Alert archive / Rhode Island / Bristol County
Weather alerts in Bristol County, Rhode Island, 2008
115 weather alerts in 2008, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Bristol County and its neighbors
Each county as a circle sized by its count in 2008. Tap one for its archive.
- Alerts
- 115
- Warnings
- 29
- Watches
- 14
- Advisories
- 44
- Busiest month
- July20 alerts
- Busiest day
- June 24, 20089 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
1 of 1 tornado warnings covering Bristol County in 2008 had a tornado report inside them; 1 of 1 tornado reports fell inside a warning, on average 1 minutes after it went out.
Bristol County, 2008
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 1 | 0% | 1 | 100% | 1 min |
| Severe thunderstorm warnings | 14 | 8 | 43% | 4 | 75% | 22 min |
| Flash flood warnings | 2 | 2 | 0% | 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, 12:00 PM EST | Winter Weather Advisory | BOX | 28 hr |
| Jan 30, 4:02 AM EST | Wind Advisory | BOX | 14 hr |
| Feb 1, 4:45 AM EST | Wind Advisory | BOX | 30 hr |
| Feb 5, 5:06 PM EST | Dense Fog Advisory | BOX | 11 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 17, 7:03 PM EST | Wind Advisory | BOX | 20 hr |
| Feb 21, 4:09 PM EST | Winter Weather Advisory | BOX | 34 hr |
| Feb 22, 12:51 PM EST | Mesoscale Discussion | SPC | 6 hr |
| Mar 4, 4:32 PM EST | Wind Advisory | BOX | 21 hr |
| Mar 5, 5:39 AM EST | Mesoscale Discussion | SPC | 96 min |
| Mar 5, 6:49 AM EST | Severe Thunderstorm Warning | BOX | 26 min |
| Mar 6, 4:46 PM EST | Flood Watch | BOX | 54 hr |
| Mar 8, 2:34 AM EST | Severe Thunderstorm Warning | BOX | 26 min |
| Mar 8, 11:30 AM EST | Wind Advisory | BOX | 26 hr |
| Mar 8, 11:33 AM EST | High Wind Warning | BOX | 19 hr |
| Mar 8, 12:14 PM EST | Coastal Flood Advisory | BOX | 10 hr |
| Mar 8, 6:48 PM EST | Mesoscale Discussion | SPC | 57 min |
| Mar 8, 7:01 PM EST | Coastal Flood Warning | BOX | 4 hr |
| Mar 20, 4:23 PM EDT | Wind Advisory | BOX | 27 hr |
| Apr 1, 11:20 PM EDT | Severe Thunderstorm Warning | BOX | 25 min |
| Apr 30, 2:19 PM EDT | Frost Advisory | BOX | 17 hr |
| Jun 16, 6:18 PM EDT | Mesoscale Discussion | SPC | 87 min |
| Jun 17, 10:44 AM EDT | Mesoscale Discussion | SPC | 61 min |
| Jun 24, 12:07 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Jun 24, 12:19 PM EDT | Severe Thunderstorm Warning | BOX | 56 min |
| Jun 24, 12:54 PM EDT | Severe Thunderstorm Warning | BOX | 13 min |
| Jun 24, 1:06 PM EDT | Severe Thunderstorm Warning | BOX | 39 min |
| Jun 24, 1:38 PM EDT | Areal Flood Advisory | BOX | 3 hr |
| Jun 24, 2:40 PM EDT | Flash Flood Warning | BOX | 95 min |
| Jun 24, 2:47 PM EDT | Severe Thunderstorm Warning | BOX | 22 min |
| Jun 24, 6:25 PM EDT | Severe Thunderstorm Warning | BOX | 21 min |
| Jun 24, 6:41 PM EDT | Severe Thunderstorm Warning | BOX | 31 min |
| Jun 28, 10:45 PM EDT | Dense Fog Advisory | BOX | 9 hr |
| Jul 1, 12:19 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 2, 12:18 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 6, 12:53 AM EDT | Dense Fog Advisory | BOX | 4 hr |
| Jul 21, 3:05 PM EDT | Mesoscale Discussion | SPC | 55 min |
| Jul 23, 2:18 PM EDT | Flood Watch | BOX | 36 hr |
| Jul 23, 2:34 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 23, 3:10 PM EDT | Severe Thunderstorm Warning | BOX | 65 min |
| Jul 23, 3:50 PM EDT | Severe Thunderstorm Warning | BOX | 44 min |
| Jul 23, 3:51 PM EDT | Flash Flood Warning | BOX | 84 min |
| Jul 23, 4:04 PM EDT | Tornado Warning | BOX | 25 min |
| 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, 10:40 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 24, 11:31 AM EDT | Areal Flood Advisory | BOX | 89 min |
| Jul 24, 12:19 PM EDT | Areal Flood Advisory | BOX | 3 hr |
| Jul 24, 3:49 PM EDT | Mesoscale Discussion | SPC | 116 min |
| Jul 27, 3:41 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 27, 5:25 PM EDT | Severe Thunderstorm Warning | BOX | 50 min |
| Jul 28, 1:58 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 2, 12:32 PM EDT | Mesoscale Discussion | SPC | 88 min |
| Aug 3, 10:27 AM EDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 8, 4:20 PM EDT | Areal Flood Advisory | BOX | 3 hr |
| Aug 8, 4:45 PM EDT | Severe Thunderstorm Warning | BOX | 45 min |
| Aug 8, 5:22 PM EDT | Areal Flood Advisory | BOX | 2 hr |
| Aug 11, 10:56 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 11, 1:34 PM EDT | Flash Flood Watch | BOX | 8 hr |
| Aug 15, 2:47 PM EDT | Mesoscale Discussion | SPC | 88 min |
| 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, 2:43 PM EDT | Areal Flood Advisory | BOX | 3 hr |
| Sep 6, 5:13 PM EDT | Areal Flood Advisory | BOX | 6 hr |
| Sep 6, 11:11 PM EDT | Areal Flood Advisory | BOX | 6 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, 12:40 PM EDT | Areal Flood Advisory | BOX | 4 hr |
| Sep 9, 12:57 PM EDT | Severe Thunderstorm Warning | BOX | 48 min |
| Sep 25, 4:48 PM EDT | Flood Watch | BOX | 67 hr |
| Sep 27, 12:35 PM EDT | Areal Flood Advisory | BOX | 6 hr |
| Sep 27, 4:37 PM EDT | Areal Flood Warning | BOX | 4 hr |
| Oct 1, 10:43 AM EDT | Mesoscale Discussion | SPC | 62 min |
| Oct 23, 4:06 AM EDT | Freeze Warning | BOX | 28 hr |
| Oct 25, 12:07 PM EDT | Wind Advisory | BOX | 10 hr |
| Oct 25, 7:51 PM EDT | High Wind Warning | BOX | 9 hr |
| Oct 25, 11:30 PM 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 |
| Nov 15, 4:57 AM EST | Wind Advisory | BOX | 18 hr |
| Nov 15, 4:58 AM EST | Areal Flood Advisory | BOX | 6 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 15, 8:49 PM EST | Coastal Flood Advisory | BOX | 2 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 |
| Dec 7, 2:38 AM EST | Wind Advisory | BOX | 24 hr |
| Dec 9, 4:13 PM EST | Wind Advisory | BOX | 30 hr |
| Dec 11, 4:55 AM EST | Wind Advisory | BOX | 27 hr |
| Dec 12, 12:32 AM EST | Areal Flood Warning | BOX | 6 hr |
| Dec 12, 2:36 AM EST | Coastal Flood Advisory | BOX | 6 hr |
| Dec 12, 7:43 AM EST | High Wind Warning | BOX | 3 hr |
| 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 21, 4:16 AM EST | Wind Advisory | BOX | 31 hr |
| Dec 24, 5:25 AM EST | Wind Advisory | BOX | 29 hr |
| Dec 24, 10:32 PM EST | High Wind Warning | BOX | 6 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 | 14 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 3 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 28 |
| Flooding | |
| Areal Flood Warning | 2 |
| Flash Flood Warning | 2 |
| Flash Flood Watch | 2 |
| Flood Watch | 4 |
| Areal Flood Advisory | 14 |
| Winter | |
| Winter Storm Warning | 2 |
| Winter Storm Watch | 2 |
| Winter Weather Advisory | 4 |
| Cold | |
| Freeze Warning | 1 |
| Frost Advisory | 1 |
| Wind and dust | |
| High Wind Warning | 5 |
| Wind Advisory | 18 |
| Fog and smoke | |
| Dense Fog Advisory | 3 |
| Tropical | |
| Tropical Storm Warning | 1 |
| Tropical Storm Watch | 2 |
| Coast and beach | |
| Coastal Flood Warning | 1 |
| Coastal Flood Advisory | 4 |
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.