Alert archive / Massachusetts / Winter Weather Advisories / 2021
Winter Weather Advisories in Massachusetts, December 2021
10 winter weather advisories in December 2021. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of winter weather advisories reaches back to 2005.
Winter Weather Advisories by county
Each county as a circle sized by its count in December 2021. Tap one for its archive.
- Winter Weather Advisories
- 10
- Busiest day
- December 17, 20212 winter weather advisories
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 |
|---|---|---|---|---|
| Dec 2, 5:06 AM EST | Winter Weather Advisory | BOX | Franklin, Hampshire, Middlesex, Worcester | 3 hr |
| Dec 10, 10:03 PM EST | Winter Weather Advisory | BOX | Franklin, Middlesex, Worcester | 11 hr |
| Dec 17, 3:11 AM EST | Winter Weather Advisory | BOX | Essex, Franklin, Hampden, Hampshire, Middlesex, Worcester | 51 hr |
| Dec 17, 3:35 AM EST | Winter Weather Advisory | ALY | Berkshire | 50 hr |
| Dec 21, 3:26 AM EST | Winter Weather Advisory | BOX | Essex, Franklin, Hampden, Hampshire, Middlesex, Worcester | 32 hr |
| Dec 21, 3:44 PM EST | Winter Weather Advisory | ALY | Berkshire | 18 hr |
| Dec 24, 3:33 AM EST | Winter Weather Advisory | ALY | Berkshire | 44 hr |
| Dec 24, 3:39 AM EST | Winter Weather Advisory | BOX | Bristol, Essex, Franklin, Hampden, Hampshire, Middlesex and 4 more | 49 hr |
| Dec 27, 3:14 AM EST | Winter Weather Advisory | BOX | Franklin, Hampden, Hampshire, Middlesex, Worcester | 30 hr |
| Dec 27, 3:21 AM EST | Winter Weather Advisory | ALY | Berkshire | 28 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20202022
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. Warning verification from the Mesonet's Cow. Rebuilt daily.