Alert archive / Massachusetts / Franklin County
Weather alerts in Franklin County, Massachusetts, 2022
140 weather alerts in 2022, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Franklin County and its neighbors
Each county as a circle sized by its count in 2022. Tap one for its archive.
- Alerts
- 140
- Warnings
- 31
- Watches
- 14
- Advisories
- 37
- Busiest month
- July33 alerts
- Busiest day
- July 25, 20229 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
0 of 1 tornado warnings covering Franklin County in 2022 had a tornado report inside them.
Franklin County, 2022
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 18 | 14 | 22% | 28 | 93% | 32 min |
| Flash flood warnings | 2 | 0 | 100% | 0 |
Each office's whole area, 2022
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Boston/Norton, MA: tornado warnings | 2 | 0 | 100% | 0 | ||
| NWS Boston/Norton, MA: severe thunderstorm warnings | 63 | 46 | 27% | 231 | 77% | 27 min |
| NWS Boston/Norton, MA: flash flood warnings | 10 | 2 | 80% | 4 | 75% | 37 min |
An office's figures cover every county it serves, including across state lines.
Verified by the Iowa Environmental Mesonet's Cow, which matches each storm-based warning with the local storm reports inside its polygon while it was in force, within 15 km of its edge: a tornado warning counts as verified on a tornado report, a severe thunderstorm warning on hail of 1 inch or more, a gust of 58 mph or more, or wind damage, a flash flood warning on a flash flood report. The false alarm ratio is the share of warnings with no such report; "inside a warning" is the probability of detection, the share of reports that fell inside one; lead time runs from the warning's issue to each report inside it, counting zero for a report that came first. A warning with no report is not proof nothing happened: reports come from spotters, the public and damage surveys, and are thin where few people live.
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 | Lasted |
|---|---|---|---|
| Jan 1, 1:05 AM EST | Dense Fog Advisory | BOX | 11 hr |
| Jan 1, 6:01 PM EST | Dense Fog Advisory | BOX | 10 hr |
| Jan 4, 6:00 PM EST | Winter Weather Advisory | BOX | 18 hr |
| Jan 6, 3:24 AM EST | Winter Weather Advisory | BOX | 33 hr |
| Jan 7, 2:55 PM EST | Special Weather Statement | ALY | 50 min |
| Jan 8, 4:04 AM EST | Winter Weather Advisory | BOX | 35 hr |
| Jan 9, 3:15 PM EST | Wind Chill Advisory | BOX | 48 hr |
| Jan 13, 3:43 AM EST | Wind Chill Watch | BOX | 12 hr |
| Jan 13, 3:25 PM EST | Wind Chill Warning | BOX | 45 hr |
| Jan 13, 3:25 PM EST | Wind Chill Advisory | BOX | 45 hr |
| Jan 14, 3:10 PM EST | Winter Storm Watch | BOX | 36 hr |
| Jan 16, 3:21 AM EST | Winter Storm Warning | BOX | 33 hr |
| Jan 16, 3:21 AM EST | Winter Weather Advisory | BOX | 28 hr |
| Jan 17, 2:24 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Jan 17, 8:22 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Jan 17, 11:53 PM EST | Special Weather Statement | BOX | 82 min |
| Jan 20, 3:52 AM EST | Wind Chill Advisory | BOX | 29 hr |
| Jan 26, 2:59 PM EST | Winter Storm Watch | BOX | 37 hr |
| Jan 28, 3:35 AM EST | Winter Storm Watch | BOX | 12 hr |
| Jan 28, 3:35 AM EST | Winter Storm Warning | BOX | 44 hr |
| Jan 28, 3:22 PM EST | Winter Weather Advisory | BOX | 28 hr |
| Jan 29, 3:40 PM EST | Wind Chill Advisory | BOX | 18 hr |
| Feb 2, 3:49 AM EST | Winter Storm Watch | BOX | 23 hr |
| Feb 3, 2:44 AM EST | Winter Storm Warning | BOX | 37 hr |
| Feb 3, 2:44 AM EST | Winter Weather Advisory | BOX | 46 hr |
| Feb 4, 5:32 AM EST | Mesoscale Discussion | SPC | 4 hr |
| Feb 4, 10:20 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Feb 6, 2:47 PM EST | Winter Weather Advisory | BOX | 40 hr |
| Feb 17, 3:07 AM EST | Wind Advisory | BOX | 30 hr |
| Feb 19, 12:58 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Feb 19, 2:22 PM EST | Special Weather Statement | BOX | 68 min |
| Feb 19, 2:33 PM EST | Snow Squall Warning | BOX | 57 min |
| Feb 19, 3:24 PM EST | Special Weather Statement | BOX | 66 min |
| Feb 19, 3:59 PM EST | Snow Squall Warning | BOX | 46 min |
| Feb 23, 2:46 AM EST | Wind Advisory | BOX | 17 hr |
| Feb 23, 3:00 AM EST | Winter Storm Watch | BOX | 34 hr |
| Feb 24, 2:54 AM EST | Winter Storm Warning | BOX | 36 hr |
| Feb 25, 2:20 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Mar 6, 5:51 AM EST | Dense Fog Advisory | BOX | 4 hr |
| Mar 6, 3:35 PM EST | Wind Advisory | BOX | 36 hr |
| Mar 7, 7:42 PM EST | Mesoscale Discussion | SPC | 93 min |
| Mar 7, 8:47 PM EST | Severe Thunderstorm Warning | BOX | 43 min |
| Mar 7, 8:52 PM EST | Mesoscale Discussion | SPC | 113 min |
| Mar 7, 9:23 PM EST | Severe Thunderstorm Warning | BOX | 67 min |
| Mar 11, 3:14 AM EST | Winter Weather Advisory | BOX | 39 hr |
| Mar 11, 3:01 PM EST | Wind Advisory | BOX | 42 hr |
| Mar 12, 8:53 AM EST | Mesoscale Discussion | SPC | 4 hr |
| Mar 19, 10:02 PM EDT | Special Weather Statement | BOX | 58 min |
| Mar 22, 2:50 PM EDT | Winter Weather Advisory | BOX | 44 hr |
| Mar 24, 2:20 AM EDT | Mesoscale Discussion | SPC | 6 hr |
| Apr 18, 3:38 AM EDT | Winter Weather Advisory | BOX | 28 hr |
| May 10, 3:41 PM EDT | Frost Advisory | BOX | 15 hr |
| May 16, 12:48 PM EDT | Mesoscale Discussion | SPC | 87 min |
| May 16, 12:48 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 16, 5:14 PM EDT | Severe Thunderstorm Warning | BOX | 61 min |
| May 16, 5:23 PM EDT | Mesoscale Discussion | SPC | 97 min |
| May 16, 6:13 PM EDT | Special Weather Statement | BOX | 47 min |
| May 16, 6:43 PM EDT | Mesoscale Discussion | SPC | 62 min |
| May 20, 3:16 AM EDT | Dense Fog Advisory | BOX | 7 hr |
| May 20, 3:16 AM EDT | Heat Advisory | BOX | 65 hr |
| May 22, 4:35 PM EDT | Mesoscale Discussion | SPC | 85 min |
| May 22, 6:34 PM EDT | Special Weather Statement | BOX | 41 min |
| May 22, 6:44 PM EDT | Severe Thunderstorm Warning | BOX | 46 min |
| May 22, 6:56 PM EDT | Severe Thunderstorm Warning | BOX | 49 min |
| May 22, 8:00 PM EDT | Severe Thunderstorm Warning | BOX | 47 min |
| May 28, 5:04 PM EDT | Special Weather Statement | BOX | 56 min |
| May 31, 8:42 PM EDT | Special Weather Statement | BOX | 63 min |
| Jun 9, 6:20 AM EDT | Special Weather Statement | BOX | 55 min |
| Jun 17, 12:40 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 2, 12:39 AM EDT | Special Weather Statement | BOX | 51 min |
| Jul 2, 12:45 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 2, 2:37 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 2, 5:27 PM EDT | Severe Thunderstorm Warning | BOX | 38 min |
| Jul 12, 2:32 PM EDT | Mesoscale Discussion | SPC | 88 min |
| Jul 12, 5:05 PM EDT | Severe Thunderstorm Warning | BOX | 55 min |
| Jul 12, 6:01 PM EDT | Mesoscale Discussion | SPC | 119 min |
| Jul 19, 3:36 AM EDT | Heat Advisory | BOX | 64 hr |
| Jul 21, 10:59 AM EDT | Mesoscale Discussion | SPC | 61 min |
| Jul 21, 11:37 AM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jul 21, 2:04 PM EDT | Special Weather Statement | BOX | 56 min |
| Jul 21, 2:07 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Jul 21, 2:22 PM EDT | Special Weather Statement | BOX | 38 min |
| Jul 21, 2:41 PM EDT | Severe Thunderstorm Warning | BOX | 64 min |
| Jul 21, 3:17 PM EDT | Tornado Warning | BOX | 58 min |
| Jul 21, 7:26 PM EDT | Special Weather Statement | BOX | 64 min |
| Jul 22, 3:29 AM EDT | Heat Advisory | BOX | 4 days |
| Jul 24, 7:29 PM EDT | Special Weather Statement | BOX | 61 min |
| Jul 24, 8:07 PM EDT | Special Weather Statement | BOX | 53 min |
| Jul 24, 8:14 PM EDT | Mesoscale Discussion | SPC | 91 min |
| Jul 25, 7:50 AM EDT | Special Weather Statement | BOX | 40 min |
| Jul 25, 10:33 AM EDT | Special Weather Statement | BOX | 42 min |
| Jul 25, 11:25 AM EDT | Mesoscale Discussion | SPC | 95 min |
| Jul 25, 1:04 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 25, 3:14 PM EDT | Special Weather Statement | BOX | 46 min |
| Jul 25, 3:52 PM EDT | Special Weather Statement | BOX | 38 min |
| Jul 25, 4:20 PM EDT | Special Weather Statement | BOX | 40 min |
| Jul 28, 4:08 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Jul 28, 4:59 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jul 28, 5:59 PM EDT | Special Weather Statement | BOX | 91 min |
| Jul 28, 6:10 PM EDT | Severe Thunderstorm Warning | BOX | 53 min |
| Jul 28, 6:33 PM EDT | Mesoscale Discussion | SPC | 87 min |
| Jul 28, 7:02 PM EDT | Severe Thunderstorm Warning | BOX | 58 min |
| Aug 2, 2:26 PM EDT | Heat Advisory | BOX | 7 days |
| Aug 5, 2:41 PM EDT | Severe Thunderstorm Warning | BOX | 21 min |
| Aug 8, 8:48 PM EDT | Special Weather Statement | BOX | 42 min |
| Aug 23, 2:02 PM EDT | Special Weather Statement | BOX | 58 min |
| Aug 23, 3:17 PM EDT | Severe Thunderstorm Warning | BOX | 58 min |
| Aug 26, 12:25 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 26, 1:02 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 26, 1:07 PM EDT | Special Weather Statement | BOX | 38 min |
| Aug 26, 1:15 PM EDT | Severe Thunderstorm Warning | BOX | 60 min |
| Aug 26, 1:41 PM EDT | Flash Flood Warning | BOX | 3 hr |
| Aug 26, 2:12 PM EDT | Flash Flood Warning | BOX | 2 hr |
| Aug 26, 2:27 PM EDT | Severe Thunderstorm Warning | BOX | 63 min |
| Sep 13, 11:58 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 13, 5:31 PM EDT | Special Weather Statement | BOX | 44 min |
| Sep 13, 5:33 PM EDT | Mesoscale Discussion | SPC | 117 min |
| Sep 13, 5:59 PM EDT | Special Weather Statement | BOX | 61 min |
| Sep 13, 6:21 PM EDT | Severe Thunderstorm Warning | BOX | 24 min |
| Sep 13, 6:38 PM EDT | Severe Thunderstorm Warning | BOX | 52 min |
| Sep 13, 6:48 PM EDT | Special Weather Statement | BOX | 42 min |
| Sep 13, 6:53 PM EDT | Severe Thunderstorm Warning | BOX | 25 min |
| Sep 19, 4:26 PM EDT | Special Weather Statement | BOX | 64 min |
| Sep 19, 5:02 PM EDT | Special Weather Statement | BOX | 43 min |
| Sep 22, 7:32 AM EDT | Special Weather Statement | BOX | 88 min |
| Oct 2, 3:42 AM EDT | Frost Advisory | BOX | 25 hr |
| Oct 8, 3:13 AM EDT | Frost Advisory | BOX | 29 hr |
| Oct 13, 2:45 PM EDT | Flood Watch | BOX | 15 hr |
| Oct 15, 5:53 AM EDT | Dense Fog Advisory | BOX | 4 hr |
| Nov 15, 3:00 AM EST | Winter Weather Advisory | BOX | 31 hr |
| Nov 20, 3:13 AM EST | Wind Advisory | BOX | 19 hr |
| Nov 29, 2:57 AM EST | Wind Advisory | BOX | 60 hr |
| Dec 10, 3:25 PM EST | Winter Weather Advisory | BOX | 36 hr |
| Dec 14, 2:42 PM EST | Winter Storm Watch | BOX | 13 hr |
| Dec 15, 3:26 AM EST | Winter Storm Warning | BOX | 52 hr |
| Dec 15, 3:26 AM EST | Winter Weather Advisory | BOX | 52 hr |
| Dec 21, 2:53 PM EST | Wind Advisory | BOX | 53 hr |
| Dec 22, 4:00 AM EST | Winter Weather Advisory | BOX | 23 hr |
| Dec 23, 10:56 AM EST | River Flood Warning | BOX | 11 hr |
| Dec 23, 11:38 AM EST | Areal Flood Warning | BOX | 3 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 | 18 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 6 |
| Mesoscale Discussion | 27 |
| Special Weather Statement | 31 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flash Flood Warning | 2 |
| River Flood Warning | 1 |
| Flood Watch | 1 |
| Winter | |
| Snow Squall Warning | 2 |
| Winter Storm Warning | 5 |
| Winter Storm Watch | 6 |
| Winter Weather Advisory | 14 |
| Heat | |
| Heat Advisory | 4 |
| Cold | |
| Wind Chill Warning | 1 |
| Wind Chill Watch | 1 |
| Frost Advisory | 3 |
| Wind Chill Advisory | 4 |
| Wind and dust | |
| Wind Advisory | 7 |
| Fog and smoke | |
| Dense Fog Advisory | 5 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20212023
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.