Indiana, 1991

Tornadoes and Hail in Indiana, May 17, 1991

May 17, 1991 · NWS IND · 17 events in 10 counties and zones

12 thunderstorm wind, 3 hail, 2 tornado, as filed by the National Weather Service.

Where it happened

Every event with a place to put it. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

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The toll

Deaths
0
Injuries
0
Property damage
$500,000
Crop damage
None recorded
Events
17

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

Event by event

12 thunderstorm wind, 3 hail, 2 tornado. Local standard time, as filed.

Tornado, Montgomery

When
May 17, 3:03 PM EST
Where
Montgomery County
Rating
F1
Path length
0.1 mi
Path width
40 yd
Property damage
$250,000
Coordinates
40.030, -86.900

Thunderstorm Wind, Fountain

When
May 17, 2:30 PM CST
Where
Fountain County
Coordinates
40.170, -87.250

Tornado, Boone

When
May 17, 3:30 PM EST
Where
Boone County
Rating
F0
Path length
0.2 mi
Path width
20 yd
Property damage
$250,000
Coordinates
40.130, -86.600

Hail, Montgomery

When
May 17, 2:50 PM CST
Where
Montgomery County
Measured
1.75 in hail
Coordinates
40.180, -87.070

Hail, Montgomery

When
May 17, 3:20 PM CST
Where
Montgomery County
Measured
1.75 in hail
Coordinates
40.100, -86.780

Hail, Clinton

When
May 17, 3:33 PM CST
Where
Clinton County
Measured
1 in hail
Coordinates
40.200, -86.670

Thunderstorm Wind, Boone

When
May 17, 3:50 PM CST
Where
Boone County
Coordinates
39.930, -86.400

Thunderstorm Wind, Montgomery

When
May 17, 3:50 PM CST
Where
Montgomery County
Coordinates
40.030, -86.900

Thunderstorm Wind, Marion

When
May 17, 3:50 PM CST
Where
Marion County
Measured
52 kt (60 mph)
Coordinates
39.780, -86.150

Thunderstorm Wind, Hamilton

When
May 17, 3:59 PM CST
Where
Hamilton County
Coordinates
39.980, -86.130

Thunderstorm Wind, Marion

When
May 17, 4:05 PM CST
Where
Marion County
Measured
58 kt (67 mph)
Coordinates
39.830, -86.200

Thunderstorm Wind, Hamilton

When
May 17, 4:23 PM CST
Where
Hamilton County
Measured
63 kt (72 mph)
Coordinates
40.170, -86.020

Thunderstorm Wind, Madison

When
May 17, 4:40 PM CST
Where
Madison County
Measured
55 kt (63 mph)
Coordinates
40.120, -85.620

Thunderstorm Wind, Henry

When
May 17, 5:04 PM CST
Where
Henry County
Coordinates
40.050, -85.530

Thunderstorm Wind, Henry

When
May 17, 5:09 PM CST
Where
Henry County
Measured
70 kt (81 mph)
Coordinates
39.950, -85.370

Thunderstorm Wind, Randolph

When
May 17, 5:15 PM CST
Where
Randolph County
Coordinates
40.150, -85.020

Thunderstorm Wind, Wayne

When
May 17, 5:40 PM CST
Where
Wayne County
Coordinates
39.950, -84.970

What these are

Tornado
A violently rotating column of air in contact with the ground and extending from a thunderstorm, filed with its path, width and Fujita or Enhanced Fujita rating from the damage survey.
Thunderstorm Wind
Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.
Hail
Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Indiana in 1991Every state in 1991This day in weather historyThe tornado archive for Indiana, 1991Warnings in Indiana, May 1991

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 10016255, 10016253, 10016257, 10016254, 10016256, 10016258, 10016259, 10016260, 10016261, 10016262, 10016263, 10016264, 10016265, 10016266, 10016267, 10016268, 10016269.