Alert archive / Massachusetts / Berkshire County
Weather alerts in Berkshire County, Massachusetts, 2012
150 weather alerts in 2012, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Berkshire County and its neighbors
Each county as a circle sized by its count in 2012. Tap one for its archive.
- Alerts
- 150
- Warnings
- 42
- Watches
- 24
- Advisories
- 42
- Busiest month
- August23 alerts
- Busiest day
- September 8, 201210 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 2 tornado warnings covering Berkshire County in 2012 had a tornado report inside them.
Berkshire County, 2012
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 2 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 19 | 12 | 37% | 15 | 93% | 28 min |
| Flash flood warnings | 3 | 1 | 67% | 3 | 33% | 35 min |
Each office's whole area, 2012
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Albany, NY: tornado warnings | 7 | 0 | 100% | 0 | ||
| NWS Albany, NY: severe thunderstorm warnings | 121 | 80 | 34% | 219 | 87% | 25 min |
| NWS Albany, NY: flash flood warnings | 8 | 6 | 25% | 11 | 73% | 88 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 3, 4:03 AM EST | Wind Chill Advisory | ALY | 29 hr |
| Jan 11, 4:05 AM EST | Winter Weather Advisory | ALY | 36 hr |
| Jan 11, 9:53 PM EST | Wind Advisory | ALY | 14 hr |
| Jan 12, 3:41 PM EST | Winter Weather Advisory | ALY | 36 hr |
| Jan 12, 9:16 PM EST | Wind Advisory | ALY | 22 hr |
| Jan 13, 5:14 PM EST | Winter Storm Warning | ALY | 4 hr |
| Jan 14, 3:49 AM EST | Wind Chill Advisory | ALY | 30 hr |
| Jan 16, 3:56 AM EST | Winter Weather Advisory | ALY | 39 hr |
| Jan 17, 4:34 AM EST | Wind Advisory | ALY | 31 hr |
| Jan 22, 3:23 PM EST | Freezing Rain Advisory | ALY | 23 hr |
| Jan 26, 3:38 AM EST | Winter Weather Advisory | ALY | 27 hr |
| Jan 30, 4:47 AM EST | Special Weather Statement | ALY | 28 min |
| Feb 1, 3:22 PM EST | Special Weather Statement | ALY | 53 min |
| Feb 23, 4:42 PM EST | Winter Weather Advisory | ALY | 40 hr |
| Feb 23, 11:48 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Feb 24, 5:03 AM EST | Wind Advisory | ALY | 47 hr |
| Feb 24, 4:35 PM EST | High Wind Warning | ALY | 20 hr |
| Feb 28, 4:20 AM EST | Winter Storm Watch | ALY | 24 hr |
| Feb 29, 4:08 AM EST | Winter Storm Warning | ALY | 38 hr |
| Feb 29, 11:05 AM EST | Mesoscale Discussion | SPC | 4 hr |
| Feb 29, 11:17 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Mar 2, 4:01 PM EST | Winter Weather Advisory | ALY | 20 hr |
| Mar 8, 3:41 AM EST | Wind Advisory | ALY | 15 hr |
| Mar 9, 7:33 PM EST | Special Weather Statement | ALY | 57 min |
| Mar 26, 3:16 PM EDT | Fire Weather Watch | ALY | 13 hr |
| Mar 27, 4:00 AM EDT | Red Flag Warning | ALY | 15 hr |
| Apr 3, 3:20 PM EDT | Fire Weather Watch | ALY | 12 hr |
| Apr 4, 3:30 AM EDT | Red Flag Warning | ALY | 16 hr |
| Apr 5, 3:36 PM EDT | Fire Weather Watch | ALY | 13 hr |
| Apr 7, 3:50 AM EDT | Red Flag Warning | ALY | 16 hr |
| Apr 9, 4:13 AM EDT | Red Flag Warning | ALY | 15 hr |
| Apr 15, 3:39 PM EDT | Fire Weather Watch | ALY | 13 hr |
| Apr 16, 4:13 AM EDT | Red Flag Warning | ALY | 16 hr |
| Apr 16, 3:55 PM EDT | Fire Weather Watch | ALY | 12 hr |
| Apr 17, 3:27 AM EDT | Red Flag Warning | ALY | 16 hr |
| Apr 21, 4:35 PM EDT | Flood Watch | ALY | 38 hr |
| Apr 22, 4:04 PM EDT | Wind Advisory | ALY | 14 hr |
| Apr 25, 4:25 AM EDT | Freeze Warning | ALY | 28 hr |
| Apr 27, 3:21 AM EDT | Freeze Warning | ALY | 30 hr |
| Apr 28, 10:04 AM EDT | Freeze Warning | ALY | 22 hr |
| Apr 29, 10:18 AM EDT | Freeze Warning | ALY | 23 hr |
| May 11, 3:05 AM EDT | Frost Advisory | ALY | 29 hr |
| May 16, 1:18 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| May 16, 6:14 PM EDT | Severe Thunderstorm Warning | ALY | 61 min |
| May 16, 6:36 PM EDT | Mesoscale Discussion | SPC | 84 min |
| May 16, 8:42 PM EDT | Mesoscale Discussion | SPC | 63 min |
| May 17, 3:19 AM EDT | Frost Advisory | ALY | 29 hr |
| May 29, 12:01 PM EDT | Mesoscale Discussion | SPC | 59 min |
| May 29, 12:26 PM EDT | Tornado Watch | SPC | 8 hr |
| May 29, 1:52 PM EDT | Mesoscale Discussion | SPC | 53 min |
| May 29, 3:26 PM EDT | Mesoscale Discussion | SPC | 64 min |
| May 29, 4:43 PM EDT | Severe Thunderstorm Warning | ALY | 62 min |
| May 29, 5:44 PM EDT | Severe Thunderstorm Warning | ALY | 61 min |
| May 29, 5:45 PM EDT | Severe Thunderstorm Warning | ALY | 60 min |
| May 29, 6:44 PM EDT | Severe Thunderstorm Warning | ALY | 61 min |
| May 29, 7:06 PM EDT | Severe Thunderstorm Warning | ALY | 54 min |
| Jun 19, 3:03 PM EDT | Heat Advisory | ALY | 29 hr |
| Jun 22, 1:41 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 22, 3:17 PM EDT | Special Weather Statement | ALY | 28 min |
| Jun 23, 11:42 AM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 23, 2:56 PM EDT | Special Weather Statement | ALY | 64 min |
| Jun 25, 3:44 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 25, 7:16 AM EDT | Severe Thunderstorm Warning | ALY | 59 min |
| Jun 25, 2:02 PM EDT | Special Weather Statement | ALY | 43 min |
| Jun 25, 2:13 PM EDT | Severe Thunderstorm Warning | ALY | 62 min |
| Jul 1, 3:01 PM EDT | Severe Thunderstorm Warning | ALY | 29 min |
| Jul 18, 10:25 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 18, 12:20 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jul 23, 12:32 PM EDT | Mesoscale Discussion | SPC | 88 min |
| Jul 23, 1:24 PM EDT | Severe Thunderstorm Watch | SPC | 10 hr |
| Jul 23, 4:01 PM EDT | Mesoscale Discussion | SPC | 119 min |
| Jul 23, 4:43 PM EDT | Severe Thunderstorm Warning | ALY | 62 min |
| Jul 23, 10:29 PM EDT | Mesoscale Discussion | SPC | 91 min |
| Jul 23, 11:47 PM EDT | Special Weather Statement | ALY | 28 min |
| Jul 24, 2:42 PM EDT | Special Weather Statement | ALY | 48 min |
| Jul 26, 1:50 PM EDT | Mesoscale Discussion | SPC | 115 min |
| Jul 26, 2:10 PM EDT | Tornado Watch | SPC | 6 hr |
| Jul 28, 3:43 AM EDT | Flash Flood Watch | ALY | 31 hr |
| Jul 29, 8:52 AM EDT | Areal Flood Advisory | ALY | 4 hr |
| Aug 4, 3:29 PM EDT | Areal Flood Advisory | ALY | 2 hr |
| Aug 4, 4:11 PM EDT | Flash Flood Warning | ALY | 109 min |
| Aug 5, 3:38 AM EDT | Flash Flood Watch | ALY | 18 hr |
| Aug 5, 7:30 PM EDT | Severe Thunderstorm Warning | ALY | 60 min |
| Aug 10, 7:26 AM EDT | Areal Flood Advisory | ALY | 3 hr |
| Aug 10, 8:21 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 10, 10:51 AM EDT | Special Weather Statement | ALY | 39 min |
| Aug 10, 11:07 AM EDT | Special Weather Statement | ALY | 38 min |
| Aug 10, 11:59 AM EDT | Areal Flood Advisory | ALY | 3 hr |
| Aug 10, 3:08 PM EDT | Areal Flood Advisory | ALY | 2 hr |
| Aug 11, 12:26 PM EDT | Severe Thunderstorm Warning | ALY | 64 min |
| Aug 11, 12:35 PM EDT | Tornado Warning | ALY | 25 min |
| Aug 11, 12:56 PM EDT | Mesoscale Discussion | SPC | 94 min |
| Aug 11, 2:21 PM EDT | Areal Flood Advisory | ALY | 3 hr |
| Aug 11, 2:52 PM EDT | Flash Flood Warning | ALY | 6 hr |
| Aug 11, 3:38 PM EDT | Severe Thunderstorm Warning | ALY | 67 min |
| Aug 11, 4:41 PM EDT | Areal Flood Advisory | ALY | 3 hr |
| Aug 11, 4:59 PM EDT | Severe Thunderstorm Warning | ALY | 61 min |
| Aug 11, 7:14 PM EDT | Flash Flood Warning | ALY | 3 hr |
| Aug 15, 3:26 AM EDT | Areal Flood Advisory | ALY | 4 hr |
| Aug 17, 6:07 PM EDT | Special Weather Statement | ALY | 38 min |
| Aug 17, 6:28 PM EDT | Severe Thunderstorm Warning | ALY | 47 min |
| Aug 17, 6:51 PM EDT | Special Weather Statement | ALY | 39 min |
| Sep 8, 10:39 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 8, 12:32 PM EDT | Severe Thunderstorm Warning | ALY | 58 min |
| Sep 8, 12:40 PM EDT | Tornado Watch | SPC | 7 hr |
| Sep 8, 1:30 PM EDT | Mesoscale Discussion | SPC | 60 min |
| Sep 8, 2:46 PM EDT | Mesoscale Discussion | SPC | 59 min |
| Sep 8, 3:55 PM EDT | Mesoscale Discussion | SPC | 65 min |
| Sep 8, 5:08 PM EDT | Severe Thunderstorm Warning | ALY | 52 min |
| Sep 8, 5:44 PM EDT | Tornado Warning | ALY | 17 min |
| Sep 8, 5:58 PM EDT | Severe Thunderstorm Warning | ALY | 47 min |
| Sep 8, 6:17 PM EDT | Mesoscale Discussion | SPC | 58 min |
| Sep 17, 3:25 PM EDT | High Wind Watch | ALY | 14 hr |
| Sep 18, 5:08 AM EDT | High Wind Warning | ALY | 17 hr |
| Sep 18, 3:26 PM EDT | Mesoscale Discussion | SPC | 34 min |
| Sep 18, 3:38 PM EDT | Tornado Watch | SPC | 8 hr |
| Sep 18, 4:21 PM EDT | Mesoscale Discussion | SPC | 114 min |
| Sep 18, 7:32 PM EDT | Severe Thunderstorm Warning | ALY | 73 min |
| Sep 18, 7:40 PM EDT | Areal Flood Advisory | ALY | 3 hr |
| Sep 18, 7:42 PM EDT | Mesoscale Discussion | SPC | 63 min |
| Sep 19, 4:22 AM EDT | Frost Advisory | ALY | 29 hr |
| Sep 22, 9:04 PM EDT | Special Weather Statement | ALY | 41 min |
| Sep 24, 3:10 AM EDT | Frost Advisory | ALY | 28 hr |
| Sep 30, 5:10 PM EDT | Special Weather Statement | ALY | 50 min |
| Oct 5, 12:26 AM EDT | Dense Fog Advisory | ALY | 10 hr |
| Oct 11, 2:57 PM EDT | Freeze Watch | ALY | 13 hr |
| Oct 12, 4:08 AM EDT | Freeze Warning | ALY | 29 hr |
| Oct 19, 6:44 PM EDT | Areal Flood Advisory | ALY | 3 hr |
| Oct 19, 6:45 PM EDT | Areal Flood Advisory | ALY | 3 hr |
| Oct 27, 4:22 PM EDT | Flood Watch | ALY | 59 hr |
| Oct 27, 4:23 PM EDT | High Wind Watch | ALY | 12 hr |
| Oct 28, 4:23 AM EDT | High Wind Warning | ALY | 47 hr |
| Oct 30, 3:34 AM EDT | Wind Advisory | ALY | 13 hr |
| Nov 7, 11:51 AM EST | Winter Weather Advisory | ALY | 18 hr |
| Nov 13, 1:48 AM EST | Special Weather Statement | ALY | 57 min |
| Dec 2, 4:26 AM EST | Dense Fog Advisory | ALY | 6 hr |
| Dec 9, 12:24 PM EST | Winter Weather Advisory | ALY | 18 hr |
| Dec 16, 4:06 AM EST | Winter Weather Advisory | ALY | 32 hr |
| Dec 16, 8:19 PM EST | Mesoscale Discussion | SPC | 5 hr |
| Dec 17, 3:45 PM EST | Winter Weather Advisory | ALY | 12 hr |
| Dec 20, 4:25 AM EST | High Wind Watch | ALY | 8 hr |
| Dec 20, 12:05 PM EST | High Wind Warning | ALY | 25 hr |
| Dec 20, 12:05 PM EST | Wind Advisory | ALY | 25 hr |
| Dec 21, 4:28 PM EST | Winter Weather Advisory | ALY | 28 hr |
| Dec 22, 3:52 AM EST | Wind Advisory | ALY | 12 hr |
| Dec 24, 4:29 PM EST | Winter Storm Watch | ALY | 36 hr |
| Dec 25, 4:32 PM EST | Winter Storm Warning | ALY | 50 hr |
| Dec 26, 4:35 AM EST | High Wind Watch | ALY | 8 hr |
| Dec 26, 4:39 PM EST | Mesoscale Discussion | SPC | 5 hr |
| Dec 28, 10:51 PM EST | Winter Weather Advisory | ALY | 26 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 archive20112013
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.