Alert archive / Michigan / Alger County
Weather alerts in Alger County, Michigan, 2013
93 weather alerts in 2013, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Alger County and its neighbors
Each county as a circle sized by its count in 2013. Tap one for its archive.
- Alerts
- 93
- Warnings
- 30
- Watches
- 12
- Advisories
- 39
- Busiest month
- January17 alerts
- Busiest day
- August 21, 20136 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Alger County, 2013
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 15 | 7 | 53% | 6 | 100% | 32 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2013
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Marquette, MI: tornado warnings | 4 | 0 | 100% | 0 | ||
| NWS Marquette, MI: severe thunderstorm warnings | 55 | 21 | 62% | 45 | 71% | 18 min |
| NWS Marquette, MI: flash flood warnings | 1 | 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 6, 3:22 PM EST | Wind Advisory | MQT | 24 hr |
| Jan 10, 8:21 PM EST | Freezing Rain Advisory | MQT | 11 hr |
| Jan 12, 4:22 AM EST | Lake Effect Snow Advisory | MQT | 51 hr |
| Jan 13, 7:09 PM EST | Lake Effect Snow Advisory | MQT | 18 hr |
| Jan 16, 4:09 AM EST | Lake Effect Snow Advisory | MQT | 51 hr |
| Jan 18, 4:18 AM EST | Lake Effect Snow Watch | MQT | 25 hr |
| Jan 18, 9:52 AM EST | Winter Weather Advisory | MQT | 13 hr |
| Jan 19, 4:56 AM EST | Lake Effect Snow Warning | MQT | 5 days |
| Jan 23, 3:58 PM EST | Lake Effect Snow Advisory | MQT | 18 hr |
| Jan 24, 4:17 AM EST | Winter Weather Advisory | MQT | 37 hr |
| Jan 27, 4:45 AM EST | Winter Weather Advisory | MQT | 30 hr |
| Jan 28, 3:53 PM EST | Freezing Rain Advisory | MQT | 20 hr |
| Jan 29, 4:56 AM EST | Winter Storm Watch | MQT | 11 hr |
| Jan 29, 4:25 PM EST | Lake Effect Snow Advisory | MQT | 4 days |
| Jan 29, 4:25 PM EST | Winter Storm Warning | MQT | 39 hr |
| Jan 30, 10:11 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Jan 31, 10:21 AM EST | Lake Effect Snow Warning | MQT | 27 hr |
| Feb 2, 4:10 PM EST | Lake Effect Snow Warning | MQT | 48 hr |
| Feb 9, 4:59 PM EST | Winter Weather Advisory | MQT | 47 hr |
| Feb 14, 4:36 AM EST | Lake Effect Snow Watch | MQT | 11 hr |
| Feb 14, 3:52 PM EST | Lake Effect Snow Warning | MQT | 63 hr |
| Feb 18, 5:03 AM EST | Winter Storm Warning | MQT | 60 hr |
| Feb 18, 5:03 AM EST | Winter Weather Advisory | MQT | 65 hr |
| Feb 19, 9:27 AM EST | Blizzard Warning | MQT | 32 hr |
| Feb 21, 3:10 PM EST | Winter Weather Advisory | MQT | 40 hr |
| Mar 9, 3:58 PM EST | Winter Storm Watch | MQT | 12 hr |
| Mar 10, 4:53 AM EDT | Winter Storm Warning | MQT | 40 hr |
| Mar 12, 4:05 AM EDT | Winter Weather Advisory | MQT | 24 hr |
| Mar 16, 4:38 AM EDT | Lake Effect Snow Advisory | MQT | 24 hr |
| Mar 17, 4:35 PM EDT | Winter Weather Advisory | MQT | 36 hr |
| Mar 18, 5:15 AM EDT | Winter Storm Watch | MQT | 11 hr |
| Mar 18, 5:15 AM EDT | Winter Storm Warning | MQT | 70 hr |
| Mar 21, 3:26 AM EDT | Lake Effect Snow Advisory | MQT | 11 hr |
| Mar 31, 4:45 AM EDT | Winter Weather Advisory | MQT | 33 hr |
| Apr 1, 2:25 AM EDT | Lake Effect Snow Warning | MQT | 12 hr |
| Apr 5, 4:27 PM EDT | Winter Weather Advisory | MQT | 34 hr |
| Apr 10, 4:15 PM EDT | Winter Storm Watch | MQT | 13 hr |
| Apr 11, 5:11 AM EDT | Winter Storm Warning | MQT | 31 hr |
| Apr 18, 3:40 PM EDT | Winter Weather Advisory | MQT | 40 hr |
| May 11, 4:05 PM EDT | Winter Weather Advisory | MQT | 13 hr |
| May 14, 4:04 PM EDT | Fire Weather Watch | MQT | 12 hr |
| May 15, 2:36 AM EDT | Red Flag Warning | MQT | 18 hr |
| Jun 3, 10:06 AM EDT | Frost Advisory | MQT | 22 hr |
| Jul 10, 4:23 AM EDT | Beach Hazards Statement | MQT | 18 hr |
| Jul 17, 3:38 PM EDT | Mesoscale Discussion | SPC | 67 min |
| Jul 18, 3:16 PM EDT | Mesoscale Discussion | SPC | 89 min |
| Jul 18, 7:33 PM EDT | Severe Thunderstorm Warning | MQT | 42 min |
| Jul 18, 7:45 PM EDT | Severe Thunderstorm Warning | MQT | 45 min |
| Jul 18, 8:09 PM EDT | Severe Thunderstorm Warning | MQT | 51 min |
| Jul 19, 5:39 AM EDT | Severe Thunderstorm Warning | MQT | 51 min |
| Jul 19, 5:56 AM EDT | Mesoscale Discussion | SPC | 94 min |
| Jul 22, 6:45 PM EDT | Mesoscale Discussion | SPC | 60 min |
| Jul 22, 8:36 PM EDT | Severe Thunderstorm Warning | MQT | 39 min |
| Jul 22, 8:42 PM EDT | Mesoscale Discussion | SPC | 63 min |
| Jul 22, 9:13 PM EDT | Severe Thunderstorm Warning | MQT | 47 min |
| Jul 23, 4:24 AM EDT | Beach Hazards Statement | MQT | 18 hr |
| Jul 31, 3:26 PM EDT | Severe Thunderstorm Warning | MQT | 49 min |
| Aug 21, 3:26 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 21, 4:08 PM EDT | Severe Thunderstorm Warning | MQT | 52 min |
| Aug 21, 4:46 PM EDT | Severe Thunderstorm Warning | MQT | 44 min |
| Aug 21, 4:49 PM EDT | Severe Thunderstorm Warning | MQT | 56 min |
| Aug 21, 4:59 PM EDT | Severe Thunderstorm Warning | MQT | 46 min |
| Aug 21, 5:44 PM EDT | Severe Thunderstorm Warning | MQT | 61 min |
| Aug 30, 3:54 AM EDT | Beach Hazards Statement | MQT | 20 hr |
| Sep 1, 3:45 PM EDT | Beach Hazards Statement | MQT | 38 hr |
| Sep 4, 4:11 AM EDT | Beach Hazards Statement | MQT | 18 hr |
| Sep 6, 2:04 PM EDT | Severe Thunderstorm Warning | MQT | 56 min |
| Sep 6, 2:57 PM EDT | Severe Thunderstorm Warning | MQT | 48 min |
| Sep 9, 10:33 PM EDT | Mesoscale Discussion | SPC | 117 min |
| Sep 13, 3:40 PM EDT | Frost Advisory | MQT | 16 hr |
| Sep 16, 2:23 PM EDT | Frost Advisory | MQT | 19 hr |
| Sep 20, 5:29 PM EDT | Severe Thunderstorm Warning | MQT | 46 min |
| Sep 22, 7:27 AM EDT | Frost Advisory | MQT | 25 hr |
| Oct 25, 2:44 PM EDT | Wind Advisory | MQT | 25 hr |
| Nov 7, 4:19 PM EST | Lake Effect Snow Advisory | MQT | 11 hr |
| Nov 10, 3:32 AM EST | Lake Effect Snow Watch | MQT | 12 hr |
| Nov 10, 3:22 PM EST | Lake Effect Snow Advisory | MQT | 36 hr |
| Nov 16, 3:20 PM EST | High Wind Watch | MQT | 13 hr |
| Nov 17, 4:48 AM EST | High Wind Warning | MQT | 31 hr |
| Nov 18, 11:24 AM EST | Winter Weather Advisory | MQT | 7 hr |
| Nov 21, 3:46 PM EST | Lake Effect Snow Watch | MQT | 13 hr |
| Nov 22, 4:57 AM EST | Lake Effect Snow Warning | MQT | 47 hr |
| Nov 22, 4:57 AM EST | Lake Effect Snow Advisory | MQT | 52 hr |
| Nov 25, 4:52 AM EST | Lake Effect Snow Advisory | MQT | 58 hr |
| Dec 4, 3:14 PM EST | Lake Effect Snow Advisory | MQT | 4 days |
| Dec 10, 4:46 AM EST | Lake Effect Snow Advisory | MQT | 56 hr |
| Dec 12, 4:46 AM EST | Lake Effect Snow Advisory | MQT | 35 hr |
| Dec 14, 3:31 PM EST | Lake Effect Snow Advisory | MQT | 33 hr |
| Dec 15, 4:21 AM EST | Lake Effect Snow Warning | MQT | 21 hr |
| Dec 25, 3:53 PM EST | Lake Effect Snow Advisory | MQT | 33 hr |
| Dec 28, 4:29 AM EST | Lake Effect Snow Advisory | MQT | 57 hr |
| Dec 29, 4:15 PM EST | Lake Effect Snow Watch | MQT | 23 hr |
| Dec 30, 3:43 PM EST | Lake Effect Snow Advisory | MQT | 3 days |
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.