Alert archive / North Carolina / Martin County

Weather alerts in Martin County, North Carolina, 2021

86 weather alerts in 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Martin County and its neighbors

Each county as a circle sized by its count in 2021. Tap one for its archive.

Alerts
86
Warnings
12
Watches
16
Advisories
17
Busiest month
August15 alerts
Busiest day
August 1, 20215 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 Martin County in 2021 had a tornado report inside them.

Martin County, 2021

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings10100%0
Severe thunderstorm warnings4250%30%
Flash flood warnings00

Each office's whole area, 2021

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Newport/Morehead City, NC: tornado warnings9367%475%21 min
NWS Newport/Morehead City, NC: severe thunderstorm warnings422248%5480%21 min
NWS Newport/Morehead City, NC: flash flood warnings5340%11100%121 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, 10:24 AM ESTRiver Flood WarningMHX66 hr
Jan 13, 12:44 AM ESTFreezing Fog AdvisoryMHX8 hr
Jan 16, 5:14 AM ESTDense Fog AdvisoryMHX4 hr
Jan 27, 3:01 AM ESTWinter Weather AdvisoryMHX32 hr
Feb 16, 1:26 AM ESTSpecial Weather StatementMHX34 min
Feb 16, 2:01 AM ESTAreal Flood AdvisoryMHX3 hr
Feb 17, 3:00 PM ESTFlash Flood WatchMHX48 hr
Feb 18, 8:59 AM ESTRiver Flood WarningMHX16 days
Feb 22, 1:24 PM ESTMesoscale DiscussionSPC2 hr
Feb 22, 2:08 PM ESTSpecial Weather StatementMHX52 min
Feb 22, 3:00 PM ESTSevere Thunderstorm WarningMHX45 min
Mar 18, 5:57 PM EDTMesoscale DiscussionSPC63 min
Mar 27, 6:45 AM EDTDense Fog AdvisoryMHX3 hr
Mar 27, 5:29 PM EDTSevere Thunderstorm WatchSPC5 hr
Mar 27, 6:57 PM EDTSpecial Weather StatementMHX63 min
Mar 28, 3:24 PM EDTSevere Thunderstorm WatchSPC4 hr
Mar 28, 3:46 PM EDTSpecial Weather StatementMHX14 min
Mar 28, 4:06 PM EDTSevere Thunderstorm WarningMHX39 min
Mar 28, 4:53 PM EDTMesoscale DiscussionSPC67 min
Mar 31, 2:22 PM EDTMesoscale DiscussionSPC113 min
Mar 31, 3:00 PM EDTFreeze WatchMHX13 hr
Apr 1, 3:32 AM EDTFreeze WarningMHX29 hr
Apr 2, 10:00 AM EDTFreeze WarningMHX23 hr
Apr 3, 3:37 AM EDTFrost AdvisoryMHX27 hr
Apr 9, 6:23 PM EDTMesoscale DiscussionSPC97 min
Apr 9, 8:06 PM EDTSpecial Weather StatementMHX39 min
Apr 10, 11:45 PM EDTMesoscale DiscussionSPC2 hr
Apr 22, 2:03 PM EDTFrost AdvisoryMHX18 hr
Apr 29, 3:36 PM EDTFire Weather WatchMHX12 hr
Apr 30, 3:41 AM EDTRed Flag WarningMHX16 hr
May 3, 12:35 PM EDTMesoscale DiscussionSPC115 min
May 4, 6:00 PM EDTSpecial Weather StatementMHX30 min
May 7, 4:01 PM EDTFire Weather WatchMHX15 hr
May 10, 12:51 PM EDTMesoscale DiscussionSPC114 min
May 10, 3:57 PM EDTSevere Thunderstorm WatchSPC6 hr
May 10, 6:07 PM EDTMesoscale DiscussionSPC53 min
May 29, 12:37 PM EDTMesoscale DiscussionSPC113 min
Jun 2, 7:15 PM EDTSpecial Weather StatementMHX30 min
Jun 3, 2:49 AM EDTFlash Flood WatchMHX31 hr
Jun 3, 11:49 AM EDTAreal Flood AdvisoryMHX3 hr
Jun 3, 2:45 PM EDTAreal Flood AdvisoryMHX3 hr
Jun 3, 6:28 PM EDTAreal Flood AdvisoryMHX3 hr
Jun 9, 1:44 PM EDTMesoscale DiscussionSPC2 hr
Jun 11, 9:37 PM EDTSpecial Weather StatementMHX38 min
Jun 15, 12:57 PM EDTMesoscale DiscussionSPC63 min
Jun 20, 3:20 AM EDTFlash Flood WatchMHX27 hr
Jun 20, 2:25 PM EDTTornado WarningMHX35 min
Jun 20, 2:43 PM EDTMesoscale DiscussionSPC92 min
Jun 20, 3:48 PM EDTSpecial Weather StatementMHX42 min
Jun 22, 12:13 PM EDTMesoscale DiscussionSPC2 hr
Jul 6, 4:41 PM EDTTropical Storm WatchMHX31 hr
Jul 7, 11:07 PM EDTTropical Storm WarningMHX27 hr
Jul 8, 8:35 AM EDTTornado WatchSPC6 hr
Jul 8, 12:11 PM EDTMesoscale DiscussionSPC2 hr
Jul 8, 1:50 PM EDTTornado WatchSPC11 hr
Jul 9, 5:06 PM EDTSpecial Weather StatementMHX39 min
Jul 9, 5:40 PM EDTMesoscale DiscussionSPC95 min
Jul 28, 12:36 PM EDTMesoscale DiscussionSPC114 min
Jul 28, 2:19 PM EDTSevere Thunderstorm WatchSPC6 hr
Jul 28, 4:16 PM EDTMesoscale DiscussionSPC119 min
Jul 28, 4:48 PM EDTSpecial Weather StatementMHX42 min
Jul 30, 2:46 PM EDTMesoscale DiscussionSPC119 min
Aug 1, 11:51 AM EDTMesoscale DiscussionSPC114 min
Aug 1, 12:37 PM EDTSevere Thunderstorm WatchSPC7 hr
Aug 1, 2:02 PM EDTSevere Thunderstorm WarningMHX43 min
Aug 1, 2:41 PM EDTSevere Thunderstorm WarningMHX49 min
Aug 1, 2:53 PM EDTMesoscale DiscussionSPC97 min
Aug 2, 3:52 PM EDTFlash Flood WatchMHX53 hr
Aug 7, 8:26 AM EDTAreal Flood AdvisoryMHX2 hr
Aug 7, 1:32 PM EDTMesoscale DiscussionSPC88 min
Aug 7, 2:33 PM EDTSpecial Weather StatementMHX42 min
Aug 7, 2:48 PM EDTAreal Flood AdvisoryMHX117 min
Aug 11, 4:16 PM EDTHeat AdvisoryMHX26 hr
Aug 12, 2:32 PM EDTHeat AdvisoryMHX28 hr
Aug 14, 3:43 AM EDTHeat AdvisoryMHX15 hr
Aug 20, 6:36 PM EDTSpecial Weather StatementMHX39 min
Aug 20, 7:20 PM EDTSpecial Weather StatementMHX40 min
Sep 1, 1:51 PM EDTMesoscale DiscussionSPC114 min
Sep 8, 1:16 PM EDTMesoscale DiscussionSPC89 min
Oct 22, 1:26 PM EDTMesoscale DiscussionSPC3 hr
Oct 25, 11:22 PM EDTSpecial Weather StatementMHX38 min
Oct 25, 11:59 PM EDTSpecial Weather StatementMHX46 min
Nov 13, 3:40 PM ESTFrost AdvisoryMHX16 hr
Nov 15, 3:30 AM ESTFreeze WatchMHX12 hr
Nov 15, 3:31 PM ESTFreeze WarningMHX16 hr
Dec 18, 3:54 AM ESTDense Fog AdvisoryMHX5 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 archive20202022

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.