Alert archive / Oklahoma / Jefferson County

Weather alerts in Jefferson County, Oklahoma, 2023

245 weather alerts in 2023, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Jefferson County and its neighbors

Each county as a circle sized by its count in 2023. Tap one for its archive.

Alerts
245
Warnings
78
Watches
31
Advisories
60
Busiest month
June53 alerts
Busiest day
June 18, 202310 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 5 tornado warnings covering Jefferson County in 2023 had a tornado report inside them; 2 of 2 tornado reports fell inside a warning, on average 32 minutes after it went out.

Jefferson County, 2023

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings5180%2100%32 min
Severe thunderstorm warnings461763%944%20 min
Flash flood warnings00

Each office's whole area, 2023

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Norman, OK: tornado warnings1023170%3786%14 min
NWS Norman, OK: severe thunderstorm warnings89431864%88484%24 min
NWS Norman, OK: flash flood warnings571770%3874%76 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 11, 2:13 PM CSTWind AdvisoryOUN16 hr
Jan 23, 3:36 AM CSTWinter Weather AdvisoryOUN50 hr
Jan 24, 11:08 AM CSTMesoscale DiscussionSPC6 hr
Jan 29, 12:44 PM CSTWinter Storm WatchOUN20 hr
Jan 29, 12:44 PM CSTWinter Weather AdvisoryOUN4 days
Jan 30, 8:58 AM CSTWinter Storm WarningOUN3 days
Feb 5, 5:55 AM CSTDense Fog AdvisoryOUN4 hr
Feb 9, 4:07 AM CSTFreezing Fog AdvisoryOUN6 hr
Feb 13, 2:35 AM CSTWind AdvisoryOUN39 hr
Feb 15, 3:20 PM CSTMesoscale DiscussionSPC55 min
Feb 15, 3:45 PM CSTSevere Thunderstorm WatchSPC7 hr
Feb 15, 5:02 PM CSTSpecial Weather StatementOUN43 min
Feb 15, 5:09 PM CSTSevere Thunderstorm WarningOUN36 min
Feb 15, 5:31 PM CSTSpecial Weather StatementOUN44 min
Feb 15, 5:36 PM CSTSpecial Weather StatementOUN24 min
Feb 15, 6:53 PM CSTMesoscale DiscussionSPC2 hr
Feb 15, 7:12 PM CSTSpecial Weather StatementOUN33 min
Feb 15, 7:36 PM CSTSevere Thunderstorm WarningOUN39 min
Feb 15, 8:11 PM CSTSevere Thunderstorm Warning Considerable damage threatOUN38 min
Feb 25, 4:22 PM CSTWind AdvisoryOUN38 hr
Feb 26, 7:02 PM CSTMesoscale DiscussionSPC118 min
Feb 26, 7:32 PM CSTTornado WatchSPC5 hr
Feb 26, 8:45 PM CSTSevere Thunderstorm Warning Considerable damage threatOUN45 min
Feb 26, 9:03 PM CSTSevere Thunderstorm WarningOUN42 min
Feb 26, 9:31 PM CSTSevere Thunderstorm Warning Considerable damage threatOUN44 min
Mar 2, 12:48 PM CSTSevere Thunderstorm WatchSPC6 hr
Mar 7, 9:29 PM CSTMesoscale DiscussionSPC91 min
Mar 8, 12:55 AM CSTSpecial Weather StatementOUN35 min
Mar 8, 5:16 PM CSTMesoscale DiscussionSPC89 min
Mar 16, 2:48 AM CDTWind AdvisoryOUN22 hr
Mar 16, 12:52 PM CDTMesoscale DiscussionSPC53 min
Mar 16, 1:33 PM CDTTornado WatchSPC6 hr
Mar 16, 2:53 PM CDTSevere Thunderstorm WarningOUN52 min
Mar 16, 3:03 PM CDTMesoscale DiscussionSPC117 min
Mar 16, 3:41 PM CDTSevere Thunderstorm WarningOUN18 min
Mar 18, 2:49 AM CDTFreeze WarningOUN31 hr
Mar 23, 2:33 PM CDTMesoscale DiscussionSPC87 min
Mar 23, 3:10 PM CDTSevere Thunderstorm WatchSPC8 hr
Mar 23, 8:37 PM CDTSevere Thunderstorm WarningOUN31 min
Mar 23, 9:32 PM CDTMesoscale DiscussionSPC118 min
Mar 23, 11:06 PM CDTSevere Thunderstorm WatchSPC8 hr
Mar 24, 4:27 AM CDTSpecial Weather StatementOUN33 min
Mar 25, 1:26 AM CDTDense Fog AdvisoryOUN10 hr
Mar 30, 3:02 PM CDTMesoscale DiscussionSPC118 min
Apr 1, 2:58 PM CDTFire Weather WatchOUN48 hr
Apr 2, 1:22 PM CDTMesoscale DiscussionSPC113 min
Apr 2, 2:40 PM CDTWind AdvisoryOUN55 hr
Apr 2, 2:44 PM CDTTornado WatchSPC7 hr
Apr 2, 3:24 PM CDTSpecial Weather StatementOUN36 min
Apr 2, 4:01 PM CDTSpecial Weather StatementOUN29 min
Apr 2, 4:32 PM CDTSpecial Weather StatementOUN43 min
Apr 3, 2:58 PM CDTRed Flag WarningOUN32 hr
Apr 4, 3:06 PM CDTMesoscale DiscussionSPC114 min
Apr 10, 4:52 PM CDTSevere Thunderstorm WatchSPC5 hr
Apr 19, 3:57 PM CDTMesoscale DiscussionSPC2 hr
Apr 19, 4:48 PM CDTTornado WatchSPC6 hr
Apr 19, 7:45 PM CDTSevere Thunderstorm WarningOUN45 min
Apr 19, 7:46 PM CDTSevere Thunderstorm WarningOUN44 min
Apr 19, 8:02 PM CDTMesoscale DiscussionSPC88 min
Apr 25, 11:18 PM CDTMesoscale DiscussionSPC117 min
Apr 26, 8:58 AM CDTSpecial Weather StatementOUN32 min
Apr 26, 9:05 AM CDTSpecial Weather StatementOUN25 min
Apr 26, 9:35 AM CDTSpecial Weather StatementOUN25 min
May 4, 1:43 PM CDTMesoscale DiscussionSPC2 hr
May 4, 2:54 PM CDTTornado WatchSPC6 hr
May 4, 5:05 PM CDTMesoscale DiscussionSPC85 min
May 4, 7:48 PM CDTSpecial Weather StatementOUN27 min
May 5, 3:48 AM CDTDense Fog AdvisoryOUN5 hr
May 6, 3:08 PM CDTMesoscale DiscussionSPC2 hr
May 6, 3:41 PM CDTSevere Thunderstorm WatchSPC7 hr
May 6, 6:37 PM CDTMesoscale DiscussionSPC113 min
May 6, 7:47 PM CDTSpecial Weather StatementOUN28 min
May 6, 8:09 PM CDTSevere Thunderstorm WarningOUN20 min
May 6, 8:31 PM CDTMesoscale DiscussionSPC119 min
May 6, 8:46 PM CDTSpecial Weather StatementOUN29 min
May 6, 8:54 PM CDTSevere Thunderstorm WarningOUN37 min
May 6, 10:52 PM CDTWind AdvisoryOUN3 hr
May 11, 10:02 AM CDTSpecial Weather StatementOUN28 min
May 11, 10:32 AM CDTSpecial Weather StatementOUN28 min
May 11, 2:22 PM CDTMesoscale DiscussionSPC113 min
May 11, 3:44 PM CDTTornado WatchSPC10 hr
May 11, 5:02 PM CDTSevere Thunderstorm WarningOUN43 min
May 11, 5:42 PM CDTMesoscale DiscussionSPC93 min
May 11, 5:43 PM CDTSevere Thunderstorm WarningOUN28 min
May 12, 9:59 AM CDTFlood WatchOUN3 days
May 12, 1:20 PM CDTMesoscale DiscussionSPC3 hr
May 12, 3:39 PM CDTSevere Thunderstorm WatchSPC10 hr
May 28, 4:11 PM CDTSpecial Weather StatementOUN49 min
Jun 2, 10:22 PM CDTSpecial Weather StatementOUN23 min
Jun 2, 10:27 PM CDTSevere Thunderstorm WarningOUN16 min
Jun 12, 4:23 AM CDTSevere Thunderstorm WarningOUN52 min
Jun 12, 4:39 AM CDTSevere Thunderstorm WatchSPC6 hr
Jun 12, 4:54 AM CDTSevere Thunderstorm Warning Considerable damage threatOUN51 min
Jun 12, 8:38 AM CDTMesoscale DiscussionSPC97 min
Jun 12, 3:34 PM CDTSevere Thunderstorm WarningOUN41 min
Jun 12, 4:06 PM CDTSevere Thunderstorm Warning Considerable damage threatOUN39 min
Jun 12, 4:42 PM CDTSevere Thunderstorm WarningOUN48 min
Jun 12, 4:47 PM CDTMesoscale DiscussionSPC88 min
Jun 13, 2:52 AM CDTMesoscale DiscussionSPC83 min
Jun 13, 3:30 AM CDTSevere Thunderstorm WatchSPC7 hr
Jun 13, 5:39 AM CDTMesoscale DiscussionSPC96 min
Jun 13, 6:42 AM CDTSpecial Weather StatementOUN33 min
Jun 13, 7:30 PM CDTMesoscale DiscussionSPC90 min
Jun 13, 11:31 PM CDTSevere Thunderstorm WarningOUN24 min
Jun 14, 6:09 AM CDTDense Fog AdvisoryOUN3 hr
Jun 15, 2:15 PM CDTMesoscale DiscussionSPC90 min
Jun 15, 2:34 PM CDTTornado WatchSPC6 hr
Jun 15, 4:52 PM CDTMesoscale DiscussionSPC83 min
Jun 15, 5:32 PM CDTTornado WarningOUN43 min
Jun 15, 5:55 PM CDTTornado WarningOUN50 min
Jun 15, 6:00 PM CDTTornado WarningOUN45 min
Jun 15, 6:41 PM CDTTornado WarningOUN49 min
Jun 15, 8:34 PM CDTSevere Thunderstorm WarningOUN41 min
Jun 15, 8:44 PM CDTSevere Thunderstorm WatchSPC6 hr
Jun 15, 9:00 PM CDTSevere Thunderstorm WarningOUN45 min
Jun 15, 9:32 PM CDTSevere Thunderstorm WarningOUN43 min
Jun 15, 10:09 PM CDTSevere Thunderstorm Warning Considerable damage threatOUN51 min
Jun 15, 10:22 PM CDTTornado WarningOUN38 min
Jun 15, 11:28 PM CDTSevere Thunderstorm WarningOUN47 min
Jun 15, 11:59 PM CDTSevere Thunderstorm WarningOUN46 min
Jun 17, 7:58 PM CDTMesoscale DiscussionSPC2 hr
Jun 17, 8:21 PM CDTSevere Thunderstorm WatchSPC6 hr
Jun 17, 8:44 PM CDTSevere Thunderstorm WarningOUN46 min
Jun 17, 9:10 PM CDTSevere Thunderstorm WarningOUN50 min
Jun 17, 9:12 PM CDTAreal Flood AdvisoryOUN2 hr
Jun 17, 9:42 PM CDTSevere Thunderstorm Warning Considerable damage threatOUN48 min
Jun 18, 2:31 AM CDTSpecial Weather StatementOUN29 min
Jun 18, 2:45 AM CDTSevere Thunderstorm WarningOUN18 min
Jun 18, 2:44 PM CDTHeat AdvisoryOUN30 hr
Jun 18, 2:44 PM CDTHeat AdvisoryOUN54 hr
Jun 20, 2:46 AM CDTExcessive Heat WarningOUN18 hr
Jun 20, 2:18 PM CDTHeat AdvisoryOUN29 hr
Jun 22, 4:29 PM CDTSevere Thunderstorm WatchSPC5 hr
Jun 23, 3:52 AM CDTExcessive Heat WatchOUN10 hr
Jun 23, 11:18 AM CDTSevere Thunderstorm WatchSPC5 hr
Jun 23, 12:32 PM CDTSpecial Weather StatementOUN28 min
Jun 23, 1:45 PM CDTHeat AdvisoryOUN31 hr
Jun 24, 3:23 AM CDTHeat AdvisoryOUN41 hr
Jun 25, 3:05 PM CDTHeat AdvisoryOUN30 hr
Jun 26, 2:55 PM CDTHeat AdvisoryOUN29 hr
Jun 27, 3:27 PM CDTHeat AdvisoryOUN30 hr
Jul 3, 12:53 PM CDTMesoscale DiscussionSPC2 hr
Jul 3, 5:52 PM CDTAreal Flood AdvisoryOUN3 hr
Jul 5, 11:40 PM CDTSevere Thunderstorm WarningOUN50 min
Jul 6, 12:13 AM CDTSpecial Weather StatementOUN32 min
Jul 6, 6:06 AM CDTMesoscale DiscussionSPC84 min
Jul 7, 8:41 AM CDTSevere Thunderstorm Warning Considerable damage threatOUN49 min
Jul 7, 9:18 AM CDTSevere Thunderstorm WarningOUN42 min
Jul 7, 6:54 PM CDTSevere Thunderstorm WatchSPC6 hr
Jul 7, 11:35 PM CDTSpecial Weather StatementOUN25 min
Jul 8, 10:47 PM CDTSevere Thunderstorm WatchSPC7 hr
Jul 9, 3:38 AM CDTMesoscale DiscussionSPC97 min
Jul 9, 4:24 AM CDTSevere Thunderstorm Warning Considerable damage threatOUN51 min
Jul 9, 4:51 AM CDTSevere Thunderstorm Warning Destructive damage threatOUN39 min
Jul 10, 12:30 PM CDTFlood WatchOUN21 hr
Jul 10, 2:37 PM CDTHeat AdvisoryOUN29 hr
Jul 11, 2:10 PM CDTHeat AdvisoryOUN13 hr
Jul 12, 3:07 AM CDTExcessive Heat WarningOUN18 hr
Jul 12, 3:07 AM CDTExcessive Heat WarningOUN42 hr
Jul 13, 2:37 PM CDTHeat AdvisoryOUN30 hr
Jul 13, 6:23 PM CDTSevere Thunderstorm WarningOUN52 min
Jul 13, 6:55 PM CDTSevere Thunderstorm Warning Considerable damage threatOUN42 min
Jul 13, 7:40 PM CDTSpecial Weather StatementOUN35 min
Jul 13, 9:37 PM CDTAreal Flood AdvisoryOUN3 hr
Jul 14, 3:13 AM CDTExcessive Heat WarningOUN18 hr
Jul 16, 1:56 PM CDTHeat AdvisoryOUN3 days
Jul 18, 9:57 AM CDTExcessive Heat WarningOUN34 hr
Jul 18, 9:57 AM CDTHeat AdvisoryOUN5 hr
Jul 19, 2:58 PM CDTHeat AdvisoryOUN29 hr
Jul 24, 2:15 AM CDTHeat AdvisoryOUN42 hr
Jul 25, 1:32 PM CDTHeat AdvisoryOUN30 hr
Jul 26, 1:13 PM CDTHeat AdvisoryOUN31 hr
Jul 29, 2:56 AM CDTHeat AdvisoryOUN41 hr
Jul 30, 3:05 AM CDTHeat AdvisoryOUN41 hr
Jul 31, 3:50 AM CDTHeat AdvisoryOUN40 hr
Aug 1, 4:19 AM CDTHeat AdvisoryOUN41 hr
Aug 1, 3:06 PM CDTRed Flag WarningOUN30 hr
Aug 1, 3:08 PM CDTHeat AdvisoryOUN54 hr
Aug 2, 2:52 PM CDTRed Flag WarningOUN30 hr
Aug 2, 2:59 PM CDTHeat AdvisoryOUN54 hr
Aug 3, 2:53 PM CDTExcessive Heat WarningOUN30 hr
Aug 3, 2:53 PM CDTHeat AdvisoryOUN44 hr
Aug 4, 2:44 AM CDTExcessive Heat WarningOUN42 hr
Aug 4, 2:30 PM CDTRed Flag WarningOUN31 hr
Aug 5, 2:38 PM CDTHeat AdvisoryOUN30 hr
Aug 6, 3:25 AM CDTSpecial Weather StatementOUN35 min
Aug 8, 4:06 AM CDTHeat AdvisoryOUN16 hr
Aug 8, 2:16 PM CDTRed Flag WarningOUN32 hr
Aug 8, 2:21 PM CDTHeat AdvisoryOUN31 hr
Aug 9, 4:57 PM CDTSpecial Weather StatementOUN33 min
Aug 9, 5:02 PM CDTSevere Thunderstorm WarningOUN43 min
Aug 9, 5:20 PM CDTMesoscale DiscussionSPC115 min
Aug 9, 5:35 PM CDTSevere Thunderstorm WatchSPC4 hr
Aug 10, 3:23 AM CDTHeat AdvisoryOUN18 hr
Aug 10, 1:46 PM CDTExcessive Heat WarningOUN31 hr
Aug 10, 10:43 PM CDTSevere Thunderstorm WarningOUN47 min
Aug 11, 2:04 PM CDTExcessive Heat WarningOUN31 hr
Aug 11, 3:14 PM CDTMesoscale DiscussionSPC2 hr
Aug 12, 2:29 PM CDTExcessive Heat WarningOUN31 hr
Aug 12, 2:35 PM CDTRed Flag WarningOUN30 hr
Aug 16, 4:37 PM CDTHeat AdvisoryOUN28 hr
Aug 17, 4:33 PM CDTHeat AdvisoryOUN28 hr
Aug 18, 3:08 AM CDTExcessive Heat WarningOUN18 hr
Aug 18, 3:08 AM CDTHeat AdvisoryOUN42 hr
Aug 18, 3:04 PM CDTExcessive Heat WarningOUN30 hr
Aug 19, 2:41 AM CDTExcessive Heat WarningOUN42 hr
Aug 19, 2:41 AM CDTHeat AdvisoryOUN42 hr
Aug 20, 2:08 AM CDTExcessive Heat WarningOUN43 hr
Aug 21, 3:02 AM CDTExcessive Heat WarningOUN42 hr
Aug 22, 2:53 AM CDTExcessive Heat WarningOUN42 hr
Aug 23, 2:16 AM CDTExcessive Heat WarningOUN43 hr
Aug 24, 2:19 AM CDTHeat AdvisoryOUN43 hr
Aug 25, 2:06 PM CDTHeat AdvisoryOUN30 hr
Aug 26, 4:31 PM CDTSpecial Weather StatementOUN29 min
Aug 26, 4:46 PM CDTSevere Thunderstorm WarningOUN29 min
Aug 26, 5:14 PM CDTSevere Thunderstorm Warning Considerable damage threatOUN44 min
Aug 26, 5:37 PM CDTSpecial Weather StatementOUN23 min
Sep 4, 3:08 PM CDTHeat AdvisoryOUN28 hr
Sep 5, 9:37 PM CDTSpecial Weather StatementOUN38 min
Sep 6, 3:11 PM CDTHeat AdvisoryOUN28 hr
Sep 7, 2:51 PM CDTHeat AdvisoryOUN28 hr
Sep 8, 5:36 PM CDTSevere Thunderstorm WarningOUN39 min
Sep 8, 6:35 PM CDTMesoscale DiscussionSPC115 min
Sep 19, 1:53 PM CDTSpecial Weather StatementOUN37 min
Sep 19, 3:36 PM CDTMesoscale DiscussionSPC54 min
Sep 19, 4:43 PM CDTSevere Thunderstorm WatchSPC6 hr
Sep 19, 5:55 PM CDTMesoscale DiscussionSPC95 min
Sep 19, 7:58 PM CDTSevere Thunderstorm WarningOUN32 min
Sep 19, 8:44 PM CDTSpecial Weather StatementOUN61 min
Sep 21, 2:58 PM CDTMesoscale DiscussionSPC2 hr
Sep 23, 3:05 AM CDTHeat AdvisoryOUN16 hr
Oct 4, 2:45 PM CDTSevere Thunderstorm WatchSPC7 hr
Oct 4, 3:53 PM CDTSevere Thunderstorm Warning Considerable damage threatOUN52 min
Oct 4, 4:45 PM CDTAreal Flood AdvisoryOUN4 hr
Oct 4, 5:21 PM CDTMesoscale DiscussionSPC84 min
Oct 23, 1:10 PM CDTFlood WatchOUN65 hr
Oct 29, 4:34 AM CDTFreeze WarningOUN28 hr
Oct 30, 3:52 AM CDTFreeze WarningOUN29 hr
Nov 16, 2:04 AM CSTDense Fog AdvisoryOUN9 hr
Nov 30, 7:41 PM CSTSpecial Weather StatementOUN49 min
Dec 2, 6:29 AM CSTDense Fog AdvisoryOUN5 hr
Dec 3, 3:17 AM CSTDense Fog AdvisoryOUN7 hr
Dec 22, 12:08 AM CSTDense Fog AdvisoryOUN12 hr
Dec 22, 6:56 PM CSTDense Fog AdvisoryOUN16 hr
Dec 24, 12:59 AM CSTSpecial Weather StatementOUN46 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 archive20222024

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.