Alert archive / Michigan / Mecosta County
Weather alerts in Mecosta County, Michigan, 2024
61 weather alerts in 2024, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Mecosta County and its neighbors
Each county as a circle sized by its count in 2024. Tap one for its archive.
- Alerts
- 61
- Warnings
- 14
- Watches
- 9
- Advisories
- 22
- Busiest month
- April10 alerts
- Busiest day
- May 20, 20245 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 1 tornado warnings covering Mecosta County in 2024 had a tornado report inside them.
Mecosta County, 2024
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 4 | 3 | 25% | 7 | 86% | 20 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2024
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Grand Rapids, MI: tornado warnings | 21 | 5 | 76% | 8 | 88% | 15 min |
| NWS Grand Rapids, MI: severe thunderstorm warnings | 88 | 49 | 44% | 179 | 73% | 32 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 8, 3:25 AM EST | Winter Storm Watch | GRR | 11 hr |
| Jan 8, 2:51 PM EST | Winter Weather Advisory | GRR | 39 hr |
| Jan 10, 3:39 PM EST | Winter Storm Watch | GRR | 23 hr |
| Jan 11, 3:04 PM EST | Winter Storm Warning | GRR | 69 hr |
| Jan 12, 6:47 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Jan 23, 3:30 PM EST | Dense Fog Advisory | GRR | 55 hr |
| Jan 30, 3:39 PM EST | Dense Fog Advisory | GRR | 12 hr |
| Feb 8, 11:14 PM EST | Special Weather Statement | GRR | 61 min |
| Feb 14, 3:09 PM EST | Winter Weather Advisory | GRR | 20 hr |
| Feb 27, 3:49 PM EST | Wind Advisory | GRR | 25 hr |
| Mar 21, 3:43 PM EDT | Winter Weather Advisory | GRR | 30 hr |
| Apr 11, 2:59 PM EDT | Wind Advisory | GRR | 31 hr |
| Apr 16, 10:24 AM EDT | Red Flag Warning | GRR | 10 hr |
| Apr 16, 11:43 AM EDT | Wind Advisory | GRR | 14 hr |
| Apr 21, 2:50 PM EDT | Frost Advisory | GRR | 17 hr |
| Apr 22, 8:23 AM EDT | Red Flag Warning | GRR | 12 hr |
| Apr 23, 3:46 PM EDT | Freeze Watch | GRR | 12 hr |
| Apr 23, 3:52 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Apr 24, 3:43 AM EDT | Freeze Warning | GRR | 28 hr |
| Apr 25, 2:43 PM EDT | Freeze Warning | GRR | 17 hr |
| Apr 27, 9:40 PM EDT | Mesoscale Discussion | SPC | 95 min |
| May 20, 4:21 PM EDT | Mesoscale Discussion | SPC | 114 min |
| May 20, 4:41 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 20, 6:49 PM EDT | Severe Thunderstorm Warning | GRR | 56 min |
| May 20, 7:03 PM EDT | Tornado Warning | GRR | 42 min |
| May 20, 7:49 PM EDT | Mesoscale Discussion | SPC | 86 min |
| Jun 13, 2:02 PM EDT | Mesoscale Discussion | SPC | 118 min |
| Jun 16, 3:14 AM EDT | Excessive Heat Watch | GRR | 24 hr |
| Jun 17, 3:04 AM EDT | Heat Advisory | GRR | 6 days |
| Jun 20, 3:59 PM EDT | Severe Thunderstorm Warning | GRR | 61 min |
| Jun 20, 5:04 PM EDT | Special Weather Statement | GRR | 56 min |
| Jun 21, 1:57 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Jun 22, 3:56 AM EDT | Flood Watch | GRR | 22 hr |
| Jun 25, 1:55 AM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 25, 6:04 AM EDT | Severe Thunderstorm Warning | GRR | 73 min |
| Jul 5, 2:47 PM EDT | Mesoscale Discussion | SPC | 58 min |
| Jul 23, 7:57 PM EDT | Special Weather Statement | GRR | 63 min |
| Aug 5, 1:50 AM EDT | Special Weather Statement | GRR | 55 min |
| Aug 26, 1:20 PM EDT | Heat Advisory | GRR | 29 hr |
| Aug 27, 4:34 AM EDT | Special Weather Statement | GRR | 86 min |
| Aug 27, 12:25 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 27, 1:48 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 27, 2:20 PM EDT | Special Weather Statement | GRR | 40 min |
| Aug 27, 2:31 PM EDT | Severe Thunderstorm Warning | GRR | 59 min |
| Sep 21, 12:42 AM EDT | Dense Fog Advisory | GRR | 9 hr |
| Oct 6, 10:17 AM EDT | Red Flag Warning | GRR | 10 hr |
| Oct 8, 3:26 PM EDT | Frost Advisory | GRR | 17 hr |
| Oct 9, 3:45 PM EDT | Frost Advisory | GRR | 17 hr |
| Oct 10, 4:05 PM EDT | Fire Weather Watch | GRR | 17 hr |
| Oct 11, 9:14 AM EDT | Red Flag Warning | GRR | 10 hr |
| Oct 14, 3:01 AM EDT | Freeze Warning | GRR | 28 hr |
| Oct 31, 3:31 AM EDT | Wind Advisory | GRR | 22 hr |
| Nov 18, 4:04 AM EST | Dense Fog Advisory | GRR | 6 hr |
| Dec 4, 3:33 AM EST | Winter Storm Warning | GRR | 45 hr |
| Dec 4, 3:33 AM EST | Winter Weather Advisory | GRR | 41 hr |
| Dec 4, 4:40 PM EST | Mesoscale Discussion | SPC | 3 hr |
| Dec 14, 12:31 PM EST | Winter Weather Advisory | GRR | 22 hr |
| Dec 19, 2:05 AM EST | Winter Weather Advisory | GRR | 32 hr |
| Dec 22, 2:53 PM EST | Winter Weather Advisory | GRR | 32 hr |
| Dec 26, 5:17 AM EST | Winter Weather Advisory | GRR | 5 hr |
| Dec 26, 11:18 AM EST | Dense Fog Advisory | GRR | 13 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 | 4 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 3 |
| Mesoscale Discussion | 10 |
| Special Weather Statement | 6 |
| Flooding | |
| Flood Watch | 1 |
| Winter | |
| Winter Storm Warning | 2 |
| Winter Storm Watch | 2 |
| Winter Weather Advisory | 8 |
| Heat | |
| Excessive Heat Watch | 1 |
| Heat Advisory | 2 |
| Cold | |
| Freeze Warning | 3 |
| Freeze Watch | 1 |
| Frost Advisory | 3 |
| Wind and dust | |
| Wind Advisory | 4 |
| Fire | |
| Red Flag Warning | 4 |
| Fire Weather Watch | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 5 |
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.