Alert archive / Oklahoma / Seminole County

Weather alerts in Seminole County, Oklahoma, 2024

254 weather alerts in 2024, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Seminole County and its neighbors

Each county as a circle sized by its count in 2024. Tap one for its archive.

Alerts
254
Warnings
76
Watches
32
Advisories
71
Busiest month
November47 alerts
Busiest day
March 14, 202424 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 7 tornado warnings covering Seminole County in 2024 had a tornado report inside them.

Seminole County, 2024

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings7186%0
Severe thunderstorm warnings401855%683%23 min
Flash flood warnings7186%1100%38 min

Each office's whole area, 2024

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Norman, OK: tornado warnings1963582%5575%16 min
NWS Norman, OK: severe thunderstorm warnings98832967%77281%23 min
NWS Norman, OK: flash flood warnings1012179%5682%82 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, Central Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeLasted
Jan 7, 3:36 PM CSTWind AdvisoryOUN45 hr
Jan 11, 2:46 AM CSTWind AdvisoryOUN30 hr
Jan 11, 4:15 PM CSTWind Chill WatchOUN22 hr
Jan 11, 9:37 PM CSTSpecial Weather StatementOUN38 min
Jan 12, 1:53 PM CSTWind Chill WarningOUN70 hr
Jan 12, 1:53 PM CSTWind Chill AdvisoryOUN4 days
Jan 13, 2:23 PM CSTWinter Weather AdvisoryOUN26 hr
Jan 18, 5:12 PM CSTWind AdvisoryOUN13 hr
Jan 20, 2:37 PM CSTWinter Storm WatchOUN25 hr
Jan 21, 3:35 PM CSTWinter Storm WarningOUN20 hr
Jan 21, 7:06 PM CSTMesoscale DiscussionSPC4 hr
Jan 22, 12:51 AM CSTMesoscale DiscussionSPC6 hr
Jan 22, 4:19 PM CSTDense Fog AdvisoryOUN20 hr
Jan 23, 2:01 PM CSTDense Fog AdvisoryOUN22 hr
Jan 24, 3:19 PM CSTDense Fog AdvisoryOUN20 hr
Feb 10, 2:08 PM CSTWinter Weather AdvisoryOUN39 hr
Feb 26, 2:26 PM CSTWind AdvisoryOUN34 hr
Feb 26, 2:43 PM CSTRed Flag WarningOUN29 hr
Mar 14, 10:46 AM CDTMesoscale DiscussionSPC119 min
Mar 14, 11:09 AM CDTTornado WatchSPC7 hr
Mar 14, 11:43 AM CDTAreal Flood AdvisoryOUN107 min
Mar 14, 11:43 AM CDTSpecial Weather StatementOUN32 min
Mar 14, 11:49 AM CDTSevere Thunderstorm WarningOUN41 min
Mar 14, 11:54 AM CDTFlash Flood WarningOUN111 min
Mar 14, 12:18 PM CDTTornado WarningOUN27 min
Mar 14, 12:26 PM CDTSevere Thunderstorm WarningOUN34 min
Mar 14, 12:28 PM CDTSevere Thunderstorm WarningOUN62 min
Mar 14, 12:45 PM CDTSevere Thunderstorm Warning Considerable damage threatOUN60 min
Mar 14, 1:01 PM CDTSevere Thunderstorm Warning Considerable damage threatOUN46 min
Mar 14, 1:11 PM CDTAreal Flood AdvisoryOUN2 hr
Mar 14, 1:35 PM CDTSevere Thunderstorm WarningOUN40 min
Mar 14, 1:38 PM CDTFlash Flood WarningOUN2 hr
Mar 14, 3:45 PM CDTSpecial Weather StatementOUN30 min
Mar 14, 3:55 PM CDTSevere Thunderstorm WarningOUN50 min
Mar 14, 4:31 PM CDTSevere Thunderstorm WarningOUN44 min
Mar 14, 4:44 PM CDTSpecial Weather StatementOUN31 min
Mar 14, 4:54 PM CDTAreal Flood AdvisoryOUN66 min
Mar 14, 5:08 PM CDTSevere Thunderstorm WatchSPC7 hr
Mar 14, 5:20 PM CDTSpecial Weather StatementOUN25 min
Mar 14, 5:27 PM CDTSevere Thunderstorm WarningOUN48 min
Mar 14, 5:33 PM CDTSevere Thunderstorm WarningOUN57 min
Mar 14, 5:57 PM CDTSevere Thunderstorm Warning Destructive damage threatOUN48 min
Mar 23, 3:04 PM CDTWind AdvisoryOUN34 hr
Apr 1, 1:55 PM CDTMesoscale DiscussionSPC2 hr
Apr 1, 2:13 PM CDTTornado WatchSPC10 hr
Apr 1, 5:53 PM CDTMesoscale DiscussionSPC97 min
Apr 1, 8:20 PM CDTMesoscale DiscussionSPC85 min
Apr 1, 10:18 PM CDTSevere Thunderstorm WarningOUN42 min
Apr 1, 10:42 PM CDTSpecial Weather StatementOUN18 min
Apr 1, 10:56 PM CDTSpecial Weather StatementOUN34 min
Apr 5, 2:32 PM CDTWind AdvisoryOUN31 hr
Apr 6, 2:32 PM CDTMesoscale DiscussionSPC118 min
Apr 26, 3:27 AM CDTSevere Thunderstorm WatchSPC6 hr
Apr 26, 5:12 AM CDTMesoscale DiscussionSPC93 min
Apr 26, 5:19 AM CDTSevere Thunderstorm Warning Considerable damage threatOUN41 min
Apr 26, 5:29 AM CDTSevere Thunderstorm WarningOUN46 min
Apr 26, 10:55 AM CDTFlood WatchOUN50 hr
Apr 26, 12:53 PM CDTMesoscale DiscussionSPC2 hr
Apr 26, 2:12 PM CDTTornado WatchSPC6 hr
Apr 26, 4:15 PM CDTSpecial Weather StatementOUN30 min
Apr 27, 9:30 AM CDTRiver Flood WatchOUN6 hr
Apr 27, 9:31 AM CDTRiver Flood WarningOUN30 hr
Apr 27, 3:39 PM CDTRiver Flood AdvisoryOUN23 hr
Apr 27, 7:30 PM CDTMesoscale DiscussionSPC60 min
Apr 27, 7:50 PM CDTTornado WatchSPC7 hr
Apr 27, 9:50 PM CDTSevere Thunderstorm Warning Considerable damage threatOUN40 min
Apr 27, 10:14 PM CDTAreal Flood AdvisoryOUN5 hr
Apr 27, 10:17 PM CDTTornado WarningOUN43 min
Apr 27, 10:23 PM CDTSevere Thunderstorm Warning Considerable damage threatOUN52 min
Apr 27, 11:33 PM CDTMesoscale DiscussionSPC72 min
Apr 27, 11:51 PM CDTAreal Flood AdvisoryOUN4 hr
Apr 28, 12:51 AM CDTAreal Flood WarningOUN6 hr
Apr 30, 11:56 PM CDTSevere Thunderstorm WatchSPC5 hr
May 1, 1:02 AM CDTMesoscale DiscussionSPC88 min
May 2, 6:08 PM CDTMesoscale DiscussionSPC2 hr
May 2, 11:25 PM CDTAreal Flood AdvisoryOUN3 hr
May 2, 11:34 PM CDTMesoscale DiscussionSPC116 min
May 3, 2:16 AM CDTSpecial Weather StatementOUN29 min
May 3, 3:02 AM CDTAreal Flood AdvisoryOUN3 hr
May 3, 1:19 PM CDTFlood WatchOUN48 hr
May 4, 10:49 AM CDTMesoscale DiscussionSPC116 min
May 4, 1:50 PM CDTSpecial Weather StatementOUN25 min
May 6, 4:54 AM CDTDense Fog AdvisoryOUN3 hr
May 6, 1:30 PM CDTFlood WatchOUN13 hr
May 6, 2:05 PM CDTTornado Watch PDSSPC12 hr
May 6, 10:13 PM CDTTornado WatchSPC9 hr
May 6, 10:59 PM CDTMesoscale DiscussionSPC91 min
May 6, 11:54 PM CDTSevere Thunderstorm Warning Considerable damage threatOUN51 min
May 7, 12:34 AM CDTSevere Thunderstorm Warning Considerable damage threatOUN41 min
May 7, 12:50 AM CDTFlash Flood WarningOUN5 hr
May 7, 1:02 AM CDTSevere Thunderstorm WarningOUN33 min
May 13, 9:30 AM CDTSpecial Weather StatementOUN30 min
May 22, 5:37 AM CDTMesoscale DiscussionSPC113 min
May 22, 9:27 AM CDTSevere Thunderstorm WarningOUN48 min
May 22, 10:07 AM CDTSpecial Weather StatementOUN53 min
May 23, 2:07 AM CDTMesoscale DiscussionSPC113 min
May 23, 3:01 AM CDTSpecial Weather StatementOUN29 min
May 23, 10:37 PM CDTSevere Thunderstorm WatchSPC6 hr
May 25, 3:26 PM CDTTornado Watch PDSSPC11 hr
May 25, 5:40 PM CDTMesoscale DiscussionSPC95 min
May 28, 4:10 AM CDTSpecial Weather StatementOUN35 min
May 30, 10:44 AM CDTSpecial Weather StatementOUN31 min
May 30, 11:02 AM CDTSpecial Weather StatementOUN43 min
May 30, 11:07 AM CDTAreal Flood AdvisoryOUN113 min
Jun 2, 2:14 PM CDTSpecial Weather StatementOUN46 min
Jun 3, 5:00 AM CDTSevere Thunderstorm WatchSPC7 hr
Jun 3, 5:28 AM CDTSpecial Weather StatementOUN32 min
Jun 3, 6:07 AM CDTSpecial Weather StatementOUN38 min
Jun 3, 2:48 PM CDTRiver Flood AdvisoryOUN5 hr
Jun 3, 3:04 PM CDTFlood WatchOUN16 hr
Jun 3, 8:56 PM CDTMesoscale DiscussionSPC3 hr
Jun 3, 10:11 PM CDTSevere Thunderstorm WatchSPC7 hr
Jun 4, 12:52 AM CDTSpecial Weather StatementOUN53 min
Jun 4, 1:30 AM CDTSpecial Weather StatementOUN60 min
Jun 4, 1:37 AM CDTAreal Flood AdvisoryOUN3 hr
Jun 4, 2:07 AM CDTSevere Thunderstorm WarningOUN38 min
Jun 4, 2:10 AM CDTAreal Flood AdvisoryOUN3 hr
Jun 4, 2:22 AM CDTFlash Flood WarningOUN3 hr
Jun 4, 2:37 AM CDTSevere Thunderstorm WarningOUN38 min
Jun 4, 2:45 AM CDTSpecial Weather StatementOUN45 min
Jun 4, 2:57 AM CDTAreal Flood AdvisoryOUN3 hr
Jun 4, 5:22 AM CDTAreal Flood WarningOUN3 hr
Jun 4, 6:13 AM CDTSpecial Weather StatementOUN32 min
Jun 4, 7:26 AM CDTRiver Flood WarningOUN7 hr
Jun 4, 1:34 PM CDTFlood WatchOUN15 hr
Jun 4, 4:13 PM CDTMesoscale DiscussionSPC2 hr
Jun 4, 4:55 PM CDTSevere Thunderstorm WatchSPC10 hr
Jun 4, 6:46 PM CDTMesoscale DiscussionSPC59 min
Jun 4, 9:48 PM CDTFlash Flood Warning Considerable damage threatOUN4 hr
Jun 4, 9:57 PM CDTSevere Thunderstorm WarningOUN48 min
Jun 4, 10:34 PM CDTAreal Flood AdvisoryOUN4 hr
Jun 4, 11:28 PM CDTMesoscale DiscussionSPC2 hr
Jun 5, 1:00 AM CDTSpecial Weather StatementOUN45 min
Jun 5, 1:51 AM CDTRiver Flood WarningOUN12 hr
Jun 22, 2:24 PM CDTHeat AdvisoryOUN31 hr
Jun 23, 2:29 AM CDTHeat AdvisoryOUN43 hr
Jun 24, 2:14 AM CDTHeat AdvisoryOUN43 hr
Jun 25, 1:59 AM CDTHeat AdvisoryOUN43 hr
Jun 25, 12:41 PM CDTExcessive Heat WarningOUN32 hr
Jun 26, 7:50 AM CDTMesoscale DiscussionSPC85 min
Jun 26, 8:10 AM CDTSpecial Weather StatementOUN35 min
Jun 27, 12:43 PM CDTHeat AdvisoryOUN32 hr
Jun 28, 2:33 AM CDTExcessive Heat WarningOUN18 hr
Jun 28, 1:50 PM CDTExcessive Heat WarningOUN31 hr
Jun 30, 2:27 AM CDTHeat AdvisoryOUN17 hr
Jun 30, 2:17 PM CDTHeat AdvisoryOUN31 hr
Jul 1, 2:22 PM CDTHeat AdvisoryOUN31 hr
Jul 2, 1:41 PM CDTHeat AdvisoryOUN31 hr
Jul 3, 2:34 AM CDTHeat AdvisoryOUN42 hr
Jul 4, 10:36 AM CDTExcessive Heat WarningOUN10 hr
Jul 4, 2:10 PM CDTMesoscale DiscussionSPC3 hr
Jul 4, 5:34 PM CDTSevere Thunderstorm WarningOUN41 min
Jul 6, 2:31 AM CDTFlood WatchOUN49 hr
Jul 7, 9:56 AM CDTSpecial Weather StatementOUN34 min
Jul 7, 11:02 AM CDTSevere Thunderstorm WarningOUN43 min
Jul 14, 1:02 PM CDTHeat AdvisoryOUN31 hr
Jul 15, 1:46 PM CDTHeat AdvisoryOUN30 hr
Jul 28, 2:37 PM CDTHeat AdvisoryOUN30 hr
Jul 29, 2:40 PM CDTHeat AdvisoryOUN30 hr
Jul 30, 1:52 PM CDTHeat AdvisoryOUN31 hr
Jul 31, 1:53 PM CDTHeat AdvisoryOUN31 hr
Aug 6, 2:25 PM CDTHeat AdvisoryOUN31 hr
Aug 7, 1:49 PM CDTHeat AdvisoryOUN31 hr
Aug 11, 6:48 AM CDTFlash Flood WarningOUN3 hr
Aug 11, 8:08 AM CDTRiver Flood WarningOUN18 hr
Aug 11, 9:53 AM CDTAreal Flood WarningOUN2 hr
Aug 11, 1:35 PM CDTHeat AdvisoryOUN30 hr
Aug 12, 1:47 PM CDTHeat AdvisoryOUN30 hr
Aug 13, 2:39 AM CDTExcessive Heat WarningOUN17 hr
Aug 13, 2:54 PM CDTHeat AdvisoryOUN29 hr
Aug 14, 2:34 PM CDTHeat AdvisoryOUN29 hr
Aug 15, 1:53 PM CDTHeat AdvisoryOUN30 hr
Aug 15, 6:02 PM CDTSevere Thunderstorm WatchSPC6 hr
Aug 15, 7:46 PM CDTMesoscale DiscussionSPC59 min
Aug 16, 2:34 AM CDTExcessive Heat WarningOUN17 hr
Aug 16, 2:41 PM CDTExcessive Heat WarningOUN30 hr
Aug 17, 3:11 PM CDTExcessive Heat WarningOUN30 hr
Aug 18, 2:22 PM CDTHeat AdvisoryOUN31 hr
Aug 22, 2:52 PM CDTHeat AdvisoryOUN29 hr
Aug 23, 3:11 PM CDTHeat AdvisoryOUN30 hr
Aug 24, 2:39 PM CDTHeat AdvisoryOUN28 hr
Aug 30, 3:06 PM CDTSpecial Weather StatementOUN24 min
Sep 20, 2:03 AM CDTHeat AdvisoryOUN16 hr
Sep 24, 2:06 AM CDTDense Fog AdvisoryOUN9 hr
Sep 24, 3:55 PM CDTMesoscale DiscussionSPC2 hr
Sep 24, 5:45 PM CDTSevere Thunderstorm WatchSPC5 hr
Sep 24, 7:29 PM CDTSevere Thunderstorm WarningOUN46 min
Sep 24, 8:10 PM CDTMesoscale DiscussionSPC65 min
Sep 24, 8:12 PM CDTSevere Thunderstorm WarningOUN13 min
Sep 24, 8:27 PM CDTSpecial Weather StatementOUN33 min
Sep 24, 9:22 PM CDTSpecial Weather StatementOUN23 min
Sep 24, 9:59 PM CDTSpecial Weather StatementOUN31 min
Sep 24, 10:09 PM CDTSevere Thunderstorm WarningOUN21 min
Sep 25, 1:58 AM CDTDense Fog AdvisoryOUN8 hr
Oct 10, 9:57 PM CDTSpecial Weather StatementOUN33 min
Oct 10, 10:37 PM CDTSpecial Weather StatementOUN38 min
Oct 10, 11:12 PM CDTSevere Thunderstorm WarningOUN33 min
Oct 10, 11:58 PM CDTSpecial Weather StatementOUN32 min
Oct 15, 1:47 PM CDTFrost AdvisoryOUN19 hr
Oct 30, 5:56 PM CDTTornado WatchSPC9 hr
Oct 30, 9:15 PM CDTMesoscale DiscussionSPC90 min
Oct 30, 10:43 PM CDTMesoscale DiscussionSPC62 min
Oct 30, 11:43 PM CDTSpecial Weather StatementOUN32 min
Nov 1, 1:54 PM CDTFlood WatchOUN3 days
Nov 2, 10:20 PM CDTAreal Flood AdvisoryOUN3 hr
Nov 2, 11:23 PM CDTSevere Thunderstorm WarningOUN52 min
Nov 2, 11:50 PM CDTSevere Thunderstorm WatchSPC5 hr
Nov 3, 12:09 AM CDTSevere Thunderstorm WarningOUN51 min
Nov 3, 1:37 AM CDTMesoscale DiscussionSPC113 min
Nov 3, 1:40 AM CSTTornado WatchSPC5 hr
Nov 3, 1:54 AM CSTMesoscale DiscussionSPC96 min
Nov 3, 2:41 AM CSTSevere Thunderstorm WarningOUN49 min
Nov 3, 2:42 AM CSTSevere Thunderstorm Warning Considerable damage threatOUN48 min
Nov 3, 3:01 AM CSTTornado WarningOUN29 min
Nov 3, 3:25 AM CSTSevere Thunderstorm WarningOUN50 min
Nov 3, 3:26 AM CSTSevere Thunderstorm Warning Considerable damage threatOUN49 min
Nov 3, 3:26 AM CSTTornado WarningOUN15 min
Nov 3, 3:30 AM CSTMesoscale DiscussionSPC90 min
Nov 3, 3:41 AM CSTRiver Flood WarningOUN26 hr
Nov 3, 9:16 AM CSTSpecial Weather StatementOUN29 min
Nov 3, 1:49 PM CSTMesoscale DiscussionSPC56 min
Nov 3, 2:02 PM CSTTornado WatchSPC8 hr
Nov 3, 4:22 PM CSTSevere Thunderstorm WarningOUN38 min
Nov 4, 1:05 AM CSTAreal Flood AdvisoryOUN3 hr
Nov 4, 2:00 AM CSTFlash Flood WarningOUN3 hr
Nov 4, 2:02 AM CSTRiver Flood WarningOUN24 hr
Nov 4, 5:01 AM CSTMesoscale DiscussionSPC119 min
Nov 4, 8:37 AM CSTMesoscale DiscussionSPC2 hr
Nov 4, 10:28 AM CSTSevere Thunderstorm WarningOUN47 min
Nov 4, 10:52 AM CSTTornado WatchSPC9 hr
Nov 4, 10:55 AM CSTTornado WarningOUN29 min
Nov 4, 11:17 AM CSTSevere Thunderstorm WarningOUN43 min
Nov 4, 12:06 PM CSTTornado WarningOUN39 min
Nov 4, 12:12 PM CSTMesoscale DiscussionSPC63 min
Nov 4, 12:38 PM CSTTornado WarningOUN31 min
Nov 4, 12:47 PM CSTSevere Thunderstorm WarningOUN43 min
Nov 4, 1:51 PM CSTAreal Flood AdvisoryOUN3 hr
Nov 8, 1:41 AM CSTRiver Flood AdvisoryOUN34 hr
Nov 16, 1:24 PM CSTFlood WatchOUN46 hr
Nov 17, 1:55 PM CSTRiver Flood AdvisoryOUN21 hr
Nov 17, 1:57 PM CSTWind AdvisoryOUN28 hr
Nov 18, 6:25 AM CSTMesoscale DiscussionSPC2 hr
Nov 18, 7:10 AM CSTSevere Thunderstorm WarningOUN65 min
Nov 18, 7:26 AM CSTAreal Flood AdvisoryOUN3 hr
Nov 18, 8:18 AM CSTSpecial Weather StatementOUN42 min
Nov 18, 8:48 AM CSTAreal Flood AdvisoryOUN117 min
Nov 18, 8:58 AM CSTSpecial Weather StatementOUN47 min
Nov 18, 9:16 AM CSTAreal Flood AdvisoryOUN119 min
Nov 18, 10:19 AM CSTRiver Flood WarningOUN9 hr
Nov 25, 1:22 PM CSTFreeze WarningOUN20 hr
Dec 8, 1:20 PM CSTDense Fog AdvisoryOUN22 hr
Dec 25, 7:07 PM CSTDense Fog AdvisoryOUN15 hr
Dec 26, 1:26 PM CSTDense Fog AdvisoryOUN22 hr
Dec 29, 1:04 AM CSTDense Fog AdvisoryOUN8 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 archive20232025

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.