Weather alerts in Illinois, 2012
2,167 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
- 2,167
- Warnings
- 1,025
- Watches
- 161
- Advisories
- 411
- Busiest month
- May332 alerts
- Busiest day
- March 2, 201261 alerts
Over time
By month
The alerts
2,167 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.
By county
Every county with at least one alert. A county page lists each alert that covered it.
- White County170
- LaSalle County163
- Gallatin County157
- Clinton County157
- Franklin County156
- Williamson County155
- Hamilton County154
- Jefferson County154
- Johnson County153
- Wayne County153
- Jackson County150
- Wabash County150
- Saint Clair County150
- Massac County149
- Saline County149
- Union County149
- DeKalb County148
- Grundy County148
- Edwards County147
- Pope County146
- Iroquois County144
- Washington County143
- Pulaski County141
- DuPage County141
- Kendall County141
- Kane County140
- Clay County140
- Livingston County140
- Lee County139
- Ogle County139
- Kankakee County139
- Marion County138
- Perry County137
- McHenry County136
- Alexander County135
- Lake County134
- Richland County133
- Boone County132
- Rock Island County132
- Hardin County131
62 more counties
- Henry County131
- Winnebago County131
- Lawrence County131
- Jasper County130
- Madison County129
- Monroe County125
- Ford County124
- Fayette County124
- Effingham County123
- Crawford County121
- Whiteside County119
- Mercer County119
- Clark County118
- Cumberland County117
- Bond County116
- Randolph County116
- Bureau County115
- Will County112
- Cook County110
- Shelby County109
- Champaign County107
- Edgar County107
- Coles County106
- Vermilion County104
- Carroll County103
- Warren County103
- Henderson County103
- Marshall County103
- McLean County102
- Putnam County100
- Stephenson County99
- Knox County99
- Tazewell County99
- Woodford County99
- Montgomery County98
- Douglas County97
- Peoria County97
- Stark County97
- Jo Daviess County96
- Hancock County96
- Calhoun County96
- Logan County95
- Macoupin County95
- Jersey County94
- DeWitt County93
- Moultrie County93
- Piatt County91
- McDonough County90
- Sangamon County90
- Greene County89
- Fulton County87
- Christian County83
- Mason County83
- Morgan County83
- Macon County82
- Menard County78
- Cass County77
- Pike County76
- Scott County75
- Schuyler County74
- Brown County67
- Adams County64
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20112013
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.