Indiana, 1999

Hail and Damaging Winds in Indiana, May 17, 1999

May 17, 1999 · NWS IWX · 14 events in 6 counties and zones

A moist low-level atmosphere and an upper-level trough over the western Great Lakes combined to produce very unstable conditions across the region. Convection formed along a lake breeze boundary southeast of Lake Michigan.

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

Open the live radar over this ground

The toll

Deaths
0
Injuries
0
Property damage
$28,000
Crop damage
None recorded
Events
14

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.

What happened

The episode as NWS IWX wrote it up.

Synopsis for May 17th...A moist low-level atmosphere and an upper-level trough over the western Great Lakes combined to produce very unstable conditions across the region. Convection formed along a lake breeze boundary southeast of Lake Michigan. With the numerous outflow boundaries from earlier convection the thunderstorms continued to move east throughout the evening.

The radar

The Northern Indiana radar (KIWX), 91 km away, was scanning. The volume nearest the first event began at 19:00 UTC.

Open the radar archive at this moment

Event by event

10 hail, 4 thunderstorm wind. Local standard time, as filed.

Hail, La Porte

When
May 17, 2:02 PM EST
Where
La Porte County, 2 mi SW of La Porte
Measured
1 in hail
Reported by
AMATEUR RADIO
Coordinates
41.580, -86.750

Thunderstorm Wind, Elkhart

When
May 17, 2:22 PM EST
Where
Elkhart County, 3 mi NE of Wakarusa
Property damage
$3,000
Reported by
UNKNOWN
Coordinates
41.570, -85.980

Trees and power lines down.

Hail, Grant

When
May 17, 2:30 PM EST
Where
Grant County, Rigdon
Measured
1.75 in hail
Reported by
AMATEUR RADIO
Coordinates
40.380, -85.780

Thunderstorm Wind, Elkhart

When
May 17, 2:35 PM EST
Where
Elkhart County, Elkhart
Property damage
$5,000
Reported by
NEWSPAPER
Coordinates
41.680, -85.970

Power lines down on Beardsley Rd. between Main and Cassopolis. Several trees blown down in Sturdy Oaks subdivision.

Hail, Grant

When
May 17, 2:45 PM EST
Where
Grant County, Gas City
Measured
1.75 in hail
Reported by
AMATEUR RADIO
Coordinates
40.480, -85.620

Thunderstorm Wind, Grant

When
May 17, 2:45 PM EST
Where
Grant County, 2 mi N of Hackleman
Property damage
$10,000
Reported by
UNKNOWN
Coordinates
40.450, -85.750

Trailer damaged from falling trees.

Thunderstorm Wind, Grant

When
May 17, 2:45 PM EST
Where
Grant County, Fowlerton
Property damage
$10,000
Reported by
UNKNOWN
Coordinates
40.420, -85.570

Two roofs partially torn off.

Hail, Grant

When
May 17, 2:46 PM EST
Where
Grant County, Marion
Measured
0.75 in hail
Reported by
AMATEUR RADIO
Coordinates
40.550, -85.580

Hail, Grant

When
May 17, 3:00 PM EST
Where
Grant County, Gas City
Measured
1.75 in hail
Reported by
UNKNOWN
Coordinates
40.480, -85.620

Hail, Miami

When
May 17, 3:30 PM EST
Where
Miami County, Bennetts Switch
Measured
1 in hail
Reported by
UNKNOWN
Coordinates
40.580, -86.120

Hail, Wabash

When
May 17, 4:20 PM EST
Where
Wabash County, Treaty
Measured
0.75 in hail
Reported by
UNKNOWN
Coordinates
40.720, -85.780

Hail, Wabash

When
May 17, 4:21 PM EST
Where
Wabash County, Wabash
Measured
0.75 in hail
Reported by
UNKNOWN
Coordinates
40.800, -85.820

Hail, Elkhart

When
May 17, 6:10 PM EST
Where
Elkhart County, Bristol
Measured
0.75 in hail
Reported by
UNKNOWN
Coordinates
41.720, -85.820

Hail, Kosciusko

When
May 17, 6:45 PM EST
Where
Kosciusko County, 5 mi NW of North Webster
Measured
0.75 in hail
Reported by
UNKNOWN
Coordinates
41.370, -85.770

What these are

Hail
Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
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.

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

The same day elsewhere

More

Every storm in Indiana in 1999Every state in 1999This day in weather historyWarnings in Indiana, May 1999

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: 5690584, 5690585, 5690586, 5690587, 5690588, 5690589, 5690590, 5690591, 5690592, 5690594, 5690595, 5690596, 5690597, 5690598.