Alert archive / Massachusetts / Suffolk County
Weather alerts in Suffolk County, Massachusetts, 2008
147 weather alerts in 2008, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Suffolk County and its neighbors
Each county as a circle sized by its count in 2008. Tap one for its archive.
- Alerts
- 147
- Warnings
- 41
- Watches
- 23
- Advisories
- 55
- Busiest month
- July32 alerts
- Busiest day
- July 24, 200810 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Suffolk County, 2008
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 23 | 19 | 17% | 11 | 91% | 23 min |
| Flash flood warnings | 1 | 1 | 0% | 1 | 0% |
Each office's whole area, 2008
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Boston/Norton, MA: tornado warnings | 3 | 1 | 67% | 1 | 100% | 1 min |
| NWS Boston/Norton, MA: severe thunderstorm warnings | 287 | 176 | 39% | 571 | 80% | 21 min |
| NWS Boston/Norton, MA: flash flood warnings | 16 | 7 | 56% | 56 | 57% | 35 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, 3:53 AM EST | Wind Advisory | BOX | 13 hr |
| Jan 13, 4:46 AM EST | Winter Storm Warning | BOX | 31 hr |
| Jan 13, 12:00 PM EST | Heavy Snow Warning | BOX | 27 hr |
| Jan 22, 12:00 PM EST | Wind Advisory | BOX | 4 hr |
| Jan 30, 4:02 AM EST | Wind Advisory | BOX | 14 hr |
| Feb 1, 4:45 AM EST | Wind Advisory | BOX | 30 hr |
| Feb 10, 4:31 AM EST | Wind Advisory | BOX | 32 hr |
| Feb 12, 4:59 AM EST | Winter Weather Advisory | BOX | 28 hr |
| Feb 12, 11:13 AM EST | Flood Watch | BOX | 34 hr |
| Feb 12, 7:41 PM EST | Mesoscale Discussion | SPC | 6 hr |
| Feb 13, 1:31 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Feb 13, 4:32 PM EST | River Flood Warning | BOX | 6 hr |
| Feb 21, 11:46 AM EST | Winter Storm Watch | BOX | 4 hr |
| Feb 21, 4:09 PM EST | Winter Storm Warning | BOX | 33 hr |
| Feb 22, 12:51 PM EST | Mesoscale Discussion | SPC | 6 hr |
| Feb 29, 5:08 AM EST | Snow Advisory | BOX | 31 hr |
| Mar 4, 4:32 PM EST | Wind Advisory | BOX | 21 hr |
| Mar 6, 4:46 PM EST | Flood Watch | BOX | 54 hr |
| Mar 8, 11:30 AM EST | Wind Advisory | BOX | 26 hr |
| Mar 8, 6:48 PM EST | Mesoscale Discussion | SPC | 57 min |
| Mar 20, 4:23 PM EDT | Wind Advisory | BOX | 27 hr |
| Mar 21, 2:27 PM EDT | High Wind Warning | BOX | 5 hr |
| Apr 1, 3:34 AM EDT | Wind Advisory | BOX | 16 hr |
| Apr 1, 4:10 PM EDT | Wind Advisory | BOX | 24 hr |
| Apr 23, 3:15 PM EDT | Fire Weather Watch | BOX | 13 hr |
| Apr 24, 4:28 AM EDT | Red Flag Warning | BOX | 14 hr |
| May 5, 4:44 AM EDT | Dense Fog Advisory | BOX | 2 hr |
| May 25, 4:33 PM EDT | Fire Weather Watch | BOX | 11 hr |
| May 26, 3:28 AM EDT | Red Flag Warning | BOX | 17 hr |
| May 27, 12:24 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| May 27, 2:45 PM EDT | Mesoscale Discussion | SPC | 90 min |
| May 27, 5:58 PM EDT | Areal Flood Advisory | BOX | 3 hr |
| May 27, 6:05 PM EDT | Severe Thunderstorm Warning | BOX | 25 min |
| May 29, 4:46 AM EDT | Red Flag Warning | BOX | 13 hr |
| Jun 11, 12:18 AM EDT | Severe Thunderstorm Warning | BOX | 24 min |
| Jun 17, 10:44 AM EDT | Mesoscale Discussion | SPC | 61 min |
| Jun 23, 5:44 PM EDT | Areal Flood Advisory | BOX | 2 hr |
| Jun 24, 12:07 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Jun 24, 4:47 PM EDT | Areal Flood Advisory | BOX | 3 hr |
| Jun 24, 5:04 PM EDT | Severe Thunderstorm Warning | BOX | 37 min |
| Jun 24, 5:22 PM EDT | Severe Thunderstorm Warning | BOX | 38 min |
| Jun 24, 5:36 PM EDT | Flash Flood Warning | BOX | 24 min |
| Jun 27, 1:35 PM EDT | Severe Thunderstorm Warning | BOX | 25 min |
| Jun 27, 1:56 PM EDT | Severe Thunderstorm Warning | BOX | 49 min |
| Jun 27, 2:12 PM EDT | Severe Thunderstorm Warning | BOX | 33 min |
| Jun 27, 2:14 PM EDT | Areal Flood Advisory | BOX | 46 min |
| Jun 28, 10:45 PM EDT | Dense Fog Advisory | BOX | 9 hr |
| Jul 1, 5:38 PM EDT | Severe Thunderstorm Warning | BOX | 23 min |
| Jul 1, 8:24 PM EDT | Severe Thunderstorm Warning | BOX | 29 min |
| Jul 2, 12:13 PM EDT | Severe Thunderstorm Warning | BOX | 47 min |
| Jul 2, 12:18 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 2, 12:55 PM EDT | Severe Thunderstorm Warning | BOX | 50 min |
| Jul 2, 12:57 PM EDT | Severe Thunderstorm Warning | BOX | 48 min |
| Jul 2, 2:50 PM EDT | Severe Thunderstorm Warning | BOX | 40 min |
| Jul 2, 3:25 PM EDT | Severe Thunderstorm Warning | BOX | 24 min |
| Jul 3, 6:55 PM EDT | Severe Thunderstorm Warning | BOX | 35 min |
| Jul 18, 7:30 PM EDT | Mesoscale Discussion | SPC | 90 min |
| Jul 19, 1:26 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 20, 2:11 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 20, 3:06 PM EDT | Severe Thunderstorm Warning | BOX | 24 min |
| Jul 20, 3:32 PM EDT | Severe Thunderstorm Warning | BOX | 13 min |
| Jul 20, 7:27 PM EDT | Mesoscale Discussion | SPC | 63 min |
| Jul 21, 3:05 PM EDT | Mesoscale Discussion | SPC | 55 min |
| Jul 23, 2:18 PM EDT | Flood Watch | BOX | 36 hr |
| Jul 23, 4:38 PM EDT | Areal Flood Advisory | BOX | 3 hr |
| Jul 23, 8:55 PM EDT | Areal Flood Advisory | BOX | 3 hr |
| Jul 23, 8:59 PM EDT | Areal Flood Advisory | BOX | 3 hr |
| Jul 23, 9:26 PM EDT | Mesoscale Discussion | SPC | 64 min |
| Jul 23, 9:50 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 24, 12:07 AM EDT | Mesoscale Discussion | SPC | 53 min |
| Jul 24, 7:11 AM EDT | Areal Flood Advisory | BOX | 3 hr |
| Jul 24, 10:40 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 24, 12:19 PM EDT | Areal Flood Advisory | BOX | 3 hr |
| Jul 24, 3:49 PM EDT | Mesoscale Discussion | SPC | 116 min |
| Jul 24, 5:53 PM EDT | Areal Flood Advisory | BOX | 3 hr |
| Jul 27, 3:41 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 27, 4:30 PM EDT | Severe Thunderstorm Warning | BOX | 60 min |
| Jul 27, 5:25 PM EDT | Severe Thunderstorm Warning | BOX | 50 min |
| Jul 31, 12:38 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Aug 2, 12:32 PM EDT | Mesoscale Discussion | SPC | 88 min |
| Aug 2, 3:42 PM EDT | Areal Flood Advisory | BOX | 3 hr |
| Aug 3, 10:27 AM EDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 3, 3:41 PM EDT | Severe Thunderstorm Warning | BOX | 32 min |
| Aug 3, 4:10 PM EDT | Severe Thunderstorm Warning | BOX | 29 min |
| Aug 8, 12:01 AM EDT | Areal Flood Advisory | BOX | 3 hr |
| Aug 8, 6:30 PM EDT | Areal Flood Advisory | BOX | 119 min |
| Aug 10, 3:09 PM EDT | Severe Thunderstorm Warning | BOX | 39 min |
| Aug 10, 5:31 PM EDT | Areal Flood Advisory | BOX | 97 min |
| Aug 11, 10:56 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 11, 1:14 PM EDT | Flash Flood Watch | BOX | 15 min |
| Aug 11, 1:34 PM EDT | Flash Flood Watch | BOX | 8 hr |
| Aug 15, 4:55 PM EDT | Areal Flood Advisory | BOX | 3 hr |
| Sep 4, 5:00 AM EDT | Tropical Storm Watch | NHC | 48 hr |
| Sep 4, 5:00 PM EDT | Tropical Storm Warning | NHC | 60 hr |
| Sep 5, 2:16 PM EDT | Flash Flood Watch | BOX | 37 hr |
| Sep 5, 5:30 PM EDT | Tropical Storm Watch | BOX | 24 hr |
| Sep 6, 5:13 PM EDT | Areal Flood Advisory | BOX | 6 hr |
| Sep 6, 10:25 PM EDT | Areal Flood Warning | BOX | 7 hr |
| Sep 9, 11:39 AM EDT | Mesoscale Discussion | SPC | 36 min |
| Sep 9, 11:40 AM EDT | Severe Thunderstorm Watch | SPC | 3 hr |
| Sep 9, 12:11 PM EDT | Mesoscale Discussion | SPC | 94 min |
| Sep 9, 12:12 PM EDT | Areal Flood Advisory | BOX | 3 hr |
| Sep 9, 12:52 PM EDT | Severe Thunderstorm Warning | BOX | 38 min |
| Sep 25, 4:48 PM EDT | Flood Watch | BOX | 67 hr |
| Sep 26, 3:02 PM EDT | Areal Flood Advisory | BOX | 3 hr |
| Sep 26, 5:20 PM EDT | Areal Flood Advisory | BOX | 3 hr |
| Sep 27, 12:35 PM EDT | Areal Flood Advisory | BOX | 6 hr |
| Sep 27, 6:45 PM EDT | Areal Flood Advisory | BOX | 3 hr |
| Oct 1, 10:43 AM EDT | Mesoscale Discussion | SPC | 62 min |
| Oct 25, 12:07 PM EDT | Wind Advisory | BOX | 10 hr |
| Oct 25, 7:51 PM EDT | High Wind Warning | BOX | 9 hr |
| Oct 26, 12:11 AM EDT | Areal Flood Advisory | BOX | 3 hr |
| Oct 26, 2:27 AM EDT | Areal Flood Advisory | BOX | 2 hr |
| Oct 27, 3:52 PM EDT | Wind Advisory | BOX | 36 hr |
| Oct 30, 9:10 PM EDT | Freeze Warning | BOX | 11 hr |
| Nov 15, 4:57 AM EST | Wind Advisory | BOX | 18 hr |
| Nov 15, 11:41 AM EST | Coastal Flood Advisory | BOX | 2 hr |
| Nov 15, 5:12 PM EST | Areal Flood Advisory | BOX | 3 hr |
| Nov 15, 6:55 PM EST | Tornado Watch | SPC | 3 hr |
| Nov 15, 8:17 PM EST | High Wind Warning | BOX | 4 hr |
| Nov 24, 11:34 AM EST | High Wind Watch | BOX | 16 hr |
| Nov 24, 3:29 PM EST | Wind Advisory | BOX | 22 hr |
| Nov 25, 1:52 AM EST | Coastal Flood Advisory | BOX | 9 hr |
| Nov 25, 7:26 AM EST | Areal Flood Advisory | BOX | 6 hr |
| Nov 25, 11:06 AM EST | Flood Watch | BOX | 3 hr |
| Dec 7, 2:38 AM EST | Wind Advisory | BOX | 24 hr |
| Dec 9, 4:13 PM EST | Wind Advisory | BOX | 30 hr |
| Dec 10, 3:51 PM EST | Flood Watch | BOX | 43 hr |
| Dec 12, 12:32 AM EST | Areal Flood Warning | BOX | 6 hr |
| Dec 12, 5:55 AM EST | Areal Flood Warning | BOX | 12 hr |
| Dec 12, 8:40 AM EST | Wind Advisory | BOX | 96 min |
| Dec 16, 4:12 AM EST | Winter Weather Advisory | BOX | 32 hr |
| Dec 17, 3:07 PM EST | Winter Storm Watch | BOX | 24 hr |
| Dec 18, 3:07 PM EST | Winter Storm Warning | BOX | 35 hr |
| Dec 19, 12:22 PM EST | Mesoscale Discussion | SPC | 6 hr |
| Dec 19, 6:46 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Dec 20, 4:29 PM EST | Winter Weather Advisory | BOX | 26 hr |
| Dec 21, 4:16 AM EST | Wind Advisory | BOX | 31 hr |
| Dec 21, 6:11 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Dec 21, 11:47 PM EST | Winter Weather Advisory | BOX | 12 hr |
| Dec 24, 5:25 AM EST | Wind Advisory | BOX | 29 hr |
| Dec 28, 9:47 AM EST | Wind Advisory | BOX | 8 hr |
| Dec 29, 3:54 PM EST | Wind Advisory | BOX | 23 hr |
| Dec 30, 11:40 AM EST | Winter Storm Watch | BOX | 5 hr |
| Dec 30, 4:55 PM EST | Winter Storm Warning | BOX | 32 hr |
| Dec 31, 7:06 AM EST | Mesoscale Discussion | SPC | 3 hr |
| Dec 31, 11:50 AM EST | Mesoscale Discussion | SPC | 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 | 23 |
| Severe Thunderstorm Watch | 5 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 28 |
| Flooding | |
| Areal Flood Warning | 3 |
| Flash Flood Warning | 1 |
| River Flood Warning | 1 |
| Flash Flood Watch | 3 |
| Flood Watch | 6 |
| Areal Flood Advisory | 25 |
| Winter | |
| Heavy Snow Warning | 1 |
| Winter Storm Warning | 4 |
| Winter Storm Watch | 3 |
| Snow Advisory | 1 |
| Winter Weather Advisory | 4 |
| Cold | |
| Freeze Warning | 1 |
| Wind and dust | |
| High Wind Warning | 3 |
| High Wind Watch | 1 |
| Wind Advisory | 21 |
| Fire | |
| Red Flag Warning | 3 |
| Fire Weather Watch | 2 |
| Fog and smoke | |
| Dense Fog Advisory | 2 |
| Tropical | |
| Tropical Storm Warning | 1 |
| Tropical Storm Watch | 2 |
| Coast and beach | |
| Coastal Flood Advisory | 2 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20072009
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.