Weather alerts in Michigan, 2012

2,410 weather alerts in 2012, 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 2012. Tap one for its archive.

Alerts: 2,410
Warnings: 923
Watches: 191
Advisories: 881
Busiest month: July361 alerts
Busiest day: May 3, 201284 alerts

Over time

By month

The alerts

2,410 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	308
Tornado Warning	23
Severe Thunderstorm Watch	20
Tornado Watch	3
Mesoscale Discussion	96
Special Weather Statement	276
Flooding
Areal Flood Warning	2
Flash Flood Warning	23
River Flood Warning	8
Flash Flood Watch	1
Flood Watch	1
River Flood Watch	1
Areal Flood Advisory	37
River Flood Advisory	42
Winter
Blizzard Warning	2
Ice Storm Warning	1
Lake Effect Snow Warning	9
Winter Storm Warning	27
Lake Effect Snow Watch	4
Winter Storm Watch	23
Freezing Rain Advisory	5
Lake Effect Snow Advisory	24
Winter Weather Advisory	64
Heat
Excessive Heat Warning	4
Excessive Heat Watch	3
Heat Advisory	16
Cold
Freeze Warning	60
Hard Freeze Warning	1
Freeze Watch	16
Hard Freeze Watch	2
Frost Advisory	46
Wind Chill Advisory	1
Wind and dust
High Wind Warning	5
High Wind Watch	3
Wind Advisory	47
Fire
Red Flag Warning	16
Fire Weather Watch	10
Fog and smoke
Dense Fog Advisory	45
Freezing Fog Advisory	1
Coast and beach
Lakeshore Flood Warning	2
Lakeshore Flood Watch	1
Lakeshore Flood Advisory	1
Beach Hazards Statement	13
Lakeshore Flood Statement	1
Rip Current Statement	29
Marine
Gale Warning	165
Heavy Freezing Spray Warning	7
Special Marine Warning	250
Storm Warning	10
Gale Watch	97
Heavy Freezing Spray Watch	2
Storm Watch	4
Brisk Wind Advisory	1
Low Water Advisory	12
Marine Dense Fog Advisory	24
Small Craft Advisory	515

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 2011 2013

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.