Alert archive / Massachusetts / 2021
Weather alerts in Massachusetts, April 2021
43 weather alerts in April 2021, 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 April 2021. Tap one for its archive.
- Alerts
- 43
- Warnings
- 8
- Watches
- 8
- Advisories
- 16
- Busiest day
- April 21, 202111 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 |
|---|---|---|---|---|
| Apr 3, 3:13 PM EDT | Small Craft Advisory | BOX | 3 days | |
| Apr 4, 3:42 PM EDT | Small Craft Advisory | BOX | 60 hr | |
| Apr 10, 3:39 PM EDT | Small Craft Advisory | BOX | 5 days | |
| Apr 11, 2:39 AM EDT | Dense Fog Advisory | BOX | Barnstable, Bristol, Dukes, Nantucket, Plymouth | 7 hr |
| Apr 13, 10:34 AM EDT | Small Craft Advisory | BOX | 6 hr | |
| Apr 14, 3:13 AM EDT | Gale Watch | BOX | 24 hr | |
| Apr 14, 3:13 AM EDT | Small Craft Advisory | BOX | 4 days | |
| Apr 14, 3:15 AM EDT | Winter Storm Watch | BOX | Franklin, Hampden, Hampshire | 24 hr |
| Apr 14, 4:48 AM EDT | Winter Storm Watch | ALY | Berkshire | 23 hr |
| Apr 15, 3:37 AM EDT | Winter Storm Watch | BOX | Middlesex, Worcester | 12 hr |
| Apr 15, 3:37 AM EDT | Winter Storm Warning | BOX | Franklin, Hampshire, Middlesex, Worcester | 40 hr |
| Apr 15, 3:37 AM EDT | Winter Weather Advisory | BOX | Franklin, Hampden, Hampshire, Middlesex, Worcester | 40 hr |
| Apr 15, 3:40 AM EDT | Gale Warning | BOX | 48 hr | |
| Apr 15, 4:03 AM EDT | Winter Storm Warning | ALY | Berkshire | 40 hr |
| Apr 15, 4:03 AM EDT | Winter Weather Advisory | ALY | Berkshire | 40 hr |
| Apr 16, 3:42 AM EDT | Wind Advisory | BOX | Essex | 15 hr |
| Apr 20, 4:09 AM EDT | Gale Watch | BOX | 11 hr | |
| Apr 20, 4:09 AM EDT | Small Craft Advisory | BOX | 11 hr | |
| Apr 20, 3:33 PM EDT | Gale Warning | BOX | 3 days | |
| Apr 21, 11:49 AM EDT | Mesoscale Discussion | SPC | Berkshire, Franklin, Hampden, Hampshire, Worcester | 2 hr |
| Apr 21, 12:28 PM EDT | Severe Thunderstorm Watch | SPC | Berkshire, Franklin, Hampden, Hampshire, Worcester | 5 hr |
| Apr 21, 2:15 PM EDT | Special Weather Statement | BOX | Franklin, Hampden, Hampshire, Worcester | 90 min |
| Apr 21, 2:56 PM EDT | Mesoscale Discussion | SPC | Franklin, Hampden, Hampshire, Middlesex, Worcester | 94 min |
| Apr 21, 3:06 PM EDT | Special Weather Statement | ALY | Berkshire | 24 min |
| Apr 21, 3:17 PM EDT | Severe Thunderstorm Warning | BOX | Hampden, Hampshire | 58 min |
| Apr 21, 3:25 PM EDT | Special Weather Statement | BOX | Franklin | 50 min |
| Apr 21, 4:11 PM EDT | Special Weather Statement | BOX | Worcester | 49 min |
| Apr 21, 4:13 PM EDT | Freeze Watch | BOX | Bristol, Norfolk, Plymouth | 24 hr |
| Apr 21, 4:42 PM EDT | Special Weather Statement | BOX | Worcester | 48 min |
| Apr 21, 5:26 PM EDT | Special Weather Statement | BOX | Essex, Norfolk, Suffolk | 49 min |
| Apr 22, 4:08 PM EDT | Freeze Warning | BOX | Bristol, Norfolk, Plymouth | 12 hr |
| Apr 22, 9:50 PM EDT | Small Craft Advisory | BOX | 40 hr | |
| Apr 24, 3:31 PM EDT | Small Craft Advisory | BOX | 61 hr | |
| Apr 26, 9:13 AM EDT | Gale Warning | BOX | 9 hr | |
| Apr 28, 1:22 AM EDT | Special Weather Statement | BOX | Franklin, Hampden, Hampshire, Worcester | 38 min |
| Apr 28, 4:16 AM EDT | Coastal Flood Statement | BOX | Barnstable, Bristol, Dukes, Essex, Nantucket, Norfolk and 2 more | 23 hr |
| Apr 28, 2:50 PM EDT | Coastal Flood Advisory | BOX | Barnstable, Essex, Norfolk, Plymouth, Suffolk | 12 hr |
| Apr 29, 4:28 AM EDT | Gale Watch | BOX | 11 hr | |
| Apr 29, 6:41 AM EDT | Dense Fog Advisory | BOX | Barnstable, Dukes, Nantucket | 2 hr |
| Apr 29, 3:24 PM EDT | Wind Advisory | BOX | Barnstable, Bristol, Dukes, Essex, Franklin, Hampden and 7 more | 35 hr |
| Apr 29, 3:29 PM EDT | Coastal Flood Statement | BOX | Barnstable, Essex, Norfolk, Plymouth, Suffolk | 13 hr |
| Apr 29, 3:32 PM EDT | Gale Warning | BOX | 35 hr | |
| Apr 29, 3:35 PM EDT | Wind Advisory | ALY | Berkshire | 34 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 | |
| Severe Thunderstorm Warning | 1 |
| Severe Thunderstorm Watch | 1 |
| Mesoscale Discussion | 2 |
| Special Weather Statement | 7 |
| Winter | |
| Winter Storm Warning | 2 |
| Winter Storm Watch | 3 |
| Winter Weather Advisory | 2 |
| Cold | |
| Freeze Warning | 1 |
| Freeze Watch | 1 |
| Wind and dust | |
| Wind Advisory | 3 |
| Fog and smoke | |
| Dense Fog Advisory | 2 |
| Coast and beach | |
| Coastal Flood Advisory | 1 |
| Coastal Flood Statement | 2 |
| Marine | |
| Gale Warning | 4 |
| Gale Watch | 3 |
| Small Craft Advisory | 8 |
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. Rebuilt daily.