Alert archive / North Carolina / Onslow County

Weather alerts in Onslow County, North Carolina, 2014

148 weather alerts in 2014, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Onslow County and its neighbors

Each county as a circle sized by its count in 2014. Tap one for its archive.

Alerts
148
Warnings
19
Watches
12
Advisories
15
Busiest month
June30 alerts
Busiest day
December 24, 20147 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 Onslow County in 2014 had a tornado report inside them.

Onslow County, 2014

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings10100%0
Severe thunderstorm warnings15940%1292%22 min
Flash flood warnings00

Each office's whole area, 2014

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Newport/Morehead City, NC: tornado warnings23961%2291%18 min
NWS Newport/Morehead City, NC: severe thunderstorm warnings664039%12474%23 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 11, 2:04 PM ESTMesoscale DiscussionSPC56 min
Jan 11, 2:13 PM ESTTornado WatchSPC5 hr
Jan 11, 4:10 PM ESTSevere Thunderstorm WarningMHX65 min
Jan 11, 4:37 PM ESTMesoscale DiscussionSPC53 min
Jan 28, 4:45 PM ESTMesoscale DiscussionSPC5 hr
Jan 28, 10:43 PM ESTMesoscale DiscussionSPC6 hr
Feb 11, 8:21 AM ESTMesoscale DiscussionSPC6 hr
Feb 11, 3:10 PM ESTMesoscale DiscussionSPC5 hr
Feb 12, 11:13 AM ESTMesoscale DiscussionSPC6 hr
Feb 19, 5:03 AM ESTSpecial Weather StatementMHX42 min
Feb 21, 11:05 AM ESTMesoscale DiscussionSPC55 min
Feb 21, 12:15 PM ESTTornado WatchSPC5 hr
Feb 21, 1:14 PM ESTMesoscale DiscussionSPC61 min
Feb 21, 2:04 PM ESTSevere Thunderstorm WarningMHX86 min
Mar 22, 8:23 PM EDTSpecial Weather StatementMHX67 min
Mar 22, 8:36 PM EDTSevere Thunderstorm WarningMHX24 min
Mar 22, 9:10 PM EDTSevere Thunderstorm WarningMHX20 min
Mar 22, 9:32 PM EDTSevere Thunderstorm WarningMHX28 min
Apr 7, 2:50 PM EDTMesoscale DiscussionSPC85 min
Apr 15, 5:00 PM EDTMesoscale DiscussionSPC2 hr
Apr 15, 8:44 PM EDTSpecial Weather StatementMHX46 min
Apr 25, 12:46 PM EDTMesoscale DiscussionSPC2 hr
Apr 25, 1:19 PM EDTTornado WatchSPC10 hr
Apr 25, 4:45 PM EDTMesoscale DiscussionSPC90 min
Apr 25, 7:29 PM EDTMesoscale DiscussionSPC61 min
Apr 28, 2:15 PM EDTMesoscale DiscussionSPC2 hr
Apr 29, 2:27 PM EDTTornado WatchSPC8 hr
Apr 29, 4:38 PM EDTMesoscale DiscussionSPC97 min
Apr 30, 12:33 PM EDTMesoscale DiscussionSPC87 min
Apr 30, 3:06 PM EDTSevere Thunderstorm WarningMHX39 min
Apr 30, 3:45 PM EDTSevere Thunderstorm WarningMHX45 min
Apr 30, 3:47 PM EDTMesoscale DiscussionSPC88 min
Apr 30, 11:41 PM EDTSpecial Weather StatementMHX64 min
May 15, 11:56 AM EDTSevere Thunderstorm WatchSPC8 hr
May 15, 3:22 PM EDTMesoscale DiscussionSPC53 min
May 15, 6:24 PM EDTMesoscale DiscussionSPC96 min
May 16, 1:34 AM EDTSpecial Weather StatementMHX56 min
May 23, 11:46 AM EDTMesoscale DiscussionSPC2 hr
May 23, 1:07 PM EDTSevere Thunderstorm WatchSPC10 hr
May 23, 2:27 PM EDTMesoscale DiscussionSPC93 min
May 23, 4:14 PM EDTMesoscale DiscussionSPC91 min
May 23, 5:04 PM EDTSpecial Weather StatementMHX11 min
May 23, 5:08 PM EDTSevere Thunderstorm WarningMHX37 min
May 23, 8:15 PM EDTSpecial Weather StatementMHX15 min
May 27, 6:05 PM EDTSpecial Weather StatementMHX40 min
May 27, 6:25 PM EDTSevere Thunderstorm WarningMHX50 min
May 27, 7:09 PM EDTSpecial Weather StatementMHX51 min
May 28, 4:33 PM EDTSpecial Weather StatementMHX57 min
Jun 5, 1:21 PM EDTSevere Thunderstorm WatchSPC7 hr
Jun 5, 3:48 PM EDTMesoscale DiscussionSPC57 min
Jun 5, 4:33 PM EDTSevere Thunderstorm WarningMHX57 min
Jun 5, 5:28 PM EDTSevere Thunderstorm WarningMHX62 min
Jun 5, 5:56 PM EDTAreal Flood WarningMHX94 min
Jun 5, 7:43 PM EDTSpecial Weather StatementMHX32 min
Jun 10, 4:38 AM EDTSpecial Weather StatementMHX82 min
Jun 12, 1:12 PM EDTSpecial Weather StatementMHX48 min
Jun 12, 3:59 PM EDTSpecial Weather StatementMHX46 min
Jun 12, 6:14 PM EDTSpecial Weather StatementMHX61 min
Jun 14, 2:30 PM EDTSpecial Weather StatementMHX45 min
Jun 14, 4:19 PM EDTSpecial Weather StatementMHX26 min
Jun 14, 4:45 PM EDTSpecial Weather StatementMHX30 min
Jun 20, 3:52 PM EDTSpecial Weather StatementMHX23 min
Jun 20, 4:14 PM EDTSpecial Weather StatementMHX31 min
Jun 20, 4:41 PM EDTSpecial Weather StatementMHX64 min
Jun 20, 7:44 PM EDTSpecial Weather StatementMHX46 min
Jun 20, 7:58 PM EDTSevere Thunderstorm WarningMHX47 min
Jun 20, 8:39 PM EDTSpecial Weather StatementMHX36 min
Jun 21, 1:33 PM EDTMesoscale DiscussionSPC117 min
Jun 21, 4:18 PM EDTSpecial Weather StatementMHX42 min
Jun 21, 5:08 PM EDTSpecial Weather StatementMHX67 min
Jun 21, 5:58 PM EDTSpecial Weather StatementMHX47 min
Jun 21, 6:41 PM EDTSevere Thunderstorm WarningMHX34 min
Jun 26, 9:25 PM EDTSpecial Weather StatementMHX65 min
Jun 27, 12:58 PM EDTSpecial Weather StatementMHX62 min
Jun 27, 2:00 PM EDTSpecial Weather StatementMHX60 min
Jun 27, 2:11 PM EDTAreal Flood AdvisoryMHX94 min
Jun 27, 2:54 PM EDTMesoscale DiscussionSPC2 hr
Jun 27, 2:58 PM EDTSpecial Weather StatementMHX47 min
Jul 3, 11:31 AM EDTMesoscale DiscussionSPC2 hr
Jul 3, 1:24 PM EDTTornado WatchSPC8 hr
Jul 3, 3:57 PM EDTSpecial Weather StatementMHX33 min
Jul 3, 4:09 PM EDTMesoscale DiscussionSPC2 hr
Jul 3, 9:23 PM EDTMesoscale DiscussionSPC67 min
Jul 3, 9:49 PM EDTTornado WatchSPC6 hr
Jul 10, 12:53 PM EDTMesoscale DiscussionSPC67 min
Jul 10, 1:34 PM EDTSevere Thunderstorm WatchSPC7 hr
Jul 10, 4:15 PM EDTMesoscale DiscussionSPC60 min
Jul 10, 8:19 PM EDTSpecial Weather StatementMHX56 min
Jul 10, 8:38 PM EDTAreal Flood AdvisoryMHX82 min
Jul 15, 2:15 PM EDTSevere Thunderstorm WarningMHX45 min
Jul 15, 3:02 PM EDTSpecial Weather StatementMHX58 min
Jul 20, 2:22 PM EDTSpecial Weather StatementMHX53 min
Jul 20, 3:16 PM EDTSpecial Weather StatementMHX59 min
Jul 21, 12:00 PM EDTSpecial Weather StatementMHX60 min
Jul 24, 12:33 PM EDTMesoscale DiscussionSPC87 min
Jul 24, 3:40 PM EDTSpecial Weather StatementMHX50 min
Jul 24, 4:03 PM EDTAreal Flood AdvisoryMHX3 hr
Jul 24, 6:51 PM EDTAreal Flood AdvisoryMHX84 min
Jul 24, 10:25 PM EDTSpecial Weather StatementMHX65 min
Jul 27, 10:08 AM EDTMesoscale DiscussionSPC67 min
Jul 28, 3:25 PM EDTSevere Thunderstorm WatchSPC6 hr
Jul 28, 4:21 PM EDTSpecial Weather StatementMHX54 min
Aug 1, 8:11 AM EDTSpecial Weather StatementMHX64 min
Aug 4, 8:52 AM EDTAreal Flood AdvisoryMHX83 min
Aug 4, 11:28 AM EDTAreal Flood WarningMHX3 hr
Aug 6, 6:33 PM EDTAreal Flood AdvisoryMHX87 min
Aug 7, 1:50 PM EDTSpecial Weather StatementMHX40 min
Aug 7, 2:32 PM EDTSpecial Weather StatementMHX43 min
Aug 7, 4:50 PM EDTSpecial Weather StatementMHX55 min
Aug 16, 2:26 PM EDTSpecial Weather StatementMHX49 min
Aug 16, 3:17 PM EDTSpecial Weather StatementMHX43 min
Aug 18, 8:35 PM EDTSpecial Weather StatementMHX55 min
Aug 18, 8:52 PM EDTSevere Thunderstorm WarningMHX38 min
Aug 18, 10:37 PM EDTSpecial Weather StatementMHX53 min
Aug 18, 11:27 PM EDTSpecial Weather StatementMHX63 min
Aug 19, 7:47 PM EDTSpecial Weather StatementMHX58 min
Aug 19, 8:11 PM EDTSpecial Weather StatementMHX34 min
Aug 21, 4:33 PM EDTSpecial Weather StatementMHX27 min
Aug 23, 11:57 AM EDTSpecial Weather StatementMHX63 min
Sep 7, 2:06 PM EDTSpecial Weather StatementMHX54 min
Sep 7, 3:07 PM EDTSpecial Weather StatementMHX53 min
Sep 8, 2:06 AM EDTSpecial Weather StatementMHX54 min
Sep 8, 5:36 PM EDTSpecial Weather StatementMHX39 min
Sep 8, 6:02 PM EDTAreal Flood AdvisoryMHX88 min
Sep 8, 6:13 PM EDTTornado WarningMHX32 min
Sep 12, 2:49 PM EDTSpecial Weather StatementMHX26 min
Sep 12, 3:03 PM EDTAreal Flood AdvisoryMHX3 hr
Sep 12, 4:46 PM EDTAreal Flood AdvisoryMHX89 min
Sep 12, 6:29 PM EDTAreal Flood AdvisoryMHX91 min
Sep 12, 7:56 PM EDTAreal Flood WarningMHX109 min
Sep 13, 1:58 PM EDTAreal Flood AdvisoryMHX92 min
Sep 17, 12:28 AM EDTSpecial Weather StatementMHX47 min
Sep 17, 4:31 PM EDTSpecial Weather StatementMHX44 min
Sep 17, 5:12 PM EDTSpecial Weather StatementMHX48 min
Oct 11, 6:39 PM EDTSpecial Weather StatementMHX51 min
Nov 6, 10:07 PM ESTSpecial Weather StatementMHX53 min
Nov 17, 9:56 AM ESTMesoscale DiscussionSPC2 hr
Nov 17, 10:26 AM ESTTornado WatchSPC7 hr
Nov 17, 1:19 PM ESTMesoscale DiscussionSPC116 min
Nov 24, 12:11 AM ESTSpecial Weather StatementMHX64 min
Nov 24, 4:52 AM ESTSpecial Weather StatementMHX53 min
Dec 24, 10:39 AM ESTSpecial Weather StatementMHX66 min
Dec 24, 10:42 AM ESTMesoscale DiscussionSPC63 min
Dec 24, 11:01 AM ESTAreal Flood AdvisoryMHX3 hr
Dec 24, 12:03 PM ESTSpecial Weather StatementMHX87 min
Dec 24, 12:27 PM ESTAreal Flood AdvisoryMHX3 hr
Dec 24, 2:46 PM ESTAreal Flood AdvisoryMHX89 min
Dec 24, 3:27 PM ESTAreal Flood AdvisoryMHX93 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 archive20132015

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.