Alert archive / Arkansas / Madison County
Weather alerts in Madison County, Arkansas, 2020
151 weather alerts in 2020, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Madison County and its neighbors
Each county as a circle sized by its count in 2020. Tap one for its archive.
- Alerts
- 151
- Warnings
- 40
- Watches
- 21
- Advisories
- 39
- Busiest month
- May26 alerts
- Busiest day
- March 19, 20209 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
0 of 2 tornado warnings covering Madison County in 2020 had a tornado report inside them.
Madison County, 2020
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 2 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 18 | 7 | 61% | 2 | 100% | 16 min |
| Flash flood warnings | 5 | 3 | 40% | 0 |
Each office's whole area, 2020
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Tulsa, OK: tornado warnings | 51 | 8 | 84% | 18 | 61% | 22 min |
| NWS Tulsa, OK: severe thunderstorm warnings | 391 | 154 | 61% | 385 | 84% | 24 min |
| NWS Tulsa, OK: flash flood warnings | 44 | 18 | 59% | 54 | 57% | 121 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 9, 3:51 AM CST | Flash Flood Watch | TSA | 47 hr |
| Jan 10, 10:42 AM CST | Tornado Watch | SPC | 10 hr |
| Jan 10, 3:50 PM CST | Areal Flood Advisory | TSA | 3 hr |
| Jan 10, 4:02 PM CST | Winter Weather Advisory | TSA | 23 hr |
| Jan 10, 4:55 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Jan 10, 5:01 PM CST | Tornado Warning | TSA | 44 min |
| Jan 10, 5:10 PM CST | Severe Thunderstorm Warning | TSA | 48 min |
| Jan 10, 6:16 PM CST | Flash Flood Warning | TSA | 6 hr |
| Jan 10, 6:37 PM CST | Flash Flood Warning | TSA | 6 hr |
| Jan 10, 7:30 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Jan 10, 7:39 PM CST | Special Weather Statement | TSA | 36 min |
| Jan 11, 12:06 AM CST | Areal Flood Warning | TSA | 6 hr |
| Jan 11, 12:25 AM CST | Areal Flood Warning | TSA | 6 hr |
| Jan 13, 9:21 PM CST | Dense Fog Advisory | TSA | 13 hr |
| Jan 17, 2:41 AM CST | Winter Weather Advisory | TSA | 7 hr |
| Jan 21, 1:17 PM CST | Winter Weather Advisory | TSA | 47 hr |
| Jan 23, 2:29 PM CST | Winter Weather Advisory | TSA | 18 hr |
| Jan 26, 9:06 PM CST | Dense Fog Advisory | TSA | 12 hr |
| Feb 3, 3:33 PM CST | Winter Storm Watch | TSA | 23 hr |
| Feb 4, 2:45 PM CST | Winter Weather Advisory | TSA | 33 hr |
| Mar 8, 12:11 PM CDT | Red Flag Warning | TSA | 6 hr |
| Mar 11, 4:27 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 11, 6:16 AM CDT | Special Weather Statement | TSA | 44 min |
| Mar 11, 6:28 AM CDT | Severe Thunderstorm Warning | TSA | 47 min |
| Mar 11, 7:12 AM CDT | Severe Thunderstorm Warning | TSA | 33 min |
| Mar 18, 4:19 PM CDT | Flash Flood Watch | TSA | 27 hr |
| Mar 19, 10:55 AM CDT | Special Weather Statement | TSA | 35 min |
| Mar 19, 11:02 AM CDT | Severe Thunderstorm Warning | TSA | 28 min |
| Mar 19, 11:05 AM CDT | Mesoscale Discussion | SPC | 115 min |
| Mar 19, 11:15 AM CDT | Areal Flood Advisory | TSA | 3 hr |
| Mar 19, 12:14 PM CDT | Flash Flood Warning | TSA | 6 hr |
| Mar 19, 2:24 PM CDT | Tornado Watch | SPC | 8 hr |
| Mar 19, 5:31 PM CDT | Severe Thunderstorm Warning | TSA | 44 min |
| Mar 19, 6:10 PM CDT | Tornado Warning | TSA | 5 min |
| Mar 19, 6:20 PM CDT | Areal Flood Warning | TSA | 6 hr |
| Mar 20, 3:50 PM CDT | Freeze Warning | TSA | 18 hr |
| Mar 24, 2:15 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 24, 8:10 AM CDT | Special Weather Statement | TSA | 50 min |
| Mar 25, 3:23 AM CDT | Dense Fog Advisory | TSA | 8 hr |
| Apr 12, 1:19 PM CDT | Freeze Warning | TSA | 20 hr |
| Apr 12, 4:44 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 12, 6:14 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Apr 13, 2:22 PM CDT | Freeze Warning | TSA | 19 hr |
| Apr 14, 2:39 PM CDT | Freeze Warning | TSA | 18 hr |
| Apr 17, 1:54 PM CDT | Freeze Warning | TSA | 19 hr |
| Apr 19, 10:31 PM CDT | Dense Fog Advisory | TSA | 12 hr |
| Apr 20, 6:25 PM CDT | Severe Thunderstorm Warning | TSA | 50 min |
| Apr 20, 7:02 PM CDT | Severe Thunderstorm Warning | TSA | 58 min |
| Apr 22, 8:53 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 24, 3:44 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 24, 6:40 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 24, 8:07 PM CDT | Severe Thunderstorm Warning | TSA | 68 min |
| Apr 24, 8:46 PM CDT | Severe Thunderstorm Warning | TSA | 29 min |
| Apr 28, 1:55 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Apr 28, 3:18 PM CDT | Tornado Watch | SPC | 8 hr |
| Apr 28, 6:15 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 28, 7:37 PM CDT | Severe Thunderstorm Warning | TSA | 53 min |
| Apr 28, 8:18 PM CDT | Severe Thunderstorm Warning | TSA | 57 min |
| Apr 28, 8:29 PM CDT | Special Weather Statement | TSA | 31 min |
| May 4, 9:00 AM CDT | Mesoscale Discussion | SPC | 90 min |
| May 4, 9:57 AM CDT | Severe Thunderstorm Warning | TSA | 63 min |
| May 4, 10:38 AM CDT | Mesoscale Discussion | SPC | 97 min |
| May 4, 10:59 AM CDT | Severe Thunderstorm Warning | TSA | 61 min |
| May 4, 2:32 PM CDT | Tornado Watch | SPC | 9 hr |
| May 4, 6:42 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 4, 9:29 PM CDT | Mesoscale Discussion | SPC | 61 min |
| May 7, 7:41 PM CDT | Special Weather Statement | TSA | 49 min |
| May 8, 2:16 PM CDT | Frost Advisory | TSA | 18 hr |
| May 14, 1:41 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 15, 5:03 AM CDT | Special Weather Statement | TSA | 42 min |
| May 15, 5:44 AM CDT | Special Weather Statement | TSA | 46 min |
| May 15, 2:40 PM CDT | Areal Flood Advisory | TSA | 2 hr |
| May 22, 9:15 AM CDT | Mesoscale Discussion | SPC | 90 min |
| May 22, 10:15 AM CDT | Special Weather Statement | TSA | 30 min |
| May 22, 10:53 AM CDT | Special Weather Statement | TSA | 37 min |
| May 24, 2:46 PM CDT | Special Weather Statement | TSA | 44 min |
| May 24, 2:58 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 25, 2:57 AM CDT | Flash Flood Watch | TSA | 25 hr |
| May 25, 6:14 PM CDT | Tornado Watch | SPC | 5 hr |
| May 25, 8:21 PM CDT | Mesoscale Discussion | SPC | 114 min |
| May 25, 9:04 PM CDT | Special Weather Statement | TSA | 41 min |
| May 25, 9:46 PM CDT | Areal Flood Warning | TSA | 6 hr |
| May 25, 9:55 PM CDT | Special Weather Statement | TSA | 50 min |
| May 27, 7:13 PM CDT | Special Weather Statement | TSA | 32 min |
| May 27, 11:33 PM CDT | Dense Fog Advisory | TSA | 9 hr |
| Jun 4, 5:44 AM CDT | Mesoscale Discussion | SPC | 61 min |
| Jun 4, 6:15 AM CDT | Special Weather Statement | TSA | 45 min |
| Jun 4, 6:50 AM CDT | Special Weather Statement | TSA | 25 min |
| Jun 4, 9:06 AM CDT | Areal Flood Advisory | TSA | 3 hr |
| Jun 7, 2:58 AM CDT | Flash Flood Watch | TSA | 48 hr |
| Jun 8, 2:43 PM CDT | Wind Advisory | TSA | 40 hr |
| Jun 21, 6:12 AM CDT | Dense Fog Advisory | TSA | 3 hr |
| Jun 30, 2:36 AM CDT | Heat Advisory | TSA | 65 hr |
| Jul 2, 4:44 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 2, 6:48 PM CDT | Special Weather Statement | TSA | 27 min |
| Jul 2, 7:15 PM CDT | Severe Thunderstorm Warning | TSA | 45 min |
| Jul 4, 7:05 PM CDT | Areal Flood Advisory | TSA | 3 hr |
| Jul 9, 1:09 AM CDT | Severe Thunderstorm Watch | SPC | 11 hr |
| Jul 9, 7:16 AM CDT | Mesoscale Discussion | SPC | 119 min |
| Jul 9, 10:18 AM CDT | Severe Thunderstorm Warning | TSA | 57 min |
| Jul 9, 10:29 AM CDT | Special Weather Statement | TSA | 61 min |
| Jul 9, 10:46 AM CDT | Mesoscale Discussion | SPC | 119 min |
| Jul 11, 1:05 PM CDT | Heat Advisory | TSA | 8 hr |
| Jul 11, 6:08 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 16, 12:26 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 28, 3:04 PM CDT | Flood Watch | TSA | 37 hr |
| Jul 29, 9:53 AM CDT | Areal Flood Advisory | TSA | 52 min |
| Aug 2, 6:26 PM CDT | Special Weather Statement | TSA | 34 min |
| Aug 7, 9:54 AM CDT | Areal Flood Advisory | TSA | 3 hr |
| Aug 7, 11:16 AM CDT | Flash Flood Warning | TSA | 3 hr |
| Aug 10, 4:50 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Aug 11, 11:33 AM CDT | Flash Flood Watch | TSA | 16 hr |
| Aug 11, 2:25 PM CDT | Areal Flood Advisory | TSA | 65 min |
| Aug 15, 2:00 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 28, 5:42 AM CDT | Dense Fog Advisory | TSA | 3 hr |
| Aug 29, 3:14 AM CDT | Flash Flood Watch | TSA | 28 hr |
| Aug 29, 11:39 AM CDT | Special Weather Statement | TSA | 51 min |
| Aug 29, 11:43 AM CDT | Severe Thunderstorm Warning | TSA | 41 min |
| Aug 29, 11:56 AM CDT | Mesoscale Discussion | SPC | 94 min |
| Aug 29, 12:25 PM CDT | Special Weather Statement | TSA | 35 min |
| Aug 29, 6:48 PM CDT | Special Weather Statement | TSA | 27 min |
| Aug 31, 2:06 PM CDT | Flash Flood Watch | TSA | 55 hr |
| Sep 1, 3:28 AM CDT | Flash Flood Warning | TSA | 3 hr |
| Sep 1, 6:00 AM CDT | Areal Flood Warning | TSA | 5 hr |
| Sep 3, 1:47 AM CDT | Dense Fog Advisory | TSA | 7 hr |
| Sep 13, 12:27 AM CDT | Dense Fog Advisory | TSA | 9 hr |
| Sep 23, 9:12 PM CDT | Dense Fog Advisory | TSA | 13 hr |
| Sep 25, 7:49 AM CDT | Dense Fog Advisory | TSA | 2 hr |
| Oct 15, 2:49 AM CDT | Frost Advisory | TSA | 30 hr |
| Oct 17, 4:03 AM CDT | Wind Advisory | TSA | 13 hr |
| Oct 28, 2:57 AM CDT | Flood Watch | TSA | 34 hr |
| Oct 28, 12:37 PM CDT | Areal Flood Advisory | TSA | 3 hr |
| Oct 28, 4:46 PM CDT | Areal Flood Advisory | TSA | 4 hr |
| Oct 29, 2:15 PM CDT | Freeze Warning | TSA | 19 hr |
| Nov 1, 12:51 PM CST | Freeze Warning | TSA | 19 hr |
| Nov 10, 1:37 PM CST | Freeze Warning | TSA | 19 hr |
| Nov 12, 1:18 PM CST | Frost Advisory | TSA | 20 hr |
| Nov 14, 4:46 PM CST | Mesoscale Discussion | SPC | 29 min |
| Nov 14, 5:14 PM CST | Tornado Watch | SPC | 8 hr |
| Nov 14, 7:34 PM CST | Mesoscale Discussion | SPC | 86 min |
| Nov 14, 9:25 PM CST | Special Weather Statement | TSA | 35 min |
| Nov 14, 9:49 PM CST | Severe Thunderstorm Warning | TSA | 41 min |
| Nov 14, 10:11 PM CST | Severe Thunderstorm Warning | TSA | 49 min |
| Nov 18, 1:54 PM CST | Wind Advisory | TSA | 28 hr |
| Nov 23, 12:10 AM CST | Dense Fog Advisory | TSA | 9 hr |
| Nov 26, 1:42 AM CST | Dense Fog Advisory | TSA | 8 hr |
| Dec 12, 3:41 AM CST | Winter Weather Advisory | TSA | 42 hr |
| Dec 12, 9:20 PM CST | Winter Storm Watch | TSA | 6 hr |
| Dec 13, 3:01 AM CST | Winter Storm Warning | TSA | 17 hr |
| Dec 22, 8:32 PM CST | Wind Advisory | TSA | 21 hr |
| Dec 31, 3:26 AM CST | Winter Weather Advisory | TSA | 27 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 | 18 |
| Tornado Warning | 2 |
| Severe Thunderstorm Watch | 4 |
| Tornado Watch | 6 |
| Mesoscale Discussion | 28 |
| Special Weather Statement | 23 |
| Flooding | |
| Areal Flood Warning | 5 |
| Flash Flood Warning | 5 |
| Flash Flood Watch | 7 |
| Flood Watch | 2 |
| Areal Flood Advisory | 10 |
| Winter | |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 2 |
| Winter Weather Advisory | 7 |
| Heat | |
| Heat Advisory | 2 |
| Cold | |
| Freeze Warning | 8 |
| Frost Advisory | 3 |
| Wind and dust | |
| Wind Advisory | 4 |
| Fire | |
| Red Flag Warning | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 13 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20192021
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.