Tornadoes · United States · Indiana · 2023

EF2 tornado, Maplewood Park to Cuba, Indiana, March 31, 2023

From Maplewood Park to Cuba, this EF2 tornado ran 7.9 miles across Allen County on March 31, 2023, touching down at 11:36 PM EDT and reaching 400 yards wide. It killed nobody.

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.

  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 mph

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

  3. 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.

  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.

The record

Rating
EF2
Date
March 31, 2023
Touchdown
11:36 PM EDT (03:36 UTC)
Lifted
11:43 PM EDT (03:43 UTC)
On the ground
7 minutes
Path length
7.9 miles (12.6 km)
Path width
400 yards (366 m)
Deaths
0
Injuries
0
County
Allen County
Touchdown point
41.109, -85.029
Lift-off point
41.184, -84.919
Record number
2303312136-01

The damage survey

54 damage points were recorded along this path by NWS IWX, in the Damage Assessment Toolkit the survey teams carry. The strongest indicator was rated EF2. The highest wind the damage implies is 120 mph.

  • Extensive damage to softwood trees. Many snapped and uprooted trees across Maysville Road. Minor damage to a home with shingles blown off and windows broken on the south side.
  • Picture direction north. Lots of trees snapped and uprooted.
  • Damage direction north. Large trees uprooted onto a home on Cardinal Lane. Strong convergence seen in tree damage in this neighborhood. Minor roof and siding damage to homes here.
  • Picture direction south. Multiple homes with siding and shingle damage. Some trees snapped.

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

What the Weather Service recorded

Thunderstorms developing in the evening of March 31 resulted in multiple weather hazards. Hail nearly 2 inches in diameter was observed, trees were downed from thunderstorm wind, and flooding occurred from heavy rain rates. In the days that followed, storm damage surveys teams confirmed multiple tornadoes has moved through.

Tornado developed over the northeast side of Fort Wayne and raced|northeast toward the town of Harlan. Many homes and farms had|minor to major damage. Extensive tree and powerline damage|occurred as well especially along and south of IN 37 where the most |significant damage was observed.

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

The warnings

5 minutes of warning. NWS IWX issued a tornado warning for this county at 03:31 UTC, 5 minutes before the tornado touched down, in force until 04:00 UTC.

The county was under a tornado watch, issued at 02:22 UTC and running to 04:36 UTC.

Issued (UTC)ExpiredProductOffice
02:22 UTC04:36 UTCTornado WatchIWX
02:45 UTC03:30 UTCSevere Thunderstorm WarningIWX
03:13 UTC04:00 UTCSevere Thunderstorm WarningIWX
03:18 UTC04:00 UTCSevere Thunderstorm WarningIWX
03:18 UTC04:15 UTCSevere Thunderstorm WarningIWX
03:31 UTC04:00 UTCTornado WarningIWX
03:41 UTC03:54 UTCTornado WarningIWX
04:03 UTC04:37 UTCSevere Thunderstorm WarningIWX
04:05 UTC04:30 UTCSevere Thunderstorm WarningIWX
10:00 UTC14:44 UTCWind AdvisoryIWX
14:44 UTC20:53 UTCHigh Wind WarningIWX

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 Enhanced Risk, with a 0.05 chance of a tornado within 25 miles. The outlook in force was issued at 01:04 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.

Cncnati-Daytn, OH (KILN), 00:00Z

3.6 hours before the tornado, 215 km from the path. April 1, 2023.

Skew-T log-pSkew-T log-p diagram, Cncnati-Daytn, OH at 00:00Z on 2023-04-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel lifted from the surface. Mixed-layer CAPE 0 joules per kilogram, CIN -81650, lifted condensation level 799 meters above ground. Wind barbs in knots down the right edge.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed. The warm shading is its CAPE, the cool shading the inhibition it has to break through.
HodographHodograph, Cncnati-Daytn, OH at 00:00Z on 2023-04-01The wind through the lowest 10 kilometers as a curve, rings every 10 meters per second labeled in knots. Zero to 1 km storm-relative helicity 456 square meters per square second, 0 to 6 km bulk shear 61 knots.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km. RM and LM are the right and left moving storms Bunkers' method gives; the shaded area is the 0 to 1 km storm-relative helicity.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
-81650 J/kg
Surface CAPE
0 J/kg
Mixed-layer LCL
799 m above ground
0-6 km bulk shear
61 kt
0-1 km bulk shear
35 kt
0-1 km storm-relative helicity
456 m²/s²
0-3 km storm-relative helicity
400 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0
0-3 km lapse rate
3.7 K/km

Open this sounding in Storm Lab

Cncnati-Daytn, OH (KILN), 12:00Z

8.4 hours after it, 215 km from the path. April 1, 2023.

Skew-T log-pSkew-T log-p diagram, Cncnati-Daytn, OH at 12:00Z on 2023-04-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel lifted from the surface. Mixed-layer CAPE 0 joules per kilogram, CIN -79747, lifted condensation level 1978 meters above ground. Wind barbs in knots down the right edge.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed. The warm shading is its CAPE, the cool shading the inhibition it has to break through.
HodographHodograph, Cncnati-Daytn, OH at 12:00Z on 2023-04-01The wind through the lowest 10 kilometers as a curve, rings every 10 meters per second labeled in knots. Zero to 1 km storm-relative helicity 247 square meters per square second, 0 to 6 km bulk shear 119 knots.1939587897117136156Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km. RM and LM are the right and left moving storms Bunkers' method gives; the shaded area is the 0 to 1 km storm-relative helicity.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
-79747 J/kg
Surface CAPE
1 J/kg
Mixed-layer LCL
1978 m above ground
0-6 km bulk shear
119 kt
0-1 km bulk shear
45 kt
0-1 km storm-relative helicity
247 m²/s²
0-3 km storm-relative helicity
191 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0
0-3 km lapse rate
5.7 K/km

Open this sounding in Storm Lab

The surface observations

Auburn (GWB), 19 km from the path, in the two hours either side.

Time (UTC)Temp (°F)Dew point (°F)WindGust (kt)Pressure (mb)Weather
01:55 UTC5955.4190° 8 kt18997.6
02:15 UTC5957.2190° 10 kt18997.3
02:35 UTC60.857.2190° 9 kt19996.6
02:55 UTC60.857.2190° 7 kt19995.9
03:15 UTC60.857.2180° 12 kt21994.9RA
03:35 UTC5957.2240° 17 kt31995.6+RA
03:55 UTC5957.2270° 29 kt41997.3+RA
04:15 UTC51.850280° 19 kt29997.6+RA
04:35 UTC51.850270° 14 kt21997.6RA
04:55 UTC51.850250° 7 kt998-RA
05:15 UTC5050210° 4 kt997.3
05:35 UTC5050200° 6 kt997.6

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

The radar

The Northern Indiana radar (KIWX), 65 km away, was scanning. The volume nearest the touchdown began at 03:34 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)ReportWhereCountyRemark
02:54 UTCTSTM WND DMG1 Ssw MahonHuntington, INTREE ACROSS ROAD. NO INFORMATION ON HEALTH OF TREE.
03:11 UTCHAIL 0.88AndrewsHuntington, INCORRECTS PREVIOUS HAIL REPORT FROM ANDREWS.
03:11 UTCHAIL 1AndrewsHuntington, IN
03:30 UTCTSTM WND DMG5 Nne New HavenAllen, IN5 SEMIS BLOWN OVER. DAMAGE TO COMMERCIAL STRUCTURE. TREE ON HOME ON NEARBY DOTY RD. VEHICLES BLOWN INTO YARD.
03:30 UTCTSTM WND GST 592 S CoesseWhitley, INMESONET STATION PDU05 NORTHEAST PURDUE AGRICULTURAL CE.
03:30 UTCTSTM WND GST 623 Nne Fort WayneAllen, IN
03:31 UTCTSTM WND GST 682 Ene Nine MileAllen, IN
03:35 UTCTSTM WND GST 682 Ene Nine MileAllen, INDELAYED REPORT.
03:36 UTCTORNADO3 N New HavenAllen, INEF2 TORNADO BEGAN HERE AND TRAVELED NORTHEAST FOR 7.9 MILES, ENDING 1 MILE SOUTH OF HARLAN INDIANA. MAXIMUM WIDTH WAS 400 YARDS.
03:36 UTCTORNADO3 N New HavenAllen, INTORNADO BEGAN HERE AND TRAVELED NORTHEAST FOR 7.9 MILES, ENDING 1 MILE SOUTH OF HARLAN INDIANA. MAXIMUM WIDTH WAS 400 YARDS.
03:40 UTCTSTM WND DMGHarlanAllen, INNUMEROUS REPORTS OF LARGE TREES AND POWERLINES DOWNED. ALSO RECEIVED A REPORT OF VEHICLES BLOWN OFF ROAD.
03:44 UTCTORNADO1 E HarlanAllen, INEF0 TORNADO BEGAN HERE AND TRAVELED 1.1 MILES NORTHEAST, ENDING 2 MILES SOUTH OF GEORGETOWN. MAXIMUM WIDTH WAS 75 YARDS.
03:44 UTCTORNADO1 E HarlanAllen, INTORNADO BEGAN HERE AND TRAVELED 1.1 MILES NORTHEAST, ENDING 2 MILES SOUTH OF GEORGETOWN. MAXIMUM WIDTH WAS 75 YARDS.
03:45 UTCTSTM WND DMG3 S FlintSteuben, INLARGE TREE DOWNED.
03:54 UTCTSTM WND GST 671 Wsw Lake JamesSteuben, IN
03:55 UTCTSTM WND DMG2 Sw PonetoWells, INSTRUCTURAL DAMAGE TO A BARN, POWER LINES DOWNED, AND DOWNED TREES.
03:55 UTCTSTM WND DMGDillmanWells, INBARN/SHED STRUCTURE DESTROYED. CAMPER TIPPED ON ITS SIDE. TIME ESTIMATED FROM RADAR.
03:55 UTCTSTM WND GST 682 N KendallvilleNoble, IN
04:00 UTCTSTM WND DMG1 W DillmanWells, INBARN ROOF BLOWN OFF. ROOF OF HOUSE ALSO PARTIALLY BLOWN OFF.
04:00 UTCTSTM WND DMG3 Nw DillmanWells, INPOWER FLASHES. 5 MILES NORTH OF MONTPELIER LOOKING SE AT 12:00 AM. VIDEO ON TWITTER.
04:00 UTCTSTM WND DMGDillmanWells, INLIMBS AND POWERLINES DOWNED.
04:00 UTCTSTM WND GST 602 E BlufftonWells, IN
04:00 UTCTSTM WND GST 641 Sse WallenAllen, INSMITH FIELD AIRPORT AWOS.

From the Iowa Environmental Mesonet's archive of National Weather Service local storm reports.

This ground now

The live radar over the trackEvery 2023 tornado in IndianaEvery tornado in Indiana since 1950Warnings in force in Indiana nowThe forecast where you are

The other tornadoes of March 31, 2023

126 more were confirmed in the United States that day.

DateTimeRatingWherePath (mi)Width (yd)DeathsInjuriesDamage
March 312:18 PM CDTEF3Little Rock tornado, AR34.280054$90 million
March 312:37 PM CDTUnratedTazewell, IL0.310
March 313:15 PM CDTEF1Tazewell, IL0.910
March 313:23 PM CDTUnratedWoodford, IL0.620
March 313:36 PM CDTEF3Wapello, IA26.11,000$2.0 million
March 313:45 PM CDTEF1Prairie, AR1.1100
March 313:52 PM CDTUnratedPoweshiek, IA3.660
March 314:05 PM CDTUnratedLivingston, IL0.015
March 314:10 PM CDTEF4Keota–Wellman tornado, IA19.97003
March 314:22 PM CDTEF1Grundy, IA3.580$50,000
March 314:22 PM CDTEF1Grundy, IA4.180$50,000
March 314:30 PM CDTEF3Wynne–Parkin tornado, Arkansas and Tennessee72.51,600426$151 million
March 314:36 PM CDTEF2Benton, IA1.750
March 314:37 PM CDTEF0Johnson, IA6.150
March 314:46 PM CDTEF2Johnson, IA16.9752
March 314:47 PM CDTEF2Benton, IA4.950
March 314:49 PM CDTEF2Stone, AR6.8125
March 314:51 PM CDTUnratedBenton, IA1.410
March 314:53 PM CDTEF2Johnson, IA14.7100
March 315:03 PM CDTUnratedBuchanan, IA1.710
March 315:06 PM CDTEF2Johnson, IA9.075
March 315:06 PM CDTEF1Cedar, IA8.310
March 315:14 PM CDTEF2Cedar, IA16.4250
March 315:15 PM CDTUnratedScott, IL0.510
March 315:17 PM CDTEF1Cedar, IA5.2100
March 315:18 PM CDTEF2Cedar, IA19.62002
March 315:20 PM CDTEF1Delaware, IA4.150
March 315:27 PM CDTUnratedMorgan, IL0.710
March 315:32 PM CDTEF1Delaware, IA11.190
March 315:35 PM CDTEF0Morgan, IL1.130
March 315:41 PM CDTEF1Jones, IA1.450
March 315:41 PM CDTEF2Des Moines, IA0.9150
March 315:48 PM CDTEF3Covington tornado, TN39.22,000128$80 million
March 315:50 PM CDTEF2Clinton, IA18.03501
March 315:58 PM CDTEF1Jackson, IA1.250
March 316:09 PM CDTEF0Jackson, IA0.215
March 316:12 PM CDTEF2Sangamon, IL5.4400
March 316:16 PM CDTEF1Jackson, IA to IL1.91003
March 316:18 PM CDTEF2Sangamon, IL21.0200
March 316:24 PM CDTEF2Henry, IL3.5300
March 316:33 PM CDTEF2Henry, IL3.0200
March 316:36 PM CDTEF2Henry, IL9.3440
March 316:37 PM CDTEF2Henry, IL6.8650
March 316:39 PM CDTEF1Carroll, IL1.050
March 316:47 PM CDTEF0Macoupin, IL6.3150$25,000
March 316:48 PM CDTEF1Whiteside, IL13.9150
March 316:48 PM CDTEF1Iowa, WI1.175$300,000
March 316:50 PM CDTEF1Lafayette, WI5.575$1.0 million
March 316:50 PM CDTEF1Carroll, IL11.0200
March 316:55 PM CDTEF1Lafayette, WI6.675$600,000
March 317:03 PM CDTUnratedPhillips, AR2.8100
March 317:06 PM CDTEF0Christian, IL4.120
March 317:08 PM CDTEF2Lee, IL9.3350
March 317:13 PM CDTEF1Lee, IL7.875
March 317:13 PM CDTEF1Christian, IL1.730
March 317:16 PM CDTEF0Green, WI3.075$400,000
March 317:20 PM CDTEF1Green, WI10.250$600,000
March 317:24 PM CDTEF1Ogle, IL27.5600140
March 317:26 PM CDTEF0Green, WI5.875$400,000
March 317:31 PM CDTEF1Winnebago, IL5.8300

All 127 of them

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.