Weather alerts in Illinois, 2003
1,427 weather alerts in 2003, 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 2003. Tap one for its archive.
- Alerts
- 1,427
- Warnings
- 1,073
- Watches
- 115
- Advisories
- 0
- Busiest month
- May534 alerts
- Busiest day
- May 10, 2003112 alerts
Over time
By month
The alerts
1,427 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 | 708 |
| Tornado Warning | 208 |
| Severe Thunderstorm Watch | 78 |
| Tornado Watch | 37 |
| Mesoscale Discussion | 239 |
| Flooding | |
| Flash Flood Warning | 92 |
| Marine | |
| Special Marine Warning | 65 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Champaign County121
- Vermilion County119
- McLean County117
- Logan County115
- Tazewell County114
- Iroquois County109
- Christian County108
- DeWitt County108
- Macon County108
- Livingston County108
- Woodford County106
- Sangamon County105
- Ford County104
- Piatt County103
- Will County101
- Marshall County100
- Edgar County99
- LaSalle County99
- Mason County98
- Morgan County98
- Kankakee County98
- Douglas County96
- Coles County94
- Effingham County93
- Peoria County92
- Knox County91
- Stark County91
- Jasper County90
- Clark County89
- Moultrie County86
- Fulton County86
- Crawford County85
- Menard County85
- Scott County85
- Shelby County85
- Grundy County85
- Putnam County85
- Cumberland County84
- Cook County84
- Lawrence County83
62 more counties
- Cass County82
- Clay County82
- Richland County82
- Henry County82
- Washington County82
- Adams County82
- Fayette County81
- Bureau County81
- Brown County81
- Schuyler County81
- Montgomery County79
- Hancock County79
- Henderson County79
- Warren County79
- McDonough County78
- Jackson County77
- Jefferson County77
- Rock Island County77
- Pike County77
- Mercer County75
- Perry County74
- Randolph County74
- DeKalb County74
- Macoupin County73
- Kendall County73
- Monroe County72
- Bond County71
- Hardin County71
- Kane County71
- Lee County71
- Wayne County70
- Franklin County70
- Pope County70
- Saint Clair County70
- DuPage County70
- Greene County69
- Madison County69
- Alexander County68
- Clinton County68
- Edwards County67
- Johnson County67
- Saline County67
- Union County67
- Wabash County67
- Marion County65
- White County65
- Williamson County65
- Gallatin County64
- Hamilton County64
- Ogle County63
- Jersey County62
- Pulaski County61
- Calhoun County61
- Massac County60
- Stephenson County60
- Winnebago County60
- Whiteside County59
- Boone County59
- Carroll County54
- Jo Daviess County54
- Lake County53
- McHenry County52
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20022004
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.