Weather alerts in Michigan, 2015

2,477 weather alerts in 2015, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.

Weather alerts by county

Each county as a circle sized by its count in 2015. Tap one for its archive.

Alerts: 2,477
Warnings: 729
Watches: 134
Advisories: 811
Busiest month: June387 alerts
Busiest day: August 2, 2015115 alerts

Over time

By month

The alerts

2,477 alerts are too many to list on one page. Narrow it to a product above, to a month in the chart, or to a county.

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	240
Tornado Warning	18
Severe Thunderstorm Watch	11
Tornado Watch	5
Mesoscale Discussion	70
Special Weather Statement	658
Flooding
Areal Flood Warning	8
Flash Flood Warning	9
River Flood Warning	22
Flash Flood Watch	6
Flood Watch	2
Areal Flood Advisory	55
River Flood Advisory	81
Winter
Blizzard Warning	2
Lake Effect Snow Warning	4
Winter Storm Warning	23
Lake Effect Snow Watch	2
Winter Storm Watch	18
Freezing Rain Advisory	2
Lake Effect Snow Advisory	11
Winter Weather Advisory	87
Heat
Heat Advisory	3
Cold
Freeze Warning	23
Wind Chill Warning	11
Freeze Watch	7
Wind Chill Watch	2
Frost Advisory	31
Wind Chill Advisory	39
Wind and dust
High Wind Warning	5
High Wind Watch	5
Wind Advisory	21
Fire
Red Flag Warning	2
Fog and smoke
Dense Fog Advisory	37
Freezing Fog Advisory	4
Coast and beach
Lakeshore Flood Warning	4
Lakeshore Flood Watch	1
Lakeshore Flood Advisory	7
Beach Hazards Statement	75
Marine
Gale Warning	124
Heavy Freezing Spray Warning	26
Special Marine Warning	199
Storm Warning	9
Gale Watch	70
Heavy Freezing Spray Watch	3
Storm Watch	2
Low Water Advisory	6
Marine Dense Fog Advisory	39
Small Craft Advisory	388

By county

Every county with at least one alert. A county page lists each alert that covered it.

43 more counties

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force now Tornadoes on record The radar archive 2014 2016

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. Rebuilt daily.