Alert archive / Massachusetts / Dukes County
Weather alerts in Dukes County, Massachusetts, 2019
92 weather alerts in 2019, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Dukes County and its neighbors
Each county as a circle sized by its count in 2019. Tap one for its archive.
- Alerts
- 92
- Warnings
- 16
- Watches
- 14
- Advisories
- 46
- Busiest month
- October18 alerts
- Busiest day
- July 23, 20194 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 Dukes County in 2019 had a tornado report inside them.
Dukes County, 2019
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 4 | 2 | 50% | 2 | 100% | 43 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2019
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Boston/Norton, MA: tornado warnings | 13 | 2 | 85% | 7 | 86% | 23 min |
| NWS Boston/Norton, MA: severe thunderstorm warnings | 120 | 68 | 43% | 336 | 63% | 23 min |
| NWS Boston/Norton, MA: flash flood warnings | 12 | 1 | 92% | 1 | 100% | 47 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 8, 6:01 PM EST | Dense Fog Advisory | BOX | 10 hr |
| Jan 9, 4:17 AM EST | Dense Fog Advisory | BOX | 3 hr |
| Jan 9, 4:17 AM EST | Wind Advisory | BOX | 12 hr |
| Jan 18, 3:02 PM EST | Coastal Flood Advisory | BOX | 45 hr |
| Jan 20, 10:23 AM EST | Areal Flood Warning | BOX | 4 hr |
| Jan 20, 11:16 AM EST | High Wind Warning | BOX | 4 hr |
| Jan 23, 3:53 AM EST | High Wind Watch | BOX | 11 hr |
| Jan 23, 3:08 PM EST | High Wind Warning | BOX | 26 hr |
| Jan 24, 5:07 PM EST | Wind Advisory | BOX | 113 min |
| Jan 29, 4:11 AM EST | High Wind Watch | BOX | 23 hr |
| Jan 30, 3:21 AM EST | Wind Advisory | BOX | 18 hr |
| Feb 4, 9:55 PM EST | Dense Fog Advisory | BOX | 9 hr |
| Feb 8, 3:29 AM EST | Wind Advisory | BOX | 35 hr |
| Feb 17, 3:48 AM EST | Winter Weather Advisory | BOX | 35 hr |
| Feb 23, 3:37 AM EST | High Wind Watch | BOX | 25 hr |
| Feb 24, 4:07 AM EST | High Wind Warning | BOX | 39 hr |
| Feb 25, 7:01 PM EST | Wind Advisory | BOX | 20 hr |
| Feb 26, 3:34 PM EST | Winter Weather Advisory | BOX | 42 hr |
| Mar 1, 3:15 AM EST | Winter Weather Advisory | BOX | 34 hr |
| Apr 4, 4:12 AM EDT | Red Flag Warning | BOX | 15 hr |
| Apr 13, 7:16 PM EDT | Dense Fog Advisory | BOX | 14 hr |
| Apr 14, 3:00 AM EDT | Wind Advisory | BOX | 49 hr |
| Apr 14, 9:05 PM EDT | Dense Fog Advisory | BOX | 9 hr |
| Apr 15, 7:14 AM EDT | Areal Flood Advisory | BOX | 2 hr |
| Apr 19, 1:48 PM EDT | Wind Advisory | BOX | 6 hr |
| May 7, 3:50 AM EDT | Frost Advisory | BOX | 4 hr |
| May 24, 8:44 AM EDT | Wind Advisory | BOX | 12 hr |
| Jun 1, 4:10 AM EDT | Dense Fog Advisory | BOX | 5 hr |
| Jun 1, 11:12 PM EDT | Dense Fog Advisory | BOX | 9 hr |
| Jun 20, 4:00 PM EDT | Dense Fog Advisory | BOX | 17 hr |
| Jun 29, 6:14 PM EDT | Special Weather Statement | BOX | 61 min |
| Jun 30, 4:26 PM EDT | Special Weather Statement | BOX | 49 min |
| Jun 30, 4:59 PM EDT | Severe Thunderstorm Warning | BOX | 27 min |
| Jul 5, 11:45 PM EDT | Dense Fog Advisory | BOX | 7 hr |
| Jul 11, 1:48 AM EDT | Dense Fog Advisory | BOX | 7 hr |
| Jul 12, 7:17 AM EDT | Special Weather Statement | BOX | 58 min |
| Jul 17, 6:54 PM EDT | Mesoscale Discussion | SPC | 96 min |
| Jul 18, 3:47 PM EDT | Heat Advisory | BOX | 3 days |
| Jul 22, 2:56 PM EDT | Special Weather Statement | BOX | 34 min |
| Jul 22, 9:33 PM EDT | Severe Thunderstorm Warning | BOX | 35 min |
| Jul 23, 3:27 AM EDT | Flash Flood Watch | BOX | 10 hr |
| Jul 23, 10:45 AM EDT | Severe Thunderstorm Warning | BOX | 45 min |
| Jul 23, 11:13 AM EDT | Tornado Warning | BOX | 32 min |
| Jul 31, 1:17 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 31, 4:19 PM EDT | Mesoscale Discussion | SPC | 56 min |
| Aug 7, 1:02 PM EDT | Mesoscale Discussion | SPC | 88 min |
| Aug 8, 2:59 AM EDT | Severe Thunderstorm Warning | BOX | 38 min |
| Aug 18, 3:03 AM EDT | Dense Fog Advisory | BOX | 6 hr |
| Aug 21, 10:06 AM EDT | Special Weather Statement | BOX | 84 min |
| Aug 21, 1:53 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 21, 6:20 PM EDT | Mesoscale Discussion | SPC | 115 min |
| Aug 28, 2:53 AM EDT | Flash Flood Watch | BOX | 28 hr |
| Sep 5, 5:00 AM EDT | Tropical Storm Watch | BOX | 12 hr |
| Sep 5, 5:04 PM EDT | Tropical Storm Warning | BOX | 42 hr |
| Sep 6, 4:54 AM EDT | High Surf Advisory | BOX | 47 hr |
| Sep 12, 12:34 AM EDT | Special Weather Statement | BOX | 41 min |
| Sep 18, 3:51 AM EDT | Rip Current Statement | BOX | 20 hr |
| Sep 18, 3:34 PM EDT | High Surf Advisory | BOX | 53 hr |
| Sep 22, 4:31 PM EDT | Rip Current Statement | BOX | 3 days |
| Sep 26, 6:45 AM EDT | Dense Fog Advisory | BOX | 2 hr |
| Sep 27, 2:58 AM EDT | Dense Fog Advisory | BOX | 4 hr |
| Sep 29, 3:53 AM EDT | Rip Current Statement | BOX | 4 days |
| Oct 8, 2:48 PM EDT | Coastal Flood Watch | BOX | 37 hr |
| Oct 8, 3:57 PM EDT | High Wind Watch | BOX | 11 hr |
| Oct 9, 3:16 AM EDT | High Wind Warning | BOX | 42 hr |
| Oct 9, 3:16 AM EDT | Wind Advisory | BOX | 69 hr |
| Oct 9, 3:36 AM EDT | Flood Watch | BOX | 42 hr |
| Oct 10, 3:30 AM EDT | Coastal Flood Advisory | BOX | 22 hr |
| Oct 16, 4:23 AM EDT | High Wind Watch | BOX | 11 hr |
| Oct 16, 4:23 AM EDT | Wind Advisory | BOX | 38 hr |
| Oct 16, 3:46 PM EDT | High Wind Warning | BOX | 14 hr |
| Oct 16, 8:52 PM EDT | Mesoscale Discussion | SPC | 83 min |
| Oct 17, 8:14 AM EDT | High Wind Warning | BOX | 10 hr |
| Oct 17, 6:20 PM EDT | Wind Advisory | BOX | 3 hr |
| Oct 23, 6:35 AM EDT | Dense Fog Advisory | BOX | 2 hr |
| Oct 26, 3:40 PM EDT | Wind Advisory | BOX | 30 hr |
| Oct 27, 6:28 PM EDT | Special Weather Statement | BOX | 92 min |
| Oct 30, 3:42 AM EDT | High Wind Watch | BOX | 24 hr |
| Oct 30, 3:34 PM EDT | Wind Advisory | BOX | 47 hr |
| Oct 31, 4:08 AM EDT | High Wind Warning | BOX | 27 hr |
| Nov 17, 3:17 AM EST | Wind Advisory | BOX | 38 hr |
| Nov 23, 3:48 PM EST | Wind Advisory | BOX | 30 hr |
| Nov 27, 6:55 PM EST | Special Weather Statement | BOX | 50 min |
| Dec 2, 4:24 AM EST | Wind Advisory | BOX | 9 hr |
| Dec 2, 7:33 PM EST | Wind Advisory | BOX | 14 hr |
| Dec 10, 3:35 AM EST | Winter Weather Advisory | BOX | 32 hr |
| Dec 13, 2:46 AM EST | Flood Watch | BOX | 31 hr |
| Dec 13, 2:49 AM EST | Wind Advisory | BOX | 34 hr |
| Dec 14, 2:09 AM EST | High Wind Warning | BOX | 8 hr |
| Dec 14, 3:30 PM EST | Wind Advisory | BOX | 28 hr |
| Dec 14, 4:04 PM EST | Dense Fog Advisory | BOX | 2 hr |
| Dec 18, 4:12 AM EST | Wind Advisory | BOX | 29 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 | 4 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 2 |
| Mesoscale Discussion | 5 |
| Special Weather Statement | 8 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flash Flood Watch | 2 |
| Flood Watch | 2 |
| Areal Flood Advisory | 1 |
| Winter | |
| Winter Weather Advisory | 4 |
| Heat | |
| Heat Advisory | 1 |
| Cold | |
| Frost Advisory | 1 |
| Wind and dust | |
| High Wind Warning | 8 |
| High Wind Watch | 6 |
| Wind Advisory | 20 |
| Fire | |
| Red Flag Warning | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 15 |
| Tropical | |
| Tropical Storm Warning | 1 |
| Tropical Storm Watch | 1 |
| Coast and beach | |
| Coastal Flood Watch | 1 |
| Coastal Flood Advisory | 2 |
| High Surf Advisory | 2 |
| Rip Current Statement | 3 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20182020
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.