Alert archive / Virginia / Madison County
Weather alerts in Madison County, Virginia, 2024
141 weather alerts in 2024, 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 2024. Tap one for its archive.
- Alerts
- 141
- Warnings
- 32
- Watches
- 32
- Advisories
- 56
- Busiest month
- July21 alerts
- Busiest day
- May 27, 20248 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 1 tornado warnings covering Madison County in 2024 had a tornado report inside them.
Madison County, 2024
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 1 | 0% | 0 | ||
| Severe thunderstorm warnings | 11 | 11 | 0% | 5 | 40% | 26 min |
| Flash flood warnings | 4 | 2 | 50% | 0 |
Each office's whole area, 2024
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Baltimore/Washington: tornado warnings | 50 | 12 | 76% | 35 | 69% | 19 min |
| NWS Baltimore/Washington: severe thunderstorm warnings | 306 | 203 | 34% | 536 | 85% | 19 min |
| NWS Baltimore/Washington: flash flood warnings | 59 | 26 | 56% | 60 | 82% | 97 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, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jan 4, 2:21 PM EST | Winter Storm Watch | LWX | 19 hr |
| Jan 5, 4:49 AM EST | Winter Weather Advisory | LWX | 68 hr |
| Jan 5, 9:31 AM EST | Winter Storm Warning | LWX | 35 hr |
| Jan 6, 3:28 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Jan 7, 2:44 AM EST | Freezing Fog Advisory | LWX | 6 hr |
| Jan 8, 1:57 AM EST | Flood Watch | LWX | 44 hr |
| Jan 8, 3:48 AM EST | Wind Advisory | LWX | 41 hr |
| Jan 8, 3:52 AM EST | Winter Weather Advisory | LWX | 36 hr |
| Jan 9, 2:40 PM EST | Wind Advisory | LWX | 25 hr |
| Jan 9, 3:55 PM EST | Areal Flood Warning | LWX | 19 hr |
| Jan 11, 2:06 PM EST | Flood Watch | LWX | 33 hr |
| Jan 11, 3:10 PM EST | Wind Advisory | LWX | 50 hr |
| Jan 14, 2:09 AM EST | Wind Advisory | LWX | 15 hr |
| Jan 14, 2:35 PM EST | Winter Weather Advisory | LWX | 43 hr |
| Jan 15, 10:11 AM EST | Winter Storm Warning | LWX | 24 hr |
| Jan 16, 2:51 AM EST | Wind Chill Advisory | LWX | 35 hr |
| Jan 18, 8:26 AM EST | Winter Weather Advisory | LWX | 33 hr |
| Jan 19, 9:52 AM EST | Wind Chill Advisory | LWX | 50 hr |
| Jan 27, 1:40 PM EST | Flood Watch | LWX | 18 hr |
| Feb 12, 3:23 AM EST | Wind Advisory | LWX | 33 hr |
| Feb 12, 4:07 AM EST | Winter Weather Advisory | LWX | 31 hr |
| Feb 15, 9:46 AM EST | Winter Storm Watch | LWX | 24 hr |
| Feb 16, 3:24 AM EST | Winter Storm Warning | LWX | 28 hr |
| Feb 16, 3:24 AM EST | Winter Weather Advisory | LWX | 25 hr |
| Feb 27, 11:22 AM EST | High Wind Watch | LWX | 15 hr |
| Feb 27, 2:58 PM EST | Wind Advisory | LWX | 36 hr |
| Mar 9, 3:15 AM EST | Wind Advisory | LWX | 61 hr |
| Mar 18, 2:33 PM EDT | Fire Weather Watch | LWX | 36 hr |
| Mar 19, 12:02 PM EDT | Wind Advisory | LWX | 32 hr |
| Mar 19, 2:50 PM EDT | Red Flag Warning | LWX | 29 hr |
| Mar 20, 1:38 PM EDT | High Wind Warning | LWX | 3 hr |
| Mar 20, 1:38 PM EDT | Wind Advisory | LWX | 6 hr |
| Mar 21, 2:10 PM EDT | Flood Watch | LWX | 47 hr |
| Mar 23, 8:52 AM EDT | Wind Advisory | LWX | 17 hr |
| Mar 28, 1:57 PM EDT | Wind Advisory | LWX | 33 hr |
| Mar 31, 1:41 PM EDT | Flood Watch | LWX | 3 days |
| Apr 10, 2:41 PM EDT | Wind Advisory | LWX | 35 hr |
| Apr 11, 10:04 PM EDT | Tornado Watch | SPC | 3 hr |
| Apr 11, 11:39 PM EDT | Severe Thunderstorm Warning | LWX | 36 min |
| Apr 12, 3:29 AM EDT | Wind Advisory | LWX | 37 hr |
| Apr 15, 1:03 PM EDT | Mesoscale Discussion | SPC | 117 min |
| Apr 15, 1:50 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Apr 15, 4:40 PM EDT | Mesoscale Discussion | SPC | 95 min |
| Apr 21, 4:04 AM EDT | Freeze Watch | LWX | 9 hr |
| Apr 21, 12:42 PM EDT | Frost Advisory | LWX | 19 hr |
| Apr 21, 12:42 PM EDT | Freeze Warning | LWX | 19 hr |
| Apr 22, 10:45 AM EDT | Frost Advisory | LWX | 22 hr |
| May 1, 4:05 AM EDT | Dense Fog Advisory | LWX | 4 hr |
| May 6, 3:27 AM EDT | Dense Fog Advisory | LWX | 7 hr |
| May 7, 4:11 AM EDT | Dense Fog Advisory | LWX | 6 hr |
| May 17, 4:22 AM EDT | Flood Watch | LWX | 29 hr |
| May 20, 5:04 AM EDT | Dense Fog Advisory | LWX | 5 hr |
| May 22, 3:00 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 26, 5:36 PM EDT | Mesoscale Discussion | SPC | 114 min |
| May 26, 8:09 PM EDT | Severe Thunderstorm Warning | LWX | 66 min |
| May 26, 8:17 PM EDT | Severe Thunderstorm Warning | LWX | 58 min |
| May 26, 8:44 PM EDT | Severe Thunderstorm Watch | SPC | 3 hr |
| May 26, 9:04 PM EDT | Severe Thunderstorm Warning | LWX | 26 min |
| May 26, 9:05 PM EDT | Severe Thunderstorm Warning | LWX | 55 min |
| May 26, 9:14 PM EDT | Tornado Warning | LWX | 31 min |
| May 27, 11:53 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 27, 3:39 PM EDT | Tornado Watch | SPC | 7 hr |
| Jun 5, 3:25 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 20, 4:59 PM EDT | Excessive Heat Watch | LWX | 19 hr |
| Jun 21, 12:27 PM EDT | Heat Advisory | LWX | 32 hr |
| Jun 22, 12:12 PM EDT | Heat Advisory | LWX | 30 hr |
| Jun 26, 6:43 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 26, 8:09 PM EDT | Severe Thunderstorm Warning | LWX | 36 min |
| Jun 26, 8:39 PM EDT | Severe Thunderstorm Warning | LWX | 36 min |
| Jun 30, 12:11 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 30, 3:21 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 4, 3:52 AM EDT | Heat Advisory | LWX | 40 hr |
| Jul 7, 3:21 PM EDT | Heat Advisory | LWX | 29 hr |
| Jul 8, 2:25 PM EDT | Heat Advisory | LWX | 30 hr |
| Jul 9, 4:15 AM EDT | Heat Advisory | LWX | 39 hr |
| Jul 10, 12:52 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Jul 10, 1:37 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 10, 4:22 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Jul 13, 1:39 PM EDT | Excessive Heat Watch | LWX | 23 hr |
| Jul 14, 9:33 AM EDT | Excessive Heat Watch | LWX | 27 hr |
| Jul 14, 12:59 PM EDT | Heat Advisory | LWX | 31 hr |
| Jul 15, 12:55 PM EDT | Heat Advisory | LWX | 31 hr |
| Jul 15, 3:41 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 15, 4:24 PM EDT | Severe Thunderstorm Warning | LWX | 36 min |
| Jul 16, 11:44 AM EDT | Heat Advisory | LWX | 32 hr |
| Jul 16, 3:36 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jul 17, 2:11 PM EDT | Mesoscale Discussion | SPC | 79 min |
| Jul 17, 2:38 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 17, 4:26 PM EDT | Mesoscale Discussion | SPC | 94 min |
| Jul 23, 1:36 PM EDT | Flood Watch | LWX | 9 hr |
| Jul 25, 3:01 PM EDT | Mesoscale Discussion | SPC | 89 min |
| Jul 30, 12:39 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 1, 12:01 PM EDT | Heat Advisory | LWX | 32 hr |
| Aug 1, 2:53 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 3, 12:56 PM EDT | Mesoscale Discussion | SPC | 94 min |
| Aug 3, 1:20 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Aug 3, 4:05 PM EDT | Severe Thunderstorm Warning | LWX | 40 min |
| Aug 7, 2:43 PM EDT | Flood Watch | LWX | 45 hr |
| Aug 8, 5:00 PM EDT | Wind Advisory | LWX | 16 hr |
| Aug 8, 6:37 PM EDT | Tornado Watch | SPC | 12 hr |
| Aug 8, 8:38 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 8, 10:52 PM EDT | Flash Flood Warning | LWX | 10 hr |
| Aug 9, 5:07 AM EDT | Areal Flood Warning | LWX | 13 hr |
| Aug 9, 6:31 AM EDT | Flash Flood Warning | LWX | 3 hr |
| Aug 9, 8:35 AM EDT | Areal Flood Warning | LWX | 5 hr |
| Aug 18, 2:02 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Aug 27, 2:36 PM EDT | Heat Advisory | LWX | 28 hr |
| Aug 29, 10:59 AM EDT | Flood Watch | LWX | 12 hr |
| Aug 29, 1:20 PM EDT | Mesoscale Discussion | SPC | 115 min |
| Aug 29, 3:54 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 29, 5:40 PM EDT | Mesoscale Discussion | SPC | 95 min |
| Aug 29, 8:49 PM EDT | Flash Flood Warning | LWX | 3 hr |
| Sep 21, 2:37 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 26, 2:22 AM EDT | Areal Flood Warning | LWX | 11 hr |
| Sep 26, 2:28 AM EDT | Flash Flood Warning | LWX | 3 hr |
| Sep 26, 4:18 AM EDT | Flood Watch | LWX | 39 hr |
| Sep 26, 1:43 PM EDT | Wind Advisory | LWX | 31 hr |
| Sep 27, 4:55 PM EDT | Areal Flood Warning | LWX | 6 hr |
| Sep 27, 10:36 PM EDT | Areal Flood Warning | LWX | 15 hr |
| Sep 28, 8:26 AM EDT | Areal Flood Warning | LWX | 5 hr |
| Sep 29, 10:22 AM EDT | Flood Watch | LWX | 18 hr |
| Sep 29, 4:59 PM EDT | Areal Flood Warning | LWX | 3 hr |
| Oct 1, 5:45 AM EDT | Areal Flood Warning | LWX | 5 hr |
| Oct 5, 2:51 AM EDT | Dense Fog Advisory | LWX | 6 hr |
| Oct 15, 1:34 PM EDT | Frost Advisory | LWX | 19 hr |
| Oct 16, 1:55 PM EDT | Freeze Warning | LWX | 19 hr |
| Oct 16, 2:01 PM EDT | Frost Advisory | LWX | 19 hr |
| Oct 17, 1:54 PM EDT | Frost Advisory | LWX | 19 hr |
| Oct 18, 4:02 PM EDT | Frost Advisory | LWX | 17 hr |
| Oct 24, 2:05 PM EDT | Frost Advisory | LWX | 19 hr |
| Nov 20, 1:59 AM EST | Wind Advisory | LWX | 23 hr |
| Nov 21, 2:42 PM EST | Wind Advisory | LWX | 40 hr |
| Dec 4, 4:22 AM EST | Wind Advisory | LWX | 44 hr |
| Dec 9, 9:31 PM EST | Dense Fog Advisory | LWX | 14 hr |
| Dec 10, 5:08 PM EST | Dense Fog Advisory | LWX | 13 hr |
| Dec 11, 2:42 AM EST | Wind Advisory | LWX | 36 hr |
| Dec 14, 12:26 PM EST | Winter Weather Advisory | LWX | 40 hr |
| Dec 23, 3:00 AM EST | Winter Weather Advisory | LWX | 40 hr |
| Dec 28, 1:57 PM EST | Wind Advisory | LWX | 38 hr |
| Dec 31, 4:21 PM EST | Severe Thunderstorm Warning | LWX | 24 min |
| Dec 31, 4:25 PM EST | Severe Thunderstorm Warning | LWX | 24 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 | 11 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 10 |
| Tornado Watch | 3 |
| Mesoscale Discussion | 21 |
| Flooding | |
| Areal Flood Warning | 9 |
| Flash Flood Warning | 4 |
| Flood Watch | 11 |
| Winter | |
| Winter Storm Warning | 3 |
| Winter Storm Watch | 2 |
| Winter Weather Advisory | 8 |
| Heat | |
| Excessive Heat Watch | 3 |
| Heat Advisory | 11 |
| Cold | |
| Freeze Warning | 2 |
| Freeze Watch | 1 |
| Frost Advisory | 7 |
| Wind Chill Advisory | 2 |
| Wind and dust | |
| High Wind Warning | 1 |
| High Wind Watch | 1 |
| Wind Advisory | 20 |
| Fire | |
| Red Flag Warning | 1 |
| Fire Weather Watch | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 7 |
| Freezing Fog Advisory | 1 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20232025
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.