21 15:59:00 (CST-6)
Location: AVOCA
Tornado F-scale: EF2
Reported by: NWS Storm Survey

A very narrow tornado was witnessed and caused substantial damage to vehicles and farm equipment while destroying a large shed near its onset and proceeded to cause minor damage for approximately 3 miles to the northeast before dissipating.

Tornado in SAUNDERS, NEBRASKA
From 15-DEC-21 15:41:00 to 15-DEC-21 15:54:00 (CST-6)
Location: CERESCO
Tornado F-scale: EF1
Reported by: NWS Storm Survey

A tornado developed just north of the Jack Sinn Memorial Wildlife Management area, producing damage to farm buildings and then moving off toward the northeast, and eventually the north northeast as observed by a storm chaser. The tornado caused damage to several barns and outbuildings along the track, including complete destruction of barns near Road 11 and Road F. The tornado also overturned several pivot irrigation systems and snapped wooden power poles at multiple locations, including numerous poles along Highway 92 which prompted a multi-day closure of the highway. The tornado also impacted the University of Nebraska Farm where a video was taken of the small fast-moving tornado and several buildings sustained damage. The tornado ended 1 mile northwest of Yutan where a farm outbuilding was blown for a significant distance and trees were damage. Significant downburst winds on the east flank of the tornado circulation were evident on radar and damage to pivot irrigation systems and other structures throughout the duration of the tornado.