Weather alerts in Connecticut, December 2020

62 weather alerts in December 2020, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.

Weather alerts by county

Each county as a circle sized by its count in December 2020. Tap one for its archive.

Alerts: 62
Warnings: 22
Watches: 10
Advisories: 22
Busiest day: December 25, 202019 alerts

Over time

By day

Days in UTC, the clock the archive keeps.

The alerts

Every alert, in the order issued. Times are local, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.

Issued	Product	Office	Counties	Lasted
Nov 30, 7:13 PM EST	Mesoscale Discussion	SPC		2 hr
Nov 30, 8:10 PM EST	River Flood Warning	ALY	Greater Bridgeport Planning Region, Naugatuck Valley Planning Region	10 hr
Dec 1, 1:07 AM EST	River Flood Warning	ALY	Greater Bridgeport Planning Region, Northwest Hills Planning Region	16 hr
Dec 3, 3:52 PM EST	Winter Storm Watch	BOX	Northeastern Connecticut Planning Region	35 hr
Dec 4, 3:02 PM EST	Winter Storm Warning	BOX	Northeastern Connecticut Planning Region	29 hr
Dec 4, 3:29 PM EST	Winter Weather Advisory	ALY	Northwest Hills Planning Region	28 hr
Dec 5, 2:48 AM EST	Winter Weather Advisory	BOX	Capitol Planning Region	17 hr
Dec 5, 7:52 AM EST	Mesoscale Discussion	SPC		4 hr
Dec 5, 11:00 AM EST	Winter Weather Advisory	OKX	Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Southeastern Connecticut Planning Region	7 hr
Dec 12, 5:19 AM EST	Dense Fog Advisory	OKX	Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Southeastern Connecticut Planning Region	5 hr
Dec 12, 6:27 PM EST	Dense Fog Advisory	OKX	Greater Bridgeport Planning Region, Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Southeastern Connecticut Planning Region	17 min
Dec 12, 6:44 PM EST	Dense Fog Advisory	OKX	Greater Bridgeport Planning Region, Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Southeastern Connecticut Planning Region	3 hr
Dec 12, 6:46 PM EST	Dense Fog Advisory	BOX	Capitol Planning Region, Northeastern Connecticut Planning Region	15 hr
Dec 13, 12:03 AM EST	Dense Fog Advisory	OKX	Greater Bridgeport Planning Region, Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Southeastern Connecticut Planning Region	9 hr
Dec 14, 3:40 PM EST	Winter Storm Watch	ALY	Northwest Hills Planning Region	24 hr
Dec 14, 3:45 PM EST	Winter Storm Watch	BOX	Capitol Planning Region, Northeastern Connecticut Planning Region	36 hr
Dec 14, 4:00 PM EST	Winter Storm Watch	OKX	Greater Bridgeport Planning Region, Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Southeastern Connecticut Planning Region	36 hr
Dec 15, 3:14 PM EST	Winter Storm Warning	BOX	Capitol Planning Region, Northeastern Connecticut Planning Region	46 hr
Dec 15, 3:40 PM EST	Winter Storm Warning	OKX	Greater Bridgeport Planning Region, Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Southeastern Connecticut Planning Region	45 hr
Dec 15, 3:41 PM EST	Coastal Flood Advisory	OKX	Greater Bridgeport Planning Region, Naugatuck Valley Planning Region	37 hr
Dec 15, 3:54 PM EST	Winter Storm Warning	ALY	Northwest Hills Planning Region	45 hr
Dec 16, 2:51 PM EST	Coastal Flood Advisory	OKX	Greater Bridgeport Planning Region	23 hr
Dec 16, 6:48 PM EST	Mesoscale Discussion	SPC		5 hr
Dec 16, 10:12 PM EST	Mesoscale Discussion	SPC		6 hr
Dec 17, 1:28 PM EST	Special Weather Statement	OKX		2 hr
Dec 21, 12:21 AM EST	Dense Fog Advisory	BOX	Capitol Planning Region, Northeastern Connecticut Planning Region	7 hr
Dec 21, 1:11 AM EST	Dense Fog Advisory	OKX	Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Southeastern Connecticut Planning Region	6 hr
Dec 22, 3:06 PM EST	Flood Watch	ALY	Northwest Hills Planning Region	3 days
Dec 22, 3:28 PM EST	High Wind Watch	BOX	Northeastern Connecticut Planning Region	23 hr
Dec 22, 3:49 PM EST	High Wind Watch	OKX	Greater Bridgeport Planning Region, Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Southeastern Connecticut Planning Region	23 hr
Dec 23, 3:35 AM EST	High Wind Watch	ALY	Northwest Hills Planning Region	12 hr
Dec 23, 2:05 PM EST	Flood Watch	BOX	Capitol Planning Region, Northeastern Connecticut Planning Region	51 hr
Dec 23, 2:30 PM EST	High Wind Warning	BOX	Capitol Planning Region, Northeastern Connecticut Planning Region	45 hr
Dec 23, 2:43 PM EST	Flood Watch	OKX	Greater Bridgeport Planning Region, Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Southeastern Connecticut Planning Region	43 hr
Dec 23, 2:55 PM EST	High Wind Warning	OKX	Greater Bridgeport Planning Region, Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Southeastern Connecticut Planning Region	41 hr
Dec 23, 2:55 PM EST	Wind Advisory	OKX	Greater Bridgeport Planning Region, Naugatuck Valley Planning Region	35 hr
Dec 23, 3:18 PM EST	High Wind Warning	ALY	Northwest Hills Planning Region	43 hr
Dec 24, 4:20 AM EST	Coastal Flood Statement	OKX	Greater Bridgeport Planning Region, Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Southeastern Connecticut Planning Region	23 hr
Dec 24, 4:27 AM EST	Coastal Flood Advisory	OKX	Greater Bridgeport Planning Region, Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Southeastern Connecticut Planning Region	28 hr
Dec 25, 2:24 AM EST	Areal Flood Advisory	OKX	Greater Bridgeport Planning Region	5 hr
Dec 25, 3:14 AM EST	Areal Flood Advisory	OKX	Greater Bridgeport Planning Region, Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Southeastern Connecticut Planning Region	82 min
Dec 25, 4:35 AM EST	Areal Flood Warning	OKX	Greater Bridgeport Planning Region, Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Southeastern Connecticut Planning Region	5 hr
Dec 25, 5:51 AM EST	Areal Flood Advisory	ALY	Northwest Hills Planning Region	4 hr
Dec 25, 5:55 AM EST	River Flood Warning	ALY	Greater Bridgeport Planning Region, Naugatuck Valley Planning Region	40 hr
Dec 25, 6:19 AM EST	Special Weather Statement	OKX		41 min
Dec 25, 6:53 AM EST	Special Weather Statement	BOX		52 min
Dec 25, 7:18 AM EST	Areal Flood Advisory	ALY	Northwest Hills Planning Region	5 hr
Dec 25, 8:38 AM EST	River Flood Warning	ALY	Greater Bridgeport Planning Region, Northwest Hills Planning Region	30 hr
Dec 25, 8:52 AM EST	Areal Flood Warning	BOX	Northeastern Connecticut Planning Region	8 hr
Dec 25, 10:03 AM EST	Wind Advisory	BOX	Northeastern Connecticut Planning Region	95 min
Dec 25, 10:22 AM EST	River Flood Warning	OKX	Southeastern Connecticut Planning Region	14 hr
Dec 25, 11:12 AM EST	Areal Flood Advisory	ALY	Northwest Hills Planning Region	2 hr
Dec 25, 11:24 AM EST	Areal Flood Warning	BOX	Capitol Planning Region	5 hr
Dec 25, 12:11 PM EST	Areal Flood Advisory	OKX	Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region	4 hr
Dec 25, 12:41 PM EST	River Flood Warning	BOX	Capitol Planning Region	24 hr
Dec 25, 12:41 PM EST	River Flood Warning	BOX	Capitol Planning Region, Lower Connecticut River Valley Planning Region	21 days
Dec 25, 12:41 PM EST	River Flood Warning	BOX	Capitol Planning Region	47 hr
Dec 25, 3:39 PM EST	River Flood Warning	ALY	Northwest Hills Planning Region	30 hr
Dec 26, 1:02 AM EST	River Flood Warning	ALY	Northwest Hills Planning Region	23 hr
Dec 26, 4:25 AM EST	River Flood Warning	BOX	Southeastern Connecticut Planning Region	30 hr
Dec 26, 7:05 AM EST	River Flood Warning	BOX	Lower Connecticut River Valley Planning Region	3 days
Dec 30, 3:24 AM EST	Winter Weather Advisory	ALY	Northwest Hills Planning Region	24 hr

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

Product	Alerts
Severe storms
Mesoscale Discussion	4
Special Weather Statement	3
Flooding
Areal Flood Warning	3
River Flood Warning	12
Flood Watch	3
Areal Flood Advisory	6
Winter
Winter Storm Warning	4
Winter Storm Watch	4
Winter Weather Advisory	4
Wind and dust
High Wind Warning	3
High Wind Watch	3
Wind Advisory	2
Fog and smoke
Dense Fog Advisory	7
Coast and beach
Coastal Flood Advisory	3
Coastal Flood Statement	1

By county

Every county with at least one alert. A county page lists each alert that covered it.

Nearby

Alerts in force now Tornadoes on record The radar archive 2019 2021

Sources

National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Rebuilt daily.