Tornadoes · United States · Minnesota · 2014
EF2 tornado, Northcote to Lancaster, Minnesota, September 19, 2014
From Northcote to Lancaster, this EF2 tornado ran 10.0 miles across Kittson County on September 19, 2014, touching down at 6:19 PM CDT and reaching 500 yards wide. It killed nobody, and did $600,000 of property damage.
The rating scale
Tracks are drawn in the color of the rating. The Enhanced Fujita scale rates the damage rather than measuring the wind: the speeds are what that damage is taken to imply.
EF065 to 85 mph
Light damage. Surface peeled off some roofs, gutters and siding damaged, branches broken, shallow-rooted trees pushed over.
EF186 to 110 mph
Moderate damage. Roofs badly stripped, mobile homes overturned or badly damaged, exterior doors lost, windows broken.
EF2111 to 135 mphthis tornado
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.
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.
EF4166 to 200 mph
Devastating damage. Well-built houses leveled, structures with weak foundations moved some distance, cars thrown and large missiles generated.
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.
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.
The record
- Rating
- EF2
- Date
- September 19, 2014
- Touchdown
- 6:19 PM CDT (23:19 UTC)
- Lifted
- 6:40 PM CDT (23:40 UTC)
- On the ground
- 21 minutes
- Path length
- 10.0 miles (16.1 km)
- Path width
- 500 yards (457 m)
- Deaths
- 0
- Injuries
- 0
- Property damage
- $600,000
- Crop damage
- $100,000
- County
- Kittson County
- Touchdown point
- 48.860, -97.020
- Lift-off point
- 48.830, -96.845
- Record number
- 1409191719-01
What the Weather Service recorded
Late in the afternoon of September 19th, scattered thunderstorms developed across southern Manitoba. These storms seemed to develop around a weak surface low that had lingered over the northern Red River Valley through the afternoon. One thunderstorm crossed into Pembina County in northeast North Dakota, and immediately showed tornadic tendencies. As this storm crossed into Kittson County in northwest Minnesota it produced a tornado. Other storms resulted in a second tornado as well as several reports of large hail.
This tornado snapped or uprooted numerous trees along its path. Several farm outbuildings, steel grain bins, and a steel pole shed were completely destroyed. One farmstead sized wooden grain elevator was completely dismantled and sections of it were thrown dozens of yards. Multiple power poles were snapped at different locations. Peak winds were estimated at 130 mph.
From NOAA NCEI's Storm Events Database, the narrative the local forecast office wrote for Storm Data.
The warnings
34 minutes of warning. NWS FGF issued a tornado warning for this county at 22:45 UTC, 34 minutes before the tornado touched down, in force until 23:30 UTC.
| Issued (UTC) | Expired | Product | Office |
|---|---|---|---|
| 22:45 UTC | 23:30 UTC | Tornado Warning | FGF |
| 23:29 UTC | 00:02 UTC | Tornado Warning | FGF |
| 00:00 UTC | 00:22 UTC | Severe Thunderstorm Warning | FGF |
| 00:15 UTC | 01:00 UTC | Tornado Warning | FGF |
Every warning and watch covering the touchdown point that day, from the Iowa Environmental Mesonet's archive of National Weather Service products. Lead time is measured from the issue of the warning in force to the touchdown time in the database, both of which were recorded to the minute by different people.
The forecast that day
The Storm Prediction Center had this point in a General Thunderstorms Risk. The outlook in force was issued at 19:17 UTC.
SPC's Day 1 convective outlook as it stood when the tornado began, read at the touchdown point. The same archive is on the radar archive.
The air that afternoon
The radiosonde launches on either side of the tornado, from the nearest station that was launching then, drawn and analyzed the way Storm Lab does: the same diagram, the same parcel and shear definitions SPC's mesoanalysis uses.
International Fa, MN (KINL), 12:00Z
11.3 hours before the tornado, 268 km from the path. September 19, 2014.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- -86299 J/kg
- Surface CAPE
- 0 J/kg
- Mixed-layer LCL
- 833 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 382 m²/s²
- 0-3 km storm-relative helicity
- 398 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
- 0-3 km lapse rate
- 3.9 K/km
International Fa, MN (KINL), 00:00Z
0.7 hours after it, 268 km from the path. September 20, 2014.
- Mixed-layer CAPE
- 572 J/kg
- Mixed-layer CIN
- -68 J/kg
- Surface CAPE
- 561 J/kg
- Mixed-layer LCL
- 604 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 140 m²/s²
- 0-3 km storm-relative helicity
- 162 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 1.3
- 0-3 km lapse rate
- 5.0 K/km
The radar
The Fargo/Grand Forks radar (KMVX), 149 km away, was scanning. The volume nearest the touchdown began at 23:19 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.
What was reported nearby
Local storm reports within 60 km of the path, in the three hours either side.
| Time (UTC) | Report | Where | County | Remark |
|---|---|---|---|---|
| 23:19 UTC | TORNADO 2 | 1 Nw Northcote | Kittson, MN | THIS TORNADO TRACKED FOR NEARLY 10 MILES TO AROUND 3 MILES SOUTH SOUTHWEST OF LANCASTER BY 640 PM CDT. THIS TORNADO SNAPPED OR UPROOTED NUMEROUS TREES ALONG ITS PATH. SEVERAL FARM OUTBUILDINGS...STEEL GRAIN BINS AND A ST |
| 23:20 UTC | HAIL 1.25 | 4 Se Humboldt | Kittson, MN | QUARTER TO HALF DOLLAR |
| 23:20 UTC | HAIL 1.25 | 4 S Humboldt | Kittson, MN | QUARTER TO HALF DOLLAR |
| 23:22 UTC | FUNNEL CLOUD | 8 Nw Hallock | Kittson, MN | |
| 23:27 UTC | TSTM WND DMG | 5 Nne Hallock | Kittson, MN | SIGNIFICANT DAMAGE REPORTED TO A BARN... STEEL POLE SHED AND NUMEROUS TREES AT A FARMSTEAD LOCATED ABOUT 3 MILES EAST OF NORTHCOTE. |
| 23:27 UTC | TSTM WND DMG | 5 Nne Hallock | Kittson, MN | SIGNIFICANT DAMAGE REPORTED TO A SHED... QUONSET AND NUMEROUS TREES AT A FARMSTEAD LOCATED ABOUT 3 MILES EAST OF NORTHCOTE. |
| 23:30 UTC | HAIL 2.5 | 5 Nne Hallock | Kittson, MN | LARGE TORNADO VIEWED APPROACHING FARMSTEAD FROM WEST. TENNIS BALL SIZED HAIL FOLLOWED TORNADO. |
| 23:40 UTC | TORNADO | 4 S Lancaster | Kittson, MN | CROSSING STATE HIGHWAY 59 |
| 00:05 UTC | TSTM WND DMG | 5 Ene Lake Bronson | Kittson, MN | NUMEROUS LARGE BRANCHES AND TREE TRUNKS WERE SNAPPED ACROSS PORTIONS OF SOUTHEAST PERCY TOWNSHIP. |
| 00:10 UTC | HAIL 1.5 | 14 Nne Karlstad | Roseau, MN | VIA SOCIAL MEDIA. TIME APPROXIMATE BASED ON RADAR AND PHOTO TIME. |
| 00:15 UTC | TSTM WND DMG | 9 E Lake Bronson | Kittson, MN | SEVERAL LARGE 4 TO 6 INCH DIAMETER BRANCHES BROKEN DOWN IN AREA SHELTERBELTS. |
| 00:19 UTC | TORNADO | 5 W Greenbush | Roseau, MN | TIME APPROXIMATE BASED ON RADAR AND TIME STAMP OF PHOTO VIA SOCIAL MEDIA. |
| 00:21 UTC | TORNADO 1 | 9 W Greenbush | Roseau, MN | THIS TORNADO TRACKED FOR NEARLY 7 MILES TO AROUND 4 MILES WEST OF GREENBUSH BY 736 PM CDT. THE TORNADO SNAPPED OR UPROOTED NUMEROUS TREES ALONG ITS PATH... DESTROYED 2 STEEL GRAIN BINS AT ONE FARMSTEAD AND SEVERALLY DAMA |
| 00:23 UTC | TORNADO | 9 W Greenbush | Roseau, MN | DAMAGE TO FARMSTEAD...GRAIN BINS TWISTED AND ROOF OFF HOUSE. TIME APPROXIMATE BASED ON OBSERVERS REPORT AND RADAR. |
| 00:28 UTC | TSTM WND GST 93 | 7 W Greenbush | Roseau, MN | PEAK WINDS MEASURED BY THE NDAWN STATION LOCATED ALONG CR4. WINDS LIKELY INDUCED BY PASSING TORNADO. |
| 00:30 UTC | FUNNEL CLOUD | 4 W Greenbush | Roseau, MN | FUNNEL VIEWED FROM 1N GREENBUSH. LOCATION APPROXIMATED. |
| 00:30 UTC | HAIL 1 | 1 N Greenbush | Roseau, MN | |
| 00:35 UTC | HAIL 2.75 | Greenbush | Roseau, MN | |
| 00:36 UTC | FUNNEL CLOUD | 4 Wnw Greenbush | Roseau, MN | VERY LARGE ROTATION ESTIMATED AT LEAST 1 MILE ACROSS |
| 00:36 UTC | FUNNEL CLOUD | 5 Wnw Greenbush | Roseau, MN | VERY LARGE ROTATION ESTIMATED AT LEAST 1 MILE ACROSS |
| 00:40 UTC | HAIL 1.75 | 2 Sw Greenbush | Roseau, MN | WIND DRIVEN HAIL BROKE SEVERAL WINDOWS. |
| 00:59 UTC | HAIL 1.5 | 6 Se Greenbush | Roseau, MN | HAIL UP TO PING PONG SIZE LASTED 5 MINUTES. |
From the Iowa Environmental Mesonet's archive of National Weather Service local storm reports.
This ground now
The live radar over the trackEvery 2014 tornado in MinnesotaEvery tornado in Minnesota since 1950Warnings in force in Minnesota nowThe forecast where you are
The other tornadoes of September 19, 2014
1 more were confirmed in the United States that day.
| Date | Time | Rating | Where | Path (mi) | Width (yd) | Deaths | Injuries | Damage |
|---|---|---|---|---|---|---|---|---|
| September 19 | 7:21 PM CDT | EF1 | Roseau, MN | 7.0 | 300 | $300,000 |
What this means
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.
Sources
NOAA Storm Prediction Center tornado database, 1950-2025, the official record kept by NOAA's Storm Prediction Center.