Alert archive / Michigan / Oceana County
Weather alerts in Oceana County, Michigan, 2012
129 weather alerts in 2012, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Oceana County and its neighbors
Each county as a circle sized by its count in 2012. Tap one for its archive.
- Alerts
- 129
- Warnings
- 29
- Watches
- 13
- Advisories
- 34
- Busiest month
- May24 alerts
- Busiest day
- May 3, 20127 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Oceana County, 2012
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 6 | 6 | 0% | 11 | 82% | 19 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2012
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Grand Rapids, MI: tornado warnings | 6 | 0 | 100% | 0 | ||
| NWS Grand Rapids, MI: severe thunderstorm warnings | 68 | 39 | 43% | 140 | 59% | 21 min |
| NWS Grand Rapids, MI: flash flood warnings | 7 | 4 | 43% | 16 | 75% | 241 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 10, 3:47 PM EST | Winter Storm Watch | GRR | 35 hr |
| Jan 12, 2:55 AM EST | Winter Storm Warning | GRR | 49 hr |
| Jan 16, 4:32 PM EST | Winter Weather Advisory | GRR | 35 hr |
| Jan 18, 3:09 AM EST | Lake Effect Snow Advisory | GRR | 32 hr |
| Jan 22, 1:25 PM EST | Freezing Rain Advisory | GRR | 14 hr |
| Jan 23, 1:41 AM EST | Special Weather Statement | GRR | 2 hr |
| Jan 23, 2:33 AM EST | Special Weather Statement | GRR | 87 min |
| Feb 10, 3:43 AM EST | Winter Weather Advisory | GRR | 38 hr |
| Feb 22, 4:58 PM EST | Winter Storm Watch | GRR | 18 hr |
| Feb 23, 11:19 AM EST | Winter Storm Warning | GRR | 26 hr |
| Feb 27, 4:41 AM EST | Winter Storm Watch | GRR | 34 hr |
| Feb 28, 2:41 PM EST | Winter Weather Advisory | GRR | 21 hr |
| Mar 2, 3:22 AM EST | Winter Storm Warning | GRR | 38 hr |
| Mar 7, 4:20 AM EST | Wind Advisory | GRR | 14 hr |
| Mar 10, 3:33 AM EST | Wind Advisory | GRR | 14 hr |
| Mar 12, 2:18 PM EDT | Special Weather Statement | GRR | 57 min |
| Mar 15, 8:30 PM EDT | Dense Fog Advisory | GRR | 16 hr |
| Mar 22, 3:51 PM EDT | Special Weather Statement | GRR | 69 min |
| Mar 22, 5:04 PM EDT | Special Weather Statement | GRR | 56 min |
| Mar 25, 3:53 AM EDT | Freeze Watch | GRR | 12 hr |
| Mar 25, 3:59 PM EDT | Freeze Warning | GRR | 19 hr |
| Mar 26, 11:18 AM EDT | Freeze Warning | GRR | 22 hr |
| Mar 28, 3:43 AM EDT | Freeze Watch | GRR | 12 hr |
| Mar 28, 3:17 PM EDT | Freeze Warning | GRR | 17 hr |
| Mar 29, 3:08 PM EDT | Winter Weather Advisory | GRR | 22 hr |
| Apr 3, 7:47 AM EDT | Special Weather Statement | GRR | 88 min |
| Apr 4, 11:38 AM EDT | Freeze Warning | GRR | 21 hr |
| Apr 5, 10:28 AM EDT | Freeze Warning | GRR | 23 hr |
| Apr 6, 2:26 PM EDT | Freeze Warning | GRR | 19 hr |
| Apr 10, 3:28 PM EDT | Freeze Warning | GRR | 41 hr |
| Apr 12, 11:04 AM EDT | Freeze Warning | GRR | 22 hr |
| Apr 15, 9:03 AM EDT | Special Weather Statement | GRR | 57 min |
| Apr 16, 1:10 AM EDT | Wind Advisory | GRR | 19 hr |
| Apr 16, 4:22 PM EDT | Freeze Warning | GRR | 17 hr |
| Apr 17, 12:52 PM EDT | Freeze Warning | GRR | 19 hr |
| Apr 20, 3:52 PM EDT | Freeze Warning | GRR | 17 hr |
| Apr 21, 3:24 PM EDT | Freeze Warning | GRR | 18 hr |
| Apr 22, 3:59 PM EDT | Freeze Warning | GRR | 16 hr |
| Apr 25, 3:23 PM EDT | Freeze Watch | GRR | 12 hr |
| Apr 26, 3:32 AM EDT | Freeze Warning | GRR | 29 hr |
| Apr 27, 3:19 PM EDT | Freeze Warning | GRR | 17 hr |
| Apr 28, 3:13 AM EDT | Freeze Warning | GRR | 30 hr |
| May 2, 5:43 AM EDT | Special Weather Statement | GRR | 92 min |
| May 2, 6:17 AM EDT | Special Weather Statement | GRR | 58 min |
| May 2, 9:08 AM EDT | Special Weather Statement | GRR | 67 min |
| May 3, 12:51 AM EDT | Mesoscale Discussion | SPC | 54 min |
| May 3, 1:09 AM EDT | Special Weather Statement | GRR | 66 min |
| May 3, 1:42 AM EDT | Special Weather Statement | GRR | 78 min |
| May 3, 10:22 AM EDT | Flash Flood Watch | GRR | 22 hr |
| May 3, 11:34 AM EDT | Mesoscale Discussion | SPC | 86 min |
| May 3, 12:41 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 3, 2:57 PM EDT | Severe Thunderstorm Warning | GRR | 63 min |
| May 8, 4:29 AM EDT | Dense Fog Advisory | GRR | 5 hr |
| May 9, 11:57 AM EDT | Frost Advisory | GRR | 20 hr |
| May 10, 2:16 PM EDT | Frost Advisory | GRR | 17 hr |
| May 11, 12:13 PM EDT | Fire Weather Watch | GRR | 4 hr |
| May 11, 4:16 PM EDT | Red Flag Warning | GRR | 5 hr |
| May 15, 5:44 PM EDT | Special Weather Statement | GRR | 61 min |
| May 15, 6:49 PM EDT | Severe Thunderstorm Warning | GRR | 41 min |
| May 16, 4:01 PM EDT | Frost Advisory | GRR | 16 hr |
| May 20, 7:59 PM EDT | Special Weather Statement | GRR | 61 min |
| May 20, 8:07 PM EDT | Mesoscale Discussion | SPC | 53 min |
| May 27, 8:20 AM EDT | Special Weather Statement | GRR | 55 min |
| May 28, 9:05 PM EDT | Special Weather Statement | GRR | 55 min |
| May 28, 9:35 PM EDT | Special Weather Statement | GRR | 25 min |
| May 30, 3:30 AM EDT | Frost Advisory | GRR | 28 hr |
| Jun 12, 4:04 AM EDT | Beach Hazards Statement | GRR | 15 hr |
| Jun 17, 8:34 PM EDT | Beach Hazards Statement | GRR | 51 hr |
| Jun 18, 7:33 AM EDT | Special Weather Statement | GRR | 87 min |
| Jun 18, 8:23 AM EDT | Areal Flood Advisory | GRR | 4 hr |
| Jun 18, 5:46 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 18, 10:49 PM EDT | Special Weather Statement | GRR | 56 min |
| Jun 19, 1:29 AM EDT | Special Weather Statement | GRR | 91 min |
| Jun 22, 12:28 PM EDT | Mesoscale Discussion | SPC | 92 min |
| Jun 27, 9:49 AM EDT | Red Flag Warning | GRR | 11 hr |
| Jun 27, 3:20 PM EDT | Heat Advisory | GRR | 30 hr |
| Jul 3, 10:46 AM EDT | Excessive Heat Watch | GRR | 17 hr |
| Jul 4, 3:24 AM EDT | Heat Advisory | GRR | 3 days |
| Jul 4, 3:59 PM EDT | Mesoscale Discussion | SPC | 91 min |
| Jul 4, 11:54 PM EDT | Mesoscale Discussion | SPC | 96 min |
| Jul 5, 1:10 AM EDT | Special Weather Statement | GRR | 65 min |
| Jul 5, 1:37 AM EDT | Severe Thunderstorm Warning | GRR | 46 min |
| Jul 7, 12:06 PM EDT | Beach Hazards Statement | GRR | 24 hr |
| Jul 16, 3:07 PM EDT | Heat Advisory | GRR | 29 hr |
| Jul 17, 6:26 PM EDT | Special Weather Statement | GRR | 64 min |
| Jul 17, 7:03 PM EDT | Severe Thunderstorm Warning | GRR | 57 min |
| Jul 18, 1:18 AM EDT | Special Weather Statement | GRR | 57 min |
| Jul 18, 3:47 AM EDT | Special Weather Statement | GRR | 58 min |
| Jul 25, 12:39 PM EDT | Beach Hazards Statement | GRR | 15 hr |
| Jul 25, 3:57 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 25, 7:25 PM EDT | Mesoscale Discussion | SPC | 95 min |
| Jul 25, 7:38 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 25, 9:28 PM EDT | Mesoscale Discussion | SPC | 92 min |
| Jul 25, 9:50 PM EDT | Severe Thunderstorm Warning | GRR | 70 min |
| Jul 26, 12:09 AM EDT | Mesoscale Discussion | SPC | 96 min |
| Jul 26, 2:40 AM EDT | Mesoscale Discussion | SPC | 65 min |
| Jul 27, 2:06 PM EDT | Special Weather Statement | GRR | 54 min |
| Jul 30, 4:49 PM EDT | Beach Hazards Statement | GRR | 29 hr |
| Jul 30, 11:58 PM EDT | Severe Thunderstorm Warning | GRR | 62 min |
| Aug 4, 4:24 AM EDT | Beach Hazards Statement | GRR | 41 hr |
| Aug 9, 3:17 PM EDT | Beach Hazards Statement | GRR | 15 hr |
| Aug 10, 3:28 AM EDT | Beach Hazards Statement | GRR | 49 hr |
| Aug 14, 4:12 AM EDT | Dense Fog Advisory | GRR | 6 hr |
| Aug 15, 3:18 PM EDT | Beach Hazards Statement | GRR | 50 hr |
| Aug 23, 4:12 PM EDT | Beach Hazards Statement | GRR | 28 hr |
| Aug 29, 4:01 PM EDT | Beach Hazards Statement | GRR | 47 hr |
| Sep 14, 4:15 AM EDT | Dense Fog Advisory | GRR | 5 hr |
| Sep 17, 2:30 PM EDT | Mesoscale Discussion | SPC | 60 min |
| Sep 17, 4:56 PM EDT | Special Weather Statement | GRR | 109 min |
| Sep 22, 10:47 AM EDT | Special Weather Statement | GRR | 58 min |
| Sep 22, 1:27 PM EDT | Special Weather Statement | GRR | 93 min |
| Sep 23, 2:48 PM EDT | Frost Advisory | GRR | 18 hr |
| Sep 26, 3:47 PM EDT | Frost Advisory | GRR | 16 hr |
| Oct 6, 2:38 PM EDT | Freeze Warning | GRR | 43 hr |
| Oct 11, 10:45 AM EDT | Wind Advisory | GRR | 7 hr |
| Oct 17, 4:46 PM EDT | Special Weather Statement | GRR | 119 min |
| Oct 25, 7:37 PM EDT | Special Weather Statement | GRR | 113 min |
| Oct 28, 3:45 PM EDT | Wind Advisory | GRR | 48 hr |
| Nov 11, 3:04 AM EST | Wind Advisory | GRR | 22 hr |
| Nov 16, 9:34 PM EST | Dense Fog Advisory | GRR | 14 hr |
| Nov 20, 5:51 PM EST | Dense Fog Advisory | GRR | 17 hr |
| Nov 21, 11:06 AM EST | Dense Fog Advisory | GRR | 2 hr |
| Nov 23, 3:29 AM EST | Wind Advisory | GRR | 17 hr |
| Dec 2, 8:54 PM EST | Dense Fog Advisory | GRR | 15 hr |
| Dec 9, 5:54 PM EST | Winter Weather Advisory | GRR | 10 hr |
| Dec 18, 3:40 PM EST | Winter Storm Watch | GRR | 23 hr |
| Dec 19, 2:57 PM EST | Winter Storm Warning | GRR | 52 hr |
| Dec 19, 2:57 PM EST | Winter Weather Advisory | GRR | 52 hr |
| Dec 27, 9:40 PM EST | Winter Weather 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 | 6 |
| Severe Thunderstorm Watch | 3 |
| Mesoscale Discussion | 12 |
| Special Weather Statement | 30 |
| Flooding | |
| Flash Flood Watch | 1 |
| Areal Flood Advisory | 1 |
| Winter | |
| Winter Storm Warning | 4 |
| Winter Storm Watch | 4 |
| Freezing Rain Advisory | 1 |
| Lake Effect Snow Advisory | 1 |
| Winter Weather Advisory | 7 |
| Heat | |
| Excessive Heat Watch | 1 |
| Heat Advisory | 3 |
| Cold | |
| Freeze Warning | 17 |
| Freeze Watch | 3 |
| Frost Advisory | 6 |
| Wind and dust | |
| Wind Advisory | 7 |
| Fire | |
| Red Flag Warning | 2 |
| Fire Weather Watch | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 8 |
| Coast and beach | |
| Beach Hazards Statement | 11 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20112013
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.