Minnesota Sees Glimpse Of Winter, But Why Did Snowflakes Accumulate So Quickly In Some Areas?

From CBS Minnesota:

October 16, 2020

MINNEAPOLIS (WCCO) — Minnesota is seeing a brief glimpse of winter-like conditions Friday, with snowflakes falling hard in some areas.

Some areas, like St. Augusta, reported a half an inch of snow accumulation on the grass Friday morning. A somewhat unusual sight in mid-October.

So, what causes these conditions?

Read more at CBS Minnesota