Weather alerts in Illinois, 2006
1,956 weather alerts in 2006, 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 2006. Tap one for its archive.
- Alerts
- 1,956
- Warnings
- 1,377
- Watches
- 146
- Advisories
- 145
- Busiest month
- April408 alerts
- Busiest day
- March 13, 200690 alerts
Over time
By month
The alerts
1,956 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 | 988 |
| Tornado Warning | 213 |
| Severe Thunderstorm Watch | 72 |
| Tornado Watch | 43 |
| Mesoscale Discussion | 282 |
| Special Weather Statement | 4 |
| Flooding | |
| Flash Flood Warning | 90 |
| Flash Flood Watch | 9 |
| Flood Watch | 4 |
| Winter | |
| Blizzard Warning | 1 |
| Heavy Snow Warning | 5 |
| Ice Storm Warning | 1 |
| Winter Storm Warning | 11 |
| Winter Storm Watch | 12 |
| Blowing Snow Advisory | 1 |
| Freezing Rain Advisory | 1 |
| Snow Advisory | 8 |
| Winter Weather Advisory | 23 |
| Heat | |
| Excessive Heat Warning | 4 |
| Excessive Heat Watch | 5 |
| Heat Advisory | 15 |
| Cold | |
| Freeze Warning | 9 |
| Freeze Watch | 1 |
| Frost Advisory | 12 |
| Wind Chill Advisory | 4 |
| Wind and dust | |
| High Wind Warning | 1 |
| Wind Advisory | 27 |
| Fire | |
| Red Flag Warning | 2 |
| Fog and smoke | |
| Dense Fog Advisory | 53 |
| Coast and beach | |
| Lakeshore Flood Advisory | 1 |
| Marine | |
| Special Marine Warning | 52 |
| Marine Weather Statement | 2 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Pulaski County147
- Alexander County145
- LaSalle County145
- Shelby County142
- Johnson County141
- Macon County141
- Ogle County141
- Winnebago County141
- Grundy County140
- Kane County140
- Kankakee County140
- Massac County139
- Union County139
- Piatt County139
- DeKalb County139
- Williamson County138
- McLean County138
- Pope County137
- Gallatin County136
- Jackson County136
- Iroquois County136
- Livingston County136
- Lee County136
- Saline County134
- DeWitt County134
- Champaign County134
- Washington County133
- Hamilton County133
- Randolph County132
- Christian County132
- Jefferson County132
- Wayne County131
- Saint Clair County130
- Franklin County130
- Sangamon County130
- Logan County130
- DuPage County130
- Perry County129
- White County127
- Kendall County127
62 more counties
- Boone County127
- Tazewell County126
- Vermilion County126
- Hardin County125
- Madison County125
- Morgan County125
- McHenry County125
- Moultrie County124
- Douglas County124
- Ford County124
- Edwards County122
- Mason County122
- Will County122
- Coles County121
- Monroe County120
- Fayette County120
- Woodford County120
- Calhoun County118
- Montgomery County118
- Wabash County118
- Fulton County118
- Crawford County117
- Peoria County117
- Bond County116
- Menard County116
- Macoupin County115
- Clinton County114
- Scott County114
- Effingham County114
- Cumberland County114
- Jasper County114
- Richland County114
- Stephenson County114
- Pike County113
- Edgar County113
- Whiteside County113
- Lake County113
- Clark County112
- Carroll County112
- Cass County111
- Marion County111
- Marshall County111
- Jersey County110
- Clay County109
- Lawrence County109
- Putnam County109
- Greene County108
- Jo Daviess County108
- Bureau County108
- Schuyler County107
- Rock Island County104
- Henry County104
- Knox County103
- Mercer County102
- Cook County101
- Stark County99
- Brown County98
- Adams County96
- Warren County94
- Henderson County90
- McDonough County89
- Hancock County85
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20052007
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.