Indiana, 2020

Winter Weather in Indiana, December 29 to 30, 2020

December 29 to 30, 2020 · NWS LOT · 2 events in 2 counties and zones

A winter storm moved across northwest Indiana during the late afternoon of December 29th into the early morning of December 30th. A period of heavy snow occurred in the late afternoon into the evening when 2 to 3 inches of snow fell.

Where it happened

Every event with a place to put it; 2 filed by county or forecast zone are drawn at its center, in a lighter ring. 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
None recorded
Crop damage
None recorded
Events
2

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 LOT wrote it up.

A winter storm moved across northwest Indiana during the late afternoon of December 29th into the early morning of December 30th. A period of heavy snow occurred in the late afternoon into the evening when 2 to 3 inches of snow fell. The precipitation transitioned to light freezing rain early in the morning of the 30th with many areas receiving up to one tenth of an inch of ice.

What forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Chicago, IL wrote its last area forecast discussion before the first event at Dec 28, 5:32 PM CST, 22 hours 13 minutes earlier.

Area forecast discussion, Dec 28, 5:32 PM CST, 22 hours 13 minutes before
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Hazardous weather outlook, Dec 28, 4:21 PM CST, 23 hours 24 minutes before
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The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

2 winter weather. Local standard time, as filed.

Winter Weather, Lake

When
December 29, 3:45 PM CST to December 30, 6:00 AM CST
Where
Lake forecast zone
Reported by
Trained Spotter
Coordinates
41.472, -87.376 (the zone’s center; the record gives no point)

Winter Weather, Porter

When
December 29, 4:00 PM CST to December 30, 6:00 AM CST
Where
Porter forecast zone
Reported by
Trained Spotter
Coordinates
41.509, -87.073 (the zone’s center; the record gives no point)

What these are

Winter Weather
Snow, sleet or freezing rain below warning levels that still caused disruption, damage or casualties.

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

The same day elsewhere

More

Every storm in Indiana in 2020Every state in 2020This day in weather historyWarnings in Indiana, December 2020

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 2026-10-01. Each event’s entry at NCEI: 932769, 932770.