Alert archive / Michigan / Marquette County
Weather alerts in Marquette County, Michigan, 2011
82 weather alerts in 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Marquette County and its neighbors
Each county as a circle sized by its count in 2011. Tap one for its archive.
- Alerts
- 82
- Warnings
- 23
- Watches
- 16
- Advisories
- 30
- Busiest month
- May13 alerts
- Busiest day
- May 31, 20117 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Marquette County, 2011
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 15 | 4 | 73% | 5 | 60% | 5 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2011
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Marquette, MI: tornado warnings | 3 | 0 | 100% | 1 | 0% | |
| NWS Marquette, MI: severe thunderstorm warnings | 82 | 30 | 63% | 80 | 63% | 22 min |
| NWS Marquette, MI: flash flood warnings | 1 | 0 | 100% | 5 | 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 4, 3:42 PM EST | Lake Effect Snow Watch | MQT | 49 hr |
| Jan 5, 4:48 PM EST | Lake Effect Snow Advisory | MQT | 53 hr |
| Jan 6, 4:34 PM EST | Lake Effect Snow Warning | MQT | 62 hr |
| Jan 8, 3:53 PM EST | Lake Effect Snow Advisory | MQT | 15 hr |
| Jan 20, 5:02 AM EST | Lake Effect Snow Advisory | MQT | 72 hr |
| Jan 21, 4:36 PM EST | Lake Effect Snow Watch | MQT | 13 hr |
| Jan 22, 5:18 AM EST | Lake Effect Snow Warning | MQT | 17 hr |
| Feb 1, 9:00 AM EST | Lake Effect Snow Advisory | MQT | 19 hr |
| Feb 6, 4:39 AM EST | Lake Effect Snow Advisory | MQT | 4 days |
| Feb 9, 3:59 PM EST | Wind Chill Advisory | MQT | 18 hr |
| Feb 17, 5:05 AM EST | Wind Advisory | MQT | 47 hr |
| Mar 7, 4:00 PM EST | Winter Storm Watch | MQT | 24 hr |
| Mar 8, 3:59 PM EST | Winter Weather Advisory | MQT | 27 hr |
| Mar 20, 4:32 PM EDT | Winter Storm Watch | MQT | 37 hr |
| Mar 22, 5:42 AM EDT | Winter Weather Advisory | MQT | 15 hr |
| Apr 2, 4:47 PM EDT | Winter Weather Advisory | MQT | 36 hr |
| Apr 10, 6:26 PM EDT | Wind Advisory | MQT | 23 hr |
| Apr 10, 7:02 PM EDT | Mesoscale Discussion | SPC | 88 min |
| Apr 10, 9:17 PM EDT | Tornado Watch | SPC | 4 hr |
| Apr 10, 9:41 PM EDT | Severe Thunderstorm Warning | MQT | 34 min |
| Apr 10, 9:55 PM EDT | Mesoscale Discussion | SPC | 95 min |
| Apr 11, 7:48 AM EDT | River Flood Advisory | MQT | 30 hr |
| Apr 15, 4:56 AM EDT | Winter Weather Advisory | MQT | 63 hr |
| Apr 19, 5:10 AM EDT | Winter Weather Advisory | MQT | 18 hr |
| Apr 27, 4:02 PM EDT | Dense Fog Advisory | MQT | 6 hr |
| May 11, 3:15 AM EDT | Severe Thunderstorm Warning | MQT | 45 min |
| May 11, 4:19 AM EDT | Mesoscale Discussion | SPC | 56 min |
| May 22, 4:43 PM EDT | Tornado Watch | SPC | 5 hr |
| May 24, 4:33 AM EDT | Frost Advisory | MQT | 27 hr |
| May 26, 4:35 AM EDT | Freeze Watch | MQT | 10 hr |
| May 26, 3:00 PM EDT | Freeze Warning | MQT | 18 hr |
| May 30, 10:22 PM EDT | Lakeshore Flood Advisory | MQT | 10 hr |
| May 31, 1:00 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| May 31, 1:56 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| May 31, 2:46 PM EDT | Severe Thunderstorm Warning | MQT | 45 min |
| May 31, 3:47 PM EDT | Severe Thunderstorm Warning | MQT | 43 min |
| May 31, 4:12 PM EDT | Severe Thunderstorm Warning | MQT | 48 min |
| May 31, 4:22 PM EDT | Wind Advisory | MQT | 25 hr |
| Jun 3, 10:07 PM EDT | Mesoscale Discussion | SPC | 83 min |
| Jun 3, 11:49 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 6, 3:02 PM EDT | Mesoscale Discussion | SPC | 118 min |
| Jun 6, 6:27 PM EDT | Severe Thunderstorm Warning | MQT | 33 min |
| Jun 6, 6:45 PM EDT | Severe Thunderstorm Warning | MQT | 60 min |
| Jun 6, 7:15 PM EDT | Severe Thunderstorm Warning | MQT | 60 min |
| Jun 6, 7:31 PM EDT | Severe Thunderstorm Warning | MQT | 59 min |
| Jun 21, 4:11 PM EDT | Flash Flood Watch | MQT | 19 hr |
| Jul 1, 9:07 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 1, 11:04 PM EDT | Mesoscale Discussion | SPC | 116 min |
| Jul 2, 12:38 AM EDT | Mesoscale Discussion | SPC | 97 min |
| Jul 5, 7:31 PM EDT | Areal Flood Advisory | MQT | 3 hr |
| Jul 16, 4:24 PM EDT | Heat Advisory | MQT | 28 hr |
| Jul 19, 3:55 PM EDT | Heat Advisory | MQT | 29 hr |
| Jul 30, 2:04 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 30, 3:56 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 30, 5:10 PM EDT | Severe Thunderstorm Warning | MQT | 37 min |
| Jul 30, 5:23 PM EDT | Severe Thunderstorm Warning | MQT | 52 min |
| Aug 19, 8:59 AM EDT | Severe Thunderstorm Warning | MQT | 61 min |
| Aug 19, 4:44 PM EDT | Severe Thunderstorm Warning | MQT | 46 min |
| Sep 5, 4:11 AM EDT | Frost Advisory | MQT | 29 hr |
| Sep 6, 3:08 PM EDT | Frost Advisory | MQT | 17 hr |
| Sep 12, 6:31 PM EDT | Mesoscale Discussion | SPC | 119 min |
| Sep 12, 8:09 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Sep 12, 9:04 PM EDT | Severe Thunderstorm Warning | MQT | 24 min |
| Sep 12, 10:00 PM EDT | Severe Thunderstorm Warning | MQT | 60 min |
| Sep 12, 11:06 PM EDT | Mesoscale Discussion | SPC | 54 min |
| Sep 15, 4:55 AM EDT | Freeze Warning | MQT | 28 hr |
| Sep 27, 10:19 PM EDT | Dense Fog Advisory | MQT | 13 hr |
| Sep 28, 5:15 AM EDT | High Wind Watch | MQT | 11 hr |
| Sep 28, 4:08 PM EDT | High Wind Warning | MQT | 36 hr |
| Oct 19, 3:50 PM EDT | Wind Advisory | MQT | 25 hr |
| Nov 7, 3:23 PM EST | Winter Storm Watch | MQT | 37 hr |
| Nov 8, 3:15 PM EST | Winter Storm Warning | MQT | 37 hr |
| Nov 9, 5:21 AM EST | Lakeshore Flood Statement | MQT | 24 hr |
| Nov 18, 3:53 PM EST | Winter Weather Advisory | MQT | 35 hr |
| Nov 19, 4:40 AM EST | Winter Storm Warning | MQT | 22 hr |
| Nov 19, 2:05 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Dec 2, 4:33 PM EST | Winter Storm Watch | MQT | 13 hr |
| Dec 3, 5:06 AM EST | Winter Storm Warning | MQT | 29 hr |
| Dec 12, 8:52 PM EST | Freezing Rain Advisory | MQT | 14 hr |
| Dec 14, 4:00 AM EST | Dense Fog Advisory | MQT | 6 hr |
| Dec 14, 4:05 PM EST | Dense Fog Advisory | MQT | 12 hr |
| Dec 26, 4:02 PM EST | Lake Effect Snow Advisory | MQT | 19 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 archive20102012
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.