Alert archive / Michigan / Ingham County
Weather alerts in Ingham County, Michigan, 2013
150 weather alerts in 2013, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Ingham County and its neighbors
Each county as a circle sized by its count in 2013. Tap one for its archive.
- Alerts
- 150
- Warnings
- 17
- Watches
- 17
- Advisories
- 59
- Busiest month
- April33 alerts
- Busiest day
- June 13, 201311 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 Ingham County in 2013 had a tornado report inside them; 0 of 1 tornado reports fell inside a warning.
Ingham County, 2013
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 0 | 100% | 1 | 0% | |
| Severe thunderstorm warnings | 6 | 5 | 17% | 8 | 88% | 21 min |
| Flash flood warnings | 2 | 1 | 50% | 1 | 100% | 80 min |
Each office's whole area, 2013
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Grand Rapids, MI: tornado warnings | 4 | 0 | 100% | 2 | 0% | |
| NWS Grand Rapids, MI: severe thunderstorm warnings | 75 | 36 | 52% | 133 | 65% | 26 min |
| NWS Grand Rapids, MI: flash flood warnings | 3 | 2 | 33% | 6 | 100% | 104 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 12, 3:25 PM EST | Winter Weather Advisory | GRR | 16 hr |
| Jan 19, 3:47 PM EST | Wind Advisory | GRR | 15 hr |
| Jan 21, 3:57 PM EST | Wind Chill Advisory | GRR | 19 hr |
| Jan 22, 4:07 PM EST | Lake Effect Snow Advisory | GRR | 32 hr |
| Jan 26, 3:37 PM EST | Winter Weather Advisory | GRR | 45 hr |
| Jan 27, 6:28 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Jan 27, 9:17 PM EST | Special Weather Statement | GRR | 103 min |
| Jan 28, 3:29 AM EST | Flood Watch | GRR | 54 hr |
| Jan 28, 10:12 AM EST | Dense Fog Advisory | GRR | 27 hr |
| Jan 29, 4:07 AM EST | Special Weather Statement | GRR | 53 min |
| Jan 30, 11:28 AM EST | River Flood Advisory | GRR | 57 hr |
| Jan 30, 1:08 PM EST | Lake Effect Snow Advisory | GRR | 39 hr |
| Feb 1, 4:08 AM EST | Lake Effect Snow Advisory | GRR | 33 hr |
| Feb 6, 2:54 AM EST | Winter Storm Watch | GRR | 12 hr |
| Feb 6, 3:09 PM EST | Winter Storm Warning | GRR | 40 hr |
| Feb 7, 9:22 PM EST | Mesoscale Discussion | SPC | 3 hr |
| Feb 10, 4:12 PM EST | Wind Advisory | GRR | 32 hr |
| Feb 18, 4:17 AM EST | Winter Weather Advisory | GRR | 59 hr |
| Feb 21, 3:42 PM EST | Winter Weather Advisory | GRR | 21 hr |
| Feb 24, 3:15 PM EST | Winter Storm Watch | GRR | 24 hr |
| Feb 25, 3:08 PM EST | Winter Weather Advisory | GRR | 43 hr |
| Mar 13, 10:23 AM EDT | Special Weather Statement | GRR | 52 min |
| Mar 15, 3:53 PM EDT | Winter Weather Advisory | GRR | 19 hr |
| Apr 8, 12:49 PM EDT | Wind Advisory | GRR | 7 hr |
| Apr 9, 11:23 PM EDT | River Flood Advisory | GRR | 7 days |
| Apr 10, 3:30 AM EDT | Flood Watch | GRR | 41 hr |
| Apr 10, 10:38 AM EDT | Special Weather Statement | GRR | 67 min |
| Apr 10, 11:35 AM EDT | River Flood Warning | GRR | 13 hr |
| Apr 10, 12:03 PM EDT | River Flood Advisory | GRR | 3 days |
| Apr 10, 11:55 PM EDT | River Flood Advisory | GRR | 4 days |
| Apr 11, 3:53 AM EDT | Areal Flood Advisory | GRR | 7 hr |
| Apr 11, 5:32 AM EDT | Special Weather Statement | GRR | 118 min |
| Apr 11, 8:38 PM EDT | Areal Flood Advisory | GRR | 24 hr |
| Apr 16, 3:18 PM EDT | Flood Watch | GRR | 63 hr |
| Apr 17, 1:26 PM EDT | Mesoscale Discussion | SPC | 64 min |
| Apr 17, 3:26 PM EDT | Special Weather Statement | GRR | 109 min |
| Apr 17, 4:02 PM EDT | Areal Flood Advisory | GRR | 9 hr |
| Apr 17, 4:18 PM EDT | Special Weather Statement | GRR | 57 min |
| Apr 17, 9:38 PM EDT | River Flood Warning | GRR | 5 days |
| Apr 17, 9:55 PM EDT | River Flood Advisory | GRR | 48 hr |
| Apr 17, 9:55 PM EDT | River Flood Advisory | GRR | 5 days |
| Apr 17, 9:55 PM EDT | River Flood Advisory | GRR | 38 hr |
| Apr 18, 9:48 AM EDT | Mesoscale Discussion | SPC | 27 min |
| Apr 18, 10:06 AM EDT | Tornado Watch | SPC | 6 hr |
| Apr 18, 12:14 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 18, 3:18 PM EDT | Wind Advisory | GRR | 29 hr |
| Apr 19, 9:26 AM EDT | River Flood Warning | GRR | 12 hr |
| Apr 19, 9:49 PM EDT | River Flood Advisory | GRR | 15 hr |
| Apr 20, 4:46 AM EDT | River Flood Advisory | GRR | 65 hr |
| Apr 20, 11:19 AM EDT | River Flood Warning | GRR | 11 hr |
| Apr 20, 9:34 PM EDT | River Flood Advisory | GRR | 14 hr |
| Apr 22, 11:14 AM EDT | River Flood Advisory | GRR | 5 days |
| Apr 22, 9:19 PM EDT | River Flood Advisory | GRR | 38 hr |
| Apr 29, 2:43 AM EDT | Dense Fog Advisory | GRR | 7 hr |
| Apr 30, 8:28 AM EDT | Special Weather Statement | GRR | 62 min |
| Apr 30, 10:37 AM EDT | Special Weather Statement | GRR | 83 min |
| May 1, 10:46 AM EDT | River Flood Advisory | GRR | 10 hr |
| May 11, 3:31 PM EDT | Freeze Watch | GRR | 12 hr |
| May 12, 3:29 AM EDT | Freeze Warning | GRR | 29 hr |
| May 20, 12:34 PM EDT | Mesoscale Discussion | SPC | 56 min |
| May 20, 12:58 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 20, 5:59 PM EDT | Mesoscale Discussion | SPC | 61 min |
| May 20, 6:07 PM EDT | Severe Thunderstorm Warning | GRR | 38 min |
| May 24, 3:43 PM EDT | Frost Advisory | GRR | 16 hr |
| May 28, 11:22 AM EDT | River Flood Advisory | GRR | 35 hr |
| May 28, 11:54 AM EDT | Mesoscale Discussion | SPC | 96 min |
| May 28, 1:04 PM EDT | Special Weather Statement | GRR | 56 min |
| May 28, 5:17 PM EDT | Severe Thunderstorm Warning | GRR | 58 min |
| May 28, 5:37 PM EDT | Tornado Warning | GRR | 38 min |
| May 28, 9:20 PM EDT | Mesoscale Discussion | SPC | 115 min |
| May 28, 11:46 PM EDT | Areal Flood Advisory | GRR | 6 hr |
| May 28, 11:46 PM EDT | Mesoscale Discussion | SPC | 89 min |
| May 29, 12:35 AM EDT | Special Weather Statement | GRR | 55 min |
| May 30, 4:17 PM EDT | Mesoscale Discussion | SPC | 58 min |
| Jun 1, 10:26 PM EDT | River Flood Advisory | GRR | 12 hr |
| Jun 12, 2:10 PM EDT | Flash Flood Watch | GRR | 16 hr |
| Jun 12, 4:23 PM EDT | Special Weather Statement | GRR | 37 min |
| Jun 12, 6:56 PM EDT | Mesoscale Discussion | SPC | 94 min |
| Jun 12, 8:03 PM EDT | Special Weather Statement | GRR | |
| Jun 12, 8:04 PM EDT | Special Weather Statement | GRR | |
| Jun 12, 8:06 PM EDT | Special Weather Statement | GRR | 114 min |
| Jun 12, 9:47 PM EDT | Mesoscale Discussion | SPC | 88 min |
| Jun 12, 10:45 PM EDT | Severe Thunderstorm Warning | GRR | 60 min |
| Jun 12, 10:55 PM EDT | Flash Flood Warning | GRR | 6 hr |
| Jun 13, 12:50 AM EDT | Mesoscale Discussion | SPC | 85 min |
| Jun 13, 4:07 AM EDT | Flash Flood Warning | GRR | 6 hr |
| Jun 13, 8:42 AM EDT | River Flood Advisory | GRR | 8 hr |
| Jun 13, 8:42 AM EDT | River Flood Advisory | GRR | 4 days |
| Jun 13, 9:56 AM EDT | Areal Flood Advisory | GRR | 6 hr |
| Jun 24, 7:14 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jun 24, 9:11 PM EDT | Mesoscale Discussion | SPC | 64 min |
| Jun 25, 6:13 PM EDT | Mesoscale Discussion | SPC | 92 min |
| Jun 28, 4:32 PM EDT | Special Weather Statement | GRR | 58 min |
| Jun 28, 5:36 PM EDT | Areal Flood Advisory | GRR | 6 hr |
| Jun 30, 3:11 PM EDT | Special Weather Statement | GRR | 49 min |
| Jul 9, 6:09 PM EDT | Areal Flood Advisory | GRR | 3 hr |
| Jul 10, 11:53 AM EDT | Mesoscale Discussion | SPC | 67 min |
| Jul 15, 3:40 PM EDT | Heat Advisory | GRR | 4 days |
| Jul 17, 12:37 PM EDT | Special Weather Statement | GRR | 113 min |
| Jul 19, 11:53 AM EDT | Mesoscale Discussion | SPC | 97 min |
| Jul 19, 2:40 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jul 19, 5:48 PM EDT | Mesoscale Discussion | SPC | 117 min |
| Jul 19, 9:30 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 19, 10:34 PM EDT | Special Weather Statement | GRR | 86 min |
| Jul 19, 11:26 PM EDT | Severe Thunderstorm Warning | GRR | 64 min |
| Jul 23, 12:38 PM EDT | Special Weather Statement | GRR | 67 min |
| Jul 23, 1:06 PM EDT | Mesoscale Discussion | SPC | 54 min |
| Jul 27, 12:32 PM EDT | Special Weather Statement | GRR | 88 min |
| Aug 3, 4:17 AM EDT | Dense Fog Advisory | GRR | 5 hr |
| Aug 7, 6:37 AM EDT | Mesoscale Discussion | SPC | 113 min |
| Aug 12, 6:38 PM EDT | Special Weather Statement | GRR | 37 min |
| Aug 22, 1:10 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 27, 5:59 AM EDT | Special Weather Statement | GRR | 61 min |
| Aug 27, 3:15 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 27, 4:52 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 27, 7:14 PM EDT | Mesoscale Discussion | SPC | 91 min |
| Aug 27, 9:29 PM EDT | Mesoscale Discussion | SPC | 61 min |
| Aug 28, 12:02 AM EDT | Areal Flood Advisory | GRR | 6 hr |
| Aug 29, 5:34 AM EDT | Dense Fog Advisory | GRR | 4 hr |
| Aug 30, 1:24 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 30, 3:07 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 30, 6:14 PM EDT | Mesoscale Discussion | SPC | 61 min |
| Sep 11, 4:21 PM EDT | Mesoscale Discussion | SPC | 114 min |
| Sep 11, 4:39 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Sep 11, 5:12 PM EDT | Severe Thunderstorm Warning | GRR | 63 min |
| Sep 26, 4:46 AM EDT | Dense Fog Advisory | GRR | 5 hr |
| Sep 30, 2:46 AM EDT | Dense Fog Advisory | GRR | 7 hr |
| Oct 4, 9:36 PM EDT | Special Weather Statement | GRR | 54 min |
| Oct 5, 4:37 AM EDT | Areal Flood Advisory | GRR | 6 hr |
| Oct 5, 12:17 PM EDT | Flood Watch | GRR | 22 hr |
| Oct 26, 3:10 PM EDT | Special Weather Statement | GRR | 50 min |
| Oct 26, 4:08 PM EDT | Special Weather Statement | GRR | 52 min |
| Oct 31, 9:44 AM EDT | River Flood Advisory | GRR | 25 hr |
| Oct 31, 3:34 PM EDT | Wind Advisory | GRR | 16 hr |
| Nov 17, 3:29 AM EST | High Wind Warning | GRR | 24 hr |
| Nov 17, 10:58 AM EST | River Flood Advisory | GRR | 26 hr |
| Nov 17, 11:01 AM EST | Mesoscale Discussion | SPC | 119 min |
| Nov 17, 11:20 AM EST | Tornado Watch | SPC | 9 hr |
| Nov 17, 3:51 PM EST | Mesoscale Discussion | SPC | 84 min |
| Nov 17, 4:09 PM EST | Severe Thunderstorm Warning | GRR | 66 min |
| Nov 18, 3:04 PM EST | River Flood Advisory | GRR | 18 hr |
| Nov 25, 9:11 PM EST | Freezing Rain Advisory | GRR | 7 hr |
| Dec 4, 5:03 AM EST | Dense Fog Advisory | GRR | 7 hr |
| Dec 13, 3:44 AM EST | Winter Weather Advisory | GRR | 62 hr |
| Dec 19, 3:17 AM EST | Winter Weather Advisory | GRR | 40 hr |
| Dec 20, 3:30 PM EST | Winter Storm Watch | GRR | 12 hr |
| Dec 21, 3:30 AM EST | Ice Storm Warning | GRR | 24 hr |
| Dec 21, 3:30 AM EST | Winter Weather Advisory | GRR | 35 hr |
| Dec 23, 10:02 AM EST | River Flood Advisory | GRR | 33 hr |
| Dec 24, 3:25 PM EST | Winter Weather Advisory | GRR | 53 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20122014
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.