EF1 tornado, Ainsworth to Long Pine, Nebraska, June 20, 2024

1. EF065 to 85 mph

   Light damage. Surface peeled off some roofs, gutters and siding damaged, branches broken, shallow-rooted trees pushed over.

2. EF186 to 110 mphthis tornado

   Moderate damage. Roofs badly stripped, mobile homes overturned or badly damaged, exterior doors lost, windows broken.

3. EF2111 to 135 mph

   Considerable damage. Roofs torn off well-built houses, frame homes shifted on their foundations, mobile homes destroyed, large trees snapped or uprooted, cars lifted off the ground.

4. EF3136 to 165 mph

   Severe damage. Whole stories of well-built houses destroyed, large buildings badly damaged, trains overturned, trees debarked, heavy cars lifted and thrown.

5. EF4166 to 200 mph

   Devastating damage. Well-built houses leveled, structures with weak foundations moved some distance, cars thrown and large missiles generated.

6. EF5over 200 mph

   Incredible damage. Strong frame houses swept off their foundations, car-sized missiles thrown more than 100 meters, steel-reinforced concrete badly damaged, high-rise buildings deformed.

7. Unrated

   The survey recorded a tornado but could not put a number on it, most often because it crossed open country and damaged nothing a rating can be read from.

Rating

EF1

Date

June 20, 2024

Touchdown

5:21 PM CDT (22:21 UTC)

Path length

0.1 miles (0.1 km)

Path width

25 yards (23 m)

Deaths

0

Injuries

0

Property damage

$15,000

County

Brown County

Touchdown point

42.404, -99.820

Lift-off point

42.404, -99.820

Record number

2406201621-01

2 damage points were recorded along this path by NWS LBF, in the Damage Assessment Toolkit the survey teams carry. The strongest indicator was rated EF1. The highest wind the damage implies is 101 mph.

• Single wide and outbuildings were destroyed but significantly aged. Surrounding tree limbs were broken and trees snapped. Due to deep water, no fasteners were observed.
• Large tree limbs broken and a few trees uprooted. This tornado is supported by numerous spotter reports and photos. The tornado stayed over open terrain.

Survey points are preliminary and are the raw material the published rating was built from. Source: NWS Damage Assessment Toolkit.

Thunderstorms developed along a stationary frontal boundary, which was draped across the central Sandhills, during the late afternoon hours of June 20th. This activity became severe later on with hail up to ping pong size, thunderstorm wind gusts up to 70 MPH and a couple of tornadoes. Flash flooding was also reported in the Long Pine and O'Neill areas.

Tornado briefly touched down, rolling and severely damaging a single wide manufactured home. Other outbuildings were destroyed at this location which were significantly aged. Tree limbs were broken and trees snapped.

Tornado briefly touched down producing limb damage and uprooted several trees at this location.

From NOAA NCEI's Storm Events Database, the narrative the local forecast office wrote for Storm Data.

NWS North Platte, NE wrote its last area forecast discussion before the tornado touched down at Jun 19, 6:55 PM CDT, 22 hours 26 minutes earlier.

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Ainsworth Munici (ANW), 24 km from the path, in the two hours either side.

From the Iowa Environmental Mesonet's archive of airport observations.

The North Platte radar (KLNX), 80 km away, was scanning. The volume nearest the touchdown began at 22:19 UTC.

Open the radar archive at this moment, over the track

Reflectivity and velocity, decoded from the Level II archive in the browser. Volumes take a few seconds to open the first time.

The live radar over the trackEvery 2024 tornado in NebraskaEvery tornado in Nebraska since 1950Warnings in force in Nebraska nowThe forecast where you are

4 more were confirmed in the United States that day.

Ratings are the survey's, read off the damage rather than measured; the rating scale is above. Tornado counts rise through the record as reporting improved, so a year in the 1950s is not comparable with one today except for the strongest tornadoes, which were always noticed.

NOAA Storm Prediction Center tornado database, 1950-2025, the official record kept by NOAA's Storm Prediction Center.