Alert archive / North Carolina / Columbus County

Weather alerts in Columbus County, North Carolina, 2015

161 weather alerts in 2015, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Columbus County and its neighbors

Each county as a circle sized by its count in 2015. Tap one for its archive.

Alerts
161
Warnings
42
Watches
14
Advisories
52
Busiest month
June43 alerts
Busiest day
June 18, 20159 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 2 tornado warnings covering Columbus County in 2015 had a tornado report inside them; 3 of 3 tornado reports fell inside a warning, on average 3 minutes after it went out.

Columbus County, 2015

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings2150%3100%3 min
Severe thunderstorm warnings191237%1782%21 min
Flash flood warnings5420%0

Each office's whole area, 2015

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Wilmington, NC: tornado warnings6350%956%5 min
NWS Wilmington, NC: severe thunderstorm warnings895637%15372%22 min
NWS Wilmington, NC: flash flood warnings151220%7497%175 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 3, 8:44 PM ESTDense Fog AdvisoryILM7 hr
Jan 4, 1:39 PM ESTMesoscale DiscussionSPC96 min
Jan 7, 3:50 AM ESTWind Chill AdvisoryILM30 hr
Jan 9, 7:07 AM ESTWinter Weather AdvisoryILM3 hr
Jan 12, 7:13 PM ESTDense Fog AdvisoryILM8 hr
Jan 13, 3:40 AM ESTFreezing Rain AdvisoryILM26 hr
Feb 13, 4:04 PM ESTFire Weather WatchILM12 hr
Feb 14, 3:46 AM ESTRed Flag WarningILM15 hr
Feb 14, 3:56 AM ESTWind AdvisoryILM24 hr
Feb 16, 3:28 AM ESTWinter Weather AdvisoryILM32 hr
Feb 18, 3:56 AM ESTWind Chill AdvisoryILM54 hr
Feb 18, 9:45 PM ESTSpecial Weather StatementILM2 hr
Feb 23, 4:03 PM ESTWinter Weather AdvisoryILM28 hr
Feb 25, 5:34 PM ESTSpecial Weather StatementILM56 min
Feb 28, 3:20 PM ESTFreezing Rain AdvisoryILM20 hr
Mar 2, 2:45 AM ESTDense Fog AdvisoryILM7 hr
Mar 3, 10:54 PM ESTDense Fog AdvisoryILM35 hr
Mar 5, 3:25 PM ESTSpecial Weather StatementILM3 hr
Mar 27, 2:08 PM EDTFreeze WatchILM13 hr
Mar 27, 2:57 PM EDTSpecial Weather StatementILM48 min
Mar 28, 3:25 AM EDTFreeze WarningILM30 hr
Mar 29, 4:01 PM EDTFrost AdvisoryILM14 hr
Apr 14, 4:29 PM EDTMesoscale DiscussionSPC46 min
Apr 19, 5:01 PM EDTTornado WatchSPC6 hr
Apr 19, 7:11 PM EDTMesoscale DiscussionSPC94 min
Apr 19, 7:19 PM EDTSevere Thunderstorm WarningILM86 min
Apr 30, 10:57 PM EDTSpecial Weather StatementILM63 min
May 9, 3:29 PM EDTFlood WatchILM31 hr
May 10, 3:49 PM EDTAreal Flood AdvisoryILM3 hr
May 10, 6:34 PM EDTAreal Flood AdvisoryILM3 hr
May 11, 3:24 PM EDTMesoscale DiscussionSPC3 hr
May 11, 5:36 PM EDTAreal Flood AdvisoryILM54 min
May 12, 1:55 PM EDTMesoscale DiscussionSPC3 hr
May 21, 12:11 PM EDTMesoscale DiscussionSPC94 min
May 21, 12:59 PM EDTSevere Thunderstorm WatchSPC7 hr
May 21, 3:24 PM EDTMesoscale DiscussionSPC96 min
May 21, 3:59 PM EDTSevere Thunderstorm WarningILM46 min
May 21, 4:04 PM EDTSpecial Weather StatementILM41 min
May 21, 4:12 PM EDTTornado WarningILM19 min
Jun 2, 1:01 PM EDTSpecial Weather StatementILM59 min
Jun 9, 5:59 PM EDTAreal Flood AdvisoryILM3 hr
Jun 9, 9:14 PM EDTSevere Thunderstorm WarningILM30 min
Jun 14, 3:21 PM EDTHeat AdvisoryILM28 hr
Jun 15, 3:03 PM EDTHeat AdvisoryILM28 hr
Jun 17, 2:33 AM EDTHeat AdvisoryILM16 hr
Jun 18, 4:06 AM EDTHeat AdvisoryILM15 hr
Jun 18, 1:32 PM EDTMesoscale DiscussionSPC2 hr
Jun 18, 3:12 PM EDTHeat AdvisoryILM28 hr
Jun 18, 4:54 PM EDTSevere Thunderstorm WarningILM66 min
Jun 18, 5:32 PM EDTAreal Flood AdvisoryILM3 hr
Jun 18, 5:39 PM EDTSpecial Weather StatementILM66 min
Jun 18, 5:41 PM EDTSevere Thunderstorm WarningILM49 min
Jun 18, 5:50 PM EDTSpecial Weather StatementILM40 min
Jun 18, 6:15 PM EDTSevere Thunderstorm WarningILM45 min
Jun 19, 3:00 PM EDTHeat AdvisoryILM28 hr
Jun 19, 4:11 PM EDTMesoscale DiscussionSPC2 hr
Jun 19, 6:00 PM EDTSpecial Weather StatementILM60 min
Jun 20, 12:27 AM EDTSpecial Weather StatementILM63 min
Jun 20, 2:53 PM EDTHeat AdvisoryILM28 hr
Jun 21, 3:04 PM EDTHeat AdvisoryILM29 hr
Jun 22, 4:07 PM EDTHeat AdvisoryILM27 hr
Jun 22, 4:13 PM EDTSpecial Weather StatementILM62 min
Jun 22, 4:23 PM EDTSevere Thunderstorm WarningILM50 min
Jun 22, 4:49 PM EDTSevere Thunderstorm WarningILM26 min
Jun 22, 5:12 PM EDTSpecial Weather StatementILM63 min
Jun 23, 3:39 PM EDTHeat AdvisoryILM28 hr
Jun 24, 3:46 PM EDTHeat AdvisoryILM28 hr
Jun 24, 8:06 PM EDTSpecial Weather StatementILM54 min
Jun 24, 8:37 PM EDTSpecial Weather StatementILM53 min
Jun 24, 8:51 PM EDTSpecial Weather StatementILM54 min
Jun 24, 9:11 PM EDTSevere Thunderstorm WarningILM64 min
Jun 26, 3:29 PM EDTMesoscale DiscussionSPC2 hr
Jun 27, 3:00 PM EDTTornado WarningILM12 min
Jun 27, 5:06 PM EDTSpecial Weather StatementILM24 min
Jun 27, 6:23 PM EDTMesoscale DiscussionSPC2 hr
Jun 27, 6:31 PM EDTSpecial Weather StatementILM29 min
Jun 27, 8:44 PM EDTSevere Thunderstorm WarningILM46 min
Jun 27, 9:29 PM EDTSpecial Weather StatementILM61 min
Jun 30, 1:38 PM EDTMesoscale DiscussionSPC3 hr
Jun 30, 4:33 PM EDTMesoscale DiscussionSPC117 min
Jun 30, 5:43 PM EDTSevere Thunderstorm WatchSPC3 hr
Jun 30, 7:22 PM EDTMesoscale DiscussionSPC83 min
Jun 30, 8:00 PM EDTSpecial Weather StatementILM60 min
Jul 2, 5:49 PM EDTSevere Thunderstorm WarningILM56 min
Jul 2, 6:30 PM EDTSevere Thunderstorm WarningILM60 min
Jul 2, 7:35 PM EDTSpecial Weather StatementILM25 min
Jul 2, 7:42 PM EDTSevere Thunderstorm WarningILM63 min
Jul 3, 4:58 PM EDTSpecial Weather StatementILM77 min
Jul 6, 6:03 PM EDTSpecial Weather StatementILM42 min
Jul 13, 1:31 PM EDTSevere Thunderstorm WarningILM25 min
Jul 13, 2:54 PM EDTAreal Flood AdvisoryILM3 hr
Jul 13, 3:59 PM EDTSevere Thunderstorm WarningILM61 min
Jul 13, 6:05 PM EDTSpecial Weather StatementILM55 min
Jul 18, 3:00 PM EDTHeat AdvisoryILM28 hr
Jul 19, 2:58 PM EDTHeat AdvisoryILM28 hr
Jul 20, 2:51 PM EDTExcessive Heat WarningILM28 hr
Jul 20, 2:51 PM EDTHeat AdvisoryILM28 hr
Jul 21, 7:20 PM EDTMesoscale DiscussionSPC85 min
Jul 23, 11:21 AM EDTMesoscale DiscussionSPC114 min
Jul 23, 12:46 PM EDTSpecial Weather StatementILM44 min
Jul 23, 12:58 PM EDTSevere Thunderstorm WatchSPC7 hr
Jul 23, 3:48 PM EDTSevere Thunderstorm WarningILM57 min
Jul 23, 3:58 PM EDTMesoscale DiscussionSPC2 hr
Jul 23, 4:21 PM EDTSevere Thunderstorm WarningILM38 min
Jul 23, 4:45 PM EDTSevere Thunderstorm WarningILM60 min
Jul 23, 4:53 PM EDTAreal Flood AdvisoryILM3 hr
Jul 31, 7:51 PM EDTSpecial Weather StatementILM39 min
Aug 5, 3:44 AM EDTHeat AdvisoryILM15 hr
Aug 5, 3:57 PM EDTSevere Thunderstorm WarningILM48 min
Aug 5, 5:38 PM EDTSpecial Weather StatementILM67 min
Aug 6, 5:36 PM EDTAreal Flood AdvisoryILM3 hr
Aug 21, 6:35 PM EDTAreal Flood AdvisoryILM55 min
Aug 21, 8:28 PM EDTAreal Flood AdvisoryILM62 min
Aug 31, 3:15 AM EDTMesoscale DiscussionSPC3 hr
Sep 4, 8:20 PM EDTSpecial Weather StatementILM55 min
Sep 10, 5:42 PM EDTMesoscale DiscussionSPC3 hr
Sep 30, 3:05 PM EDTFlood WatchILM69 hr
Oct 2, 5:55 AM EDTAreal Flood AdvisoryILM2 hr
Oct 2, 7:51 AM EDTAreal Flood WarningILM3 hr
Oct 2, 3:01 PM EDTAreal Flood AdvisoryILM3 hr
Oct 2, 3:28 PM EDTAreal Flood AdvisoryILM2 hr
Oct 2, 4:07 PM EDTAreal Flood WarningILM3 hr
Oct 2, 6:12 PM EDTAreal Flood WarningILM6 hr
Oct 3, 1:19 AM EDTSpecial Weather StatementILM116 min
Oct 3, 9:19 AM EDTAreal Flood WarningILM3 hr
Oct 3, 11:50 AM EDTFlash Flood WatchILM52 hr
Oct 3, 7:43 PM EDTWind AdvisoryILM46 hr
Oct 4, 7:19 AM EDTAreal Flood WarningILM116 min
Oct 4, 11:18 AM EDTSpecial Weather StatementILM27 min
Oct 4, 1:12 PM EDTFlash Flood WarningILM6 hr
Oct 4, 2:54 PM EDTAreal Flood WarningILM3 hr
Oct 4, 3:33 PM EDTAreal Flood WarningILM3 hr
Oct 4, 6:00 PM EDTFlash Flood WarningILM6 hr
Oct 5, 2:11 AM EDTFlash Flood WarningILM4 hr
Oct 5, 5:56 AM EDTFlash Flood WarningILM6 hr
Oct 5, 7:16 AM EDTFlash Flood WarningILM3 hr
Oct 6, 12:02 AM EDTAreal Flood WarningILM3 hr
Oct 6, 3:09 AM EDTAreal Flood WarningILM2 hr
Oct 10, 3:45 AM EDTFlash Flood WatchILM24 hr
Oct 19, 3:23 PM EDTFrost AdvisoryILM18 hr
Oct 22, 12:57 AM EDTDense Fog AdvisoryILM8 hr
Nov 3, 8:14 AM ESTAreal Flood AdvisoryILM3 hr
Nov 3, 8:54 AM ESTAreal Flood WarningILM6 hr
Nov 3, 9:03 AM ESTFlood WatchILM9 hr
Nov 3, 2:40 PM ESTAreal Flood WarningILM3 hr
Nov 4, 11:56 AM ESTAreal Flood WarningILM2 hr
Nov 5, 1:13 AM ESTDense Fog AdvisoryILM9 hr
Nov 8, 3:20 PM ESTFlood WatchILM30 hr
Nov 14, 2:54 AM ESTFrost AdvisoryILM29 hr
Nov 21, 3:02 PM ESTFreeze WatchILM22 hr
Nov 22, 3:22 PM ESTFreeze WatchILM21 hr
Nov 23, 2:00 AM ESTFreeze WarningILM30 hr
Dec 1, 11:45 PM ESTDense Fog AdvisoryILM8 hr
Dec 2, 8:01 AM ESTDense Fog AdvisoryILM119 min
Dec 13, 9:47 PM ESTDense Fog AdvisoryILM8 hr
Dec 22, 12:11 PM ESTSpecial Weather StatementILM49 min
Dec 23, 6:07 AM ESTSpecial Weather StatementILM53 min
Dec 23, 7:39 AM ESTMesoscale DiscussionSPC2 hr
Dec 23, 2:21 PM ESTMesoscale DiscussionSPC84 min
Dec 26, 10:20 PM ESTDense Fog AdvisoryILM8 hr
Dec 30, 5:48 PM ESTAreal Flood AdvisoryILM3 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.