Alert archive / Oklahoma / Pottawatomie County
Weather alerts in Pottawatomie County, Oklahoma, 2017
222 weather alerts in 2017, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Pottawatomie County and its neighbors
Each county as a circle sized by its count in 2017. Tap one for its archive.
- Alerts
- 222
- Warnings
- 83
- Watches
- 30
- Advisories
- 37
- Busiest month
- May49 alerts
- Busiest day
- May 28, 201713 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 Pottawatomie County in 2017 had a tornado report inside them.
Pottawatomie County, 2017
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 2 | 1 | 50% | 0 | ||
| Severe thunderstorm warnings | 61 | 28 | 54% | 13 | 69% | 23 min |
| Flash flood warnings | 4 | 2 | 50% | 3 | 67% | 62 min |
Each office's whole area, 2017
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Norman, OK: tornado warnings | 97 | 25 | 74% | 39 | 82% | 16 min |
| NWS Norman, OK: severe thunderstorm warnings | 923 | 313 | 66% | 720 | 81% | 24 min |
| NWS Norman, OK: flash flood warnings | 111 | 48 | 57% | 100 | 88% | 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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jan 5, 3:51 AM CST | Winter Weather Advisory | OUN | 35 hr |
| Jan 11, 10:03 AM CST | Winter Storm Watch | OUN | 29 hr |
| Jan 12, 2:56 PM CST | Ice Storm Warning | OUN | 4 days |
| Jan 12, 2:56 PM CST | Freezing Rain Advisory | OUN | 3 days |
| Jan 13, 10:05 PM CST | Mesoscale Discussion | SPC | 5 hr |
| Jan 15, 8:35 AM CST | Dense Fog Advisory | OUN | 3 hr |
| Jan 20, 3:51 AM CST | Dense Fog Advisory | OUN | 6 hr |
| Jan 22, 11:58 AM CST | Wind Advisory | OUN | 5 hr |
| Jan 23, 1:23 PM CST | Fire Weather Watch | OUN | 322 days |
| Jan 24, 3:13 AM CST | Red Flag Warning | OUN | 16 hr |
| Jan 24, 3:24 AM CST | Wind Advisory | OUN | 15 hr |
| Feb 5, 10:16 PM CST | Dense Fog Advisory | OUN | 12 hr |
| Feb 9, 4:00 PM CST | Fire Weather Watch | OUN | 12 hr |
| Feb 10, 3:53 AM CST | Fire Weather Watch | OUN | 11 hr |
| Feb 10, 3:53 AM CST | Red Flag Warning | OUN | 15 hr |
| Feb 10, 3:16 PM CST | Red Flag Warning | OUN | 28 hr |
| Feb 19, 8:33 PM CST | Mesoscale Discussion | SPC | 117 min |
| Feb 19, 9:27 PM CST | Severe Thunderstorm Warning | OUN | 48 min |
| Feb 19, 10:07 PM CST | Severe Thunderstorm Warning | OUN | 53 min |
| Feb 19, 10:57 PM CST | Special Weather Statement | OUN | 48 min |
| Feb 19, 11:36 PM CST | Special Weather Statement | OUN | 24 min |
| Feb 20, 10:32 PM CST | Dense Fog Advisory | OUN | 10 hr |
| Feb 22, 2:49 PM CST | Fire Weather Watch | OUN | 13 hr |
| Feb 22, 2:49 PM CST | Red Flag Warning | OUN | 30 hr |
| Mar 6, 2:15 AM CST | Wind Advisory | OUN | 17 hr |
| Mar 6, 6:51 PM CST | Tornado Watch | SPC | 8 hr |
| Mar 6, 9:39 PM CST | Severe Thunderstorm Warning | OUN | 51 min |
| Mar 6, 10:09 PM CST | Special Weather Statement | OUN | 36 min |
| Mar 6, 10:20 PM CST | Severe Thunderstorm Warning | OUN | 40 min |
| Mar 7, 8:30 PM CST | Red Flag Warning | OUN | 23 hr |
| Mar 23, 4:18 AM CDT | Fire Weather Watch | OUN | 24 hr |
| Mar 24, 3:51 AM CDT | Red Flag Warning | OUN | 15 hr |
| Mar 26, 1:24 PM CDT | Mesoscale Discussion | SPC | 66 min |
| Mar 26, 2:06 PM CDT | Special Weather Statement | OUN | 24 min |
| Mar 26, 2:44 PM CDT | Special Weather Statement | OUN | 31 min |
| Mar 26, 2:49 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Mar 26, 4:02 PM CDT | Tornado Watch | SPC | 7 hr |
| Mar 26, 5:31 PM CDT | Special Weather Statement | OUN | 29 min |
| Mar 26, 5:44 PM CDT | Severe Thunderstorm Warning | OUN | 46 min |
| Mar 26, 5:53 PM CDT | Severe Thunderstorm Warning | OUN | 40 min |
| Mar 26, 6:21 PM CDT | Severe Thunderstorm Warning | OUN | 39 min |
| Mar 26, 7:36 PM CDT | Severe Thunderstorm Warning | OUN | 39 min |
| Mar 26, 8:00 PM CDT | Severe Thunderstorm Warning | OUN | 45 min |
| Mar 26, 8:11 PM CDT | Severe Thunderstorm Warning | OUN | 34 min |
| Mar 28, 7:58 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Mar 28, 10:21 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Mar 28, 10:25 PM CDT | Mesoscale Discussion | SPC | 65 min |
| Apr 4, 1:48 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 4, 2:31 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Apr 4, 3:40 PM CDT | Severe Thunderstorm Warning | OUN | 35 min |
| Apr 4, 3:53 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Apr 9, 3:48 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 18, 3:43 AM CDT | Dense Fog Advisory | OUN | 6 hr |
| Apr 19, 3:45 PM CDT | Flood Watch | OUN | 51 hr |
| Apr 20, 5:40 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Apr 21, 2:12 AM CDT | River Flood Warning | OUN | 24 hr |
| Apr 21, 3:15 AM CDT | Special Weather Statement | OUN | 30 min |
| Apr 21, 3:44 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 21, 4:20 AM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Apr 21, 7:54 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 21, 8:35 AM CDT | Special Weather Statement | OUN | 25 min |
| Apr 21, 9:04 AM CDT | Special Weather Statement | OUN | 26 min |
| Apr 21, 9:42 AM CDT | Severe Thunderstorm Warning | OUN | 63 min |
| Apr 21, 9:45 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 21, 10:17 AM CDT | Areal Flood Advisory | OUN | 118 min |
| Apr 21, 3:27 PM CDT | Special Weather Statement | OUN | 48 min |
| Apr 21, 3:54 PM CDT | Mesoscale Discussion | SPC | 66 min |
| Apr 25, 4:57 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 25, 5:59 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Apr 25, 7:14 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Apr 25, 9:00 PM CDT | Severe Thunderstorm Warning | OUN | 45 min |
| Apr 25, 9:18 PM CDT | Special Weather Statement | OUN | 27 min |
| Apr 25, 9:42 PM CDT | Severe Thunderstorm Warning | OUN | 48 min |
| Apr 25, 9:44 PM CDT | Severe Thunderstorm Warning | OUN | 46 min |
| Apr 25, 10:30 PM CDT | Mesoscale Discussion | SPC | 90 min |
| Apr 25, 10:43 PM CDT | Severe Thunderstorm Warning | OUN | 32 min |
| Apr 25, 11:02 PM CDT | Severe Thunderstorm Warning | OUN | 43 min |
| Apr 27, 3:24 AM CDT | Flood Watch | OUN | 68 hr |
| Apr 28, 10:18 PM CDT | Mesoscale Discussion | SPC | 117 min |
| Apr 28, 10:35 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Apr 29, 2:45 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 29, 8:24 AM CDT | River Flood Warning | OUN | 17 hr |
| Apr 30, 3:32 AM CDT | Wind Advisory | OUN | 16 hr |
| May 3, 1:30 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 10, 10:20 PM CDT | Special Weather Statement | OUN | 40 min |
| May 10, 10:45 PM CDT | Severe Thunderstorm Warning | OUN | 31 min |
| May 10, 11:12 PM CDT | Severe Thunderstorm Warning | OUN | 48 min |
| May 11, 11:44 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| May 16, 10:07 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 17, 1:14 AM CDT | Severe Thunderstorm Warning | OUN | 46 min |
| May 17, 1:43 AM CDT | Severe Thunderstorm Warning | OUN | 47 min |
| May 17, 1:49 AM CDT | Mesoscale Discussion | SPC | 56 min |
| May 18, 11:06 AM CDT | Flood Watch | OUN | 40 hr |
| May 18, 5:15 PM CDT | Severe Thunderstorm Warning | OUN | 45 min |
| May 18, 5:47 PM CDT | Mesoscale Discussion | SPC | 28 min |
| May 18, 5:57 PM CDT | Severe Thunderstorm Warning | OUN | 48 min |
| May 18, 6:02 PM CDT | Tornado Watch | SPC | 7 hr |
| May 18, 6:47 PM CDT | Severe Thunderstorm Warning | OUN | 43 min |
| May 18, 7:43 PM CDT | Severe Thunderstorm Warning | OUN | 47 min |
| May 18, 7:47 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 18, 8:00 PM CDT | Areal Flood Advisory | OUN | 3 hr |
| May 18, 8:24 PM CDT | Severe Thunderstorm Warning | OUN | 51 min |
| May 18, 8:45 PM CDT | Severe Thunderstorm Warning | OUN | 30 min |
| May 18, 8:58 PM CDT | Special Weather Statement | OUN | 47 min |
| May 19, 2:16 AM CDT | River Flood Warning | OUN | 23 hr |
| May 19, 4:19 PM CDT | Severe Thunderstorm Warning | OUN | 23 min |
| May 19, 5:22 PM CDT | Severe Thunderstorm Warning | OUN | 53 min |
| May 19, 6:12 PM CDT | Severe Thunderstorm Warning | OUN | 63 min |
| May 19, 6:30 PM CDT | Flash Flood Warning | OUN | 6 hr |
| May 19, 7:11 PM CDT | Severe Thunderstorm Warning | OUN | 64 min |
| May 19, 7:49 PM CDT | River Flood Warning | OUN | 22 hr |
| May 19, 8:08 PM CDT | Flash Flood Warning | OUN | 3 hr |
| May 19, 11:13 PM CDT | Flash Flood Warning | OUN | 3 hr |
| May 20, 1:42 AM CDT | Areal Flood Warning | OUN | 4 hr |
| May 20, 5:43 AM CDT | Areal Flood Warning | OUN | 9 hr |
| May 27, 3:24 AM CDT | Heat Advisory | OUN | 16 hr |
| May 27, 2:04 PM CDT | Mesoscale Discussion | SPC | 86 min |
| May 27, 4:01 PM CDT | Tornado Watch | SPC | 10 hr |
| May 27, 4:51 PM CDT | Mesoscale Discussion | SPC | 24 min |
| May 27, 7:35 PM CDT | Severe Thunderstorm Warning | OUN | 40 min |
| May 27, 8:07 PM CDT | Mesoscale Discussion | SPC | 83 min |
| May 27, 8:09 PM CDT | Severe Thunderstorm Warning | OUN | 51 min |
| May 27, 8:43 PM CDT | Severe Thunderstorm Warning | OUN | 48 min |
| May 27, 9:06 PM CDT | Severe Thunderstorm Warning | OUN | 24 min |
| May 27, 9:11 PM CDT | Severe Thunderstorm Warning | OUN | 40 min |
| May 27, 9:24 PM CDT | Severe Thunderstorm Warning | OUN | 51 min |
| May 27, 9:28 PM CDT | Severe Thunderstorm Warning | OUN | 47 min |
| May 27, 9:49 PM CDT | Special Weather Statement | OUN | 56 min |
| May 27, 10:13 PM CDT | Severe Thunderstorm Warning | OUN | 47 min |
| May 27, 10:22 PM CDT | Flash Flood Warning | OUN | 4 hr |
| May 28, 1:27 AM CDT | Special Weather Statement | OUN | 33 min |
| May 28, 1:58 AM CDT | Severe Thunderstorm Warning | OUN | 32 min |
| Jun 16, 2:51 PM CDT | Heat Advisory | OUN | 29 hr |
| Jun 18, 3:44 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 18, 4:14 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 30, 3:21 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Jun 30, 3:42 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 30, 5:52 PM CDT | Severe Thunderstorm Warning | OUN | 38 min |
| Jun 30, 6:27 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Jun 30, 6:30 PM CDT | Severe Thunderstorm Warning | OUN | 30 min |
| Jun 30, 7:03 PM CDT | Severe Thunderstorm Warning | OUN | 27 min |
| Jun 30, 7:11 PM CDT | Areal Flood Advisory | OUN | 3 hr |
| Jun 30, 7:32 PM CDT | Severe Thunderstorm Warning | OUN | 43 min |
| Jun 30, 10:24 PM CDT | Mesoscale Discussion | SPC | 66 min |
| Jul 2, 3:00 PM CDT | Severe Thunderstorm Warning | OUN | 30 min |
| Jul 2, 3:29 PM CDT | Severe Thunderstorm Warning | OUN | 46 min |
| Jul 2, 4:02 PM CDT | Areal Flood Advisory | OUN | 3 hr |
| Jul 2, 7:12 PM CDT | Special Weather Statement | OUN | 63 min |
| Jul 3, 3:24 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jul 3, 7:26 PM CDT | Mesoscale Discussion | SPC | 64 min |
| Jul 3, 8:23 PM CDT | Mesoscale Discussion | SPC | 67 min |
| Jul 3, 8:58 PM CDT | Severe Thunderstorm Warning | OUN | 62 min |
| Jul 3, 9:41 PM CDT | Severe Thunderstorm Warning | OUN | 34 min |
| Jul 3, 9:59 PM CDT | Severe Thunderstorm Warning | OUN | 46 min |
| Jul 3, 10:15 PM CDT | Severe Thunderstorm Warning | OUN | 60 min |
| Jul 3, 10:30 PM CDT | Tornado Warning | OUN | 13 min |
| Jul 8, 5:39 PM CDT | Areal Flood Advisory | OUN | 3 hr |
| Jul 8, 6:11 PM CDT | Special Weather Statement | OUN | 34 min |
| Jul 8, 6:45 PM CDT | Special Weather Statement | OUN | 30 min |
| Jul 20, 3:12 AM CDT | Heat Advisory | OUN | 65 hr |
| Jul 22, 2:59 AM CDT | Heat Advisory | OUN | 41 hr |
| Jul 22, 2:43 PM CDT | Excessive Heat Warning | OUN | 29 hr |
| Jul 23, 3:15 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 23, 4:17 PM CDT | Severe Thunderstorm Warning | OUN | 43 min |
| Jul 23, 4:22 PM CDT | Severe Thunderstorm Warning | OUN | 38 min |
| Jul 23, 4:56 PM CDT | Severe Thunderstorm Warning | OUN | 49 min |
| Jul 23, 5:37 PM CDT | Severe Thunderstorm Warning | OUN | 19 min |
| Jul 24, 3:31 PM CDT | Heat Advisory | OUN | 28 hr |
| Jul 25, 2:42 AM CDT | Heat Advisory | OUN | 65 hr |
| Jul 28, 6:12 PM CDT | Special Weather Statement | OUN | 33 min |
| Jul 28, 6:39 PM CDT | Special Weather Statement | OUN | 36 min |
| Aug 6, 2:00 AM CDT | Special Weather Statement | OUN | 60 min |
| Aug 6, 2:59 AM CDT | Special Weather Statement | OUN | 46 min |
| Aug 10, 1:42 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 10, 2:06 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 10, 4:33 PM CDT | Mesoscale Discussion | SPC | 57 min |
| Aug 10, 6:44 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Aug 11, 1:22 AM CDT | Flood Watch | OUN | 54 hr |
| Aug 15, 3:23 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 16, 2:12 PM CDT | Flood Watch | OUN | 14 hr |
| Aug 16, 2:48 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Aug 16, 7:30 PM CDT | Mesoscale Discussion | SPC | 90 min |
| Aug 16, 9:55 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Aug 16, 10:47 PM CDT | Special Weather Statement | OUN | 28 min |
| Aug 16, 11:29 PM CDT | Special Weather Statement | OUN | 61 min |
| Aug 19, 3:43 AM CDT | Heat Advisory | OUN | 15 hr |
| Aug 20, 2:40 AM CDT | Heat Advisory | OUN | 16 hr |
| Aug 22, 2:54 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 22, 6:24 PM CDT | Special Weather Statement | OUN | 36 min |
| Aug 22, 7:02 PM CDT | Special Weather Statement | OUN | 28 min |
| Aug 22, 7:14 PM CDT | Severe Thunderstorm Warning | OUN | 31 min |
| Aug 22, 7:18 PM CDT | Areal Flood Advisory | OUN | 117 min |
| Sep 17, 2:08 PM CDT | Special Weather Statement | OUN | 52 min |
| Sep 17, 2:11 PM CDT | Severe Thunderstorm Warning | OUN | 49 min |
| Sep 17, 2:16 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Sep 17, 2:34 PM CDT | Severe Thunderstorm Warning | OUN | 41 min |
| Oct 4, 1:45 AM CDT | Flood Watch | OUN | 17 hr |
| Oct 4, 1:10 PM CDT | Areal Flood Advisory | OUN | 3 hr |
| Oct 4, 2:53 PM CDT | Areal Flood Advisory | OUN | 4 hr |
| Oct 4, 7:03 PM CDT | Areal Flood Advisory | OUN | 3 hr |
| Oct 4, 9:58 PM CDT | River Flood Warning | OUN | 9 hr |
| Oct 7, 2:22 AM CDT | Special Weather Statement | OUN | 23 min |
| Oct 14, 11:44 PM CDT | Severe Thunderstorm Warning | OUN | 46 min |
| Oct 15, 12:16 AM CDT | Severe Thunderstorm Warning | OUN | 44 min |
| Oct 21, 5:05 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Oct 21, 6:40 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Oct 21, 7:24 PM CDT | Tornado Watch | SPC | 7 hr |
| Oct 21, 8:34 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Oct 21, 9:17 PM CDT | Areal Flood Advisory | OUN | 118 min |
| Oct 21, 9:19 PM CDT | Severe Thunderstorm Warning | OUN | 41 min |
| Oct 21, 9:38 PM CDT | Tornado Warning | OUN | 37 min |
| Oct 21, 9:52 PM CDT | Severe Thunderstorm Warning | OUN | 38 min |
| Oct 25, 3:10 PM CDT | Freeze Watch | OUN | 36 hr |
| Oct 26, 3:24 AM CDT | Wind Advisory | OUN | 28 hr |
| Oct 27, 3:29 AM CDT | Freeze Warning | OUN | 31 hr |
| Nov 3, 9:48 PM CDT | Dense Fog Advisory | OUN | 13 hr |
| Nov 14, 7:25 AM CST | Dense Fog Advisory | OUN | 4 hr |
| Nov 17, 3:38 AM CST | Wind Advisory | OUN | 35 hr |
| Dec 17, 8:43 PM CST | Dense Fog Advisory | OUN | 14 hr |
| Dec 22, 3:25 AM CST | Winter Weather Advisory | OUN | 23 hr |
| Dec 24, 2:56 AM CST | Winter Weather Advisory | OUN | 4 hr |
| Dec 30, 8:03 AM CST | Winter Weather Advisory | OUN | 4 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 61 |
| Tornado Warning | 2 |
| Severe Thunderstorm Watch | 12 |
| Tornado Watch | 5 |
| Mesoscale Discussion | 44 |
| Special Weather Statement | 28 |
| Flooding | |
| Areal Flood Warning | 2 |
| Flash Flood Warning | 4 |
| River Flood Warning | 5 |
| Flood Watch | 6 |
| Areal Flood Advisory | 10 |
| Winter | |
| Ice Storm Warning | 1 |
| Winter Storm Watch | 1 |
| Freezing Rain Advisory | 1 |
| Winter Weather Advisory | 4 |
| Heat | |
| Excessive Heat Warning | 1 |
| Heat Advisory | 8 |
| Cold | |
| Freeze Warning | 1 |
| Freeze Watch | 1 |
| Wind and dust | |
| Wind Advisory | 6 |
| Fire | |
| Red Flag Warning | 6 |
| Fire Weather Watch | 5 |
| Fog and smoke | |
| Dense Fog Advisory | 8 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20162018
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.