Alert archive / Massachusetts / Franklin County
Weather alerts in Franklin County, Massachusetts, 2013
201 weather alerts in 2013, 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 2013. Tap one for its archive.
- Alerts
- 201
- Warnings
- 41
- Watches
- 31
- Advisories
- 65
- Busiest month
- June38 alerts
- Busiest day
- May 22, 201311 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 4 tornado warnings covering Franklin County in 2013 had a tornado report inside them.
Franklin County, 2013
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 4 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 19 | 15 | 21% | 31 | 81% | 26 min |
| Flash flood warnings | 10 | 4 | 60% | 5 | 100% | 86 min |
Each office's whole area, 2013
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Boston/Norton, MA: tornado warnings | 12 | 0 | 100% | 4 | 0% | |
| NWS Boston/Norton, MA: severe thunderstorm warnings | 91 | 48 | 47% | 169 | 64% | 23 min |
| NWS Boston/Norton, MA: flash flood warnings | 61 | 23 | 62% | 97 | 81% | 66 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 11, 3:56 AM EST | Freezing Rain Advisory | BOX | 27 hr |
| Jan 12, 4:56 PM EST | Dense Fog Advisory | BOX | 38 hr |
| Jan 15, 4:05 AM EST | Winter Weather Advisory | BOX | 39 hr |
| Jan 20, 3:57 AM EST | Wind Advisory | BOX | 15 hr |
| Jan 22, 4:02 AM EST | Wind Chill Advisory | BOX | 30 hr |
| Jan 23, 10:35 AM EST | Wind Chill Advisory | BOX | 23 hr |
| Jan 24, 9:55 AM EST | Wind Chill Advisory | BOX | 24 hr |
| Jan 27, 3:59 PM EST | Winter Weather Advisory | BOX | 36 hr |
| Jan 29, 4:26 AM EST | High Wind Watch | BOX | 32 hr |
| Jan 29, 3:43 PM EST | Freezing Rain Advisory | BOX | 9 hr |
| Jan 30, 4:53 AM EST | High Wind Warning | BOX | 29 hr |
| Jan 30, 8:16 AM EST | Dense Fog Advisory | BOX | 20 hr |
| Jan 30, 3:00 PM EST | Flood Watch | BOX | 16 hr |
| Jan 31, 5:22 AM EST | Areal Flood Advisory | BOX | 3 hr |
| Jan 31, 9:19 AM EST | Wind Advisory | BOX | 9 hr |
| Feb 6, 4:18 AM EST | Winter Storm Watch | BOX | 36 hr |
| Feb 7, 3:55 PM EST | Winter Storm Warning | BOX | 44 hr |
| Feb 8, 4:51 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Feb 8, 8:37 PM EST | Mesoscale Discussion | SPC | 6 hr |
| Feb 10, 4:07 PM EST | Winter Weather Advisory | BOX | 21 hr |
| Feb 11, 4:08 PM EST | Dense Fog Advisory | BOX | 10 hr |
| Feb 22, 3:54 AM EST | Winter Storm Watch | BOX | 24 hr |
| Feb 23, 3:45 AM EST | Winter Weather Advisory | BOX | 44 hr |
| Feb 25, 4:37 PM EST | Winter Storm Watch | BOX | 24 hr |
| Feb 26, 1:14 AM EST | Dense Fog Advisory | BOX | 6 hr |
| Feb 26, 4:52 AM EST | Winter Storm Warning | BOX | 35 hr |
| Feb 26, 4:41 PM EST | Winter Weather Advisory | BOX | 15 hr |
| Mar 6, 4:20 PM EST | Winter Storm Warning | BOX | 51 hr |
| Mar 6, 4:20 PM EST | Winter Weather Advisory | BOX | 52 hr |
| Mar 11, 3:17 PM EDT | Flood Watch | BOX | 37 hr |
| Mar 17, 4:11 PM EDT | Winter Storm Watch | BOX | 13 hr |
| Mar 18, 4:53 AM EDT | Winter Storm Warning | BOX | 37 hr |
| Apr 6, 4:42 AM EDT | Red Flag Warning | BOX | 12 hr |
| Apr 11, 3:54 AM EDT | Winter Weather Advisory | BOX | 24 hr |
| Apr 12, 4:06 AM EDT | Winter Weather Advisory | BOX | 24 hr |
| Apr 19, 9:56 PM EDT | Special Weather Statement | BOX | 49 min |
| Apr 19, 10:20 PM EDT | Severe Thunderstorm Warning | BOX | 40 min |
| Apr 19, 10:28 PM EDT | Mesoscale Discussion | SPC | 92 min |
| May 9, 6:37 PM EDT | Areal Flood Advisory | BOX | 113 min |
| May 21, 12:54 PM EDT | Mesoscale Discussion | SPC | 66 min |
| May 21, 2:03 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 21, 4:37 PM EDT | Mesoscale Discussion | SPC | 53 min |
| May 21, 8:29 PM EDT | Mesoscale Discussion | SPC | 61 min |
| May 21, 10:51 PM EDT | Special Weather Statement | BOX | 39 min |
| May 21, 10:53 PM EDT | Special Weather Statement | ALY | 67 min |
| May 22, 12:58 PM EDT | Severe Thunderstorm Watch | SPC | 10 hr |
| May 22, 3:36 PM EDT | Special Weather Statement | BOX | 84 min |
| May 22, 4:28 PM EDT | Mesoscale Discussion | SPC | 92 min |
| May 22, 4:35 PM EDT | Special Weather Statement | BOX | 40 min |
| May 22, 4:55 PM EDT | Severe Thunderstorm Warning | BOX | 65 min |
| May 22, 5:03 PM EDT | Tornado Warning | BOX | 42 min |
| May 22, 5:40 PM EDT | Tornado Warning | BOX | 50 min |
| May 22, 5:59 PM EDT | Tornado Warning | BOX | 46 min |
| May 22, 8:21 PM EDT | Mesoscale Discussion | SPC | 54 min |
| May 23, 11:23 AM EDT | Mesoscale Discussion | SPC | 3 hr |
| May 23, 1:29 PM EDT | Special Weather Statement | BOX | 2 hr |
| May 23, 2:01 PM EDT | Flash Flood Warning | BOX | 119 min |
| May 23, 6:03 PM EDT | Areal Flood Advisory | BOX | 3 hr |
| May 23, 9:32 PM EDT | Areal Flood Advisory | BOX | 3 hr |
| May 23, 9:41 PM EDT | Flash Flood Watch | BOX | 12 hr |
| May 26, 4:34 PM EDT | Frost Advisory | BOX | 14 hr |
| May 29, 11:38 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 29, 6:56 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| May 29, 7:38 PM EDT | Special Weather Statement | BOX | 37 min |
| May 29, 7:50 PM EDT | Severe Thunderstorm Warning | BOX | 55 min |
| May 29, 8:16 PM EDT | Areal Flood Advisory | BOX | 59 min |
| May 29, 8:32 PM EDT | Severe Thunderstorm Warning | BOX | 58 min |
| May 29, 8:45 PM EDT | Areal Flood Advisory | BOX | 60 min |
| May 29, 9:38 PM EDT | Mesoscale Discussion | SPC | 67 min |
| Jun 2, 11:33 AM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 2, 1:52 PM EDT | Mesoscale Discussion | SPC | 83 min |
| Jun 2, 4:26 PM EDT | Mesoscale Discussion | SPC | 94 min |
| Jun 2, 6:36 PM EDT | Severe Thunderstorm Warning | BOX | 39 min |
| Jun 2, 6:53 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Jun 2, 10:21 PM EDT | Areal Flood Advisory | BOX | 114 min |
| Jun 6, 3:50 PM EDT | Flood Watch | BOX | 41 hr |
| Jun 7, 5:20 PM EDT | Areal Flood Warning | BOX | 4 hr |
| Jun 10, 4:00 AM EDT | Flood Watch | BOX | 40 hr |
| Jun 12, 10:47 AM EDT | Flood Watch | BOX | 61 hr |
| Jun 17, 12:07 PM EDT | Mesoscale Discussion | SPC | 83 min |
| Jun 17, 1:14 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 17, 1:51 PM EDT | Special Weather Statement | BOX | 114 min |
| Jun 17, 2:34 PM EDT | Special Weather Statement | BOX | 116 min |
| Jun 24, 2:36 PM EDT | Special Weather Statement | BOX | 54 min |
| Jun 24, 3:25 PM EDT | Mesoscale Discussion | SPC | 65 min |
| Jun 24, 3:56 PM EDT | Special Weather Statement | BOX | 49 min |
| Jun 24, 4:58 PM EDT | Special Weather Statement | BOX | 62 min |
| Jun 24, 5:08 PM EDT | Special Weather Statement | BOX | 52 min |
| Jun 24, 5:15 PM EDT | Severe Thunderstorm Warning | BOX | 60 min |
| Jun 24, 5:31 PM EDT | Severe Thunderstorm Warning | BOX | 59 min |
| Jun 24, 6:10 PM EDT | Severe Thunderstorm Warning | BOX | 65 min |
| Jun 25, 5:45 PM EDT | Mesoscale Discussion | SPC | 60 min |
| Jun 25, 6:16 PM EDT | Special Weather Statement | BOX | 44 min |
| Jun 26, 4:07 PM EDT | Flash Flood Watch | BOX | 57 hr |
| Jun 28, 12:47 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 28, 2:27 PM EDT | Areal Flood Advisory | BOX | 63 min |
| Jun 28, 5:57 PM EDT | Special Weather Statement | BOX | 48 min |
| Jun 28, 6:07 PM EDT | Severe Thunderstorm Warning | BOX | 38 min |
| Jun 28, 6:26 PM EDT | Flash Flood Warning | BOX | 2 hr |
| Jun 29, 1:22 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Jun 30, 2:27 PM EDT | Special Weather Statement | BOX | 48 min |
| Jun 30, 2:33 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 30, 2:52 PM EDT | Special Weather Statement | BOX | 38 min |
| Jun 30, 4:14 PM EDT | Areal Flood Advisory | BOX | 2 hr |
| Jun 30, 4:18 PM EDT | Special Weather Statement | BOX | 42 min |
| Jun 30, 4:35 PM EDT | Flash Flood Warning | BOX | 115 min |
| Jun 30, 5:01 PM EDT | Special Weather Statement | BOX | 44 min |
| Jul 1, 4:01 AM EDT | Flash Flood Watch | BOX | 64 hr |
| Jul 1, 12:02 PM EDT | Flash Flood Warning | BOX | 3 hr |
| Jul 3, 7:24 PM EDT | Heat Advisory | BOX | 25 hr |
| Jul 4, 3:55 PM EDT | Heat Advisory | BOX | 27 hr |
| Jul 7, 2:16 PM EDT | Mesoscale Discussion | SPC | 119 min |
| Jul 7, 2:32 PM EDT | Special Weather Statement | BOX | 43 min |
| Jul 7, 2:37 PM EDT | Severe Thunderstorm Warning | BOX | 38 min |
| Jul 7, 3:04 PM EDT | Severe Thunderstorm Warning | BOX | 41 min |
| Jul 7, 3:07 PM EDT | Tornado Warning | BOX | 23 min |
| Jul 8, 4:20 AM EDT | Flash Flood Watch | BOX | 15 hr |
| Jul 10, 4:07 AM EDT | Flash Flood Watch | BOX | 38 hr |
| Jul 16, 4:10 PM EDT | Heat Advisory | BOX | 27 hr |
| Jul 17, 4:51 PM EDT | Heat Advisory | BOX | 26 hr |
| Jul 18, 5:00 PM EDT | Heat Advisory | BOX | 23 hr |
| Jul 18, 7:59 PM EDT | Severe Thunderstorm Warning | BOX | 46 min |
| Jul 20, 2:08 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 22, 10:31 PM EDT | Areal Flood Advisory | BOX | 3 hr |
| Jul 23, 1:14 AM EDT | Flash Flood Warning | BOX | 2 hr |
| Jul 23, 4:12 AM EDT | Flash Flood Watch | BOX | 15 hr |
| Jul 23, 5:40 AM EDT | Areal Flood Advisory | BOX | 3 hr |
| Jul 23, 6:15 AM EDT | Flash Flood Warning | BOX | 2 hr |
| Jul 23, 6:47 AM EDT | Areal Flood Advisory | BOX | 3 hr |
| Jul 23, 10:22 AM EDT | Areal Flood Advisory | BOX | 113 min |
| Aug 4, 2:51 PM EDT | Special Weather Statement | BOX | 24 min |
| Aug 4, 3:17 PM EDT | Special Weather Statement | BOX | 43 min |
| Aug 9, 4:11 AM EDT | Flash Flood Watch | BOX | 15 hr |
| Aug 9, 7:31 AM EDT | Areal Flood Advisory | BOX | 119 min |
| Aug 9, 12:33 PM EDT | Flash Flood Warning | BOX | 3 hr |
| Aug 28, 5:31 PM EDT | Severe Thunderstorm Warning | BOX | 29 min |
| Aug 28, 5:52 PM EDT | Areal Flood Advisory | BOX | 113 min |
| Aug 28, 6:16 PM EDT | Flash Flood Warning | BOX | 119 min |
| Aug 28, 11:42 PM EDT | Areal Flood Advisory | BOX | 2 hr |
| Aug 31, 3:20 PM EDT | Special Weather Statement | BOX | 40 min |
| Aug 31, 3:34 PM EDT | Severe Thunderstorm Warning | BOX | 41 min |
| Aug 31, 3:36 PM EDT | Flash Flood Warning | BOX | 4 hr |
| Sep 1, 2:57 AM EDT | Areal Flood Advisory | BOX | 63 min |
| Sep 2, 4:21 AM EDT | Flash Flood Watch | BOX | 21 hr |
| Sep 2, 9:54 PM EDT | Special Weather Statement | BOX | 51 min |
| Sep 5, 3:50 PM EDT | Frost Advisory | BOX | 15 hr |
| Sep 10, 10:22 AM EDT | Special Weather Statement | BOX | 53 min |
| Sep 10, 4:26 PM EDT | Heat Advisory | BOX | 26 hr |
| Sep 11, 2:33 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Sep 11, 6:54 PM EDT | Mesoscale Discussion | SPC | 96 min |
| Sep 11, 7:28 PM EDT | Special Weather Statement | BOX | 62 min |
| Sep 11, 7:54 PM EDT | Severe Thunderstorm Warning | BOX | 66 min |
| Sep 11, 8:27 PM EDT | Severe Thunderstorm Warning | BOX | 63 min |
| Sep 11, 9:44 PM EDT | Mesoscale Discussion | SPC | 61 min |
| Sep 12, 12:24 PM EDT | Mesoscale Discussion | SPC | 66 min |
| Sep 12, 1:03 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Sep 12, 1:47 PM EDT | Flash Flood Watch | BOX | 8 hr |
| Sep 12, 2:10 PM EDT | Severe Thunderstorm Warning | BOX | 65 min |
| Sep 12, 2:25 PM EDT | Flash Flood Warning | BOX | 3 hr |
| Sep 12, 3:26 PM EDT | Mesoscale Discussion | SPC | 64 min |
| Sep 12, 3:45 PM EDT | Special Weather Statement | BOX | 45 min |
| Sep 12, 6:48 PM EDT | Areal Flood Advisory | BOX | 3 hr |
| Sep 12, 8:03 PM EDT | Mesoscale Discussion | SPC | 57 min |
| Sep 16, 4:09 AM EDT | Frost Advisory | BOX | 28 hr |
| Sep 17, 4:08 AM EDT | Frost Advisory | BOX | 28 hr |
| Sep 23, 3:31 PM EDT | Frost Advisory | BOX | 16 hr |
| Sep 29, 3:57 PM EDT | Dense Fog Advisory | BOX | 14 hr |
| Oct 6, 7:15 PM EDT | Dense Fog Advisory | BOX | 9 hr |
| Oct 7, 4:21 AM EDT | Wind Advisory | BOX | 18 hr |
| Oct 7, 2:09 PM EDT | Special Weather Statement | BOX | 111 min |
| Oct 7, 2:26 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 7, 2:50 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Oct 7, 3:16 PM EDT | Special Weather Statement | BOX | 89 min |
| Oct 7, 3:51 PM EDT | Areal Flood Advisory | BOX | 3 hr |
| Oct 7, 4:02 PM EDT | Severe Thunderstorm Warning | BOX | 58 min |
| Oct 7, 4:29 PM EDT | Mesoscale Discussion | SPC | 91 min |
| Oct 7, 4:57 PM EDT | Severe Thunderstorm Warning | BOX | 63 min |
| Oct 8, 4:32 AM EDT | Frost Advisory | BOX | 28 hr |
| Oct 13, 4:22 AM EDT | Frost Advisory | BOX | 27 hr |
| Oct 31, 3:34 PM EDT | Wind Advisory | BOX | 24 hr |
| Nov 1, 10:26 AM EDT | Special Weather Statement | BOX | 64 min |
| Nov 18, 2:31 AM EST | Mesoscale Discussion | SPC | 89 min |
| Nov 18, 4:48 AM EST | Special Weather Statement | BOX | 87 min |
| Nov 18, 5:11 AM EST | Mesoscale Discussion | SPC | 3 hr |
| Nov 23, 4:45 PM EST | Wind Advisory | BOX | 31 hr |
| Nov 26, 11:45 AM EST | Flood Watch | BOX | 28 hr |
| Nov 26, 7:05 PM EST | Freezing Rain Advisory | BOX | 7 hr |
| Nov 27, 4:34 AM EST | Areal Flood Advisory | BOX | 12 hr |
| Nov 27, 4:10 PM EST | Flood Watch | BOX | 110 min |
| Dec 1, 5:37 AM EST | Freezing Rain Advisory | BOX | 5 hr |
| Dec 5, 1:25 PM EST | Dense Fog Advisory | BOX | 14 hr |
| Dec 6, 4:08 AM EST | Winter Weather Advisory | BOX | 23 hr |
| Dec 8, 4:25 AM EST | Winter Weather Advisory | BOX | 35 hr |
| Dec 13, 4:27 AM EST | Winter Storm Watch | BOX | 25 hr |
| Dec 13, 4:14 PM EST | Winter Storm Warning | BOX | 38 hr |
| Dec 14, 8:16 PM EST | Mesoscale Discussion | SPC | 6 hr |
| Dec 15, 3:37 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Dec 15, 9:08 AM EST | Winter Weather Advisory | BOX | 3 hr |
| Dec 16, 4:03 PM EST | Winter Weather Advisory | BOX | 30 hr |
| Dec 26, 12:21 PM EST | Special Weather Statement | BOX | 114 min |
| Dec 29, 11:13 AM EST | Winter Weather Advisory | BOX | 11 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 | 19 |
| Tornado Warning | 4 |
| Severe Thunderstorm Watch | 9 |
| Mesoscale Discussion | 32 |
| Special Weather Statement | 32 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flash Flood Warning | 10 |
| Flash Flood Watch | 9 |
| Flood Watch | 7 |
| Areal Flood Advisory | 20 |
| Winter | |
| Winter Storm Warning | 5 |
| Winter Storm Watch | 5 |
| Freezing Rain Advisory | 4 |
| Winter Weather Advisory | 13 |
| Heat | |
| Heat Advisory | 6 |
| Cold | |
| Frost Advisory | 7 |
| Wind Chill Advisory | 3 |
| Wind and dust | |
| High Wind Warning | 1 |
| High Wind Watch | 1 |
| Wind Advisory | 5 |
| Fire | |
| Red Flag Warning | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 7 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20122014
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.