Alert archive / Mississippi / Leake County
Weather alerts in Leake County, Mississippi, 2023
226 weather alerts in 2023, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Leake County and its neighbors
Each county as a circle sized by its count in 2023. Tap one for its archive.
- Alerts
- 226
- Warnings
- 90
- Watches
- 36
- Advisories
- 30
- Busiest month
- June83 alerts
- Busiest day
- June 15, 202315 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
2 of 3 tornado warnings covering Leake County in 2023 had a tornado report inside them; 1 of 1 tornado reports fell inside a warning, on average 0 minutes after it went out.
Leake County, 2023
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 3 | 2 | 33% | 1 | 100% | 0 min |
| Severe thunderstorm warnings | 42 | 25 | 40% | 18 | 94% | 24 min |
| Flash flood warnings | 4 | 4 | 0% | 3 | 0% |
Each office's whole area, 2023
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Jackson, MS: tornado warnings | 67 | 31 | 54% | 88 | 80% | 19 min |
| NWS Jackson, MS: severe thunderstorm warnings | 595 | 288 | 52% | 926 | 76% | 26 min |
| NWS Jackson, MS: flash flood warnings | 55 | 27 | 51% | 86 | 83% | 85 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 1, 1:55 PM CST | Dense Fog Advisory | JAN | 20 hr |
| Jan 3, 7:56 AM CST | Mesoscale Discussion | SPC | 2 hr |
| Jan 3, 9:14 AM CST | Tornado Watch | SPC | 8 hr |
| Jan 3, 5:01 PM CST | Severe Thunderstorm Watch | SPC | 9 hr |
| Jan 3, 5:35 PM CST | Special Weather Statement | JAN | 55 min |
| Jan 3, 6:01 PM CST | Severe Thunderstorm Warning | JAN | 59 min |
| Jan 3, 9:19 PM CST | Mesoscale Discussion | SPC | 86 min |
| Jan 3, 9:27 PM CST | Severe Thunderstorm Warning | JAN | 48 min |
| Jan 8, 4:22 AM CST | Flash Flood Warning | JAN | 3 hr |
| Jan 9, 2:30 AM CST | Dense Fog Advisory | JAN | 7 hr |
| Jan 12, 3:07 AM CST | Mesoscale Discussion | SPC | 3 hr |
| Jan 12, 6:38 AM CST | Mesoscale Discussion | SPC | 2 hr |
| Jan 12, 6:40 AM CST | Severe Thunderstorm Warning | JAN | 65 min |
| Jan 12, 6:59 AM CST | Tornado Watch | SPC | 7 hr |
| Jan 12, 7:10 AM CST | Severe Thunderstorm Warning | JAN | 65 min |
| Jan 12, 7:19 AM CST | Severe Thunderstorm Warning | JAN | 56 min |
| Jan 12, 7:30 AM CST | Severe Thunderstorm Warning | JAN | 45 min |
| Jan 17, 10:02 PM CST | Dense Fog Advisory | JAN | 12 hr |
| Jan 18, 2:34 PM CST | Tornado Watch | SPC | 7 hr |
| Jan 18, 8:02 PM CST | Mesoscale Discussion | SPC | 58 min |
| Jan 18, 9:25 PM CST | Special Weather Statement | JAN | 65 min |
| Jan 23, 2:39 PM CST | Wind Advisory | JAN | 36 hr |
| Jan 25, 2:23 PM CST | River Flood Warning | JAN | 6 hr |
| Jan 31, 9:49 AM CST | River Flood Warning | JAN | 5 days |
| Feb 1, 11:01 AM CST | River Flood Warning | JAN | 21 days |
| Feb 1, 11:01 AM CST | River Flood Warning | JAN | 5 days |
| Feb 1, 11:01 AM CST | River Flood Warning | JAN | 9 days |
| Feb 8, 9:29 AM CST | River Flood Warning | JAN | 7 days |
| Feb 8, 4:34 PM CST | Mesoscale Discussion | SPC | 56 min |
| Feb 8, 4:52 PM CST | Tornado Watch | SPC | 6 hr |
| Feb 8, 9:48 PM CST | Special Weather Statement | JAN | 27 min |
| Feb 11, 7:50 PM CST | River Flood Warning | JAN | 9 days |
| Feb 12, 8:23 AM CST | River Flood Warning | JAN | 48 hr |
| Feb 12, 8:24 AM CST | River Flood Warning | JAN | 48 hr |
| Feb 15, 5:41 PM CST | Mesoscale Discussion | SPC | 3 hr |
| Feb 16, 9:59 AM CST | Tornado Watch | SPC | 9 hr |
| Feb 16, 11:37 AM CST | Mesoscale Discussion | SPC | 83 min |
| Feb 21, 1:21 PM CST | Wind Advisory | JAN | 29 hr |
| Feb 26, 4:46 AM CST | Wind Advisory | JAN | 37 hr |
| Feb 26, 6:02 AM CST | Dense Fog Advisory | JAN | 3 hr |
| Mar 2, 4:03 AM CST | Wind Advisory | JAN | 38 hr |
| Mar 3, 7:06 AM CST | Mesoscale Discussion | SPC | 84 min |
| Mar 3, 8:26 AM CST | Severe Thunderstorm Warning | JAN | 54 min |
| Mar 12, 12:04 AM CST | Severe Thunderstorm Watch | SPC | 4 hr |
| Mar 12, 3:00 AM CDT | Severe Thunderstorm Warning | JAN | 45 min |
| Mar 12, 3:20 AM CDT | Mesoscale Discussion | SPC | 55 min |
| Mar 12, 3:43 AM CDT | Severe Thunderstorm Warning | JAN | 62 min |
| Mar 12, 2:28 PM CDT | Freeze Watch | JAN | 37 hr |
| Mar 13, 3:30 AM CDT | Freeze Warning | JAN | 30 hr |
| Mar 14, 3:25 AM CDT | Freeze Warning | JAN | 30 hr |
| Mar 17, 3:31 AM CDT | Freeze Watch | JAN | 24 hr |
| Mar 18, 3:14 AM CDT | Freeze Watch | JAN | 11 hr |
| Mar 18, 3:14 AM CDT | Freeze Warning | JAN | 31 hr |
| Mar 18, 2:09 PM CDT | Freeze Warning | JAN | 44 hr |
| Mar 19, 1:39 PM CDT | Freeze Watch | JAN | 25 hr |
| Mar 24, 1:46 PM CDT | Wind Advisory | JAN | 10 hr |
| Mar 24, 5:20 PM CDT | Tornado Watch | SPC | 8 hr |
| Mar 24, 6:06 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Mar 25, 12:48 AM CDT | Special Weather Statement | JAN | 42 min |
| Mar 26, 2:37 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Mar 26, 3:02 AM CDT | Severe Thunderstorm Warning | JAN | 43 min |
| Mar 26, 4:01 AM CDT | Mesoscale Discussion | SPC | 119 min |
| Mar 26, 3:06 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Mar 26, 3:57 PM CDT | Tornado Watch | SPC | 7 hr |
| Mar 26, 7:16 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Mar 27, 6:00 AM CDT | River Flood Warning | JAN | 58 hr |
| Apr 1, 2:03 AM CDT | Mesoscale Discussion | SPC | 87 min |
| Apr 1, 2:40 AM CDT | Tornado Watch | SPC | 4 hr |
| Apr 1, 2:54 AM CDT | Special Weather Statement | JAN | 66 min |
| Apr 5, 2:17 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Apr 5, 2:39 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Apr 8, 9:14 AM CDT | River Flood Warning | JAN | 3 days |
| Apr 9, 8:45 AM CDT | River Flood Warning | JAN | 6 days |
| Apr 9, 8:46 AM CDT | River Flood Warning | JAN | 8 days |
| Apr 13, 9:07 PM CDT | River Flood Warning | JAN | 71 hr |
| Apr 16, 12:29 AM CDT | Severe Thunderstorm Warning | JAN | 47 min |
| Apr 27, 5:12 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 27, 6:57 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 29, 3:26 PM CDT | Special Weather Statement | JAN | 49 min |
| May 7, 5:08 PM CDT | Mesoscale Discussion | SPC | 97 min |
| May 11, 12:22 PM CDT | Mesoscale Discussion | SPC | 53 min |
| May 11, 12:45 PM CDT | Tornado Watch | SPC | 7 hr |
| May 11, 2:36 PM CDT | Severe Thunderstorm Warning | JAN | 54 min |
| May 11, 2:43 PM CDT | Severe Thunderstorm Warning | JAN | 62 min |
| May 11, 3:02 PM CDT | Mesoscale Discussion | SPC | 88 min |
| May 12, 3:14 PM CDT | Severe Thunderstorm Warning | JAN | 46 min |
| May 12, 3:45 PM CDT | Severe Thunderstorm Warning | JAN | 45 min |
| Jun 5, 2:41 PM CDT | Special Weather Statement | JAN | 34 min |
| Jun 5, 3:00 PM CDT | Severe Thunderstorm Warning | JAN | 60 min |
| Jun 5, 3:51 PM CDT | Special Weather Statement | JAN | 24 min |
| Jun 10, 4:17 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 10, 4:18 PM CDT | Severe Thunderstorm Warning | JAN | 42 min |
| Jun 10, 5:34 PM CDT | Special Weather Statement | JAN | 56 min |
| Jun 10, 6:19 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Jun 11, 5:17 PM CDT | Mesoscale Discussion | SPC | 58 min |
| Jun 11, 7:42 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Jun 11, 9:56 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 13, 9:30 AM CDT | Mesoscale Discussion | SPC | 60 min |
| Jun 14, 2:50 AM CDT | Flood Watch | JAN | 32 hr |
| Jun 14, 4:38 AM CDT | Severe Thunderstorm Watch | SPC | 3 hr |
| Jun 14, 1:33 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Jun 14, 1:46 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 14, 1:58 PM CDT | Severe Thunderstorm Warning | JAN | 62 min |
| Jun 14, 2:54 PM CDT | Severe Thunderstorm Warning | JAN | 51 min |
| Jun 14, 3:22 PM CDT | Severe Thunderstorm Warning | JAN | 53 min |
| Jun 14, 3:25 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Jun 14, 7:10 PM CDT | Mesoscale Discussion | SPC | 65 min |
| Jun 14, 7:33 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 14, 9:21 PM CDT | Severe Thunderstorm Warning | JAN | 54 min |
| Jun 14, 9:37 PM CDT | Mesoscale Discussion | SPC | 113 min |
| Jun 14, 10:10 PM CDT | Severe Thunderstorm Warning | JAN | 50 min |
| Jun 14, 10:37 PM CDT | Severe Thunderstorm Warning | JAN | 38 min |
| Jun 14, 11:17 PM CDT | Severe Thunderstorm Warning | JAN | 73 min |
| Jun 15, 1:18 AM CDT | Severe Thunderstorm Warning | JAN | 72 min |
| Jun 15, 1:35 AM CDT | Mesoscale Discussion | SPC | 115 min |
| Jun 15, 3:15 AM CDT | Severe Thunderstorm Warning | JAN | 90 min |
| Jun 15, 6:30 AM CDT | Severe Thunderstorm Warning | JAN | 77 min |
| Jun 15, 6:46 AM CDT | Mesoscale Discussion | SPC | 119 min |
| Jun 15, 8:27 AM CDT | Special Weather Statement | JAN | 63 min |
| Jun 15, 9:07 AM CDT | Flash Flood Warning | JAN | 5 hr |
| Jun 15, 12:52 PM CDT | River Flood Warning | JAN | 7 days |
| Jun 16, 1:52 AM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 16, 5:27 AM CDT | Severe Thunderstorm Warning | JAN | 78 min |
| Jun 16, 4:35 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Jun 16, 4:52 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 16, 8:40 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 18, 2:27 AM CDT | Severe Thunderstorm Watch | SPC | 10 hr |
| Jun 18, 5:04 AM CDT | Special Weather Statement | JAN | 56 min |
| Jun 18, 5:04 AM CDT | Special Weather Statement | JAN | 41 min |
| Jun 18, 5:21 AM CDT | Mesoscale Discussion | SPC | 114 min |
| Jun 18, 5:53 AM CDT | Severe Thunderstorm Warning | JAN | 52 min |
| Jun 18, 9:55 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 18, 1:45 PM CDT | Flood Watch | JAN | 17 hr |
| Jun 18, 4:07 PM CDT | River Flood Warning | JAN | 3 days |
| Jun 18, 4:07 PM CDT | River Flood Warning | JAN | 21 days |
| Jun 18, 6:52 PM CDT | Tornado Watch | SPC | 6 hr |
| Jun 18, 7:27 PM CDT | Severe Thunderstorm Warning | JAN | 78 min |
| Jun 18, 7:38 PM CDT | Tornado Warning | JAN | 67 min |
| Jun 18, 8:35 PM CDT | Tornado Warning | JAN | 22 min |
| Jun 18, 8:36 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Jun 18, 8:56 PM CDT | Severe Thunderstorm Warning | JAN | 79 min |
| Jun 18, 9:43 PM CDT | Severe Thunderstorm Warning | JAN | 77 min |
| Jun 18, 10:48 PM CDT | Mesoscale Discussion | SPC | 117 min |
| Jun 18, 11:00 PM CDT | Severe Thunderstorm Warning | JAN | 60 min |
| Jun 19, 12:54 AM CDT | Flash Flood Warning | JAN | 3 hr |
| Jun 19, 12:57 AM CDT | Tornado Watch | SPC | 7 hr |
| Jun 19, 1:08 AM CDT | Special Weather Statement | JAN | 37 min |
| Jun 19, 1:24 AM CDT | Flash Flood Warning | JAN | 2 hr |
| Jun 19, 9:47 AM CDT | River Flood Warning | JAN | 4 days |
| Jun 19, 9:49 AM CDT | River Flood Warning | JAN | 21 days |
| Jun 24, 3:34 AM CDT | Heat Advisory | JAN | 40 hr |
| Jun 25, 2:20 PM CDT | Heat Advisory | JAN | 30 hr |
| Jun 25, 6:51 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 25, 8:49 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Jun 25, 9:22 PM CDT | Severe Thunderstorm Warning | JAN | 83 min |
| Jun 25, 9:57 PM CDT | Special Weather Statement | JAN | 33 min |
| Jun 25, 10:55 PM CDT | Severe Thunderstorm Warning | JAN | 95 min |
| Jun 26, 2:29 PM CDT | Heat Advisory | JAN | 30 hr |
| Jun 27, 4:28 AM CDT | Excessive Heat Watch | JAN | 24 hr |
| Jun 27, 4:27 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Jun 27, 4:39 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jun 28, 4:23 AM CDT | Excessive Heat Warning | JAN | 41 hr |
| Jun 28, 4:23 AM CDT | Heat Advisory | JAN | 17 hr |
| Jun 29, 3:51 AM CDT | Excessive Heat Warning | JAN | 41 hr |
| Jun 29, 3:05 PM CDT | Excessive Heat Warning | JAN | 54 hr |
| Jun 30, 3:50 PM CDT | Severe Thunderstorm Warning | JAN | 40 min |
| Jun 30, 4:26 PM CDT | Special Weather Statement | JAN | 34 min |
| Jun 30, 5:18 PM CDT | Special Weather Statement | JAN | 42 min |
| Jun 30, 5:47 PM CDT | Severe Thunderstorm Warning | JAN | 43 min |
| Jun 30, 5:55 PM CDT | Severe Thunderstorm Warning | JAN | 28 min |
| Jul 1, 3:09 AM CDT | Heat Advisory | JAN | 42 hr |
| Jul 3, 12:48 PM CDT | Mesoscale Discussion | SPC | 117 min |
| Jul 4, 1:22 PM CDT | Mesoscale Discussion | SPC | 113 min |
| Jul 5, 9:15 PM CDT | Special Weather Statement | JAN | 30 min |
| Jul 12, 2:53 PM CDT | Flood Watch | JAN | 24 hr |
| Jul 12, 8:56 PM CDT | River Flood Warning | JAN | 12 hr |
| Jul 13, 2:31 PM CDT | River Flood Warning | JAN | 7 days |
| Jul 13, 2:31 PM CDT | River Flood Warning | JAN | 8 days |
| Jul 13, 3:21 PM CDT | Heat Advisory | JAN | 29 hr |
| Jul 14, 12:14 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 14, 2:19 PM CDT | Heat Advisory | JAN | 30 hr |
| Jul 14, 8:17 PM CDT | River Flood Warning | JAN | 36 hr |
| Jul 17, 1:57 PM CDT | Heat Advisory | JAN | 30 hr |
| Jul 18, 9:11 AM CDT | River Flood Warning | JAN | 24 hr |
| Jul 18, 2:44 PM CDT | Excessive Heat Warning | JAN | 30 hr |
| Jul 18, 2:44 PM CDT | Heat Advisory | JAN | 30 hr |
| Jul 19, 2:28 PM CDT | Heat Advisory | JAN | 53 hr |
| Jul 20, 4:26 AM CDT | Excessive Heat Warning | JAN | 39 hr |
| Jul 28, 1:33 PM CDT | Heat Advisory | JAN | 30 hr |
| Jul 29, 2:56 PM CDT | Heat Advisory | JAN | 29 hr |
| Jul 29, 4:15 PM CDT | Special Weather Statement | JAN | 30 min |
| Jul 30, 2:35 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 30, 3:30 PM CDT | Heat Advisory | JAN | 29 hr |
| Jul 30, 4:32 PM CDT | Severe Thunderstorm Warning | JAN | 48 min |
| Jul 31, 2:30 PM CDT | Excessive Heat Warning | JAN | 7 days |
| Jul 31, 2:30 PM CDT | Heat Advisory | JAN | 4 days |
| Aug 4, 12:56 PM CDT | Special Weather Statement | JAN | 79 min |
| Aug 8, 7:40 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 8, 2:37 PM CDT | Heat Advisory | JAN | 45 hr |
| Aug 9, 3:54 AM CDT | Excessive Heat Warning | JAN | 6 days |
| Aug 10, 12:02 PM CDT | Heat Advisory | JAN | 8 hr |
| Aug 10, 3:24 PM CDT | Heat Advisory | JAN | 29 hr |
| Aug 18, 2:56 PM CDT | Heat Advisory | JAN | 5 days |
| Aug 22, 3:26 AM CDT | Excessive Heat Warning | JAN | 5 days |
| Aug 25, 2:54 PM CDT | Special Weather Statement | JAN | 36 min |
| Aug 25, 3:54 PM CDT | Special Weather Statement | JAN | 36 min |
| Aug 26, 2:11 PM CDT | Heat Advisory | JAN | 31 hr |
| Sep 1, 4:35 PM CDT | Special Weather Statement | JAN | 55 min |
| Sep 6, 12:44 PM CDT | Severe Thunderstorm Warning | JAN | 26 min |
| Sep 6, 10:01 PM CDT | Severe Thunderstorm Warning | JAN | 44 min |
| Sep 26, 4:34 AM CDT | Dense Fog Advisory | JAN | 5 hr |
| Oct 5, 3:17 PM CDT | Red Flag Warning | JAN | 52 hr |
| Oct 30, 2:08 PM CDT | Red Flag Warning | JAN | 29 hr |
| Oct 30, 2:53 PM CDT | Freeze Warning | JAN | 42 hr |
| Oct 31, 1:08 PM CDT | Red Flag Warning | JAN | 30 hr |
| Nov 1, 3:25 AM CDT | Freeze Warning | JAN | 30 hr |
| Nov 7, 12:58 PM CST | Dense Fog Advisory | JAN | 20 hr |
| Nov 20, 3:14 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Nov 20, 3:52 PM CST | Tornado Watch | SPC | 9 hr |
| Nov 20, 6:18 PM CST | Severe Thunderstorm Warning | JAN | 57 min |
| Nov 20, 6:36 PM CST | Tornado Warning | JAN | 54 min |
| Dec 9, 3:00 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Dec 9, 3:56 PM CST | Tornado Watch | SPC | 8 hr |
| Dec 9, 5:56 PM CST | Mesoscale Discussion | SPC | 94 min |
| Dec 9, 8:29 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Dec 9, 8:31 PM CST | Special Weather Statement | JAN | 29 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 | 42 |
| Tornado Warning | 3 |
| Severe Thunderstorm Watch | 15 |
| Tornado Watch | 13 |
| Mesoscale Discussion | 47 |
| Special Weather Statement | 23 |
| Flooding | |
| Flash Flood Warning | 4 |
| River Flood Warning | 24 |
| Flood Watch | 3 |
| Heat | |
| Excessive Heat Warning | 8 |
| Excessive Heat Watch | 1 |
| Heat Advisory | 19 |
| Cold | |
| Freeze Warning | 6 |
| Freeze Watch | 4 |
| Wind and dust | |
| Wind Advisory | 5 |
| Fire | |
| Red Flag Warning | 3 |
| Fog and smoke | |
| Dense Fog Advisory | 6 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20222024
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.