Alert archive / Illinois / Severe Thunderstorm Watches / 2003
Severe Thunderstorm Watches in Illinois, April 2003
7 severe thunderstorm watches in April 2003. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of severe thunderstorm watches reaches back to 1997.
Severe Thunderstorm Watches by county
Each county as a circle sized by its count in April 2003. Tap one for its archive.
- Severe Thunderstorm Watches
- 7
- Busiest day
- April 20, 20033 severe thunderstorm watches
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 |
|---|---|---|---|---|
| Apr 20, 1:50 AM CDT | Severe Thunderstorm Watch | SPC | Jackson, Monroe, Perry, Randolph, Washington | 5 hr |
| Apr 20, 12:20 PM CDT | Severe Thunderstorm Watch | SPC | Clark, Crawford, Edgar, Edwards, Hamilton, Jasper and 6 more | 6 hr |
| Apr 20, 1:45 PM CDT | Severe Thunderstorm Watch | SPC | Gallatin, Hardin, Johnson, Massac, Pope, Saline | 5 hr |
| Apr 28, 2:35 PM CDT | Severe Thunderstorm Watch | SPC | Alexander, Clinton, Jackson, Monroe, Perry, Randolph and 3 more | 5 hr |
| Apr 29, 2:05 PM CDT | Severe Thunderstorm Watch | SPC | Alexander, Jackson, Monroe, Perry, Pulaski, Randolph and 2 more | 5 hr |
| Apr 30, 1:00 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Bureau, Cass, Champaign, DeWitt and 30 more | 5 hr |
| Apr 30, 5:50 PM CDT | Severe Thunderstorm Watch | SPC | Bureau, Cook, DeKalb, DuPage, Grundy, Henry and 15 more | 5 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Jackson County3
- Monroe County3
- Perry County3
- Randolph County3
- Washington County3
- Vermilion County2
- Alexander County2
- Union County2
- Bureau County2
- Grundy County2
- Henry County2
- Iroquois County2
- Kankakee County2
- Kendall County2
- Knox County2
- LaSalle County2
- Livingston County2
- Marshall County2
- Peoria County2
- Putnam County2
- Stark County2
- Will County2
- Woodford County2
- Clark County1
- Crawford County1
- Edgar County1
- Edwards County1
- Hamilton County1
- Jasper County1
- Lawrence County1
- Richland County1
- Wabash County1
- Wayne County1
- White County1
- Gallatin County1
- Hardin County1
- Johnson County1
- Massac County1
- Pope County1
- Saline County1
29 more counties
- Clinton County1
- Saint Clair County1
- Pulaski County1
- Adams County1
- Brown County1
- Cass County1
- Champaign County1
- DeWitt County1
- Ford County1
- Fulton County1
- Hancock County1
- Henderson County1
- Logan County1
- McDonough County1
- McLean County1
- Mason County1
- Menard County1
- Mercer County1
- Piatt County1
- Rock Island County1
- Schuyler County1
- Tazewell County1
- Warren County1
- Cook County1
- DeKalb County1
- DuPage County1
- Kane County1
- Lee County1
- Whiteside County1
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. Warning verification from the Mesonet's Cow. Rebuilt daily.