Alert archive / Oklahoma / Ottawa County
Weather alerts in Ottawa County, Oklahoma, 2010
175 weather alerts in 2010, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Ottawa County and its neighbors
Each county as a circle sized by its count in 2010. Tap one for its archive.
- Alerts
- 175
- Warnings
- 45
- Watches
- 28
- Advisories
- 43
- Busiest month
- July26 alerts
- Busiest day
- July 13, 20108 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Ottawa County, 2010
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 17 | 12 | 29% | 13 | 92% | 30 min |
| Flash flood warnings | 6 | 4 | 33% | 6 | 67% | 77 min |
Each office's whole area, 2010
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Tulsa, OK: tornado warnings | 50 | 8 | 84% | 16 | 81% | 25 min |
| NWS Tulsa, OK: severe thunderstorm warnings | 220 | 97 | 56% | 223 | 77% | 25 min |
| NWS Tulsa, OK: flash flood warnings | 62 | 30 | 52% | 71 | 92% | 129 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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jan 2, 2:39 PM CST | Winter Weather Advisory | TSA | 22 hr |
| Jan 5, 3:42 PM CST | Winter Weather Advisory | TSA | 42 hr |
| Jan 6, 4:04 AM CST | Wind Chill Advisory | TSA | 3 days |
| Jan 7, 3:17 PM CST | Hard Freeze Warning | TSA | 66 hr |
| Jan 15, 2:06 AM CST | Dense Fog Advisory | TSA | 13 hr |
| Jan 15, 9:03 PM CST | Dense Fog Advisory | TSA | 12 hr |
| Jan 16, 2:54 PM CST | Dense Fog Advisory | TSA | 21 hr |
| Jan 17, 8:17 PM CST | Dense Fog Advisory | TSA | 5 hr |
| Jan 18, 12:58 AM CST | Freezing Fog Advisory | TSA | 7 hr |
| Jan 22, 6:07 AM CST | Dense Fog Advisory | TSA | 6 hr |
| Jan 25, 11:55 AM CST | Wind Advisory | TSA | 4 hr |
| Jan 25, 3:04 PM CST | Winter Storm Watch | TSA | 3 days |
| Jan 27, 3:37 AM CST | Winter Storm Warning | TSA | 68 hr |
| Jan 31, 1:09 AM CST | Freezing Fog Advisory | TSA | 11 hr |
| Jan 31, 4:05 PM CST | Freezing Fog Advisory | TSA | 16 hr |
| Feb 1, 11:02 PM CST | Freezing Fog Advisory | TSA | 5 hr |
| Feb 2, 9:09 PM CST | Freezing Fog Advisory | TSA | 13 hr |
| Feb 4, 4:36 PM CST | Winter Weather Advisory | TSA | 19 hr |
| Feb 5, 1:18 AM CST | Dense Fog Advisory | TSA | 4 hr |
| Feb 6, 3:36 AM CST | Winter Storm Watch | TSA | 24 hr |
| Feb 7, 3:38 AM CST | Winter Storm Warning | TSA | 44 hr |
| Feb 7, 3:20 PM CST | Winter Weather Advisory | TSA | 9 hr |
| Feb 13, 1:20 AM CST | Freezing Fog Advisory | TSA | 9 hr |
| Feb 22, 7:11 PM CST | River Flood Advisory | TSA | 22 hr |
| Mar 10, 2:18 PM CST | Special Weather Statement | TSA | 42 min |
| Mar 10, 3:42 PM CST | Severe Thunderstorm Watch | SPC | 6 hr |
| Mar 10, 5:27 PM CST | Severe Thunderstorm Warning | TSA | 18 min |
| Mar 10, 7:13 PM CST | Mesoscale Discussion | SPC | 62 min |
| Mar 18, 3:39 PM CDT | Winter Storm Watch | TSA | 37 hr |
| Mar 19, 2:42 PM CDT | Winter Storm Warning | TSA | 56 hr |
| Mar 20, 11:56 PM CDT | Mesoscale Discussion | SPC | 6 hr |
| Mar 25, 8:59 AM CDT | Flash Flood Warning | TSA | 4 hr |
| Mar 25, 2:59 PM CDT | River Flood Warning | TSA | 36 hr |
| Mar 25, 3:00 PM CDT | River Flood Warning | TSA | 23 hr |
| Mar 27, 12:33 PM CDT | Mesoscale Discussion | SPC | 57 min |
| Mar 30, 2:59 PM CDT | Red Flag Warning | TSA | 5 hr |
| Apr 6, 3:22 AM CDT | Wind Advisory | TSA | 16 hr |
| Apr 6, 8:53 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 6, 11:24 PM CDT | Mesoscale Discussion | SPC | 66 min |
| Apr 6, 11:53 PM CDT | Severe Thunderstorm Warning | TSA | 52 min |
| Apr 7, 12:31 AM CDT | Severe Thunderstorm Warning | TSA | 59 min |
| Apr 7, 1:10 AM CDT | Mesoscale Discussion | SPC | 95 min |
| Apr 22, 4:56 PM CDT | Mesoscale Discussion | SPC | 34 min |
| Apr 28, 3:03 PM CDT | Wind Advisory | TSA | 30 hr |
| Apr 30, 3:33 AM CDT | Wind Advisory | TSA | 9 hr |
| Apr 30, 1:40 PM CDT | Special Weather Statement | TSA | 35 min |
| May 1, 3:11 PM CDT | Mesoscale Discussion | SPC | 94 min |
| May 1, 3:37 PM CDT | Special Weather Statement | TSA | 23 min |
| May 1, 3:48 PM CDT | Special Weather Statement | TSA | 27 min |
| May 10, 4:42 PM CDT | Mesoscale Discussion | SPC | 63 min |
| May 10, 5:00 PM CDT | Tornado Watch | SPC | 6 hr |
| May 10, 6:45 PM CDT | Mesoscale Discussion | SPC | 60 min |
| May 10, 9:21 PM CDT | Mesoscale Discussion | SPC | 54 min |
| May 11, 8:40 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 13, 5:02 AM CDT | Mesoscale Discussion | SPC | 28 min |
| May 13, 5:04 AM CDT | Severe Thunderstorm Watch | SPC | 3 hr |
| May 13, 5:22 AM CDT | Severe Thunderstorm Warning | TSA | 53 min |
| May 13, 5:52 AM CDT | Severe Thunderstorm Warning | TSA | 68 min |
| May 13, 6:13 AM CDT | Severe Thunderstorm Warning | TSA | 18 min |
| May 13, 9:27 AM CDT | River Flood Warning | TSA | 3 days |
| May 14, 4:12 PM CDT | Flood Watch | TSA | 35 hr |
| May 16, 7:45 PM CDT | Special Weather Statement | TSA | 45 min |
| May 16, 8:07 PM CDT | Severe Thunderstorm Warning | TSA | 44 min |
| May 17, 3:18 AM CDT | Dense Fog Advisory | TSA | 7 hr |
| May 19, 2:33 AM CDT | Flash Flood Watch | TSA | 40 hr |
| May 19, 9:44 AM CDT | Areal Flood Advisory | TSA | 91 min |
| May 19, 9:06 PM CDT | Severe Thunderstorm Warning | TSA | 29 min |
| May 20, 2:21 AM CDT | River Flood Warning | TSA | 45 hr |
| May 20, 8:28 AM CDT | River Flood Warning | TSA | 18 hr |
| Jun 2, 5:14 PM CDT | Mesoscale Discussion | SPC | 61 min |
| Jun 2, 9:23 PM CDT | Severe Thunderstorm Warning | TSA | 67 min |
| Jun 2, 10:30 PM CDT | Severe Thunderstorm Warning | TSA | 60 min |
| Jun 2, 11:03 PM CDT | Mesoscale Discussion | SPC | 57 min |
| Jun 2, 11:16 PM CDT | Areal Flood Advisory | TSA | 119 min |
| Jun 2, 11:25 PM CDT | Severe Thunderstorm Warning | TSA | 33 min |
| Jun 7, 7:27 AM CDT | Mesoscale Discussion | SPC | 63 min |
| Jun 7, 7:59 AM CDT | Special Weather Statement | TSA | 46 min |
| Jun 8, 8:34 PM CDT | Mesoscale Discussion | SPC | 56 min |
| Jun 8, 10:29 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 9, 2:50 AM CDT | Special Weather Statement | TSA | 40 min |
| Jun 9, 9:06 AM CDT | River Flood Warning | TSA | 3 days |
| Jun 13, 2:04 PM CDT | Flash Flood Watch | TSA | 41 hr |
| Jun 14, 1:31 AM CDT | Mesoscale Discussion | SPC | 119 min |
| Jun 14, 2:27 AM CDT | Special Weather Statement | TSA | 63 min |
| Jun 16, 12:20 PM CDT | Mesoscale Discussion | SPC | 55 min |
| Jun 16, 2:28 PM CDT | Severe Thunderstorm Warning | TSA | 44 min |
| Jun 19, 3:13 AM CDT | Heat Advisory | TSA | 11 hr |
| Jun 19, 1:48 PM CDT | Excessive Heat Warning | TSA | 4 days |
| Jun 19, 5:55 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Jun 21, 3:29 PM CDT | Heat Advisory | TSA | 5 days |
| Jun 26, 12:42 PM CDT | Heat Advisory | TSA | 6 hr |
| Jun 27, 3:18 PM CDT | Mesoscale Discussion | SPC | 57 min |
| Jul 6, 2:03 PM CDT | River Flood Warning | TSA | 5 days |
| Jul 6, 2:20 PM CDT | Areal Flood Advisory | TSA | 55 min |
| Jul 6, 2:52 PM CDT | Flash Flood Warning | TSA | 2 hr |
| Jul 7, 11:27 AM CDT | Flood Watch | TSA | 64 hr |
| Jul 8, 5:39 PM CDT | Flash Flood Warning | TSA | 3 hr |
| Jul 11, 3:19 PM CDT | Mesoscale Discussion | SPC | 56 min |
| Jul 11, 4:00 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 12, 4:26 AM CDT | Excessive Heat Watch | TSA | 23 hr |
| Jul 12, 1:41 PM CDT | Excessive Heat Warning | TSA | 11 days |
| Jul 12, 2:16 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jul 12, 7:42 PM CDT | Special Weather Statement | TSA | 63 min |
| Jul 12, 7:56 PM CDT | Mesoscale Discussion | SPC | 64 min |
| Jul 12, 8:00 PM CDT | Severe Thunderstorm Warning | TSA | 60 min |
| Jul 12, 8:30 PM CDT | Severe Thunderstorm Warning | TSA | 60 min |
| Jul 12, 9:09 PM CDT | Flash Flood Warning | TSA | 3 hr |
| Jul 12, 9:58 PM CDT | Mesoscale Discussion | SPC | 62 min |
| Jul 13, 7:57 AM CDT | River Flood Warning | TSA | 4 hr |
| Jul 13, 11:49 AM CDT | River Flood Advisory | TSA | 13 hr |
| Jul 16, 3:33 PM CDT | Heat Advisory | TSA | 4 days |
| Jul 16, 3:49 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Jul 16, 6:14 PM CDT | Special Weather Statement | TSA | 46 min |
| Jul 16, 6:29 PM CDT | Areal Flood Advisory | TSA | 2 hr |
| Jul 16, 6:45 PM CDT | Severe Thunderstorm Warning | TSA | 60 min |
| Jul 16, 7:15 PM CDT | Flash Flood Warning | TSA | 3 hr |
| Jul 16, 7:45 PM CDT | Special Weather Statement | TSA | 30 min |
| Jul 29, 3:08 PM CDT | Heat Advisory | TSA | 8 days |
| Aug 1, 3:10 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 6, 3:24 PM CDT | Excessive Heat Watch | TSA | 24 hr |
| Aug 7, 3:18 PM CDT | Excessive Heat Warning | TSA | 9 days |
| Aug 7, 3:18 PM CDT | Heat Advisory | TSA | 9 days |
| Aug 14, 7:42 PM CDT | Mesoscale Discussion | SPC | 63 min |
| Aug 14, 10:28 PM CDT | Mesoscale Discussion | SPC | 62 min |
| Aug 15, 12:13 AM CDT | Special Weather Statement | TSA | 32 min |
| Aug 19, 4:12 AM CDT | Excessive Heat Watch | TSA | 23 hr |
| Aug 19, 4:12 AM CDT | Heat Advisory | TSA | 63 hr |
| Sep 1, 1:36 PM CDT | Areal Flood Advisory | TSA | 114 min |
| Sep 1, 3:25 PM CDT | Areal Flood Advisory | TSA | 2 hr |
| Sep 2, 2:17 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Sep 2, 3:29 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Sep 2, 6:41 PM CDT | Mesoscale Discussion | SPC | 94 min |
| Sep 7, 4:24 PM CDT | Flood Watch | TSA | 44 hr |
| Sep 10, 5:54 PM CDT | Tornado Watch | SPC | 7 hr |
| Sep 10, 9:40 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 15, 8:05 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Sep 15, 8:39 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Sep 15, 9:03 PM CDT | Severe Thunderstorm Warning | TSA | 57 min |
| Sep 15, 10:03 PM CDT | Special Weather Statement | TSA | 57 min |
| Sep 15, 11:12 PM CDT | Mesoscale Discussion | SPC | 63 min |
| Sep 17, 8:06 AM CDT | River Flood Advisory | TSA | 25 hr |
| Oct 3, 3:44 AM CDT | Frost Advisory | TSA | 29 hr |
| Oct 4, 3:51 PM CDT | Frost Advisory | TSA | 16 hr |
| Oct 11, 3:01 PM CDT | Mesoscale Discussion | SPC | 89 min |
| Oct 22, 7:32 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Oct 23, 9:28 AM CDT | Mesoscale Discussion | SPC | 92 min |
| Oct 25, 3:54 AM CDT | Wind Advisory | TSA | 18 hr |
| Oct 25, 10:06 PM CDT | Wind Advisory | TSA | 6 hr |
| Oct 25, 11:12 PM CDT | Special Weather Statement | TSA | 48 min |
| Oct 27, 2:49 PM CDT | Freeze Watch | TSA | 25 hr |
| Oct 28, 3:14 AM CDT | Freeze Warning | TSA | 31 hr |
| Nov 3, 3:09 PM CDT | Freeze Watch | TSA | 22 hr |
| Nov 4, 3:22 AM CDT | Red Flag Warning | TSA | 16 hr |
| Nov 4, 1:23 PM CDT | Freeze Warning | TSA | 20 hr |
| Nov 5, 3:34 AM CDT | Freeze Watch | TSA | 10 hr |
| Nov 5, 2:02 PM CDT | Freeze Warning | TSA | 19 hr |
| Nov 6, 9:02 AM CDT | Freeze Warning | TSA | 58 min |
| Nov 6, 3:27 PM CDT | Fire Weather Watch | TSA | 13 hr |
| Nov 7, 3:42 AM CST | Red Flag Warning | TSA | 16 hr |
| Nov 8, 3:47 AM CST | Fire Weather Watch | TSA | 8 hr |
| Nov 24, 12:24 PM CST | Mesoscale Discussion | SPC | 96 min |
| Nov 24, 2:28 PM CST | Tornado Watch | SPC | 6 hr |
| Nov 24, 5:22 PM CST | Special Weather Statement | TSA | 23 min |
| Nov 24, 5:50 PM CST | Flash Flood Warning | TSA | 4 hr |
| Nov 24, 6:42 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Nov 24, 7:29 PM CST | Special Weather Statement | TSA | 16 min |
| Nov 24, 7:33 PM CST | Severe Thunderstorm Warning | TSA | 12 min |
| Nov 24, 8:23 PM CST | Tornado Watch | SPC | 8 hr |
| Nov 25, 7:50 AM CST | Mesoscale Discussion | SPC | 3 hr |
| Dec 21, 3:42 AM CST | Dense Fog Advisory | TSA | 8 hr |
| Dec 30, 11:05 PM CST | Special Weather Statement | TSA | 25 min |
| Dec 31, 12:44 AM CST | Mesoscale Discussion | SPC | 61 min |
| Dec 31, 1:03 AM CST | Tornado Watch | SPC | 7 hr |
| Dec 31, 3:27 AM CST | Mesoscale Discussion | SPC | 2 hr |
| Dec 31, 5:45 AM CST | Mesoscale Discussion | SPC | 2 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 archive20092011
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.