Deep low pressure was located over Wisconsin with a warm front extending across northern Indiana. 1000 to 2000 J/KG MLCAPE advected in with area of clearing with effective helicity values in excess of 200 m2/s2. Several strong to severe storms developed with intense microbursts in a few spots as well as a weak tornado.

Thunderstorm Wind in LA PORTE, INDIANA
From 20-JUL-18 11:46:00 to 20-JUL-18 11:47:00 (CST-6)
Location: TRAIL CREEK
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Local media reported a tree limb fell onto a vehicle at the intersection of Greenwood and Woodland Ave in Michigan City. The impact caused a fire, with a 25 year old female driver having to be extricated. She was reported in critical condition at the time with no further details available on her condition.

Thunderstorm Wind in BLACKFORD, INDIANA
From 20-JUL-18 15:20:00 to 20-JUL-18 15:21:00 (EST-5)
Location: HARTFORD CITY
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Trained spotters reported a partially rotten tree was blown down.

Thunderstorm Wind in ELKHART, INDIANA
From 20-JUL-18 13:15:00 to 20-JUL-18 13:16:00 (EST-5)
Location: NAPPANEE
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Local media reported a barn suffered mainly roof damage.

Thunderstorm Wind in ELKHART, INDIANA
From 20-JUL-18 13:40:00 to 20-JUL-18 13:41:00 (EST-5)
Location: BRISTOL
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Multiple tree limbs were reported blown down.

Thunderstorm Wind in KOSCIUSKO, INDIANA
From 20-JUL-18 13:35:00 to 20-JUL-18 13:36:00 (EST-5)
Location: CLUNETTE
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Three power poles were snapped onto a local road.

Thunderstorm Wind in KOSCIUSKO, INDIANA
From 20-JUL-18 13:06:00 to 20-JUL-18 13:07:00 (EST-5)
Location: ETNA GREEN
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency management officials reported tree limbs were blown down along with damage to a grain bin and barn. Corn in a nearby field was also flattened. No indications of a circulation were noted, with damage most likely from an intense microburst around 70 mph.

Thunderstorm Wind in KOSCIUSKO, INDIANA
From 20-JUL-18 13:36:00 to 20-JUL-18 13:37:00 (EST-5)
Location: BEAVER DAM
Magnitude: 70.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency management officials reported extensive tree damage in and around the Silver Lake and Beaver Dam Lake area. A weak circulation was noted on radar in the area, but damage was laid out in a southeasterly direction, suggesting a microburst of 70 to 80 mph impacted the area.

Thunderstorm Wind in KOSCIUSKO, INDIANA
From 20-JUL-18 13:25:00 to 20-JUL-18 13:26:00 (EST-5)
Location: BURKET
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency management officials reported several trees were blown down.

Tornado in MARSHALL, INDIANA
From 20-JUL-18 12:53:00 to 20-JUL-18 12:55:00 (EST-5)
Location: LAKE OF THE WOODS
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Drone pictures indicate that a disorganized tornado touched down southwest of the intersection of County Road 6B and Ironwood Road. The NW corner of a barn suffered damage to a cinder block wall. Corn was observed laid down in a semi convergent pattern as the tornado moved northeast across 6B and eventually Ironwood Road where some tree branches were broken along Issac Sells Ditch. The tornado lifted at this point with no further damage noted.

Thunderstorm Wind in MARSHALL, INDIANA
From 20-JUL-18 13:05:00 to 20-JUL-18 13:06:00 (EST-5)
Location: BOURBON
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Local media reported a tree was blown down across a local road.

Thunderstorm Wind in NOBLE, INDIANA
From 20-JUL-18 14:35:00 to 20-JUL-18 14:36:00 (EST-5)
Location: KENDALLVILLE
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency management officials reported a large tree limb came down onto power lines at the Noble County Fairgrounds.

Thunderstorm Wind in STEUBEN, INDIANA
From 20-JUL-18 06:15:00 to 20-JUL-18 06:16:00 (EST-5)
Location: ANGOLA
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency management officials reported damage to several large trees. Examination of pictures and radar data suggests classic downburst winds of around 70 mph.

Tornado in WABASH, INDIANA
From 20-JUL-18 14:14:00 to 20-JUL-18 14:15:00 (EST-5)
Location: LINCOLNVILLE
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A tornado touched down north of the intersection of E CR 700 S and
S CR 390 E where three trees were uprooted, several tree branches
broken and a roof removed from an outbuilding. The tornado
continued northeast, crossing S America Road where trees were
uprooted and tree limbs broken at a residence where it lifted.

Thunderstorm Wind in WELLS, INDIANA
From 20-JUL-18 15:00:00 to 20-JUL-18 15:01:00 (EST-5)
Location: CRAIGVILLE
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported a 13 inch diameter tree blown down with several large tree branches also down.

Thunderstorm Wind in WELLS, INDIANA
From 20-JUL-18 15:00:00 to 20-JUL-18 15:01:00 (EST-5)
Location: TOCSIN
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported damage to roof shingles on a home near County Road 700 N and 600 E, as well as nearby crop damage.

Hail in WABASH, INDIANA
From 20-JUL-18 14:22:00 to 20-JUL-18 14:23:00 (EST-5)
Location: LINCOLNVILLE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency management officials reported hail to the size of quarters lasted for about 30 seconds.