A somewhat surprise localized advisory level snow fell with marginal surface temperatures across far northern portions of Southern Connecticut from the late evening hours on December 4th, into the overnight hours of the early morning of December 5th. An upper level disturbance rotated around the base of a longwave trough as the primary surface low tracked well north of the region.
Every event with a place to put it; 3 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
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.
The episode as NWS OKX wrote it up.
A somewhat surprise localized advisory level snow fell with marginal surface temperatures across far northern portions of Southern Connecticut from the late evening hours on December 4th, into the overnight hours of the early morning of December 5th. An upper level disturbance rotated around the base of a longwave trough as the primary surface low tracked well north of the region. Noticeably less to trace amounts of snow fell further south across Southern Connecticut closer to the coast.
The national radar mosaic for the moment the first event began.
3 winter weather. Local standard time, as filed.
Public observers reported 4.5 inches in Wolcott and 2.9 inches at 2 SE Beacon Falls. Cocorahs observers reported 3.5 inches in Naugatuck and 2.5 inches in Waterbury. A trained spotter reported 3.3 inches in Seymour.
Trained spotters reported 3.2 inches at 4 NNW New Fairfield, 2.5 inches at 1 E Danbury, and 2.4 inches at 3 WSW Shelton. Cocorahs observers also reported 3.0 inches at Ridgefield, 2.8 inches 4.5 SSE Bethel, and 2.5 inches in Monroe.
An emergency manager reported 5.5 inches in Lisbon and a Cocorahs observer reported 2.2 inches in Norwich. A few hundred power outages were reported across interior New London from weighted wet snow and wind. More power outages were reported just north of the CWA border, this information was passed along to us by DESPP / DEMHS.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Connecticut in 2024Every state in 2024This day in weather historyWarnings in Connecticut, December 2024
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 2026-09-30. Each event’s entry at NCEI: 1220563, 1220561, 1220564.