Alert archive / Illinois / 2004
Weather alerts in Illinois, March 2004
25 weather alerts in March 2004, 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 March 2004. Tap one for its archive.
- Alerts
- 25
- Warnings
- 15
- Watches
- 1
- Advisories
- 0
- Busiest day
- March 20, 200410 alerts
Over time
By day
Days in UTC, the clock the archive keeps.
The alerts
Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 1, 10:06 AM CST | Mesoscale Discussion | SPC | Adams, Brown, Bureau, Carroll, Cass, Fulton and 22 more | 84 min |
| Mar 1, 11:30 AM CST | Severe Thunderstorm Watch | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 32 more | 6 hr |
| Mar 1, 1:30 PM CST | Mesoscale Discussion | SPC | Boone, Cook, DeKalb, DuPage, Ford, Grundy and 8 more | 60 min |
| Mar 1, 2:05 PM CST | Severe Thunderstorm Warning | LOT | Boone, DeKalb, Kane, McHenry | 25 min |
| Mar 1, 3:05 PM CST | Severe Thunderstorm Warning | LOT | Cook, Lake | 40 min |
| Mar 1, 4:39 PM CST | Special Marine Warning | LOT | 51 min | |
| Mar 1, 4:39 PM CST | Special Marine Warning | LOT | 51 min | |
| Mar 4, 9:24 PM CST | Mesoscale Discussion | SPC | Alexander | 66 min |
| Mar 15, 12:56 PM CST | Mesoscale Discussion | SPC | Henderson, Henry, Knox, Mercer, Rock Island, Stark and 1 more | 4 hr |
| Mar 16, 3:16 AM CST | Mesoscale Discussion | SPC | Champaign, Edgar, Vermilion | 4 hr |
| Mar 20, 6:54 AM CST | Severe Thunderstorm Warning | LSX | Clinton | 51 min |
| Mar 20, 7:43 AM CST | Severe Thunderstorm Warning | LSX | Washington | 47 min |
| Mar 20, 8:56 AM CST | Severe Thunderstorm Warning | PAH | Union | 34 min |
| Mar 20, 9:12 AM CST | Severe Thunderstorm Warning | PAH | Franklin | 33 min |
| Mar 20, 9:20 AM CST | Mesoscale Discussion | SPC | Alexander, Gallatin, Hardin, Johnson, Massac, Pope and 1 more | 85 min |
| Mar 20, 9:21 AM CST | Severe Thunderstorm Warning | PAH | Williamson | 24 min |
| Mar 20, 9:24 AM CST | Severe Thunderstorm Warning | PAH | Johnson, Union | 51 min |
| Mar 20, 1:36 PM CST | Severe Thunderstorm Warning | PAH | Union | 39 min |
| Mar 20, 2:15 PM CST | Severe Thunderstorm Warning | PAH | Saline | 30 min |
| Mar 20, 2:19 PM CST | Severe Thunderstorm Warning | PAH | Johnson | 26 min |
| Mar 24, 9:34 AM CST | Mesoscale Discussion | SPC | Bureau, Henry, Knox, LaSalle, Lee, Marshall and 8 more | 56 min |
| Mar 26, 12:23 PM CST | Flash Flood Warning | LSX | Marion | 4 hr |
| Mar 26, 4:15 PM CST | Flash Flood Warning | ILX | Vermilion | 3 hr |
| Mar 28, 12:18 PM CST | Mesoscale Discussion | SPC | Monroe, Randolph | 117 min |
| Mar 28, 2:43 PM CST | Mesoscale Discussion | SPC | Cook, DuPage, Grundy, Kane, Kankakee, Kendall and 3 more | 2 hr |
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 | 11 |
| Severe Thunderstorm Watch | 1 |
| Mesoscale Discussion | 9 |
| Flooding | |
| Flash Flood Warning | 2 |
| Marine | |
| Special Marine Warning | 2 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Henry County4
- Knox County4
- Mercer County4
- Rock Island County4
- Stark County4
- Warren County4
- Cook County4
- Kane County4
- Lake County4
- Bureau County3
- Henderson County3
- Lee County3
- Marshall County3
- Peoria County3
- Putnam County3
- Whiteside County3
- Woodford County3
- Boone County3
- DeKalb County3
- DuPage County3
- Grundy County3
- Kankakee County3
- Kendall County3
- Livingston County3
- McHenry County3
- Will County3
- Union County3
- Johnson County3
- Carroll County2
- Fulton County2
- Jo Daviess County2
- McDonough County2
- Ogle County2
- Stephenson County2
- Tazewell County2
- Winnebago County2
- Ford County2
- Iroquois County2
- LaSalle County2
- Alexander County2
23 more counties
- Vermilion County2
- Adams County1
- Brown County1
- Cass County1
- Hancock County1
- Mason County1
- Schuyler County1
- McLean County1
- Champaign County1
- Edgar County1
- Clinton County1
- Washington County1
- Franklin County1
- Gallatin County1
- Hardin County1
- Massac County1
- Pope County1
- Pulaski County1
- Williamson County1
- Saline County1
- Marion County1
- Monroe County1
- Randolph County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20032005
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.