Alert archive / North Carolina / Dare County

Weather alerts in Dare County, North Carolina, 2011

142 weather alerts in 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Dare County and its neighbors

Each county as a circle sized by its count in 2011. Tap one for its archive.

Alerts
142
Warnings
25
Watches
20
Advisories
29
Busiest month
August34 alerts
Busiest day
August 27, 20119 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 6 tornado warnings covering Dare County in 2011 had a tornado report inside them; 2 of 2 tornado reports fell inside a warning, on average 9 minutes after it went out.

Dare County, 2011

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings6183%2100%9 min
Severe thunderstorm warnings5340%10%
Flash flood warnings00

Each office's whole area, 2011

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Newport/Morehead City, NC: tornado warnings451762%2785%20 min
NWS Newport/Morehead City, NC: severe thunderstorm warnings825533%15766%22 min
NWS Newport/Morehead City, NC: flash flood warnings10100%0

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 7, 3:15 AM ESTWinter Weather AdvisoryMHX19 hr
Jan 9, 3:31 PM ESTWinter Weather AdvisoryMHX45 hr
Jan 21, 3:43 PM ESTWinter Weather AdvisoryMHX30 hr
Jan 22, 5:28 PM ESTMesoscale DiscussionSPC2 hr
Feb 8, 3:04 PM ESTWinter Storm WatchMHX13 hr
Feb 9, 3:40 AM ESTWinter Storm WarningMHX31 hr
Feb 18, 9:55 AM ESTFire Weather WatchMHX5 hr
Feb 18, 2:38 PM ESTRed Flag WarningMHX30 hr
Feb 24, 3:02 PM ESTWind AdvisoryMHX30 hr
Feb 25, 6:49 AM ESTCoastal Flood AdvisoryMHX14 hr
Feb 28, 2:12 PM ESTWind AdvisoryMHX21 hr
Mar 6, 12:06 PM ESTMesoscale DiscussionSPC84 min
Mar 6, 3:49 PM ESTMesoscale DiscussionSPC86 min
Mar 22, 4:39 PM EDTFire Weather WatchMHX17 hr
Mar 28, 4:18 AM EDTFreeze WatchMHX11 hr
Mar 28, 3:03 PM EDTFrost AdvisoryMHX18 hr
Apr 4, 2:49 PM EDTWind AdvisoryMHX23 hr
Apr 5, 3:34 AM EDTMesoscale DiscussionSPC116 min
Apr 5, 4:00 AM EDTTornado WatchSPC6 hr
Apr 5, 7:08 AM EDTMesoscale DiscussionSPC2 hr
Apr 5, 10:15 AM EDTMesoscale DiscussionSPC90 min
Apr 5, 11:54 AM EDTSevere Thunderstorm WarningMHX66 min
Apr 15, 4:52 PM EDTWind AdvisoryMHX31 hr
Apr 16, 12:02 PM EDTTornado Watch PDSSPC11 hr
Apr 16, 2:28 PM EDTMesoscale DiscussionSPC92 min
Apr 16, 4:49 PM EDTMesoscale DiscussionSPC86 min
Apr 16, 6:59 PM EDTMesoscale DiscussionSPC91 min
Apr 16, 8:52 PM EDTMesoscale DiscussionSPC53 min
Apr 16, 9:16 PM EDTTornado WarningMHX44 min
Apr 16, 9:27 PM EDTTornado WarningMHX33 min
Apr 16, 9:39 PM EDTTornado WarningMHX51 min
Apr 16, 10:23 PM EDTSevere Thunderstorm WarningMHX37 min
Apr 28, 8:48 AM EDTTornado WatchSPC7 hr
Apr 28, 10:07 AM EDTWind AdvisoryMHX12 hr
Apr 28, 2:41 PM EDTTornado WatchSPC6 hr
Apr 28, 6:23 PM EDTTornado WarningMHX37 min
Apr 28, 6:33 PM EDTMesoscale DiscussionSPC57 min
Apr 28, 7:01 PM EDTTornado WarningMHX29 min
Apr 28, 8:27 PM EDTMesoscale DiscussionSPC33 min
May 7, 12:57 AM EDTDense Fog AdvisoryMHX7 hr
May 8, 11:51 PM EDTDense Smoke AdvisoryMHX8 hr
May 14, 1:44 PM EDTSevere Thunderstorm WatchSPC8 hr
May 16, 2:29 PM EDTMesoscale DiscussionSPC91 min
May 25, 6:00 AM EDTSpecial Weather StatementMHX30 min
Jun 1, 7:58 PM EDTDense Smoke AdvisoryMHX7 hr
Jun 17, 4:20 AM EDTSpecial Weather StatementMHX55 min
Jun 17, 10:55 AM EDTSpecial Weather StatementMHX65 min
Jun 17, 3:15 PM EDTSpecial Weather StatementMHX60 min
Jun 23, 6:50 PM EDTSevere Thunderstorm WarningMHX55 min
Jun 23, 7:34 PM EDTSevere Thunderstorm WarningMHX41 min
Jun 23, 8:13 PM EDTSpecial Weather StatementMHX62 min
Jun 27, 1:15 PM EDTMesoscale DiscussionSPC60 min
Jun 27, 1:34 PM EDTSevere Thunderstorm WatchSPC6 hr
Jun 27, 4:07 PM EDTMesoscale DiscussionSPC83 min
Jun 27, 6:55 PM EDTAreal Flood AdvisoryMHX80 min
Jul 5, 4:19 PM EDTSpecial Weather StatementMHX56 min
Jul 5, 5:20 PM EDTSpecial Weather StatementMHX55 min
Jul 6, 10:01 PM EDTSpecial Weather StatementMHX59 min
Jul 7, 4:35 PM EDTAreal Flood AdvisoryMHX85 min
Jul 8, 8:43 AM EDTSpecial Weather StatementMHX62 min
Jul 9, 10:08 AM EDTSpecial Weather StatementMHX67 min
Jul 9, 11:00 AM EDTSpecial Weather StatementMHX30 min
Jul 11, 3:13 PM EDTHeat AdvisoryMHX28 hr
Jul 12, 3:26 PM EDTHeat AdvisoryMHX28 hr
Jul 20, 2:37 PM EDTHeat AdvisoryMHX29 hr
Jul 21, 3:52 PM EDTHeat AdvisoryMHX11 hr
Jul 22, 3:15 AM EDTExcessive Heat WarningMHX64 hr
Jul 24, 3:46 AM EDTSpecial Weather StatementMHX59 min
Jul 24, 4:09 PM EDTHeat AdvisoryMHX25 hr
Jul 25, 7:23 PM EDTMesoscale DiscussionSPC67 min
Jul 25, 10:09 PM EDTSpecial Weather StatementMHX66 min
Jul 25, 11:14 PM EDTSpecial Weather StatementMHX61 min
Jul 26, 12:30 AM EDTSpecial Weather StatementMHX60 min
Jul 28, 3:30 PM EDTHeat AdvisoryMHX29 hr
Jul 29, 2:45 PM EDTHeat AdvisoryMHX29 hr
Jul 31, 11:36 AM EDTSpecial Weather StatementMHX24 min
Jul 31, 12:06 PM EDTSpecial Weather StatementMHX54 min
Aug 3, 3:14 AM EDTHeat AdvisoryMHX17 hr
Aug 3, 3:10 PM EDTHeat AdvisoryMHX28 hr
Aug 6, 4:00 PM EDTHeat AdvisoryMHX28 hr
Aug 7, 3:28 PM EDTHeat AdvisoryMHX29 hr
Aug 8, 3:38 PM EDTHeat AdvisoryMHX27 hr
Aug 8, 9:47 PM EDTSpecial Weather StatementMHX28 min
Aug 13, 1:33 PM EDTMesoscale DiscussionSPC117 min
Aug 14, 5:42 PM EDTSpecial Weather StatementMHX63 min
Aug 18, 3:17 PM EDTSpecial Weather StatementMHX28 min
Aug 19, 1:46 AM EDTSpecial Weather StatementMHX59 min
Aug 20, 7:00 PM EDTTropical Storm WarningNHC8 days
Aug 21, 5:00 AM EDTHurricane WatchNHC5 days
Aug 21, 11:00 AM EDTHurricane WarningNHC7 days
Aug 25, 5:21 AM EDTHurricane WatchMHX12 hr
Aug 25, 9:43 AM EDTFlood WatchMHX60 hr
Aug 25, 5:00 PM EDTHurricane WarningMHX61 hr
Aug 26, 4:14 PM EDTMesoscale DiscussionSPC2 hr
Aug 26, 7:58 PM EDTMesoscale DiscussionSPC92 min
Aug 26, 8:11 PM EDTTornado WatchSPC9 hr
Aug 26, 10:12 PM EDTAreal Flood WarningMHX6 hr
Aug 26, 11:06 PM EDTMesoscale DiscussionSPC84 min
Aug 27, 12:32 AM EDTTornado WatchSPC10 hr
Aug 27, 3:06 AM EDTMesoscale DiscussionSPC114 min
Aug 27, 4:29 AM EDTAreal Flood WarningMHX6 hr
Aug 27, 4:31 AM EDTAreal Flood WarningMHX6 hr
Aug 27, 9:33 AM EDTAreal Flood WarningMHX12 hr
Aug 27, 12:58 PM EDTAreal Flood WarningMHX6 hr
Aug 27, 9:09 PM EDTAreal Flood WarningMHX12 hr
Aug 28, 5:33 AM EDTTropical Storm WarningMHX4 hr
Aug 29, 11:08 AM EDTMesoscale DiscussionSPC97 min
Aug 29, 2:13 PM EDTMesoscale DiscussionSPC2 hr
Aug 29, 3:28 PM EDTSevere Thunderstorm WatchSPC8 hr
Aug 29, 4:40 PM EDTTornado WarningMHX50 min
Aug 29, 8:12 PM EDTSevere Thunderstorm WarningMHX18 min
Sep 8, 2:13 PM EDTAreal Flood AdvisoryMHX92 min
Sep 12, 8:40 PM EDTSpecial Weather StatementMHX50 min
Sep 15, 8:54 PM EDTSpecial Weather StatementMHX66 min
Sep 15, 9:38 PM EDTSpecial Weather StatementMHX52 min
Sep 17, 6:22 AM EDTSpecial Weather StatementMHX83 min
Sep 21, 4:11 AM EDTFlood WatchMHX8 hr
Sep 27, 8:53 AM EDTSpecial Weather StatementMHX37 min
Sep 29, 6:20 AM EDTSpecial Weather StatementMHX55 min
Sep 30, 5:05 PM EDTSpecial Weather StatementMHX55 min
Sep 30, 5:32 PM EDTMesoscale DiscussionSPC88 min
Sep 30, 10:19 PM EDTSpecial Weather StatementMHX56 min
Oct 12, 1:22 PM EDTMesoscale DiscussionSPC83 min
Oct 19, 10:50 AM EDTMesoscale DiscussionSPC85 min
Oct 19, 3:26 PM EDTSpecial Weather StatementMHX64 min
Oct 19, 6:26 PM EDTMesoscale DiscussionSPC2 hr
Nov 11, 3:45 AM ESTFreeze WatchMHX11 hr
Nov 11, 2:44 PM ESTFreeze WarningMHX18 hr
Nov 16, 4:45 PM ESTMesoscale DiscussionSPC90 min
Nov 16, 11:30 PM ESTSpecial Weather StatementMHX45 min
Nov 17, 12:23 AM ESTSpecial Weather StatementMHX37 min
Nov 17, 4:12 AM ESTSpecial Weather StatementMHX33 min
Nov 23, 7:54 AM ESTSpecial Weather StatementMHX51 min
Nov 23, 3:44 PM ESTSpecial Weather StatementMHX61 min
Dec 7, 5:56 PM ESTSevere Thunderstorm WatchSPC4 hr
Dec 7, 8:41 PM ESTSpecial Weather StatementMHX34 min
Dec 7, 9:14 PM ESTSpecial Weather StatementMHX31 min
Dec 26, 3:15 PM ESTWind AdvisoryMHX46 hr
Dec 27, 12:05 PM ESTMesoscale DiscussionSPC55 min
Dec 27, 1:15 PM ESTTornado WatchSPC4 hr
Dec 27, 3:38 PM ESTSpecial Weather StatementMHX52 min
Dec 27, 3:59 PM ESTMesoscale DiscussionSPC61 min

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 archive20102012

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.