Alert archive / Michigan / Midland County
Weather alerts in Midland County, Michigan, 2020
74 weather alerts in 2020, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Midland County and its neighbors
Each county as a circle sized by its count in 2020. Tap one for its archive.
- Alerts
- 74
- Warnings
- 17
- Watches
- 10
- Advisories
- 16
- Busiest month
- May12 alerts
- Busiest day
- September 7, 20205 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Midland County, 2020
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 6 | 5 | 17% | 13 | 100% | 23 min |
| Flash flood warnings | 5 | 0 | 100% | 0 |
Each office's whole area, 2020
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Detroit, MI: severe thunderstorm warnings | 81 | 63 | 22% | 163 | 88% | 25 min |
| NWS Detroit, MI: flash flood warnings | 12 | 0 | 100% | 0 |
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 9, 2:59 PM EST | Winter Storm Watch | DTX | 25 hr |
| Jan 10, 3:34 PM EST | Ice Storm Warning | DTX | 36 hr |
| Jan 16, 2:37 PM EST | Winter Storm Watch | DTX | 13 hr |
| Jan 17, 3:55 AM EST | Winter Weather Advisory | DTX | 31 hr |
| Jan 24, 9:34 PM EST | Dense Fog Advisory | DTX | 10 hr |
| Feb 9, 3:16 AM EST | Winter Weather Advisory | DTX | 19 hr |
| Feb 24, 3:10 PM EST | Winter Storm Watch | DTX | 25 hr |
| Apr 7, 7:06 PM EDT | Severe Thunderstorm Warning | DTX | 54 min |
| Apr 7, 7:18 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Apr 7, 8:01 PM EDT | Severe Thunderstorm Warning | DTX | 11 min |
| Apr 7, 9:12 PM EDT | Severe Thunderstorm Warning | DTX | 31 min |
| Apr 11, 3:40 PM EDT | High Wind Watch | DTX | 24 hr |
| Apr 12, 3:26 PM EDT | Wind Advisory | DTX | 31 hr |
| Apr 20, 10:27 PM EDT | Special Weather Statement | DTX | 63 min |
| May 16, 3:04 PM EDT | Flood Watch | DTX | 56 hr |
| May 18, 7:06 AM EDT | Special Weather Statement | DTX | 114 min |
| May 18, 10:38 AM EDT | Areal Flood Warning | DTX | 24 hr |
| May 18, 1:14 PM EDT | River Flood Warning | DTX | 4 days |
| May 19, 5:46 PM EDT | Flash Flood Warning | DTX | 3 hr |
| May 19, 6:42 PM EDT | Flash Flood Watch | DTX | 3 hr |
| May 19, 7:17 PM EDT | Flash Flood Warning | DTX | 3 hr |
| May 19, 7:38 PM EDT | Flash Flood Warning | DTX | 12 hr |
| May 19, 8:37 PM EDT | Flash Flood Warning | DTX | 12 hr |
| May 20, 7:24 AM EDT | Areal Flood Warning | DTX | 36 hr |
| May 20, 8:29 AM EDT | Flash Flood Warning | DTX | 4 hr |
| May 25, 5:01 PM EDT | Special Weather Statement | DTX | 59 min |
| Jun 2, 10:28 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 3, 12:50 AM EDT | Special Weather Statement | DTX | 55 min |
| Jun 3, 1:56 AM EDT | Mesoscale Discussion | SPC | 94 min |
| Jun 9, 10:11 PM EDT | Special Weather Statement | DTX | 34 min |
| Jun 10, 12:17 PM EDT | Mesoscale Discussion | SPC | 58 min |
| Jun 10, 12:41 PM EDT | Severe Thunderstorm Warning | DTX | 64 min |
| Jun 10, 12:41 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 20, 4:43 PM EDT | Special Weather Statement | DTX | 62 min |
| Jul 7, 4:03 AM EDT | Heat Advisory | DTX | 68 hr |
| Jul 7, 2:08 PM EDT | Special Weather Statement | DTX | 67 min |
| Jul 19, 8:28 AM EDT | Special Weather Statement | DTX | 62 min |
| Jul 19, 8:34 AM EDT | Severe Thunderstorm Warning | DTX | 56 min |
| Jul 19, 8:42 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 2, 8:22 PM EDT | Special Weather Statement | DTX | 53 min |
| Aug 10, 8:16 PM EDT | Mesoscale Discussion | SPC | 119 min |
| Aug 10, 9:23 PM EDT | Special Weather Statement | DTX | 67 min |
| Aug 27, 11:02 AM EDT | Mesoscale Discussion | SPC | 118 min |
| Aug 27, 1:14 PM EDT | Special Weather Statement | DTX | 61 min |
| Aug 28, 1:50 PM EDT | Mesoscale Discussion | SPC | 85 min |
| Aug 28, 4:24 PM EDT | Mesoscale Discussion | SPC | 96 min |
| Sep 3, 2:43 PM EDT | Special Weather Statement | DTX | 92 min |
| Sep 6, 7:47 PM EDT | Mesoscale Discussion | SPC | 118 min |
| Sep 6, 9:38 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Sep 6, 10:39 PM EDT | Special Weather Statement | DTX | 3 hr |
| Sep 7, 12:20 AM EDT | Mesoscale Discussion | SPC | 115 min |
| Sep 7, 12:56 AM EDT | Areal Flood Advisory | DTX | 3 hr |
| Sep 7, 1:40 AM EDT | Special Weather Statement | DTX | 2 hr |
| Sep 18, 11:10 AM EDT | Frost Advisory | DTX | 22 hr |
| Sep 19, 12:08 PM EDT | Frost Advisory | DTX | 21 hr |
| Sep 30, 2:25 PM EDT | Special Weather Statement | DTX | 65 min |
| Oct 2, 2:38 PM EDT | Frost Advisory | DTX | 17 hr |
| Oct 4, 3:10 PM EDT | Frost Advisory | DTX | 17 hr |
| Oct 12, 5:37 PM EDT | Special Weather Statement | DTX | 53 min |
| Oct 12, 6:18 PM EDT | Special Weather Statement | DTX | 57 min |
| Oct 15, 2:11 PM EDT | Freeze Warning | DTX | 19 hr |
| Oct 16, 2:58 PM EDT | Frost Advisory | DTX | 17 hr |
| Oct 23, 12:44 PM EDT | Severe Thunderstorm Warning | DTX | 61 min |
| Nov 1, 3:09 AM EST | Wind Advisory | DTX | 19 hr |
| Nov 10, 9:31 PM EST | Mesoscale Discussion | SPC | 89 min |
| Nov 10, 9:41 PM EST | Special Weather Statement | DTX | 64 min |
| Nov 10, 10:37 PM EST | Special Weather Statement | DTX | 53 min |
| Nov 14, 3:13 AM EST | High Wind Watch | DTX | 11 hr |
| Nov 14, 2:41 PM EST | Wind Advisory | DTX | 12 hr |
| Nov 15, 3:06 AM EST | High Wind Warning | DTX | 20 hr |
| Nov 15, 6:59 PM EST | Wind Advisory | DTX | 8 hr |
| Nov 19, 2:28 AM EST | Wind Advisory | DTX | 15 hr |
| Dec 29, 3:57 AM EST | Winter Weather Advisory | DTX | 32 hr |
| Dec 29, 8:50 PM EST | Mesoscale Discussion | SPC | 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 | 6 |
| Severe Thunderstorm Watch | 3 |
| Mesoscale Discussion | 12 |
| Special Weather Statement | 19 |
| Flooding | |
| Areal Flood Warning | 2 |
| Flash Flood Warning | 5 |
| River Flood Warning | 1 |
| Flash Flood Watch | 1 |
| Flood Watch | 1 |
| Areal Flood Advisory | 1 |
| Winter | |
| Ice Storm Warning | 1 |
| Winter Storm Watch | 3 |
| Winter Weather Advisory | 3 |
| Heat | |
| Heat Advisory | 1 |
| Cold | |
| Freeze Warning | 1 |
| Frost Advisory | 5 |
| Wind and dust | |
| High Wind Warning | 1 |
| High Wind Watch | 2 |
| Wind Advisory | 5 |
| Fog and smoke | |
| Dense Fog Advisory | 1 |
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.