Alert archive / Massachusetts / 2020
Weather alerts in Massachusetts, September 2020
61 weather alerts in September 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 September 2020. Tap one for its archive.
- Alerts
- 61
- Warnings
- 11
- Watches
- 6
- Advisories
- 31
- Busiest day
- September 21, 20209 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 |
|---|---|---|---|---|
| Sep 1, 3:51 PM EDT | Small Craft Advisory | BOX | 42 hr | |
| Sep 2, 7:17 PM EDT | Dense Fog Advisory | BOX | Middlesex, Worcester | 5 hr |
| Sep 3, 1:00 AM EDT | Areal Flood Advisory | ALY | Berkshire | 3 hr |
| Sep 3, 1:29 AM EDT | Special Weather Statement | BOX | Hampden | 61 min |
| Sep 3, 1:40 AM EDT | Areal Flood Advisory | ALY | Berkshire | 3 hr |
| Sep 8, 3:16 AM EDT | Dense Fog Advisory | BOX | Bristol, Norfolk | 5 hr |
| Sep 8, 7:10 PM EDT | Dense Fog Advisory | BOX | Barnstable, Dukes, Nantucket | 13 hr |
| Sep 10, 1:42 AM EDT | Dense Fog Advisory | BOX | Barnstable, Bristol, Dukes, Nantucket, Norfolk, Plymouth | 8 hr |
| Sep 10, 4:27 PM EDT | Special Weather Statement | BOX | Essex | 48 min |
| Sep 10, 4:42 PM EDT | Small Craft Advisory | BOX | 7 days | |
| Sep 10, 5:05 PM EDT | Special Weather Statement | BOX | Middlesex | 55 min |
| Sep 10, 5:55 PM EDT | Special Weather Statement | BOX | Essex, Middlesex | 65 min |
| Sep 10, 6:41 PM EDT | Special Weather Statement | BOX | Essex | 64 min |
| Sep 10, 6:44 PM EDT | Special Weather Statement | BOX | Worcester | 61 min |
| Sep 10, 7:22 PM EDT | Areal Flood Warning | BOX | Essex, Middlesex | 60 min |
| Sep 12, 10:09 AM EDT | Small Craft Advisory | BOX | 3 hr | |
| Sep 13, 11:08 AM EDT | Rip Current Statement | BOX | Essex | 7 hr |
| Sep 13, 3:26 PM EDT | Small Craft Advisory | BOX | 53 hr | |
| Sep 13, 3:55 PM EDT | High Surf Advisory | BOX | Barnstable, Bristol, Dukes, Essex, Nantucket, Norfolk and 1 more | 52 hr |
| Sep 15, 4:37 PM EDT | Small Craft Advisory | BOX | 35 hr | |
| Sep 17, 3:12 AM EDT | Gale Watch | BOX | 24 hr | |
| Sep 17, 6:47 AM EDT | Small Craft Advisory | BOX | 7 days | |
| Sep 18, 3:11 AM EDT | Gale Warning | BOX | 37 hr | |
| Sep 18, 3:12 AM EDT | High Surf Advisory | BOX | Barnstable, Dukes, Essex, Nantucket, Norfolk, Plymouth | 17 hr |
| Sep 18, 3:14 AM EDT | Frost Advisory | BOX | Franklin, Hampden, Hampshire | 28 hr |
| Sep 18, 3:34 AM EDT | Frost Advisory | ALY | Berkshire | 28 hr |
| Sep 19, 3:58 AM EDT | Coastal Flood Statement | BOX | Barnstable, Essex, Nantucket, Norfolk, Plymouth, Suffolk | 11 hr |
| Sep 19, 3:58 AM EDT | High Surf Advisory | BOX | Barnstable, Bristol, Dukes, Essex, Nantucket, Norfolk and 1 more | 5 days |
| Sep 19, 3:11 PM EDT | Freeze Warning | ALY | Berkshire | 17 hr |
| Sep 19, 3:12 PM EDT | Frost Advisory | BOX | Bristol, Essex, Middlesex, Norfolk, Plymouth, Worcester | 17 hr |
| Sep 19, 3:12 PM EDT | Freeze Warning | BOX | Franklin, Hampden, Hampshire, Worcester | 17 hr |
| Sep 20, 3:22 PM EDT | Gale Watch | BOX | 12 hr | |
| Sep 20, 3:37 PM EDT | Coastal Flood Statement | BOX | Barnstable, Essex, Nantucket, Norfolk, Plymouth, Suffolk | 26 hr |
| Sep 20, 3:57 PM EDT | Frost Advisory | BOX | Bristol, Essex, Hampden, Hampshire, Middlesex, Norfolk and 1 more | 16 hr |
| Sep 21, 3:16 AM EDT | Wind Advisory | BOX | Barnstable, Dukes, Nantucket, Norfolk, Plymouth | 42 hr |
| Sep 21, 3:19 AM EDT | Gale Warning | BOX | 49 hr | |
| Sep 21, 3:19 AM EDT | Small Craft Advisory | BOX | 39 hr | |
| Sep 21, 3:19 AM EDT | Storm Watch | BOX | 12 hr | |
| Sep 21, 3:29 AM EDT | Coastal Flood Advisory | BOX | Barnstable, Dukes, Essex, Nantucket, Norfolk, Plymouth and 1 more | 40 hr |
| Sep 21, 2:35 PM EDT | Fire Weather Watch | ALY | Berkshire | 13 hr |
| Sep 21, 3:47 PM EDT | Frost Advisory | BOX | Bristol, Essex, Hampden, Middlesex, Norfolk, Worcester | 16 hr |
| Sep 21, 3:47 PM EDT | Storm Warning | BOX | 27 hr | |
| Sep 21, 3:48 PM EDT | Fire Weather Watch | BOX | Barnstable, Bristol, Dukes, Essex, Franklin, Hampden and 7 more | 11 hr |
| Sep 22, 3:05 AM EDT | High Wind Warning | BOX | Nantucket | 16 hr |
| Sep 22, 3:10 AM EDT | Red Flag Warning | BOX | Barnstable, Bristol, Dukes, Essex, Franklin, Hampden and 7 more | 16 hr |
| Sep 22, 3:31 AM EDT | Red Flag Warning | ALY | Berkshire | 17 hr |
| Sep 27, 3:34 AM EDT | Small Craft Advisory | BOX | 49 hr | |
| Sep 28, 3:34 PM EDT | Small Craft Advisory | BOX | 13 hr | |
| Sep 28, 9:06 PM EDT | Dense Fog Advisory | BOX | Barnstable, Bristol, Dukes, Nantucket, Plymouth | 13 hr |
| Sep 29, 4:01 AM EDT | Wind Advisory | BOX | Barnstable, Bristol, Dukes, Essex, Hampden, Middlesex and 5 more | 33 hr |
| Sep 29, 4:05 AM EDT | Gale Watch | BOX | 11 hr | |
| Sep 29, 3:13 PM EDT | Gale Warning | BOX | 23 hr | |
| Sep 30, 1:12 AM EDT | High Wind Warning | BOX | Bristol, Norfolk, Plymouth | 9 hr |
| Sep 30, 3:21 AM EDT | Areal Flood Advisory | ALY | Berkshire | 3 hr |
| Sep 30, 4:07 AM EDT | Special Weather Statement | ALY | Berkshire | 53 min |
| Sep 30, 4:51 AM EDT | Special Weather Statement | BOX | Hampshire | 39 min |
| Sep 30, 4:55 AM EDT | Areal Flood Advisory | ALY | Berkshire | 3 hr |
| Sep 30, 4:58 AM EDT | Special Weather Statement | ALY | Berkshire | 32 min |
| Sep 30, 5:09 AM EDT | Mesoscale Discussion | SPC | Bristol, Essex, Franklin, Hampden, Hampshire, Middlesex and 4 more | 96 min |
| Sep 30, 6:16 AM EDT | Areal Flood Advisory | ALY | Berkshire | 3 hr |
| Sep 30, 12:01 PM EDT | Small Craft Advisory | BOX | 35 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 | 1 |
| Special Weather Statement | 9 |
| Flooding | |
| Areal Flood Warning | 1 |
| Areal Flood Advisory | 5 |
| Cold | |
| Freeze Warning | 2 |
| Frost Advisory | 5 |
| Wind and dust | |
| High Wind Warning | 2 |
| Wind Advisory | 2 |
| Fire | |
| Red Flag Warning | 2 |
| Fire Weather Watch | 2 |
| Fog and smoke | |
| Dense Fog Advisory | 5 |
| Coast and beach | |
| Coastal Flood Advisory | 1 |
| High Surf Advisory | 3 |
| Coastal Flood Statement | 2 |
| Rip Current Statement | 1 |
| Marine | |
| Gale Warning | 3 |
| Storm Warning | 1 |
| Gale Watch | 3 |
| Storm Watch | 1 |
| Small Craft Advisory | 10 |
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 archive20192021
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.