Alert archive / Massachusetts / Hampshire County
Weather alerts in Hampshire County, Massachusetts, 2016
144 weather alerts in 2016, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Hampshire County and its neighbors
Each county as a circle sized by its count in 2016. Tap one for its archive.
- Alerts
- 144
- Warnings
- 37
- Watches
- 11
- Advisories
- 41
- Busiest month
- February25 alerts
- Busiest day
- February 25, 201614 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Hampshire County, 2016
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 20 | 16 | 20% | 33 | 67% | 27 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2016
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Boston/Norton, MA: tornado warnings | 2 | 2 | 0% | 4 | 100% | 20 min |
| NWS Boston/Norton, MA: severe thunderstorm warnings | 127 | 86 | 32% | 515 | 66% | 25 min |
| NWS Boston/Norton, MA: flash flood warnings | 8 | 3 | 63% | 35 | 94% | 59 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 9, 12:37 AM EST | Winter Weather Advisory | BOX | 10 hr |
| Jan 10, 3:58 PM EST | Special Weather Statement | BOX | 62 min |
| Jan 10, 4:58 PM EST | Special Weather Statement | BOX | 62 min |
| Jan 10, 5:31 PM EST | Special Weather Statement | BOX | 59 min |
| Jan 12, 3:35 PM EST | Wind Advisory | BOX | 24 hr |
| Jan 15, 3:19 PM EST | Winter Weather Advisory | BOX | 21 hr |
| Jan 18, 3:16 AM EST | Special Weather Statement | BOX | 59 min |
| Jan 18, 3:57 AM EST | Wind Advisory | BOX | 39 hr |
| Feb 4, 2:45 PM EST | Winter Weather Advisory | BOX | 28 hr |
| Feb 5, 7:44 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Feb 7, 2:36 PM EST | Winter Weather Advisory | BOX | 33 hr |
| Feb 11, 4:24 PM EST | Wind Chill Watch | BOX | 24 hr |
| Feb 12, 3:52 AM EST | Wind Chill Warning | BOX | 56 hr |
| Feb 14, 3:07 PM EST | Winter Weather Advisory | BOX | 46 hr |
| Feb 15, 6:19 PM EST | Mesoscale Discussion | SPC | 5 hr |
| Feb 16, 2:35 PM EST | Special Weather Statement | BOX | 55 min |
| Feb 16, 3:30 PM EST | Special Weather Statement | BOX | 3 hr |
| Feb 16, 5:14 PM EST | Special Weather Statement | BOX | 61 min |
| Feb 22, 2:41 PM EST | Winter Weather Advisory | BOX | 52 hr |
| Feb 24, 10:32 PM EST | Special Weather Statement | BOX | 28 min |
| Feb 24, 11:24 PM EST | Special Weather Statement | BOX | 36 min |
| Feb 24, 11:51 PM EST | Severe Thunderstorm Watch | SPC | 4 hr |
| Feb 24, 11:55 PM EST | Special Weather Statement | BOX | 50 min |
| Feb 25, 12:19 AM EST | Severe Thunderstorm Warning | BOX | 41 min |
| Feb 25, 12:55 AM EST | Severe Thunderstorm Warning | BOX | 50 min |
| Feb 25, 12:58 AM EST | Severe Thunderstorm Warning | BOX | 62 min |
| Feb 25, 1:11 AM EST | Areal Flood Advisory | BOX | 3 hr |
| Feb 25, 1:25 AM EST | Areal Flood Warning | BOX | 4 hr |
| Feb 25, 5:29 AM EST | Areal Flood Warning | BOX | 2 hr |
| Feb 25, 7:26 AM EST | Areal Flood Warning | BOX | 2 hr |
| Feb 25, 8:02 AM EST | River Flood Warning | BOX | 17 hr |
| Feb 25, 2:21 PM EST | River Flood Warning | BOX | 44 hr |
| Feb 25, 2:21 PM EST | River Flood Warning | BOX | 62 hr |
| Mar 1, 3:28 AM EST | Winter Weather Advisory | BOX | 24 hr |
| Mar 1, 4:16 PM EST | Wind Advisory | BOX | 27 hr |
| Mar 16, 11:02 PM EDT | Special Weather Statement | BOX | 58 min |
| Mar 16, 11:47 PM EDT | Special Weather Statement | BOX | 43 min |
| Mar 17, 6:00 AM EDT | Dense Fog Advisory | BOX | 3 hr |
| Mar 28, 4:49 AM EDT | Wind Advisory | BOX | 33 hr |
| Apr 2, 3:59 AM EDT | Wind Advisory | BOX | 11 hr |
| Apr 2, 2:51 PM EDT | Winter Weather Advisory | BOX | 19 hr |
| Apr 2, 2:58 PM EDT | High Wind Warning | BOX | 23 hr |
| Apr 2, 4:04 PM EDT | Special Weather Statement | BOX | 41 min |
| Apr 2, 4:46 PM EDT | Special Weather Statement | BOX | 44 min |
| Apr 2, 5:21 PM EDT | Special Weather Statement | BOX | 54 min |
| Apr 3, 2:06 PM EDT | Wind Advisory | BOX | 5 hr |
| Apr 3, 2:53 PM EDT | Winter Weather Advisory | BOX | 30 hr |
| Apr 7, 5:38 PM EDT | Special Weather Statement | BOX | 52 min |
| Apr 7, 5:42 PM EDT | Special Weather Statement | BOX | 48 min |
| Apr 7, 6:31 PM EDT | Special Weather Statement | BOX | 59 min |
| Apr 18, 4:30 PM EDT | Fire Weather Watch | BOX | 10 hr |
| Apr 19, 2:53 AM EDT | Red Flag Warning | BOX | 16 hr |
| Apr 19, 4:17 PM EDT | Fire Weather Watch | BOX | 11 hr |
| Apr 20, 3:16 AM EDT | Red Flag Warning | BOX | 15 hr |
| Apr 22, 3:32 PM EDT | Special Weather Statement | BOX | 88 min |
| May 9, 3:56 AM EDT | Frost Advisory | BOX | 27 hr |
| May 9, 3:32 PM EDT | Freeze Warning | BOX | 16 hr |
| May 10, 3:32 PM EDT | Frost Advisory | BOX | 15 hr |
| May 14, 8:13 PM EDT | Special Weather Statement | BOX | 47 min |
| May 30, 8:13 PM EDT | Special Weather Statement | BOX | 62 min |
| Jun 5, 6:14 PM EDT | Special Weather Statement | BOX | 76 min |
| Jun 5, 7:28 PM EDT | Special Weather Statement | BOX | 77 min |
| Jun 7, 12:12 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 21, 3:22 AM EDT | Special Weather Statement | BOX | 53 min |
| Jul 1, 1:32 PM EDT | Tornado Watch | SPC | 8 hr |
| Jul 1, 5:21 PM EDT | Mesoscale Discussion | SPC | 84 min |
| Jul 2, 1:00 AM EDT | Special Weather Statement | BOX | 45 min |
| Jul 15, 7:55 PM EDT | Severe Thunderstorm Warning | BOX | 22 min |
| Jul 15, 8:12 PM EDT | Special Weather Statement | BOX | 48 min |
| Jul 16, 10:02 PM EDT | Special Weather Statement | BOX | 43 min |
| Jul 18, 11:40 AM EDT | Mesoscale Discussion | SPC | 95 min |
| Jul 18, 12:05 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 18, 1:42 PM EDT | Severe Thunderstorm Warning | BOX | 48 min |
| Jul 18, 3:21 PM EDT | Mesoscale Discussion | SPC | 84 min |
| Jul 18, 6:49 PM EDT | Mesoscale Discussion | SPC | 86 min |
| Jul 22, 5:36 PM EDT | Special Weather Statement | BOX | 39 min |
| Jul 22, 5:54 PM EDT | Severe Thunderstorm Warning | BOX | 51 min |
| Jul 22, 6:36 PM EDT | Severe Thunderstorm Warning | BOX | 39 min |
| Jul 22, 6:53 PM EDT | Severe Thunderstorm Warning | BOX | 52 min |
| Jul 22, 7:13 PM EDT | Severe Thunderstorm Warning | BOX | 20 min |
| Jul 23, 4:43 PM EDT | Mesoscale Discussion | SPC | 92 min |
| Jul 23, 6:04 PM EDT | Severe Thunderstorm Watch | SPC | 2 hr |
| Jul 23, 6:36 PM EDT | Mesoscale Discussion | SPC | 54 min |
| Jul 23, 7:15 PM EDT | Severe Thunderstorm Warning | BOX | 60 min |
| Jul 24, 4:03 AM EDT | Heat Advisory | BOX | 38 hr |
| Jul 25, 2:18 PM EDT | Special Weather Statement | BOX | 87 min |
| Jul 30, 7:48 PM EDT | Areal Flood Advisory | BOX | 57 min |
| Jul 31, 8:34 AM EDT | Special Weather Statement | BOX | 86 min |
| Aug 2, 4:59 AM EDT | Areal Flood Advisory | BOX | 61 min |
| Aug 2, 6:17 AM EDT | Areal Flood Advisory | BOX | 118 min |
| Aug 6, 2:19 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 10, 3:13 AM EDT | Heat Advisory | BOX | 40 hr |
| Aug 11, 3:44 PM EDT | Heat Advisory | BOX | 27 hr |
| Aug 12, 2:32 PM EDT | Special Weather Statement | BOX | 43 min |
| Aug 12, 2:57 PM EDT | Severe Thunderstorm Warning | BOX | 26 min |
| Aug 12, 5:17 PM EDT | Severe Thunderstorm Warning | BOX | 43 min |
| Aug 12, 7:06 PM EDT | Heat Advisory | BOX | 24 hr |
| Aug 12, 8:01 PM EDT | Special Weather Statement | BOX | 44 min |
| Aug 13, 3:11 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 13, 6:10 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 13, 8:37 PM EDT | Severe Thunderstorm Warning | BOX | 53 min |
| Aug 13, 8:53 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 13, 8:59 PM EDT | Special Weather Statement | BOX | 61 min |
| Aug 13, 9:04 PM EDT | Areal Flood Warning | BOX | 116 min |
| Aug 13, 9:09 PM EDT | Severe Thunderstorm Warning | BOX | 44 min |
| Aug 13, 9:29 PM EDT | Severe Thunderstorm Warning | BOX | 46 min |
| Aug 13, 9:31 PM EDT | Areal Flood Warning | BOX | 119 min |
| Aug 13, 10:07 PM EDT | Severe Thunderstorm Warning | BOX | 38 min |
| Aug 13, 10:15 PM EDT | Severe Thunderstorm Warning | BOX | 45 min |
| Aug 14, 1:45 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 16, 12:52 PM EDT | Mesoscale Discussion | SPC | 53 min |
| Aug 16, 9:24 PM EDT | Special Weather Statement | BOX | 51 min |
| Sep 11, 7:44 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 11, 8:11 AM EDT | Severe Thunderstorm Warning | BOX | 49 min |
| Sep 11, 8:38 AM EDT | Special Weather Statement | BOX | 52 min |
| Sep 11, 8:49 AM EDT | Severe Thunderstorm Warning | BOX | 41 min |
| Sep 11, 9:23 AM EDT | Severe Thunderstorm Warning | BOX | 52 min |
| Sep 14, 1:33 PM EDT | Mesoscale Discussion | SPC | 87 min |
| Sep 24, 3:58 AM EDT | Frost Advisory | BOX | 28 hr |
| Sep 25, 8:03 AM EDT | Frost Advisory | BOX | 24 hr |
| Oct 3, 3:53 PM EDT | Special Weather Statement | BOX | 52 min |
| Oct 10, 3:56 AM EDT | Freeze Watch | BOX | 12 hr |
| Oct 10, 3:45 PM EDT | Freeze Warning | BOX | 17 hr |
| Oct 22, 4:04 AM EDT | Wind Advisory | BOX | 38 hr |
| Nov 11, 3:44 AM EST | Wind Advisory | BOX | 18 hr |
| Nov 19, 4:26 PM EST | Wind Advisory | BOX | 50 hr |
| Nov 19, 8:58 PM EST | Winter Weather Advisory | BOX | 30 hr |
| Nov 28, 2:41 PM EST | Freezing Rain Advisory | BOX | 19 hr |
| Nov 30, 12:42 AM EST | Dense Fog Advisory | BOX | 8 hr |
| Dec 11, 4:02 AM EST | Winter Weather Advisory | BOX | 31 hr |
| Dec 11, 2:32 PM EST | Winter Storm Warning | BOX | 20 hr |
| Dec 14, 2:58 PM EST | High Wind Watch | BOX | 13 hr |
| Dec 14, 3:02 PM EST | Wind Chill Watch | BOX | 13 hr |
| Dec 15, 3:49 AM EST | High Wind Warning | BOX | 26 hr |
| Dec 15, 3:58 AM EST | Wind Chill Advisory | BOX | 29 hr |
| Dec 16, 4:29 AM EST | Winter Weather Advisory | BOX | 37 hr |
| Dec 17, 6:57 AM EST | Mesoscale Discussion | SPC | 5 hr |
| Dec 17, 7:12 PM EST | Freezing Rain Advisory | BOX | 12 hr |
| Dec 18, 3:47 AM EST | Dense Fog Advisory | BOX | 6 hr |
| Dec 23, 2:48 PM EST | Winter Weather Advisory | BOX | 23 hr |
| Dec 25, 4:05 PM EST | Freezing Rain Advisory | BOX | 31 hr |
| Dec 27, 3:59 PM EST | Winter Storm Watch | BOX | 24 hr |
| Dec 28, 4:45 AM EST | Winter Storm Warning | BOX | 42 hr |
| Dec 29, 3:09 PM EST | Mesoscale Discussion | SPC | 6 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20152017
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.