Alert archive / Rhode Island / Bristol County

Weather alerts in Bristol County, Rhode Island, 2015

112 weather alerts in 2015, 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 2015. Tap one for its archive.

Alerts
112
Warnings
16
Watches
18
Advisories
43
Busiest month
January20 alerts
Busiest day
June 23, 20156 alerts

Over time

By month

Warning verification

How often warnings here had a storm report inside them, and how much warning the reports had.

Bristol County, 2015

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings00
Severe thunderstorm warnings4325%425%41 min
Flash flood warnings20100%0

Each office's whole area, 2015

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Boston/Norton, MA: tornado warnings10190%250%23 min
NWS Boston/Norton, MA: severe thunderstorm warnings915243%30975%23 min
NWS Boston/Norton, MA: flash flood warnings12192%5100%39 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.

IssuedProductOfficeLasted
Jan 4, 1:11 PM ESTDense Fog AdvisoryBOX9 hr
Jan 5, 4:24 AM ESTWind AdvisoryBOX14 hr
Jan 6, 4:31 PM ESTWind Chill AdvisoryBOX42 hr
Jan 14, 10:22 PM ESTWinter Weather AdvisoryBOX22 hr
Jan 18, 8:21 PM ESTSpecial Weather StatementBOX84 min
Jan 18, 8:23 PM ESTSpecial Weather StatementBOX82 min
Jan 18, 8:24 PM ESTSpecial Weather StatementBOX81 min
Jan 23, 4:06 AM ESTWinter Weather AdvisoryBOX39 hr
Jan 24, 4:28 AM ESTSpecial Weather StatementBOX62 min
Jan 24, 5:47 AM ESTMesoscale DiscussionSPC6 hr
Jan 25, 3:52 AM ESTBlizzard WatchBOX12 hr
Jan 25, 3:58 PM ESTBlizzard WarningBOX54 hr
Jan 25, 3:58 PM ESTWinter Storm WarningBOX54 hr
Jan 26, 6:33 PM ESTMesoscale DiscussionSPC5 hr
Jan 26, 11:32 PM ESTMesoscale DiscussionSPC4 hr
Jan 27, 4:28 AM ESTMesoscale DiscussionSPC5 hr
Jan 27, 10:24 AM ESTMesoscale DiscussionSPC5 hr
Jan 30, 4:25 PM ESTWinter Storm WatchBOX37 hr
Jan 30, 4:30 PM ESTWind AdvisoryBOX29 hr
Jan 31, 3:23 PM ESTWinter Storm WarningBOX56 hr
Feb 2, 3:14 PM ESTSpecial Weather StatementBOX91 min
Feb 6, 3:22 PM ESTWinter Storm WatchBOX24 hr
Feb 7, 2:55 PM ESTWinter Storm WarningBOX61 hr
Feb 12, 4:14 PM ESTWinter Storm WatchBOX36 hr
Feb 13, 3:18 PM ESTBlizzard WarningBOX49 hr
Feb 13, 3:18 PM ESTWinter Storm WarningBOX47 hr
Feb 15, 4:15 AM ESTWind Chill AdvisoryBOX30 hr
Feb 15, 4:17 AM ESTMesoscale DiscussionSPC6 hr
Feb 15, 2:42 PM ESTWinter Weather AdvisoryBOX9 hr
Feb 18, 10:55 PM ESTSpecial Weather StatementBOX110 min
Feb 19, 4:51 AM ESTWind Chill AdvisoryBOX29 hr
Feb 20, 4:27 PM ESTWinter Weather AdvisoryBOX43 hr
Feb 23, 3:54 PM ESTWinter Weather AdvisoryBOX39 hr
Feb 28, 4:06 AM ESTWinter Storm WatchBOX24 hr
Mar 1, 4:15 AM ESTWinter Storm WarningBOX22 hr
Mar 1, 1:57 PM ESTMesoscale DiscussionSPC5 hr
Mar 2, 3:38 PM ESTWinter Weather AdvisoryBOX36 hr
Mar 3, 4:49 PM ESTWinter Storm WatchBOX22 hr
Mar 3, 7:01 PM ESTMesoscale DiscussionSPC4 hr
Mar 4, 4:42 AM ESTWinter Storm WarningBOX41 hr
Mar 4, 2:32 PM ESTWinter Weather AdvisoryBOX22 hr
Mar 11, 1:51 AM EDTDense Fog AdvisoryBOX6 hr
Mar 16, 3:28 PM EDTWind AdvisoryBOX52 hr
Mar 17, 4:10 PM EDTSpecial Weather StatementBOX110 min
Mar 26, 6:11 AM EDTDense Fog AdvisoryBOX18 hr
Mar 26, 5:30 PM EDTSpecial Weather StatementBOX45 min
Apr 3, 3:55 AM EDTWind AdvisoryBOX38 hr
Apr 3, 10:25 PM EDTDense Fog AdvisoryBOX8 hr
Apr 4, 4:53 AM EDTSpecial Weather StatementBOX37 min
Apr 10, 2:28 PM EDTDense Fog AdvisoryBOX9 hr
Apr 19, 3:18 PM EDTCoastal Flood AdvisoryBOX37 hr
May 3, 4:09 PM EDTFire Weather WatchBOX12 hr
May 9, 2:56 PM EDTDense Fog AdvisoryBOX19 hr
May 10, 3:57 PM EDTDense Fog AdvisoryBOX18 hr
May 11, 4:20 PM EDTDense Fog AdvisoryBOX18 hr
May 12, 2:38 PM EDTMesoscale DiscussionSPC2 hr
May 12, 4:03 PM EDTFire Weather WatchBOX11 hr
May 13, 3:20 AM EDTRed Flag WarningBOX15 hr
May 30, 12:00 AM EDTDense Fog AdvisoryBOX8 hr
May 31, 3:29 PM EDTFlash Flood WatchBOX41 hr
May 31, 4:51 PM EDTFlash Flood WarningBOX3 hr
May 31, 5:26 PM EDTAreal Flood AdvisoryBOX2 hr
Jun 20, 4:19 PM EDTFlood WatchBOX20 hr
Jun 21, 10:39 AM EDTAreal Flood AdvisoryBOX66 min
Jun 23, 10:12 AM EDTSevere Thunderstorm WatchSPC6 hr
Jun 23, 2:46 PM EDTMesoscale DiscussionSPC89 min
Jun 23, 3:47 PM EDTTornado WatchSPC7 hr
Jun 23, 4:53 PM EDTMesoscale DiscussionSPC97 min
Jun 23, 5:42 PM EDTSevere Thunderstorm WarningBOX48 min
Jun 23, 6:55 PM EDTMesoscale DiscussionSPC95 min
Jun 27, 4:22 AM EDTWind AdvisoryBOX31 hr
Jun 27, 4:28 AM EDTFlood WatchBOX31 hr
Jul 1, 7:06 AM EDTAreal Flood AdvisoryBOX114 min
Jul 1, 7:28 AM EDTSevere Thunderstorm WarningBOX62 min
Jul 7, 7:48 PM EDTFlash Flood WatchBOX24 hr
Jul 8, 6:40 PM EDTAreal Flood AdvisoryBOX65 min
Jul 9, 4:01 AM EDTFlash Flood WatchBOX11 hr
Jul 15, 11:41 AM EDTFlash Flood WatchBOX9 hr
Jul 15, 5:42 PM EDTSpecial Weather StatementBOX63 min
Jul 15, 5:49 PM EDTFlash Flood WarningBOX116 min
Jul 24, 2:59 PM EDTMesoscale DiscussionSPC2 hr
Jul 27, 2:26 AM EDTSpecial Weather StatementBOX49 min
Jul 27, 3:14 AM EDTSpecial Weather StatementBOX61 min
Jul 27, 11:18 AM EDTSpecial Weather StatementBOX57 min
Jul 28, 4:10 PM EDTSpecial Weather StatementBOX50 min
Jul 28, 4:35 PM EDTSpecial Weather StatementBOX40 min
Aug 4, 5:59 AM EDTMesoscale DiscussionSPC3 hr
Aug 4, 6:09 AM EDTSevere Thunderstorm WarningBOX66 min
Aug 4, 6:54 AM EDTSevere Thunderstorm WarningBOX51 min
Aug 4, 6:49 PM EDTMesoscale DiscussionSPC86 min
Aug 11, 11:06 AM EDTSpecial Weather StatementBOX84 min
Aug 26, 12:49 AM EDTSpecial Weather StatementBOX56 min
Sep 10, 11:35 AM EDTFlash Flood WatchBOX17 hr
Sep 29, 1:00 PM EDTCoastal Flood AdvisoryBOX23 hr
Sep 30, 7:57 AM EDTSpecial Weather StatementBOX93 min
Sep 30, 11:02 AM EDTSpecial Weather StatementBOX88 min
Oct 17, 3:10 AM EDTFreeze WatchBOX25 hr
Oct 18, 4:08 AM EDTFreeze WarningBOX29 hr
Oct 27, 4:01 PM EDTWind AdvisoryBOX41 hr
Oct 27, 4:32 PM EDTCoastal Flood AdvisoryBOX34 hr
Oct 29, 3:43 AM EDTCoastal Flood AdvisoryBOX11 hr
Nov 5, 3:39 AM ESTDense Fog AdvisoryBOX3 hr
Nov 20, 3:44 AM ESTSpecial Weather StatementBOX91 min
Nov 27, 5:18 AM ESTDense Fog AdvisoryBOX4 hr
Dec 2, 3:03 PM ESTDense Fog AdvisoryBOX4 hr
Dec 10, 10:19 PM ESTDense Fog AdvisoryBOX11 hr
Dec 11, 9:01 AM ESTDense Fog AdvisoryBOX2 hr
Dec 14, 11:21 AM ESTDense Fog AdvisoryBOX13 hr
Dec 14, 3:03 PM ESTWind AdvisoryBOX26 hr
Dec 21, 3:20 AM ESTWind AdvisoryBOX13 hr
Dec 23, 2:44 AM ESTDense Fog AdvisoryBOX7 hr
Dec 24, 5:39 PM ESTDense Fog AdvisoryBOX15 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 archive20142016

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.