Alert archive / North Carolina / Wake County

Weather alerts in Wake County, North Carolina, 2020

218 weather alerts in 2020, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Wake County and its neighbors

Each county as a circle sized by its count in 2020. Tap one for its archive.

Alerts
218
Warnings
63
Watches
14
Advisories
59
Busiest month
July46 alerts
Busiest day
February 6, 20208 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 Wake County in 2020 had a tornado report inside them.

Wake County, 2020

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings10100%0
Severe thunderstorm warnings412441%7580%26 min
Flash flood warnings11736%2467%189 min

Each office's whole area, 2020

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Raleigh, NC: tornado warnings32584%978%6 min
NWS Raleigh, NC: severe thunderstorm warnings16410437%38082%26 min
NWS Raleigh, NC: flash flood warnings614034%17585%130 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, 4:43 PM ESTSpecial Weather StatementRAH62 min
Jan 11, 9:35 PM ESTSevere Thunderstorm WatchSPC4 hr
Jan 11, 10:59 PM ESTMesoscale DiscussionSPC91 min
Jan 11, 11:52 PM ESTSevere Thunderstorm WarningRAH68 min
Jan 13, 12:46 PM ESTMesoscale DiscussionSPC119 min
Jan 14, 12:03 AM ESTAreal Flood AdvisoryRAH3 hr
Jan 14, 2:08 AM ESTSpecial Weather StatementRAH67 min
Jan 14, 2:53 AM ESTSpecial Weather StatementRAH52 min
Jan 24, 11:53 PM ESTSpecial Weather StatementRAH52 min
Feb 5, 3:09 PM ESTFlood WatchRAH34 hr
Feb 6, 12:41 PM ESTTornado WatchSPC6 hr
Feb 6, 12:59 PM ESTSevere Thunderstorm WarningRAH46 min
Feb 6, 1:28 PM ESTSevere Thunderstorm WarningRAH62 min
Feb 6, 1:48 PM ESTSevere Thunderstorm WarningRAH57 min
Feb 6, 2:17 PM ESTSevere Thunderstorm WarningRAH43 min
Feb 6, 2:52 PM ESTAreal Flood AdvisoryRAH4 hr
Feb 6, 4:34 PM ESTFlash Flood Warning Considerable damage threatRAH3 hr
Feb 6, 6:55 PM ESTAreal Flood WarningRAH11 hr
Feb 6, 9:16 PM ESTWind AdvisoryRAH19 hr
Feb 19, 2:16 PM ESTWinter Weather AdvisoryRAH44 hr
Feb 20, 4:01 PM ESTMesoscale DiscussionSPC3 hr
Feb 21, 3:39 PM ESTWinter Weather AdvisoryRAH17 hr
Feb 25, 6:09 AM ESTSpecial Weather StatementRAH81 min
Feb 26, 3:31 AM ESTDense Fog AdvisoryRAH5 hr
Feb 26, 9:04 AM ESTDense Fog AdvisoryRAH116 min
Feb 26, 9:33 PM ESTSpecial Weather StatementRAH87 min
Mar 18, 4:25 AM EDTDense Fog AdvisoryRAH6 hr
Apr 7, 4:32 AM EDTDense Fog AdvisoryRAH5 hr
Apr 8, 8:24 AM EDTSpecial Weather StatementRAH51 min
Apr 8, 6:05 PM EDTSevere Thunderstorm WarningRAH40 min
Apr 8, 6:06 PM EDTMesoscale DiscussionSPC84 min
Apr 8, 6:42 PM EDTSevere Thunderstorm WarningRAH48 min
Apr 8, 7:03 PM EDTSevere Thunderstorm WarningRAH42 min
Apr 8, 7:48 PM EDTSpecial Weather StatementRAH27 min
Apr 8, 7:53 PM EDTSevere Thunderstorm WarningRAH67 min
Apr 10, 10:49 AM EDTRed Flag WarningRAH7 hr
Apr 10, 3:13 PM EDTFrost AdvisoryRAH17 hr
Apr 12, 3:33 PM EDTWind AdvisoryRAH24 hr
Apr 13, 4:40 AM EDTMesoscale DiscussionSPC95 min
Apr 13, 5:01 AM EDTTornado WatchSPC7 hr
Apr 13, 6:46 AM EDTMesoscale DiscussionSPC89 min
Apr 13, 7:51 AM EDTSevere Thunderstorm WarningRAH39 min
Apr 15, 3:06 AM EDTFrost AdvisoryRAH29 hr
Apr 16, 3:18 PM EDTFrost AdvisoryRAH17 hr
Apr 18, 9:34 AM EDTSpecial Weather StatementRAH56 min
Apr 26, 1:25 AM EDTMesoscale DiscussionSPC3 hr
Apr 26, 8:02 PM EDTSevere Thunderstorm WarningRAH43 min
Apr 30, 5:30 AM EDTSpecial Weather StatementRAH60 min
Apr 30, 5:50 AM EDTSpecial Weather StatementRAH55 min
Apr 30, 6:04 AM EDTAreal Flood AdvisoryRAH3 hr
Apr 30, 6:47 AM EDTSpecial Weather StatementRAH43 min
May 5, 3:53 PM EDTSevere Thunderstorm WatchSPC7 hr
May 9, 3:57 AM EDTFreeze WarningRAH28 hr
May 19, 3:39 PM EDTFlash Flood WatchRAH60 hr
May 21, 10:03 AM EDTAreal Flood AdvisoryRAH3 hr
May 21, 8:18 PM EDTSpecial Weather StatementRAH72 min
May 21, 9:30 PM EDTAreal Flood AdvisoryRAH111 min
May 22, 12:43 PM EDTMesoscale DiscussionSPC62 min
May 22, 4:14 PM EDTSevere Thunderstorm WatchSPC5 hr
May 22, 6:40 PM EDTMesoscale DiscussionSPC95 min
May 24, 2:53 PM EDTSpecial Weather StatementRAH67 min
May 27, 4:55 PM EDTTornado WarningRAH17 min
May 27, 5:34 PM EDTSpecial Weather StatementRAH41 min
May 28, 6:25 AM EDTSpecial Weather StatementRAH65 min
May 29, 5:34 AM EDTSpecial Weather StatementRAH56 min
May 29, 6:30 AM EDTSpecial Weather StatementRAH60 min
May 29, 12:37 PM EDTMesoscale DiscussionSPC113 min
May 29, 3:25 PM EDTSpecial Weather StatementRAH50 min
Jun 10, 8:03 PM EDTSpecial Weather StatementRAH57 min
Jun 11, 3:59 AM EDTFlash Flood WatchRAH24 hr
Jun 11, 1:38 PM EDTAreal Flood AdvisoryRAH3 hr
Jun 11, 2:40 PM EDTFlash Flood Warning Considerable damage threatRAH2 hr
Jun 11, 6:14 PM EDTAreal Flood AdvisoryRAH3 hr
Jun 11, 7:29 PM EDTSevere Thunderstorm WarningRAH46 min
Jun 15, 11:32 AM EDTAreal Flood AdvisoryRAH6 hr
Jun 16, 8:07 PM EDTAreal Flood AdvisoryRAH104 min
Jun 19, 3:47 PM EDTSpecial Weather StatementRAH43 min
Jun 19, 4:30 PM EDTSevere Thunderstorm WarningRAH45 min
Jun 19, 5:02 PM EDTSevere Thunderstorm WarningRAH43 min
Jun 19, 5:45 PM EDTSpecial Weather StatementRAH60 min
Jun 19, 5:53 PM EDTAreal Flood AdvisoryRAH2 hr
Jun 19, 6:26 PM EDTAreal Flood AdvisoryRAH3 hr
Jun 19, 9:44 PM EDTSpecial Weather StatementRAH61 min
Jun 25, 5:48 PM EDTMesoscale DiscussionSPC87 min
Jun 28, 5:19 PM EDTSpecial Weather StatementRAH41 min
Jun 28, 5:30 PM EDTSevere Thunderstorm WarningRAH31 min
Jun 28, 5:45 PM EDTSevere Thunderstorm WarningRAH45 min
Jun 30, 2:53 PM EDTSevere Thunderstorm WarningRAH52 min
Jun 30, 3:29 PM EDTSevere Thunderstorm WarningRAH31 min
Jun 30, 6:43 PM EDTSpecial Weather StatementRAH47 min
Jul 1, 1:46 PM EDTMesoscale DiscussionSPC119 min
Jul 1, 8:10 PM EDTSpecial Weather StatementRAH50 min
Jul 4, 6:31 PM EDTSevere Thunderstorm WarningRAH44 min
Jul 5, 2:24 PM EDTSpecial Weather StatementRAH66 min
Jul 5, 2:49 PM EDTAreal Flood AdvisoryRAH116 min
Jul 5, 3:09 PM EDTSpecial Weather StatementRAH66 min
Jul 5, 3:57 PM EDTSpecial Weather StatementRAH48 min
Jul 5, 4:09 PM EDTSevere Thunderstorm WarningRAH51 min
Jul 7, 2:51 PM EDTSpecial Weather StatementRAH54 min
Jul 10, 10:40 PM EDTSpecial Weather StatementRAH65 min
Jul 10, 11:43 PM EDTSevere Thunderstorm WarningRAH47 min
Jul 13, 2:02 AM EDTSpecial Weather StatementRAH58 min
Jul 13, 4:17 AM EDTSpecial Weather StatementRAH73 min
Jul 13, 1:21 PM EDTMesoscale DiscussionSPC84 min
Jul 13, 6:07 PM EDTAreal Flood AdvisoryRAH3 hr
Jul 13, 6:44 PM EDTSevere Thunderstorm WarningRAH46 min
Jul 13, 7:19 PM EDTSevere Thunderstorm WarningRAH41 min
Jul 17, 4:33 PM EDTAreal Flood AdvisoryRAH117 min
Jul 18, 3:18 PM EDTHeat AdvisoryRAH30 hr
Jul 18, 3:26 PM EDTSevere Thunderstorm WarningRAH49 min
Jul 18, 3:49 PM EDTSevere Thunderstorm WarningRAH56 min
Jul 18, 4:03 PM EDTFlash Flood Warning Considerable damage threatRAH91 min
Jul 18, 4:52 PM EDTSevere Thunderstorm WarningRAH53 min
Jul 19, 2:59 PM EDTHeat AdvisoryRAH30 hr
Jul 20, 3:23 PM EDTHeat AdvisoryRAH30 hr
Jul 21, 3:00 PM EDTHeat AdvisoryRAH30 hr
Jul 23, 3:09 AM EDTHeat AdvisoryRAH17 hr
Jul 23, 1:11 PM EDTMesoscale DiscussionSPC2 hr
Jul 23, 2:53 PM EDTSevere Thunderstorm WarningRAH52 min
Jul 23, 3:56 PM EDTAreal Flood AdvisoryRAH2 hr
Jul 23, 5:04 PM EDTAreal Flood AdvisoryRAH116 min
Jul 23, 6:34 PM EDTFlash Flood Warning Considerable damage threatRAH77 min
Jul 24, 7:19 PM EDTSpecial Weather StatementRAH56 min
Jul 24, 7:33 PM EDTSevere Thunderstorm WarningRAH22 min
Jul 27, 3:32 AM EDTHeat AdvisoryRAH16 hr
Jul 27, 2:50 PM EDTSpecial Weather StatementRAH55 min
Jul 28, 3:41 AM EDTHeat AdvisoryRAH16 hr
Jul 28, 4:25 PM EDTSevere Thunderstorm WarningRAH65 min
Jul 28, 5:11 PM EDTSpecial Weather StatementRAH64 min
Jul 28, 5:25 PM EDTSevere Thunderstorm WarningRAH65 min
Jul 28, 6:50 PM EDTSpecial Weather StatementRAH55 min
Jul 28, 7:28 PM EDTAreal Flood AdvisoryRAH3 hr
Jul 29, 4:06 PM EDTSpecial Weather StatementRAH69 min
Jul 29, 5:10 PM EDTAreal Flood AdvisoryRAH2 hr
Jul 29, 5:17 PM EDTSevere Thunderstorm WarningRAH43 min
Jul 31, 3:43 AM EDTHeat AdvisoryRAH15 hr
Aug 1, 12:32 AM EDTSevere Thunderstorm WarningRAH43 min
Aug 1, 12:51 AM EDTSevere Thunderstorm WarningRAH54 min
Aug 1, 3:55 AM EDTHeat AdvisoryRAH14 hr
Aug 1, 1:23 PM EDTMesoscale DiscussionSPC2 hr
Aug 1, 4:16 PM EDTSevere Thunderstorm WarningRAH59 min
Aug 1, 4:44 PM EDTSpecial Weather StatementRAH46 min
Aug 1, 4:59 PM EDTSevere Thunderstorm WarningRAH33 min
Aug 2, 4:06 AM EDTFlash Flood WatchRAH52 hr
Aug 2, 5:17 AM EDTTropical Storm WatchRAH30 hr
Aug 2, 5:06 PM EDTTropical Storm WarningRAH39 hr
Aug 3, 5:00 PM EDTSpecial Weather StatementRAH60 min
Aug 3, 11:08 PM EDTSpecial Weather StatementRAH52 min
Aug 4, 12:09 AM EDTFlash Flood Warning Considerable damage threatRAH6 hr
Aug 4, 6:15 AM EDTFlash Flood WarningRAH3 hr
Aug 4, 9:09 AM EDTAreal Flood WarningRAH6 hr
Aug 5, 12:11 PM EDTSpecial Weather StatementRAH64 min
Aug 6, 2:03 PM EDTSevere Thunderstorm WarningRAH57 min
Aug 6, 2:08 PM EDTMesoscale DiscussionSPC3 hr
Aug 6, 3:27 PM EDTSpecial Weather StatementRAH63 min
Aug 6, 3:42 PM EDTSevere Thunderstorm WarningRAH48 min
Aug 6, 4:56 PM EDTAreal Flood AdvisoryRAH3 hr
Aug 7, 4:43 PM EDTSpecial Weather StatementRAH62 min
Aug 9, 4:16 PM EDTSpecial Weather StatementRAH44 min
Aug 9, 4:48 PM EDTAreal Flood AdvisoryRAH57 min
Aug 10, 2:27 PM EDTSpecial Weather StatementRAH63 min
Aug 14, 8:48 PM EDTAreal Flood AdvisoryRAH117 min
Aug 15, 3:56 AM EDTFlash Flood WatchRAH18 hr
Aug 15, 4:14 PM EDTAreal Flood AdvisoryRAH3 hr
Aug 15, 4:32 PM EDTFlash Flood Warning Considerable damage threatRAH3 hr
Aug 15, 5:27 PM EDTSpecial Weather StatementRAH63 min
Aug 15, 6:14 PM EDTAreal Flood AdvisoryRAH3 hr
Aug 15, 6:45 PM EDTSpecial Weather StatementRAH60 min
Aug 17, 6:16 PM EDTSpecial Weather StatementRAH59 min
Aug 17, 7:22 PM EDTSpecial Weather StatementRAH83 min
Aug 19, 8:42 PM EDTSpecial Weather StatementRAH63 min
Aug 31, 3:54 PM EDTMesoscale DiscussionSPC96 min
Aug 31, 4:03 PM EDTSpecial Weather StatementRAH57 min
Aug 31, 5:57 PM EDTAreal Flood AdvisoryRAH3 hr
Aug 31, 6:48 PM EDTFlash Flood Warning Considerable damage threatRAH5 hr
Aug 31, 6:56 PM EDTFlash Flood Warning Considerable damage threatRAH5 hr
Aug 31, 11:14 PM EDTFlash Flood Warning Considerable damage threatRAH4 hr
Sep 1, 3:15 AM EDTAreal Flood WarningRAH8 hr
Sep 2, 3:23 AM EDTHeat AdvisoryRAH16 hr
Sep 3, 3:46 AM EDTHeat AdvisoryRAH15 hr
Sep 11, 6:34 PM EDTSpecial Weather StatementRAH56 min
Sep 11, 7:35 PM EDTAreal Flood AdvisoryRAH2 hr
Sep 16, 4:19 AM EDTFlash Flood WatchRAH47 hr
Sep 25, 7:21 PM EDTSevere Thunderstorm WarningRAH39 min
Sep 25, 7:51 PM EDTSevere Thunderstorm WarningRAH54 min
Sep 27, 3:21 AM EDTDense Fog AdvisoryRAH6 hr
Sep 28, 5:44 AM EDTDense Fog AdvisoryRAH4 hr
Sep 29, 2:36 PM EDTMesoscale DiscussionSPC2 hr
Sep 29, 5:59 PM EDTSpecial Weather StatementRAH61 min
Oct 19, 7:28 AM EDTDense Fog AdvisoryRAH3 hr
Oct 21, 4:36 AM EDTDense Fog AdvisoryRAH5 hr
Oct 26, 9:13 PM EDTDense Fog AdvisoryRAH13 hr
Oct 28, 2:26 PM EDTWind AdvisoryRAH26 hr
Oct 29, 10:21 AM EDTHigh Wind WarningRAH6 hr
Oct 29, 10:45 PM EDTMesoscale DiscussionSPC3 hr
Oct 30, 1:09 AM EDTSpecial Weather StatementRAH66 min
Nov 2, 1:59 PM ESTFrost AdvisoryRAH18 hr
Nov 2, 1:59 PM ESTFreeze WarningRAH18 hr
Nov 6, 2:22 AM ESTDense Fog AdvisoryRAH7 hr
Nov 11, 3:08 AM ESTFlash Flood WatchRAH36 hr
Nov 12, 6:43 AM ESTAreal Flood AdvisoryRAH3 hr
Nov 12, 7:31 AM ESTSpecial Weather StatementRAH74 min
Nov 12, 8:24 AM ESTFlash Flood Warning Considerable damage threatRAH8 hr
Nov 12, 9:28 AM ESTSpecial Weather StatementRAH62 min
Nov 12, 4:08 PM ESTAreal Flood WarningRAH5 hr
Nov 12, 8:52 PM ESTAreal Flood WarningRAH19 hr
Nov 26, 8:46 PM ESTDense Fog AdvisoryRAH12 hr
Nov 30, 3:37 AM ESTWind AdvisoryRAH13 hr
Nov 30, 11:36 AM ESTSpecial Weather StatementRAH39 min
Dec 4, 11:45 PM ESTSpecial Weather StatementRAH60 min
Dec 24, 12:12 PM ESTSpecial Weather StatementRAH63 min
Dec 24, 1:17 PM ESTSpecial Weather StatementRAH58 min
Dec 24, 2:19 PM ESTTornado WatchSPC9 hr
Dec 24, 3:45 PM ESTSevere Thunderstorm WarningRAH30 min
Dec 24, 7:13 PM ESTMesoscale DiscussionSPC2 hr
Dec 24, 8:47 PM ESTAreal Flood AdvisoryRAH3 hr
Dec 24, 8:58 PM ESTSevere Thunderstorm WarningRAH62 min
Dec 25, 12:05 AM ESTSpecial Weather StatementRAH85 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 archive20192021

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.