Alert archive / Oklahoma / Garvin County

Weather alerts in Garvin County, Oklahoma, 2015

245 weather alerts in 2015, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Garvin County and its neighbors

Each county as a circle sized by its count in 2015. Tap one for its archive.

Alerts
245
Warnings
84
Watches
39
Advisories
52
Busiest month
May112 alerts
Busiest day
May 10, 201512 alerts

Over time

By month

Warning verification

How often warnings here had a storm report inside them, and how much warning the reports had.

4 of 6 tornado warnings covering Garvin County in 2015 had a tornado report inside them; 2 of 2 tornado reports fell inside a warning, on average 13 minutes after it went out.

Garvin County, 2015

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings6433%2100%13 min
Severe thunderstorm warnings362239%757%31 min
Flash flood warnings181328%2100%79 min

Each office's whole area, 2015

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Norman, OK: tornado warnings1525464%9680%14 min
NWS Norman, OK: severe thunderstorm warnings66131253%66281%22 min
NWS Norman, OK: flash flood warnings1358835%19594%114 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 1, 3:42 PM CSTWinter Weather AdvisoryOUN54 hr
Jan 17, 6:28 PM CSTFire Weather WatchOUN9 hr
Jan 18, 3:29 AM CSTRed Flag WarningOUN15 hr
Jan 21, 12:53 PM CSTWinter Weather AdvisoryOUN20 hr
Feb 4, 4:02 AM CSTWind AdvisoryOUN17 hr
Feb 14, 3:40 AM CSTWinter Storm WatchOUN24 hr
Feb 15, 3:58 AM CSTWinter Weather AdvisoryOUN29 hr
Feb 21, 8:42 PM CSTWinter Weather AdvisoryOUN17 hr
Feb 22, 2:01 PM CSTWinter Weather AdvisoryOUN28 hr
Feb 26, 3:00 PM CSTWinter Weather AdvisoryOUN37 hr
Feb 27, 3:05 PM CSTWinter Weather AdvisoryOUN44 hr
Mar 3, 11:16 AM CSTWinter Weather AdvisoryOUN40 hr
Mar 11, 12:48 AM CDTDense Fog AdvisoryOUN10 hr
Mar 25, 4:14 AM CDTWind AdvisoryOUN24 hr
Mar 25, 1:45 PM CDTMesoscale DiscussionSPC3 hr
Mar 25, 2:16 PM CDTSevere Thunderstorm WatchSPC8 hr
Mar 25, 5:33 PM CDTMesoscale DiscussionSPC87 min
Mar 25, 7:54 PM CDTMesoscale DiscussionSPC66 min
Mar 25, 8:02 PM CDTSevere Thunderstorm WarningOUN43 min
Mar 25, 8:15 PM CDTSevere Thunderstorm WarningOUN45 min
Mar 25, 8:34 PM CDTSevere Thunderstorm WarningOUN41 min
Mar 25, 8:55 PM CDTSevere Thunderstorm WarningOUN50 min
Mar 25, 9:05 PM CDTSevere Thunderstorm WarningOUN25 min
Mar 25, 9:11 PM CDTSevere Thunderstorm WarningOUN64 min
Mar 25, 9:21 PM CDTSevere Thunderstorm WatchSPC8 hr
Mar 31, 5:51 AM CDTDense Fog AdvisoryOUN4 hr
Mar 31, 3:27 PM CDTMesoscale DiscussionSPC2 hr
Mar 31, 3:57 PM CDTSevere Thunderstorm WatchSPC6 hr
Mar 31, 8:14 PM CDTMesoscale DiscussionSPC91 min
Mar 31, 9:24 PM CDTMesoscale DiscussionSPC66 min
Mar 31, 9:40 PM CDTSevere Thunderstorm WatchSPC6 hr
Mar 31, 11:34 PM CDTSpecial Weather StatementOUN41 min
Mar 31, 11:41 PM CDTSevere Thunderstorm WarningOUN49 min
Apr 1, 12:08 AM CDTSevere Thunderstorm WarningOUN23 min
Apr 1, 12:19 AM CDTSevere Thunderstorm WarningOUN26 min
Apr 1, 12:40 AM CDTSevere Thunderstorm WarningOUN35 min
Apr 8, 11:28 PM CDTSpecial Weather StatementOUN62 min
Apr 18, 6:21 PM CDTMesoscale DiscussionSPC84 min
Apr 18, 6:31 PM CDTSevere Thunderstorm WatchSPC6 hr
Apr 18, 6:35 PM CDTSevere Thunderstorm WarningOUN40 min
Apr 18, 6:59 PM CDTSpecial Weather StatementOUN31 min
Apr 18, 7:12 PM CDTSevere Thunderstorm WarningOUN48 min
Apr 18, 8:02 PM CDTMesoscale DiscussionSPC88 min
Apr 18, 8:16 PM CDTSpecial Weather StatementOUN44 min
Apr 19, 12:43 PM CDTMesoscale DiscussionSPC2 hr
Apr 19, 1:42 PM CDTSevere Thunderstorm WatchSPC6 hr
Apr 22, 6:24 AM CDTMesoscale DiscussionSPC2 hr
Apr 22, 7:13 AM CDTSevere Thunderstorm WarningOUN47 min
Apr 22, 9:52 AM CDTSpecial Weather StatementOUN23 min
Apr 22, 10:15 AM CDTSpecial Weather StatementOUN30 min
Apr 26, 3:01 PM CDTFlash Flood WatchOUN28 hr
May 6, 1:02 AM CDTSevere Thunderstorm WarningOUN28 min
May 6, 3:27 PM CDTMesoscale DiscussionSPC2 hr
May 6, 5:25 PM CDTMesoscale DiscussionSPC2 hr
May 6, 6:34 PM CDTMesoscale DiscussionSPC86 min
May 6, 8:51 PM CDTTornado WatchSPC5 hr
May 6, 10:53 PM CDTMesoscale DiscussionSPC2 hr
May 7, 11:54 AM CDTFlood WatchOUN3 days
May 7, 1:10 PM CDTSevere Thunderstorm WatchSPC7 hr
May 7, 6:05 PM CDTSpecial Weather StatementOUN25 min
May 7, 6:19 PM CDTMesoscale DiscussionSPC86 min
May 8, 12:51 PM CDTTornado WatchSPC8 hr
May 8, 2:12 PM CDTMesoscale DiscussionSPC93 min
May 8, 3:45 PM CDTMesoscale DiscussionSPC90 min
May 8, 6:50 PM CDTMesoscale DiscussionSPC85 min
May 8, 7:25 PM CDTFlash Flood WarningOUN4 hr
May 8, 7:49 PM CDTSevere Thunderstorm WarningOUN56 min
May 9, 7:36 AM CDTSevere Thunderstorm WatchSPC6 hr
May 9, 8:34 AM CDTSpecial Weather StatementOUN26 min
May 9, 9:32 AM CDTAreal Flood AdvisoryOUN3 hr
May 9, 1:21 PM CDTTornado WatchSPC10 hr
May 9, 1:27 PM CDTFlash Flood WarningOUN5 hr
May 9, 1:47 PM CDTSevere Thunderstorm WarningOUN43 min
May 9, 3:32 PM CDTMesoscale DiscussionSPC118 min
May 9, 5:49 PM CDTAreal Flood WarningOUN5 hr
May 9, 7:59 PM CDTSevere Thunderstorm WarningOUN46 min
May 9, 8:25 PM CDTFlash Flood WarningOUN3 hr
May 9, 8:44 PM CDTSevere Thunderstorm WarningOUN46 min
May 9, 9:23 PM CDTSevere Thunderstorm WarningOUN52 min
May 9, 9:32 PM CDTFlash Flood WarningOUN3 hr
May 10, 12:17 AM CDTRiver Flood WarningOUN51 hr
May 10, 4:20 AM CDTMesoscale DiscussionSPC55 min
May 10, 12:33 PM CDTMesoscale DiscussionSPC2 hr
May 10, 12:58 PM CDTTornado WatchSPC10 hr
May 10, 3:22 PM CDTMesoscale DiscussionSPC53 min
May 10, 5:39 PM CDTMesoscale DiscussionSPC96 min
May 10, 6:05 PM CDTAreal Flood AdvisoryOUN115 min
May 11, 3:37 PM CDTFlash Flood WatchOUN60 hr
May 13, 1:17 PM CDTAreal Flood AdvisoryOUN3 hr
May 15, 11:49 AM CDTFlash Flood WatchOUN41 hr
May 16, 3:41 PM CDTMesoscale DiscussionSPC94 min
May 16, 4:00 PM CDTTornado WatchSPC8 hr
May 16, 5:55 PM CDTMesoscale DiscussionSPC95 min
May 16, 7:14 PM CDTMesoscale DiscussionSPC91 min
May 16, 8:31 PM CDTSevere Thunderstorm WarningOUN44 min
May 16, 8:43 PM CDTSevere Thunderstorm WarningOUN32 min
May 16, 8:47 PM CDTMesoscale DiscussionSPC88 min
May 16, 9:11 PM CDTSevere Thunderstorm WarningOUN49 min
May 16, 9:59 PM CDTSevere Thunderstorm WarningOUN46 min
May 16, 10:33 PM CDTAreal Flood AdvisoryOUN3 hr
May 16, 10:43 PM CDTSevere Thunderstorm WarningOUN47 min
May 18, 4:40 AM CDTDense Fog AdvisoryOUN5 hr
May 18, 1:07 PM CDTMesoscale DiscussionSPC53 min
May 18, 2:58 PM CDTMesoscale DiscussionSPC2 hr
May 18, 3:57 PM CDTFlood WatchOUN39 hr
May 19, 1:32 PM CDTTornado WatchSPC7 hr
May 19, 2:07 PM CDTSevere Thunderstorm WarningOUN38 min
May 19, 3:51 PM CDTMesoscale DiscussionSPC114 min
May 19, 5:31 PM CDTMesoscale DiscussionSPC89 min
May 19, 5:49 PM CDTSevere Thunderstorm WarningOUN41 min
May 19, 6:09 PM CDTFlash Flood WarningOUN3 hr
May 19, 7:15 PM CDTMesoscale DiscussionSPC90 min
May 19, 7:35 PM CDTSevere Thunderstorm WarningOUN40 min
May 19, 8:12 PM CDTSevere Thunderstorm WarningOUN37 min
May 19, 8:58 PM CDTTornado WatchSPC5 hr
May 19, 9:17 PM CDTFlash Flood WarningOUN6 hr
May 19, 11:15 PM CDTMesoscale DiscussionSPC90 min
May 20, 2:24 AM CDTAreal Flood WarningOUN6 hr
May 20, 9:01 AM CDTRiver Flood WarningOUN30 hr
May 20, 2:55 PM CDTRiver Flood WarningOUN11 days
May 20, 8:46 PM CDTFlash Flood WatchOUN5 days
May 23, 9:14 AM CDTRiver Flood WarningOUN5 days
May 23, 4:06 PM CDTRiver Flood WarningOUN6 hr
May 23, 4:06 PM CDTRiver Flood WarningOUN44 hr
May 23, 4:11 PM CDTRiver Flood WarningOUN12 hr
May 23, 5:04 PM CDTMesoscale DiscussionSPC2 hr
May 23, 5:30 PM CDTTornado WatchSPC9 hr
May 23, 6:00 PM CDTTornado Warning Tornado observedOUN30 min
May 23, 6:19 PM CDTSpecial Weather StatementOUN26 min
May 23, 6:37 PM CDTTornado WarningOUN23 min
May 23, 6:37 PM CDTMesoscale DiscussionSPC83 min
May 23, 6:58 PM CDTTornado WarningOUN32 min
May 23, 7:11 PM CDTFlash Flood WarningOUN6 hr
May 23, 7:17 PM CDTTornado WarningOUN28 min
May 23, 8:57 PM CDTMesoscale DiscussionSPC93 min
May 24, 12:46 AM CDTFlash Flood WarningOUN6 hr
May 24, 1:10 AM CDTFlash Flood WarningOUN6 hr
May 24, 6:46 AM CDTAreal Flood WarningOUN23 hr
May 24, 7:13 AM CDTAreal Flood WarningOUN23 hr
May 24, 7:38 AM CDTAreal Flood WarningOUN23 hr
May 25, 10:13 AM CDTMesoscale DiscussionSPC2 hr
May 25, 10:54 AM CDTTornado WatchSPC7 hr
May 25, 1:54 PM CDTMesoscale DiscussionSPC2 hr
May 25, 2:45 PM CDTSevere Thunderstorm WarningOUN45 min
May 25, 3:28 PM CDTSevere Thunderstorm WarningOUN47 min
May 25, 3:47 PM CDTAreal Flood AdvisoryOUN3 hr
May 26, 4:29 AM CDTDense Fog AdvisoryOUN5 hr
May 26, 5:27 PM CDTSevere Thunderstorm WatchSPC7 hr
May 27, 1:22 PM CDTSpecial Weather StatementOUN23 min
May 27, 1:40 PM CDTSpecial Weather StatementOUN35 min
May 27, 2:35 PM CDTAreal Flood AdvisoryOUN3 hr
May 27, 2:40 PM CDTFlash Flood WatchOUN70 hr
May 27, 3:24 PM CDTSpecial Weather StatementOUN36 min
May 28, 2:50 AM CDTMesoscale DiscussionSPC2 hr
May 28, 5:41 AM CDTSpecial Weather StatementOUN64 min
May 28, 7:07 AM CDTAreal Flood AdvisoryOUN3 hr
May 28, 2:46 PM CDTRiver Flood WarningOUN38 hr
May 28, 2:56 PM CDTMesoscale DiscussionSPC94 min
May 28, 3:26 PM CDTSevere Thunderstorm WatchSPC8 hr
May 28, 8:14 PM CDTSevere Thunderstorm WarningOUN46 min
May 28, 8:51 PM CDTFlash Flood WarningOUN3 hr
May 28, 8:58 PM CDTSevere Thunderstorm WarningOUN47 min
May 30, 7:58 AM CDTRiver Flood WarningOUN11 hr
Jun 12, 2:56 AM CDTFlash Flood WatchOUN49 hr
Jun 13, 12:42 AM CDTAreal Flood AdvisoryOUN3 hr
Jun 13, 12:54 AM CDTSpecial Weather StatementOUN51 min
Jun 13, 1:56 AM CDTSpecial Weather StatementOUN49 min
Jun 13, 3:26 AM CDTAreal Flood AdvisoryOUN3 hr
Jun 14, 3:17 PM CDTSpecial Weather StatementOUN28 min
Jun 15, 2:22 PM CDTFlash Flood WarningOUN5 hr
Jun 15, 2:47 PM CDTFlash Flood WatchOUN3 days
Jun 15, 2:58 PM CDTFlash Flood WarningOUN3 hr
Jun 15, 4:22 PM CDTAreal Flood AdvisoryOUN3 hr
Jun 15, 6:07 PM CDTAreal Flood AdvisoryOUN3 hr
Jun 17, 2:47 AM CDTRiver Flood WarningOUN58 hr
Jun 17, 8:34 AM CDTRiver Flood WarningOUN42 hr
Jun 17, 2:21 PM CDTRiver Flood WarningOUN19 hr
Jun 17, 2:51 PM CDTAreal Flood AdvisoryOUN5 hr
Jun 17, 4:33 PM CDTFlash Flood WarningOUN9 hr
Jun 17, 5:12 PM CDTFlash Flood WarningOUN6 hr
Jun 17, 6:07 PM CDTAreal Flood AdvisoryOUN6 hr
Jun 17, 9:45 PM CDTFlash Flood WarningOUN6 hr
Jun 18, 1:35 AM CDTAreal Flood WarningOUN12 hr
Jun 18, 3:46 AM CDTAreal Flood WarningOUN6 hr
Jun 18, 9:48 AM CDTFlash Flood WarningOUN6 hr
Jun 18, 1:27 PM CDTFlash Flood WarningOUN5 hr
Jun 29, 2:49 PM CDTMesoscale DiscussionSPC2 hr
Jul 3, 5:25 AM CDTAreal Flood AdvisoryOUN3 hr
Jul 3, 6:42 AM CDTFlash Flood WarningOUN3 hr
Jul 3, 9:45 AM CDTAreal Flood WarningOUN3 hr
Jul 3, 5:04 PM CDTMesoscale DiscussionSPC116 min
Jul 4, 3:53 AM CDTSpecial Weather StatementOUN37 min
Jul 4, 3:19 PM CDTMesoscale DiscussionSPC86 min
Jul 6, 3:36 AM CDTFlash Flood WatchOUN63 hr
Jul 7, 12:49 PM CDTAreal Flood AdvisoryOUN6 hr
Jul 7, 9:49 PM CDTAreal Flood AdvisoryOUN3 hr
Jul 8, 2:29 AM CDTMesoscale DiscussionSPC3 hr
Jul 11, 3:49 AM CDTHeat AdvisoryOUN4 days
Jul 15, 4:18 AM CDTHeat AdvisoryOUN16 hr
Jul 18, 10:45 AM CDTHeat AdvisoryOUN33 hr
Jul 19, 4:15 AM CDTHeat AdvisoryOUN40 hr
Jul 21, 7:39 PM CDTMesoscale DiscussionSPC96 min
Jul 21, 10:40 PM CDTSpecial Weather StatementOUN65 min
Jul 22, 12:17 AM CDTAreal Flood AdvisoryOUN3 hr
Jul 23, 2:53 PM CDTHeat AdvisoryOUN29 hr
Jul 24, 2:41 PM CDTHeat AdvisoryOUN29 hr
Jul 25, 2:31 PM CDTHeat AdvisoryOUN29 hr
Jul 27, 10:36 AM CDTHeat AdvisoryOUN9 hr
Aug 4, 2:57 PM CDTHeat AdvisoryOUN29 hr
Aug 5, 3:14 PM CDTHeat AdvisoryOUN29 hr
Aug 6, 3:40 AM CDTExcessive Heat WatchOUN23 hr
Aug 6, 2:35 PM CDTHeat AdvisoryOUN29 hr
Aug 7, 2:18 PM CDTHeat AdvisoryOUN30 hr
Aug 8, 2:13 PM CDTHeat AdvisoryOUN30 hr
Aug 9, 2:27 PM CDTHeat AdvisoryOUN30 hr
Aug 19, 3:57 AM CDTMesoscale DiscussionSPC63 min
Sep 8, 3:24 PM CDTMesoscale DiscussionSPC3 hr
Sep 8, 6:52 PM CDTSpecial Weather StatementOUN38 min
Sep 8, 7:34 PM CDTSpecial Weather StatementOUN26 min
Sep 20, 10:04 AM CDTAreal Flood AdvisoryOUN3 hr
Oct 12, 3:27 AM CDTRed Flag WarningOUN16 hr
Oct 21, 4:28 AM CDTFlash Flood WatchOUN3 days
Nov 2, 1:30 AM CSTDense Fog AdvisoryOUN10 hr
Nov 5, 10:48 AM CSTMesoscale DiscussionSPC87 min
Nov 5, 12:06 PM CSTTornado WatchSPC8 hr
Nov 5, 12:42 PM CSTSevere Thunderstorm WarningOUN33 min
Nov 5, 1:30 PM CSTSevere Thunderstorm WarningOUN30 min
Nov 5, 1:58 PM CSTSevere Thunderstorm WarningOUN32 min
Nov 10, 3:11 PM CSTWind AdvisoryOUN27 hr
Nov 11, 4:06 AM CSTRed Flag WarningOUN14 hr
Nov 16, 8:17 PM CSTTornado WatchSPC7 hr
Nov 17, 12:58 AM CSTMesoscale DiscussionSPC2 hr
Nov 17, 2:09 AM CSTSevere Thunderstorm WarningOUN51 min
Nov 20, 3:48 AM CSTWind AdvisoryOUN29 hr
Nov 20, 2:24 PM CSTFreeze WatchOUN13 hr
Nov 21, 3:43 AM CSTFreeze WarningOUN29 hr
Nov 25, 4:06 AM CSTFlash Flood WatchOUN3 days
Nov 26, 4:09 PM CSTWinter Weather AdvisoryOUN43 hr
Nov 28, 10:57 AM CSTWinter Weather AdvisoryOUN25 hr
Dec 24, 3:50 AM CSTFlash Flood WatchOUN4 days
Dec 24, 3:35 PM CSTWinter Storm WatchOUN49 hr
Dec 26, 12:02 PM CSTMesoscale DiscussionSPC58 min
Dec 26, 12:58 PM CSTTornado WarningOUN32 min
Dec 26, 1:27 PM CSTTornado WarningOUN33 min
Dec 26, 4:31 PM CSTWinter Weather AdvisoryOUN48 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 archive20142016

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.