Winter Weather — Southern New London, Connecticut

2023-02-27 to 2023-02-28 · Southern New London, Connecticut

Event narrative

Cocorahs observers reported 4.0 inches in Groton, 3.0 inches in Niantic, 3.0 inches in Old Lyme, and 4.3 inches in Mystic. A trained spotter reported 3. 4 inches at 1 NNE Groton.

Wider weather episode

Weak high pressure and a marginally cold air mass was locked into the northeast with blocking to the north across Eastern Canada, while low pressure over the Midwest moved east and redeveloped off the Northern Mid Atlantic coast. This led to the first widespread accumulating snowfall across the CWA.

Source: NOAA Storm Events Database, event_id 1075055. Narrative written by the NWS forecast office that issued the report.