Alert archive / Illinois / 1999
Weather alerts in Illinois, April 1999
114 weather alerts in April 1999, 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 April 1999. Tap one for its archive.
- Alerts
- 114
- Warnings
- 102
- Watches
- 12
- Advisories
- 0
- Busiest day
- April 9, 199940 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 |
|---|---|---|---|---|
| Apr 3, 4:36 AM CST | Flash Flood Warning | PAH | Massac, Pope | 3 hr |
| Apr 3, 6:55 AM CST | Severe Thunderstorm Warning | ILX | Macon | 35 min |
| Apr 3, 1:30 PM CST | Tornado Watch | SPC | Alexander, Gallatin, Hardin, Johnson, Massac, Pope and 3 more | 6 hr |
| Apr 3, 1:37 PM CST | Severe Thunderstorm Warning | PAH | Alexander | 38 min |
| Apr 3, 2:13 PM CST | Severe Thunderstorm Warning | PAH | Johnson, Pulaski | 47 min |
| Apr 3, 2:57 PM CST | Severe Thunderstorm Warning | PAH | Pope | 33 min |
| Apr 3, 7:00 PM CST | Severe Thunderstorm Watch | SPC | Alexander, Franklin, Gallatin, Hardin, Jackson, Johnson and 6 more | 5 hr |
| Apr 5, 4:00 PM CDT | Tornado Watch | SPC | Adams, Alexander, Bond, Brown, Calhoun, Cass and 28 more | 6 hr |
| Apr 5, 5:08 PM CDT | Severe Thunderstorm Warning | LSX | Randolph | 32 min |
| Apr 5, 5:18 PM CDT | Severe Thunderstorm Warning | PAH | Alexander | 27 min |
| Apr 5, 5:26 PM CDT | Severe Thunderstorm Warning | PAH | Jackson, Union | 34 min |
| Apr 5, 6:15 PM CDT | Severe Thunderstorm Warning | PAH | Massac | 45 min |
| Apr 5, 6:26 PM CDT | Tornado Warning | LSX | Adams | 49 min |
| Apr 5, 6:28 PM CDT | Severe Thunderstorm Warning | PAH | Pope | 47 min |
| Apr 5, 6:30 PM CDT | Severe Thunderstorm Watch | SPC | Clark, Clay, Crawford, Cumberland, Edwards, Effingham and 9 more | 5 hr |
| Apr 5, 6:31 PM CDT | Tornado Warning | PAH | Pope | 44 min |
| Apr 5, 6:45 PM CDT | Severe Thunderstorm Warning | PAH | Hardin | 45 min |
| Apr 5, 7:00 PM CDT | Tornado Warning | PAH | Gallatin, Hardin, Saline | 45 min |
| Apr 5, 7:00 PM CDT | Tornado Watch | SPC | Bureau, Fulton, Hancock, Henderson, Henry, Knox and 9 more | 4 hr |
| Apr 5, 7:23 PM CDT | Severe Thunderstorm Warning | ILX | Schuyler | 37 min |
| Apr 5, 7:27 PM CDT | Severe Thunderstorm Warning | ILX | Macon, Moultrie | 33 min |
| Apr 5, 7:36 PM CDT | Severe Thunderstorm Warning | ILX | Coles | 39 min |
| Apr 8, 5:15 PM CDT | Tornado Watch | SPC | Adams, Brown, Cass, Fulton, Hancock, Henderson and 8 more | 4 hr |
| Apr 8, 5:15 PM CDT | Tornado Watch | SPC | Calhoun, Greene, Jersey, Macoupin, Morgan, Pike and 1 more | 4 hr |
| Apr 8, 6:17 PM CDT | Tornado Warning | DVN | Hancock | 48 min |
| Apr 8, 6:58 PM CDT | Tornado Warning | DVN | Hancock | 47 min |
| Apr 8, 7:08 PM CDT | Tornado Warning | LSX | Adams | 47 min |
| Apr 8, 7:15 PM CDT | Tornado Warning | DVN | Henderson, McDonough, Warren | 45 min |
| Apr 8, 7:38 PM CDT | Tornado Warning | LSX | Pike | 47 min |
| Apr 8, 7:44 PM CDT | Tornado Warning | ILX | Knox | 46 min |
| Apr 8, 7:47 PM CDT | Tornado Warning | ILX | Scott | 28 min |
| Apr 8, 7:54 PM CDT | Tornado Warning | DVN | Warren | 46 min |
| Apr 8, 8:00 PM CDT | Tornado Watch | SPC | Bond, Bureau, Cass, Champaign, Christian, Clark and 51 more | 5 hr |
| Apr 8, 8:16 PM CDT | Tornado Warning | ILX | Morgan, Scott | 44 min |
| Apr 8, 8:20 PM CDT | Tornado Warning | DVN | Henry | 40 min |
| Apr 8, 8:27 PM CDT | Tornado Warning | LSX | Greene | 48 min |
| Apr 8, 8:32 PM CDT | Tornado Warning | ILX | Fulton, Knox | 28 min |
| Apr 8, 8:42 PM CDT | Severe Thunderstorm Warning | ILX | Peoria, Stark | 48 min |
| Apr 8, 8:56 PM CDT | Severe Thunderstorm Warning | ILX | Sangamon | 64 min |
| Apr 8, 9:17 PM CDT | Severe Thunderstorm Warning | ILX | Marshall, Woodford | 58 min |
| Apr 8, 9:17 PM CDT | Tornado Warning | ILX | Menard | 28 min |
| Apr 8, 9:29 PM CDT | Severe Thunderstorm Warning | ILX | Peoria | 31 min |
| Apr 8, 9:38 PM CDT | Severe Thunderstorm Warning | ILX | Tazewell | 37 min |
| Apr 8, 9:41 PM CDT | Severe Thunderstorm Warning | ILX | Logan | 34 min |
| Apr 8, 9:47 PM CDT | Severe Thunderstorm Warning | ILX | Christian, Macon | 58 min |
| Apr 8, 10:02 PM CDT | Tornado Warning | ILX | Christian | 28 min |
| Apr 8, 10:13 PM CDT | Tornado Warning | ILX | Macon | 32 min |
| Apr 8, 10:17 PM CDT | Severe Thunderstorm Warning | LSX | Bond, Montgomery | 43 min |
| Apr 8, 10:20 PM CDT | Severe Thunderstorm Warning | LSX | Fayette | 50 min |
| Apr 8, 10:28 PM CDT | Severe Thunderstorm Warning | ILX | Shelby | 47 min |
| Apr 8, 10:32 PM CDT | Severe Thunderstorm Warning | ILX | Moultrie, Piatt | 28 min |
| Apr 8, 10:37 PM CDT | Tornado Warning | ILX | Piatt | 23 min |
| Apr 8, 10:47 PM CDT | Tornado Warning | ILX | Champaign | 28 min |
| Apr 8, 10:54 PM CDT | Tornado Warning | ILX | Effingham | 36 min |
| Apr 8, 10:56 PM CDT | Severe Thunderstorm Warning | ILX | Coles, Douglas | 34 min |
| Apr 8, 11:13 PM CDT | Tornado Warning | ILX | Cumberland | 32 min |
| Apr 8, 11:15 PM CDT | Tornado Warning | ILX | Shelby | 15 min |
| Apr 8, 11:17 PM CDT | Tornado Warning | ILX | Champaign, Vermilion | 28 min |
| Apr 8, 11:20 PM CDT | Severe Thunderstorm Warning | ILX | Vermilion | 25 min |
| Apr 8, 11:30 PM CDT | Tornado Warning | ILX | Coles, Edgar | 30 min |
| Apr 8, 11:33 PM CDT | Severe Thunderstorm Warning | ILX | Clay, Effingham, Jasper | 42 min |
| Apr 8, 11:45 PM CDT | Tornado Warning | ILX | Clark, Cumberland | 30 min |
| Apr 8, 11:48 PM CDT | Severe Thunderstorm Warning | ILX | Vermilion | 27 min |
| Apr 8, 11:52 PM CDT | Tornado Warning | ILX | Edgar | 38 min |
| Apr 9, 12:00 AM CDT | Severe Thunderstorm Warning | ILX | Crawford | 30 min |
| Apr 9, 12:26 AM CDT | Severe Thunderstorm Warning | ILX | Crawford | 19 min |
| Apr 10, 2:48 PM CDT | Severe Thunderstorm Warning | DVN | Bureau | 32 min |
| Apr 10, 3:09 PM CDT | Severe Thunderstorm Warning | DVN | Putnam | 31 min |
| Apr 10, 3:35 PM CDT | Severe Thunderstorm Warning | LOT | LaSalle | 30 min |
| Apr 10, 4:30 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, Kendall, Will | 30 min |
| Apr 10, 4:52 PM CDT | Severe Thunderstorm Warning | LOT | Cook, Will | 38 min |
| Apr 10, 7:30 PM CDT | Tornado Watch | SPC | Alexander, Bond, Christian, Clark, Clay, Clinton and 36 more | 6 hr |
| Apr 10, 7:43 PM CDT | Severe Thunderstorm Warning | LSX | Montgomery | 47 min |
| Apr 10, 7:54 PM CDT | Severe Thunderstorm Warning | LSX | Monroe | 46 min |
| Apr 10, 8:21 PM CDT | Severe Thunderstorm Warning | LSX | Saint Clair | 49 min |
| Apr 10, 8:48 PM CDT | Severe Thunderstorm Warning | ILX | Macon, Piatt | 42 min |
| Apr 10, 9:17 PM CDT | Severe Thunderstorm Warning | ILX | Champaign | 43 min |
| Apr 10, 9:31 PM CDT | Severe Thunderstorm Warning | ILX | Piatt | 29 min |
| Apr 10, 9:37 PM CDT | Severe Thunderstorm Warning | ILX | Vermilion | 38 min |
| Apr 10, 9:51 PM CDT | Severe Thunderstorm Warning | ILX | Douglas, Moultrie | 39 min |
| Apr 10, 10:01 PM CDT | Severe Thunderstorm Warning | ILX | Champaign | 44 min |
| Apr 10, 10:42 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt | 33 min |
| Apr 10, 10:57 PM CDT | Severe Thunderstorm Warning | ILX | McLean | 48 min |
| Apr 20, 9:15 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Calhoun, Pike | 5 hr |
| Apr 20, 11:56 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Pike | 49 min |
| Apr 21, 12:40 AM CDT | Severe Thunderstorm Warning | LSX | Brown | 35 min |
| Apr 21, 1:18 AM CDT | Severe Thunderstorm Warning | ILX | McLean | 42 min |
| Apr 21, 1:30 AM CDT | Severe Thunderstorm Warning | ILX | Champaign, Douglas | 45 min |
| Apr 21, 1:38 AM CDT | Severe Thunderstorm Warning | ILX | Morgan, Sangamon | 37 min |
| Apr 21, 5:54 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, LaSalle | 31 min |
| Apr 21, 7:04 PM CDT | Severe Thunderstorm Warning | LOT | Iroquois, Kankakee | 26 min |
| Apr 21, 8:39 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage, Kane | 36 min |
| Apr 21, 9:24 PM CDT | Severe Thunderstorm Warning | LOT | Cook | 36 min |
| Apr 21, 11:28 PM CDT | Severe Thunderstorm Warning | LOT | DeKalb, Ogle | 47 min |
| Apr 22, 1:18 PM CDT | Flash Flood Warning | LOT | Iroquois, Kankakee | 6 hr |
| Apr 22, 1:18 PM CDT | Flash Flood Warning | LOT | Ford, Livingston | 6 hr |
| Apr 22, 4:25 PM CDT | Severe Thunderstorm Warning | DVN | Bureau, Henry | 50 min |
| Apr 22, 4:48 PM CDT | Severe Thunderstorm Warning | DVN | Bureau | 47 min |
| Apr 22, 6:30 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Bond, Brown, Calhoun, Cass, Champaign and 37 more | 6 hr |
| Apr 22, 6:42 PM CDT | Severe Thunderstorm Warning | PAH | Gallatin, Hardin, Saline | 33 min |
| Apr 22, 6:50 PM CDT | Severe Thunderstorm Warning | ILX | Fulton | 40 min |
| Apr 22, 7:12 PM CDT | Severe Thunderstorm Warning | LOT | DeKalb, Kendall, LaSalle | 33 min |
| Apr 22, 7:45 PM CDT | Severe Thunderstorm Warning | LOT | DeKalb, Kendall, LaSalle | 30 min |
| Apr 22, 8:59 PM CDT | Tornado Warning | DVN | Henderson | 31 min |
| Apr 22, 9:11 PM CDT | Tornado Warning | DVN | Warren | 34 min |
| Apr 22, 9:25 PM CDT | Tornado Warning | ILX | Knox | 35 min |
| Apr 22, 9:34 PM CDT | Flash Flood Warning | LOT | DeKalb, Kane | 3 hr |
| Apr 22, 9:34 PM CDT | Flash Flood Warning | LOT | LaSalle | 3 hr |
| Apr 22, 9:44 PM CDT | Tornado Warning | DVN | Warren | 16 min |
| Apr 22, 9:55 PM CDT | Tornado Warning | ILX | Knox | 35 min |
| Apr 22, 10:32 PM CDT | Tornado Warning | ILX | Knox | 33 min |
| Apr 27, 2:30 PM CDT | Tornado Watch | SPC | Alexander, Clark, Clay, Clinton, Crawford, Cumberland and 26 more | 7 hr |
| Apr 27, 6:08 PM CDT | Severe Thunderstorm Warning | PAH | Wayne | 17 min |
| Apr 27, 6:28 PM CDT | Severe Thunderstorm Warning | PAH | Edwards | 32 min |
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 | 64 |
| Tornado Warning | 33 |
| Severe Thunderstorm Watch | 4 |
| Tornado Watch | 8 |
| Flooding | |
| Flash Flood Warning | 5 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Pope County9
- Knox County9
- Hardin County8
- Massac County7
- Macon County7
- Alexander County7
- Gallatin County7
- Saline County7
- Shelby County7
- Warren County7
- Champaign County7
- Johnson County6
- Pulaski County6
- Adams County6
- Christian County6
- Fayette County6
- Montgomery County6
- Morgan County6
- Pike County6
- Cumberland County6
- Effingham County6
- Fulton County6
- LaSalle County6
- Piatt County6
- Williamson County5
- Jackson County5
- Union County5
- Bond County5
- Calhoun County5
- Clinton County5
- Jersey County5
- Macoupin County5
- Sangamon County5
- Scott County5
- Clark County5
- Clay County5
- Crawford County5
- Edwards County5
- Jasper County5
- Wayne County5
53 more counties
- Bureau County5
- Hancock County5
- Peoria County5
- Moultrie County5
- Coles County5
- Vermilion County5
- Franklin County4
- Brown County4
- Cass County4
- Greene County4
- Jefferson County4
- Madison County4
- Marion County4
- Monroe County4
- Saint Clair County4
- Washington County4
- Richland County4
- Wabash County4
- Henderson County4
- Henry County4
- McDonough County4
- Mason County4
- Schuyler County4
- Stark County4
- Tazewell County4
- Menard County4
- Douglas County4
- Iroquois County4
- Kankakee County4
- Kendall County4
- McLean County4
- DeKalb County4
- Perry County3
- Randolph County3
- Lawrence County3
- White County3
- DeWitt County3
- Edgar County3
- Ford County3
- Grundy County3
- Livingston County3
- Logan County3
- Marshall County3
- Putnam County3
- Will County3
- Woodford County3
- Cook County3
- Mercer County2
- Rock Island County2
- Hamilton County2
- Kane County2
- DuPage County1
- Ogle County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive19982000
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.