Alert archive / Florida / Saint Johns County
Weather alerts in Saint Johns County, Florida, 2017
251 weather alerts in 2017, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Saint Johns County and its neighbors
Each county as a circle sized by its count in 2017. Tap one for its archive.
- Alerts
- 251
- Warnings
- 101
- Watches
- 6
- Advisories
- 50
- Busiest month
- May42 alerts
- Busiest day
- May 24, 201721 alerts
Over time
By month
The alerts
Every alert, in the order issued. Times are local, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jan 22, 6:34 AM EST | Mesoscale Discussion | SPC | 86 min |
| Jan 22, 12:47 PM EST | Tornado Watch | SPC | 7 hr |
| Jan 22, 1:56 PM EST | Mesoscale Discussion | SPC | 94 min |
| Jan 22, 2:35 PM EST | Special Weather Statement | JAX | 40 min |
| Jan 22, 3:03 PM EST | Severe Thunderstorm Warning | JAX | 42 min |
| Jan 22, 3:38 PM EST | Special Weather Statement | JAX | 67 min |
| Jan 22, 3:43 PM EST | Severe Thunderstorm Warning | JAX | 18 min |
| Jan 22, 4:20 PM EST | Severe Thunderstorm Warning | JAX | 25 min |
| Jan 22, 6:06 PM EST | Severe Thunderstorm Warning | JAX | 69 min |
| Jan 22, 7:07 PM EST | Tornado Warning | JAX | 23 min |
| Jan 22, 7:15 PM EST | Severe Thunderstorm Warning | JAX | 45 min |
| Jan 22, 7:27 PM EST | Tornado Warning | JAX | 13 min |
| Feb 7, 10:21 PM EST | Special Weather Statement | JAX | 39 min |
| Feb 7, 10:51 PM EST | Special Weather Statement | JAX | 39 min |
| Feb 8, 3:45 PM EST | Mesoscale Discussion | SPC | 60 min |
| Feb 8, 6:04 PM EST | Special Weather Statement | JAX | 26 min |
| Feb 15, 3:00 PM EST | Special Weather Statement | JAX | 60 min |
| Feb 22, 3:02 PM EST | Special Weather Statement | JAX | 28 min |
| Feb 22, 3:31 PM EST | Special Weather Statement | JAX | 59 min |
| Feb 23, 10:35 AM EST | Special Weather Statement | JAX | 55 min |
| Mar 12, 1:45 PM EDT | Special Weather Statement | JAX | 30 min |
| Apr 3, 6:20 PM EDT | Severe Thunderstorm Warning | JAX | 25 min |
| Apr 3, 6:46 PM EDT | Severe Thunderstorm Warning | JAX | 44 min |
| Apr 3, 6:57 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Apr 3, 7:07 PM EDT | Severe Thunderstorm Warning | JAX | 23 min |
| Apr 3, 7:29 PM EDT | Special Weather Statement | JAX | 46 min |
| Apr 3, 7:42 PM EDT | Severe Thunderstorm Warning | JAX | 33 min |
| Apr 4, 4:34 AM EDT | Severe Thunderstorm Warning | JAX | 41 min |
| Apr 4, 5:47 AM EDT | Areal Flood Advisory | JAX | 3 hr |
| Apr 4, 6:23 AM EDT | Severe Thunderstorm Warning | JAX | 22 min |
| Apr 4, 6:40 AM EDT | Special Weather Statement | JAX | 50 min |
| Apr 4, 7:31 AM EDT | Areal Flood Advisory | JAX | 119 min |
| Apr 4, 7:35 AM EDT | Special Weather Statement | JAX | 55 min |
| Apr 4, 9:34 AM EDT | Areal Flood Advisory | JAX | 3 hr |
| Apr 4, 10:54 AM EDT | Areal Flood Advisory | JAX | 81 min |
| Apr 5, 5:30 PM EDT | Special Weather Statement | JAX | 45 min |
| Apr 6, 12:15 AM EDT | Tornado Watch | SPC | 6 hr |
| Apr 6, 3:12 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 6, 3:32 AM EDT | Special Weather Statement | JAX | 43 min |
| May 4, 4:37 PM EDT | Severe Thunderstorm Warning | JAX | 53 min |
| May 4, 5:20 PM EDT | Severe Thunderstorm Warning | JAX | 40 min |
| May 4, 5:30 PM EDT | Special Weather Statement | JAX | 45 min |
| May 4, 5:54 PM EDT | Areal Flood Advisory | JAX | 96 min |
| May 13, 4:43 PM EDT | Severe Thunderstorm Warning | JAX | 35 min |
| May 22, 4:30 PM EDT | Severe Thunderstorm Warning | JAX | 45 min |
| May 22, 5:11 PM EDT | Areal Flood Advisory | JAX | 94 min |
| May 22, 6:12 PM EDT | Special Weather Statement | JAX | 33 min |
| May 24, 3:45 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 24, 4:25 AM EDT | Severe Thunderstorm Warning | JAX | 50 min |
| May 24, 4:58 AM EDT | Severe Thunderstorm Warning | JAX | 20 min |
| May 24, 6:18 AM EDT | Tornado Warning | JAX | 27 min |
| May 24, 6:30 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 24, 6:44 AM EDT | Tornado Warning | JAX | 31 min |
| May 24, 6:56 AM EDT | Tornado Watch | SPC | 8 hr |
| May 24, 8:09 AM EDT | Special Weather Statement | JAX | 51 min |
| May 24, 8:58 AM EDT | Special Weather Statement | JAX | 47 min |
| May 24, 9:47 AM EDT | Tornado Warning | JAX | 28 min |
| May 24, 10:07 AM EDT | Tornado Warning | JAX | 23 min |
| May 24, 10:26 AM EDT | Mesoscale Discussion | SPC | 94 min |
| May 24, 10:39 AM EDT | Special Weather Statement | JAX | 51 min |
| May 24, 11:37 AM EDT | Severe Thunderstorm Warning | JAX | 38 min |
| May 24, 12:54 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 24, 1:19 PM EDT | Special Weather Statement | JAX | 26 min |
| May 24, 1:40 PM EDT | Special Weather Statement | JAX | 65 min |
| May 24, 1:52 PM EDT | Areal Flood Advisory | JAX | 3 hr |
| May 24, 2:44 PM EDT | Special Weather Statement | JAX | 46 min |
| May 24, 2:49 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 24, 3:25 PM EDT | Special Weather Statement | JAX | 35 min |
| May 30, 4:03 PM EDT | Special Weather Statement | JAX | 42 min |
| May 30, 4:35 PM EDT | Severe Thunderstorm Warning | JAX | 40 min |
| May 30, 4:43 PM EDT | Special Weather Statement | JAX | 47 min |
| May 30, 5:06 PM EDT | Severe Thunderstorm Warning | JAX | 39 min |
| May 30, 5:29 PM EDT | Areal Flood Advisory | JAX | 3 hr |
| May 30, 5:46 PM EDT | Severe Thunderstorm Warning | JAX | 44 min |
| May 30, 5:52 PM EDT | Areal Flood Advisory | JAX | 2 hr |
| May 30, 6:34 PM EDT | Areal Flood Warning | JAX | 3 hr |
| May 31, 5:09 PM EDT | Severe Thunderstorm Warning | JAX | 66 min |
| May 31, 5:42 PM EDT | Areal Flood Warning | JAX | 3 hr |
| May 31, 6:08 PM EDT | Severe Thunderstorm Warning | JAX | 52 min |
| May 31, 6:14 PM EDT | Areal Flood Advisory | JAX | 2 hr |
| May 31, 7:06 PM EDT | Areal Flood Warning | JAX | 114 min |
| Jun 1, 3:19 PM EDT | Special Weather Statement | JAX | 26 min |
| Jun 1, 3:57 PM EDT | Special Weather Statement | JAX | 33 min |
| Jun 1, 4:19 PM EDT | Severe Thunderstorm Warning | JAX | 28 min |
| Jun 1, 4:33 PM EDT | Special Weather Statement | JAX | 42 min |
| Jun 2, 5:13 PM EDT | Areal Flood Advisory | JAX | 62 min |
| Jun 6, 1:32 PM EDT | Special Weather Statement | JAX | 43 min |
| Jun 6, 2:00 PM EDT | Severe Thunderstorm Warning | JAX | 30 min |
| Jun 6, 2:06 PM EDT | Tornado Warning | JAX | 24 min |
| Jun 6, 2:14 PM EDT | Areal Flood Advisory | JAX | 2 hr |
| Jun 7, 10:27 AM EDT | Special Weather Statement | JAX | 33 min |
| Jun 13, 11:38 AM EDT | Areal Flood Advisory | JAX | 112 min |
| Jun 13, 5:02 PM EDT | Areal Flood Advisory | JAX | 118 min |
| Jun 14, 3:25 PM EDT | Special Weather Statement | JAX | 35 min |
| Jun 14, 3:55 PM EDT | Severe Thunderstorm Warning | JAX | 35 min |
| Jun 14, 4:42 PM EDT | Special Weather Statement | JAX | 48 min |
| Jun 14, 4:55 PM EDT | Severe Thunderstorm Warning | JAX | 50 min |
| Jun 17, 7:57 PM EDT | Areal Flood Advisory | JAX | 93 min |
| Jun 19, 1:25 PM EDT | Areal Flood Advisory | JAX | 2 hr |
| Jun 21, 7:38 PM EDT | Special Weather Statement | JAX | 37 min |
| Jun 25, 4:42 PM EDT | Special Weather Statement | JAX | 48 min |
| Jun 25, 5:33 PM EDT | Special Weather Statement | JAX | 42 min |
| Jun 25, 8:18 PM EDT | Areal Flood Advisory | JAX | 87 min |
| Jun 25, 9:16 PM EDT | Areal Flood Advisory | JAX | 119 min |
| Jun 25, 9:53 PM EDT | Areal Flood Warning | JAX | 112 min |
| Jun 25, 9:58 PM EDT | Flash Flood Warning | JAX | 2 hr |
| Jun 26, 3:55 PM EDT | Special Weather Statement | JAX | 50 min |
| Jun 26, 4:54 PM EDT | Severe Thunderstorm Warning | JAX | 51 min |
| Jun 26, 5:01 PM EDT | Areal Flood Warning | JAX | 119 min |
| Jun 26, 5:19 PM EDT | Severe Thunderstorm Warning | JAX | 26 min |
| Jun 26, 5:31 PM EDT | Severe Thunderstorm Warning | JAX | 59 min |
| Jun 26, 5:55 PM EDT | Areal Flood Warning | JAX | 3 hr |
| Jun 26, 6:33 PM EDT | Special Weather Statement | JAX | 42 min |
| Jun 26, 6:50 PM EDT | Areal Flood Advisory | JAX | 115 min |
| Jun 26, 7:56 PM EDT | Areal Flood Advisory | JAX | 94 min |
| Jun 27, 12:04 PM EDT | Mesoscale Discussion | SPC | 86 min |
| Jun 30, 6:35 PM EDT | Special Weather Statement | JAX | 40 min |
| Jun 30, 6:42 PM EDT | Severe Thunderstorm Warning | JAX | 37 min |
| Jul 1, 5:15 PM EDT | Special Weather Statement | JAX | 45 min |
| Jul 1, 5:45 PM EDT | Areal Flood Advisory | JAX | 90 min |
| Jul 1, 6:09 PM EDT | Severe Thunderstorm Warning | JAX | 36 min |
| Jul 1, 6:17 PM EDT | Areal Flood Advisory | JAX | 88 min |
| Jul 3, 5:15 PM EDT | Special Weather Statement | JAX | 30 min |
| Jul 3, 6:18 PM EDT | Special Weather Statement | JAX | 27 min |
| Jul 3, 6:31 PM EDT | Severe Thunderstorm Warning | JAX | 29 min |
| Jul 3, 6:59 PM EDT | Severe Thunderstorm Warning | JAX | 25 min |
| Jul 7, 7:30 PM EDT | Special Weather Statement | JAX | 15 min |
| Jul 10, 5:30 PM EDT | Severe Thunderstorm Warning | JAX | 45 min |
| Jul 10, 6:14 PM EDT | Special Weather Statement | JAX | 46 min |
| Jul 16, 2:22 PM EDT | Severe Thunderstorm Warning | JAX | 38 min |
| Jul 16, 2:41 PM EDT | Severe Thunderstorm Warning | JAX | 27 min |
| Jul 17, 1:59 PM EDT | Special Weather Statement | JAX | 46 min |
| Jul 17, 2:03 PM EDT | Special Weather Statement | JAX | 42 min |
| Jul 17, 2:28 PM EDT | Severe Thunderstorm Warning | JAX | 30 min |
| Jul 17, 2:59 PM EDT | Special Weather Statement | JAX | 46 min |
| Jul 17, 3:18 PM EDT | Severe Thunderstorm Warning | JAX | 27 min |
| Jul 18, 4:35 PM EDT | Severe Thunderstorm Warning | JAX | 40 min |
| Jul 19, 2:04 PM EDT | Special Weather Statement | JAX | 41 min |
| Jul 22, 2:46 PM EDT | Severe Thunderstorm Warning | JAX | 44 min |
| Jul 22, 3:09 PM EDT | Severe Thunderstorm Warning | JAX | 34 min |
| Jul 22, 3:16 PM EDT | Areal Flood Advisory | JAX | 59 min |
| Jul 24, 3:35 PM EDT | Special Weather Statement | JAX | 25 min |
| Jul 25, 3:01 PM EDT | Special Weather Statement | JAX | 14 min |
| Jul 25, 3:15 PM EDT | Special Weather Statement | JAX | 30 min |
| Jul 26, 5:44 PM EDT | Special Weather Statement | JAX | 46 min |
| Jul 26, 5:59 PM EDT | Severe Thunderstorm Warning | JAX | 31 min |
| Jul 27, 1:29 PM EDT | Areal Flood Advisory | JAX | 2 hr |
| Jul 29, 1:03 PM EDT | Special Weather Statement | JAX | 12 min |
| Jul 29, 3:03 PM EDT | Special Weather Statement | JAX | 42 min |
| Jul 29, 3:27 PM EDT | Severe Thunderstorm Warning | JAX | 48 min |
| Jul 29, 4:04 PM EDT | Tornado Warning | JAX | 13 min |
| Jul 29, 4:55 PM EDT | Severe Thunderstorm Warning | JAX | 50 min |
| Jul 30, 5:55 AM EDT | Areal Flood Advisory | JAX | 2 hr |
| Jul 30, 9:48 AM EDT | Areal Flood Warning | JAX | 3 hr |
| Jul 30, 10:09 AM EDT | Special Weather Statement | JAX | 36 min |
| Jul 30, 11:59 AM EDT | Areal Flood Advisory | JAX | 2 hr |
| Aug 3, 2:24 PM EDT | Special Weather Statement | JAX | 36 min |
| Aug 4, 8:04 PM EDT | Special Weather Statement | JAX | 26 min |
| Aug 4, 8:31 PM EDT | Special Weather Statement | JAX | 14 min |
| Aug 7, 1:59 PM EDT | Special Weather Statement | JAX | 46 min |
| Aug 8, 2:44 PM EDT | Special Weather Statement | JAX | 31 min |
| Aug 8, 2:46 PM EDT | Special Weather Statement | JAX | 29 min |
| Aug 8, 3:25 PM EDT | Special Weather Statement | JAX | 35 min |
| Aug 8, 8:55 PM EDT | Severe Thunderstorm Warning | JAX | 16 min |
| Aug 8, 9:18 PM EDT | Areal Flood Advisory | JAX | 3 hr |
| Aug 9, 3:27 PM EDT | Special Weather Statement | JAX | 48 min |
| Aug 9, 3:45 PM EDT | Severe Thunderstorm Warning | JAX | 30 min |
| Aug 9, 4:00 PM EDT | Areal Flood Advisory | JAX | 60 min |
| Aug 13, 2:57 PM EDT | Areal Flood Advisory | JAX | 2 hr |
| Aug 13, 4:14 PM EDT | Areal Flood Advisory | JAX | 2 hr |
| Aug 13, 4:32 PM EDT | Areal Flood Advisory | JAX | 118 min |
| Aug 16, 3:25 PM EDT | Areal Flood Advisory | JAX | 95 min |
| Aug 16, 4:07 PM EDT | Areal Flood Advisory | JAX | 83 min |
| Aug 17, 7:27 AM EDT | Areal Flood Advisory | JAX | 93 min |
| Aug 17, 12:41 PM EDT | Special Weather Statement | JAX | 49 min |
| Aug 17, 1:42 PM EDT | Special Weather Statement | JAX | 48 min |
| Aug 17, 2:30 PM EDT | Special Weather Statement | JAX | 45 min |
| Aug 18, 1:53 PM EDT | Special Weather Statement | JAX | 22 min |
| Aug 18, 2:02 PM EDT | Areal Flood Advisory | JAX | 118 min |
| Aug 18, 2:25 PM EDT | Special Weather Statement | JAX | 50 min |
| Aug 19, 5:48 PM EDT | Special Weather Statement | JAX | 42 min |
| Aug 20, 3:10 PM EDT | Severe Thunderstorm Warning | JAX | 35 min |
| Aug 31, 6:14 PM EDT | Areal Flood Advisory | JAX | 91 min |
| Aug 31, 6:21 PM EDT | Special Weather Statement | JAX | 39 min |
| Aug 31, 6:43 PM EDT | Severe Thunderstorm Warning | JAX | 32 min |
| Aug 31, 7:16 PM EDT | Special Weather Statement | JAX | 29 min |
| Sep 1, 2:28 PM EDT | Special Weather Statement | JAX | 47 min |
| Sep 1, 3:07 PM EDT | Areal Flood Advisory | JAX | 113 min |
| Sep 1, 3:12 PM EDT | Special Weather Statement | JAX | 48 min |
| Sep 1, 3:17 PM EDT | Severe Thunderstorm Warning | JAX | 28 min |
| Sep 1, 10:24 PM EDT | Special Weather Statement | JAX | 36 min |
| Sep 8, 3:41 PM EDT | Areal Flood Advisory | JAX | 94 min |
| Sep 8, 4:38 PM EDT | Areal Flood Warning | JAX | 97 min |
| Sep 10, 6:18 AM EDT | Areal Flood Warning | JAX | 6 hr |
| Sep 10, 11:57 AM EDT | Areal Flood Warning | JAX | 3 hr |
| Sep 10, 12:02 PM EDT | Tornado Watch | SPC | 13 hr |
| Sep 10, 12:09 PM EDT | Areal Flood Warning | JAX | 3 hr |
| Sep 10, 12:19 PM EDT | Tornado Warning | JAX | 22 min |
| Sep 10, 3:01 PM EDT | Mesoscale Discussion | SPC | 119 min |
| Sep 10, 4:39 PM EDT | Areal Flood Warning | JAX | 3 hr |
| Sep 10, 4:39 PM EDT | Tornado Warning | JAX | 24 min |
| Sep 10, 4:58 PM EDT | Areal Flood Warning | JAX | 3 hr |
| Sep 10, 5:21 PM EDT | Areal Flood Warning | JAX | 3 hr |
| Sep 10, 7:42 PM EDT | Tornado Warning | JAX | 33 min |
| Sep 10, 8:06 PM EDT | Areal Flood Warning | JAX | 3 hr |
| Sep 10, 8:09 PM EDT | Areal Flood Warning | JAX | 3 hr |
| Sep 10, 8:10 PM EDT | Tornado Warning | JAX | 35 min |
| Sep 10, 8:38 PM EDT | Areal Flood Warning | JAX | 3 hr |
| Sep 10, 10:33 PM EDT | Mesoscale Discussion | SPC | 87 min |
| Sep 10, 10:56 PM EDT | Areal Flood Warning | JAX | 6 hr |
| Sep 10, 11:50 PM EDT | Tornado Watch | SPC | 14 hr |
| Sep 11, 12:26 AM EDT | Areal Flood Warning | JAX | 3 hr |
| Sep 11, 12:49 AM EDT | Flash Flood Warning | JAX | 5 hr |
| Sep 11, 1:35 AM EDT | Flash Flood Warning | JAX | 3 hr |
| Sep 11, 2:10 AM EDT | Flash Flood Warning | JAX | 3 hr |
| Sep 11, 2:31 AM EDT | Flash Flood Warning | JAX | 3 hr |
| Sep 11, 2:41 AM EDT | Flash Flood Warning | JAX | 3 hr |
| Sep 11, 4:58 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 11, 5:34 AM EDT | Flash Flood Warning | JAX | 3 hr |
| Sep 11, 8:23 AM EDT | Areal Flood Warning | JAX | 3 hr |
| Sep 11, 8:49 AM EDT | Mesoscale Discussion | SPC | 116 min |
| Sep 11, 12:19 PM EDT | Flash Flood Warning | JAX | 6 hr |
| Sep 22, 12:32 PM EDT | Special Weather Statement | JAX | 28 min |
| Sep 23, 11:45 AM EDT | Special Weather Statement | JAX | 30 min |
| Sep 30, 2:05 PM EDT | Areal Flood Advisory | JAX | 55 min |
| Sep 30, 3:22 PM EDT | Areal Flood Advisory | JAX | 113 min |
| Sep 30, 4:53 PM EDT | Areal Flood Warning | JAX | 3 hr |
| Oct 1, 4:55 AM EDT | Special Weather Statement | JAX | 35 min |
| Oct 1, 5:12 AM EDT | Areal Flood Advisory | JAX | 3 hr |
| Oct 1, 5:51 AM EDT | Areal Flood Warning | JAX | 3 hr |
| Oct 1, 6:29 AM EDT | Areal Flood Warning | JAX | 3 hr |
| Oct 1, 9:10 AM EDT | Areal Flood Advisory | JAX | 50 min |
| Oct 1, 9:54 AM EDT | Areal Flood Warning | JAX | 111 min |
| Oct 1, 1:54 PM EDT | Areal Flood Advisory | JAX | 66 min |
| Oct 1, 2:31 PM EDT | Areal Flood Warning | JAX | 3 hr |
| Oct 1, 2:41 PM EDT | Areal Flood Warning | JAX | 3 hr |
| Oct 1, 4:16 PM EDT | Areal Flood Warning | JAX | 6 hr |
| Oct 1, 4:46 PM EDT | Areal Flood Warning | JAX | 6 hr |
| Oct 1, 5:41 PM EDT | Areal Flood Advisory | JAX | 3 hr |
| Oct 1, 10:18 PM EDT | Areal Flood Warning | JAX | 6 hr |
| Oct 2, 4:02 AM EDT | Areal Flood Warning | JAX | 6 hr |
| Oct 16, 10:13 PM EDT | Special Weather Statement | JAX | 47 min |
| Oct 16, 10:52 PM EDT | Areal Flood Advisory | JAX | 3 hr |
| Oct 16, 11:20 PM EDT | Areal Flood Advisory | JAX | 3 hr |
| Oct 17, 1:00 AM EDT | Areal Flood Advisory | JAX | 2 hr |
| Oct 17, 2:19 AM EDT | Areal Flood Advisory | JAX | 116 min |
| Oct 17, 2:32 AM EDT | Areal Flood Warning | JAX | 118 min |
| Oct 19, 5:38 AM EDT | Areal Flood Advisory | JAX | 2 hr |
| Oct 19, 7:54 AM EDT | Areal Flood Advisory | JAX | 111 min |
| Oct 23, 5:34 PM EDT | Special Weather Statement | JAX | 41 min |
| Oct 23, 6:36 PM EDT | Special Weather Statement | JAX | 39 min |
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 | 50 |
| Tornado Warning | 12 |
| Severe Thunderstorm Watch | 1 |
| Tornado Watch | 5 |
| Mesoscale Discussion | 14 |
| Special Weather Statement | 80 |
| Flooding | |
| Areal Flood Warning | 31 |
| Flash Flood Warning | 8 |
| Areal Flood Advisory | 50 |
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. Rebuilt daily.