Alert archive / Oklahoma / Canadian County

Weather alerts in Canadian County, Oklahoma, 2012

208 weather alerts in 2012, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Canadian County and its neighbors

Each county as a circle sized by its count in 2012. Tap one for its archive.

Alerts
208
Warnings
72
Watches
29
Advisories
33
Busiest month
April48 alerts
Busiest day
May 30, 201217 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 Canadian County in 2012 had a tornado report inside them; 1 of 1 tornado reports fell inside a warning, on average 3 minutes after it went out.

Canadian County, 2012

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings2150%1100%3 min
Severe thunderstorm warnings553045%2889%31 min
Flash flood warnings10100%0

Each office's whole area, 2012

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Norman, OK: tornado warnings542259%4384%18 min
NWS Norman, OK: severe thunderstorm warnings52327048%64481%25 min
NWS Norman, OK: flash flood warnings9544%7100%61 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
Dec 31, 9:10 PM CSTWind AdvisoryOUN3 hr
Jan 10, 3:32 PM CSTWind AdvisoryOUN31 hr
Jan 12, 4:00 AM CSTWind AdvisoryOUN10 hr
Jan 21, 2:52 PM CSTRed Flag WarningOUN27 hr
Jan 21, 3:01 PM CSTWind AdvisoryOUN28 hr
Feb 2, 7:08 PM CSTMesoscale DiscussionSPC67 min
Feb 2, 7:38 PM CSTSevere Thunderstorm WatchSPC7 hr
Feb 3, 2:00 AM CSTMesoscale DiscussionSPC60 min
Feb 3, 2:25 AM CSTTornado WatchSPC8 hr
Feb 3, 7:15 AM CSTMesoscale DiscussionSPC90 min
Feb 12, 4:21 AM CSTWinter Weather AdvisoryOUN30 hr
Feb 13, 9:40 PM CSTDense Fog AdvisoryOUN3 hr
Feb 14, 12:25 AM CSTFreezing Fog AdvisoryOUN9 hr
Feb 14, 4:20 AM CSTDense Fog AdvisoryOUN8 hr
Feb 14, 3:47 PM CSTDense Fog AdvisoryOUN20 hr
Feb 19, 2:46 PM CSTWind AdvisoryOUN28 hr
Feb 20, 1:39 PM CSTMesoscale DiscussionSPC66 min
Feb 20, 2:50 PM CSTSevere Thunderstorm WatchSPC4 hr
Feb 20, 3:35 PM CSTSpecial Weather StatementOUN25 min
Feb 21, 1:43 PM CSTRed Flag WarningOUN4 hr
Feb 23, 4:41 AM CSTWind AdvisoryOUN13 hr
Feb 23, 5:45 AM CSTRed Flag WarningOUN10 hr
Feb 29, 4:14 AM CSTFire Weather WatchOUN23 hr
Mar 1, 3:09 AM CSTRed Flag WarningOUN15 hr
Mar 4, 4:20 AM CSTRed Flag WarningOUN14 hr
Mar 5, 9:58 PM CSTWind AdvisoryOUN21 hr
Mar 7, 7:36 PM CSTMesoscale DiscussionSPC84 min
Mar 19, 1:56 AM CDTSevere Thunderstorm WatchSPC4 hr
Mar 19, 3:34 AM CDTMesoscale DiscussionSPC86 min
Mar 19, 3:59 AM CDTSpecial Weather StatementOUN46 min
Mar 19, 11:22 AM CDTFlash Flood WarningOUN6 hr
Mar 21, 12:39 PM CDTMesoscale DiscussionSPC2 hr
Mar 21, 4:32 PM CDTSpecial Weather StatementOUN43 min
Apr 2, 3:00 PM CDTMesoscale DiscussionSPC2 hr
Apr 2, 10:51 PM CDTSevere Thunderstorm WatchSPC5 hr
Apr 2, 11:32 PM CDTSpecial Weather StatementOUN28 min
Apr 3, 3:32 AM CDTMesoscale DiscussionSPC88 min
Apr 7, 10:17 AM CDTMesoscale DiscussionSPC88 min
Apr 9, 2:36 AM CDTDense Fog AdvisoryOUN7 hr
Apr 10, 8:01 AM CDTDense Fog AdvisoryOUN119 min
Apr 13, 12:10 PM CDTMesoscale DiscussionSPC2 hr
Apr 13, 1:28 PM CDTTornado WatchSPC8 hr
Apr 13, 1:49 PM CDTSevere Thunderstorm WarningOUN41 min
Apr 13, 2:28 PM CDTSevere Thunderstorm WarningOUN47 min
Apr 13, 3:14 PM CDTSevere Thunderstorm WarningOUN46 min
Apr 13, 3:26 PM CDTSevere Thunderstorm WarningOUN49 min
Apr 13, 3:39 PM CDTMesoscale DiscussionSPC96 min
Apr 13, 5:22 PM CDTSevere Thunderstorm WarningOUN38 min
Apr 13, 5:47 PM CDTMesoscale DiscussionSPC88 min
Apr 13, 7:35 PM CDTMesoscale DiscussionSPC55 min
Apr 13, 8:36 PM CDTTornado WatchSPC7 hr
Apr 13, 9:32 PM CDTSevere Thunderstorm WarningOUN58 min
Apr 13, 9:58 PM CDTMesoscale DiscussionSPC92 min
Apr 13, 11:09 PM CDTSevere Thunderstorm WarningOUN26 min
Apr 13, 11:45 PM CDTMesoscale DiscussionSPC90 min
Apr 13, 11:52 PM CDTSevere Thunderstorm WarningOUN53 min
Apr 14, 12:53 AM CDTSpecial Weather StatementOUN67 min
Apr 14, 1:16 AM CDTSevere Thunderstorm WarningOUN44 min
Apr 14, 1:48 AM CDTWind AdvisoryOUN26 hr
Apr 14, 1:58 AM CDTSevere Thunderstorm WarningOUN62 min
Apr 14, 2:24 AM CDTTornado WarningOUN36 min
Apr 14, 2:40 AM CDTMesoscale DiscussionSPC65 min
Apr 14, 1:23 PM CDTMesoscale DiscussionSPC2 hr
Apr 15, 1:36 AM CDTSevere Thunderstorm WarningOUN54 min
Apr 15, 1:37 AM CDTTornado WatchSPC5 hr
Apr 15, 2:34 AM CDTSevere Thunderstorm WarningOUN56 min
Apr 19, 6:10 PM CDTMesoscale DiscussionSPC2 hr
Apr 19, 6:38 PM CDTSevere Thunderstorm WatchSPC6 hr
Apr 19, 10:49 PM CDTMesoscale DiscussionSPC116 min
Apr 28, 6:33 PM CDTSevere Thunderstorm WatchSPC7 hr
Apr 28, 6:46 PM CDTMesoscale DiscussionSPC59 min
Apr 28, 9:14 PM CDTSpecial Weather StatementOUN31 min
Apr 28, 9:18 PM CDTSevere Thunderstorm WarningOUN42 min
Apr 28, 9:55 PM CDTSevere Thunderstorm WarningOUN50 min
Apr 28, 10:36 PM CDTTornado WatchSPC3 hr
Apr 28, 10:44 PM CDTSevere Thunderstorm WarningOUN46 min
Apr 28, 10:54 PM CDTMesoscale DiscussionSPC2 hr
Apr 28, 11:01 PM CDTSevere Thunderstorm WarningOUN44 min
Apr 28, 11:46 PM CDTSevere Thunderstorm WarningOUN44 min
Apr 29, 12:27 AM CDTSevere Thunderstorm WarningOUN48 min
Apr 29, 5:51 PM CDTMesoscale DiscussionSPC2 hr
Apr 30, 8:55 PM CDTMesoscale DiscussionSPC65 min
Apr 30, 9:51 PM CDTTornado WatchSPC4 hr
Apr 30, 10:54 PM CDTSpecial Weather StatementOUN51 min
Apr 30, 11:28 PM CDTMesoscale DiscussionSPC92 min
Apr 30, 11:32 PM CDTSevere Thunderstorm WarningOUN43 min
May 4, 9:37 AM CDTHigh Wind WarningOUN83 min
May 19, 3:52 PM CDTSevere Thunderstorm WatchSPC6 hr
May 19, 6:30 PM CDTMesoscale DiscussionSPC30 min
May 19, 9:03 PM CDTSevere Thunderstorm WatchSPC7 hr
May 19, 11:09 PM CDTMesoscale DiscussionSPC66 min
May 20, 12:28 AM CDTSevere Thunderstorm WarningOUN36 min
May 20, 1:30 AM CDTMesoscale DiscussionSPC90 min
May 20, 10:13 AM CDTSpecial Weather StatementOUN32 min
May 20, 11:22 AM CDTSpecial Weather StatementOUN38 min
May 21, 12:40 AM CDTSpecial Weather StatementOUN35 min
May 23, 4:06 AM CDTWind AdvisoryOUN17 hr
May 28, 3:48 PM CDTSevere Thunderstorm WatchSPC8 hr
May 28, 8:30 PM CDTSevere Thunderstorm WarningOUN45 min
May 28, 9:11 PM CDTSevere Thunderstorm WarningOUN49 min
May 28, 9:51 PM CDTMesoscale DiscussionSPC54 min
May 28, 9:57 PM CDTSevere Thunderstorm WarningOUN22 min
May 29, 3:06 PM CDTMesoscale DiscussionSPC84 min
May 29, 3:55 PM CDTSevere Thunderstorm WatchSPC12 hr
May 29, 6:47 PM CDTMesoscale DiscussionSPC88 min
May 29, 7:27 PM CDTSevere Thunderstorm WarningOUN63 min
May 29, 7:27 PM CDTSevere Thunderstorm WarningOUN63 min
May 29, 8:05 PM CDTSevere Thunderstorm WarningOUN55 min
May 29, 8:21 PM CDTMesoscale DiscussionSPC54 min
May 29, 8:26 PM CDTSevere Thunderstorm WarningOUN64 min
May 29, 8:27 PM CDTTornado WarningOUN33 min
May 29, 8:50 PM CDTSevere Thunderstorm WarningOUN40 min
May 29, 9:10 PM CDTMesoscale DiscussionSPC95 min
May 29, 9:27 PM CDTSevere Thunderstorm WarningOUN63 min
May 29, 10:12 PM CDTAreal Flood AdvisoryOUN3 hr
May 29, 10:29 PM CDTSevere Thunderstorm WarningOUN61 min
May 29, 11:29 PM CDTSevere Thunderstorm WarningOUN31 min
May 30, 6:16 AM CDTSevere Thunderstorm WarningOUN44 min
May 30, 6:48 AM CDTAreal Flood AdvisoryOUN3 hr
May 30, 7:01 AM CDTSevere Thunderstorm WarningOUN59 min
May 30, 6:13 PM CDTSevere Thunderstorm WatchSPC8 hr
May 30, 6:26 PM CDTSevere Thunderstorm WarningOUN64 min
May 30, 7:09 PM CDTSevere Thunderstorm WarningOUN15 min
May 30, 7:31 PM CDTSevere Thunderstorm WarningOUN29 min
May 30, 11:02 PM CDTSevere Thunderstorm WarningOUN43 min
May 30, 11:21 PM CDTMesoscale DiscussionSPC114 min
May 30, 11:48 PM CDTSevere Thunderstorm WarningOUN42 min
Jun 2, 10:59 PM CDTSevere Thunderstorm WatchSPC4 hr
Jun 3, 1:23 AM CDTMesoscale DiscussionSPC67 min
Jun 3, 1:27 AM CDTSpecial Weather StatementOUN48 min
Jun 3, 1:58 AM CDTSevere Thunderstorm WarningOUN47 min
Jun 3, 2:13 AM CDTSpecial Weather StatementOUN47 min
Jun 3, 2:26 AM CDTSevere Thunderstorm WarningOUN30 min
Jun 3, 6:40 PM CDTTornado WatchSPC3 hr
Jun 3, 9:46 PM CDTMesoscale DiscussionSPC59 min
Jun 3, 10:06 PM CDTSevere Thunderstorm WatchSPC3 hr
Jun 3, 11:27 PM CDTSevere Thunderstorm WarningOUN27 min
Jun 3, 11:49 PM CDTSpecial Weather StatementOUN26 min
Jun 4, 12:04 AM CDTSpecial Weather StatementOUN26 min
Jun 6, 1:40 PM CDTMesoscale DiscussionSPC2 hr
Jun 14, 11:22 PM CDTMesoscale DiscussionSPC53 min
Jun 15, 2:11 AM CDTSpecial Weather StatementOUN64 min
Jun 15, 2:59 AM CDTSpecial Weather StatementOUN46 min
Jun 16, 3:02 PM CDTMesoscale DiscussionSPC88 min
Jun 19, 4:18 AM CDTWind AdvisoryOUN15 hr
Jun 26, 11:25 AM CDTHeat AdvisoryOUN3 days
Jul 20, 5:09 AM CDTHeat AdvisoryOUN4 days
Jul 27, 3:08 PM CDTHeat AdvisoryOUN9 days
Aug 2, 4:12 AM CDTFire Weather WatchOUN24 hr
Aug 3, 4:38 AM CDTFire Weather WatchOUN10 hr
Aug 3, 4:38 AM CDTRed Flag WarningOUN17 hr
Aug 3, 2:55 PM CDTRed Flag WarningOUN31 hr
Aug 6, 3:11 PM CDTHeat AdvisoryOUN31 hr
Aug 6, 4:00 PM CDTSpecial Weather StatementOUN30 min
Aug 7, 4:26 PM CDTSpecial Weather StatementOUN49 min
Aug 7, 5:37 PM CDTSevere Thunderstorm WarningOUN38 min
Aug 9, 1:43 PM CDTRed Flag WarningOUN5 hr
Aug 16, 4:45 PM CDTMesoscale DiscussionSPC2 hr
Aug 18, 9:29 AM CDTMesoscale DiscussionSPC91 min
Aug 18, 12:21 PM CDTSpecial Weather StatementOUN39 min
Aug 18, 12:52 PM CDTSpecial Weather StatementOUN53 min
Aug 25, 10:29 PM CDTSpecial Weather StatementOUN31 min
Sep 4, 9:57 PM CDTSpecial Weather StatementOUN33 min
Sep 4, 10:48 PM CDTSpecial Weather StatementOUN27 min
Sep 5, 6:53 PM CDTMesoscale DiscussionSPC67 min
Sep 5, 10:58 PM CDTSpecial Weather StatementOUN32 min
Sep 7, 4:10 AM CDTWind AdvisoryOUN18 hr
Sep 7, 2:44 PM CDTMesoscale DiscussionSPC2 hr
Sep 7, 3:18 PM CDTSevere Thunderstorm WarningOUN27 min
Sep 17, 5:17 AM CDTDense Fog AdvisoryOUN5 hr
Sep 23, 4:06 AM CDTFire Weather WatchOUN11 hr
Sep 23, 3:04 PM CDTRed Flag WarningOUN29 hr
Sep 25, 7:29 PM CDTSevere Thunderstorm WatchSPC4 hr
Sep 25, 8:28 PM CDTSevere Thunderstorm WarningOUN47 min
Sep 25, 9:07 PM CDTSevere Thunderstorm WarningOUN53 min
Sep 25, 9:33 PM CDTMesoscale DiscussionSPC87 min
Sep 25, 9:55 PM CDTSevere Thunderstorm WarningOUN50 min
Sep 26, 7:17 PM CDTMesoscale DiscussionSPC58 min
Sep 26, 8:10 PM CDTSevere Thunderstorm WarningOUN50 min
Sep 26, 8:56 PM CDTSevere Thunderstorm WarningOUN49 min
Sep 26, 8:59 PM CDTSevere Thunderstorm WarningOUN46 min
Sep 26, 9:12 PM CDTAreal Flood AdvisoryOUN3 hr
Sep 26, 9:51 PM CDTSpecial Weather StatementOUN24 min
Sep 26, 10:15 PM CDTSpecial Weather StatementOUN30 min
Sep 26, 10:45 PM CDTSevere Thunderstorm WarningOUN45 min
Oct 5, 3:48 AM CDTFrost AdvisoryOUN53 hr
Oct 7, 3:13 PM CDTFrost AdvisoryOUN18 hr
Oct 13, 1:00 PM CDTTornado WatchSPC8 hr
Oct 13, 2:43 PM CDTSevere Thunderstorm WarningOUN47 min
Oct 13, 2:55 PM CDTMesoscale DiscussionSPC95 min
Oct 13, 3:14 PM CDTSevere Thunderstorm WarningOUN46 min
Oct 13, 3:27 PM CDTSevere Thunderstorm WarningOUN48 min
Oct 13, 4:10 PM CDTSevere Thunderstorm WarningOUN65 min
Oct 16, 3:04 PM CDTWind AdvisoryOUN24 hr
Oct 25, 4:19 AM CDTFreeze WatchOUN10 hr
Oct 25, 2:31 PM CDTFreeze WarningOUN43 hr
Oct 26, 1:53 PM CDTFreeze WatchOUN24 hr
Oct 27, 2:22 PM CDTFreeze WarningOUN20 hr
Nov 9, 2:33 PM CSTWind AdvisoryOUN33 hr
Nov 11, 5:36 AM CSTFreeze WarningOUN28 hr
Nov 20, 5:18 AM CSTDense Fog AdvisoryOUN5 hr
Dec 19, 4:06 AM CSTWind AdvisoryOUN30 hr
Dec 19, 10:13 AM CSTHigh Wind WarningOUN16 hr
Dec 23, 2:33 PM CSTWinter Storm WatchOUN21 hr
Dec 24, 3:31 AM CSTWinter Storm WarningOUN38 hr
Dec 25, 2:32 AM CSTMesoscale DiscussionSPC4 hr
Dec 25, 9:31 AM CSTMesoscale DiscussionSPC5 hr
Dec 25, 3:38 PM CSTWind Chill AdvisoryOUN17 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 archive20112013

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.