Alert archive / Illinois / 1999
Weather alerts in Illinois, August 1999
79 weather alerts in August 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 August 1999. Tap one for its archive.
- Alerts
- 79
- Warnings
- 74
- Watches
- 5
- Advisories
- 0
- Busiest day
- August 13, 199937 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 |
|---|---|---|---|---|
| Aug 12, 6:15 PM CDT | Severe Thunderstorm Warning | LSX | Adams | 50 min |
| Aug 12, 6:30 PM CDT | Severe Thunderstorm Warning | LSX | Brown | 45 min |
| Aug 12, 6:37 PM CDT | Severe Thunderstorm Warning | ILX | Schuyler | 53 min |
| Aug 12, 6:45 PM CDT | Tornado Watch | SPC | Adams, Bond, Brown, Calhoun, Cass, Champaign and 34 more | 5 hr |
| Aug 12, 7:17 PM CDT | Severe Thunderstorm Warning | ILX | Fulton | 43 min |
| Aug 12, 7:19 PM CDT | Severe Thunderstorm Warning | LSX | Brown | 26 min |
| Aug 12, 7:20 PM CDT | Severe Thunderstorm Warning | ILX | Cass, Mason | 70 min |
| Aug 12, 7:25 PM CDT | Severe Thunderstorm Warning | ILX | Schuyler | 65 min |
| Aug 12, 7:38 PM CDT | Severe Thunderstorm Warning | ILX | Menard | 52 min |
| Aug 12, 7:44 PM CDT | Tornado Warning | ILX | Mason | 46 min |
| Aug 12, 7:46 PM CDT | Severe Thunderstorm Warning | LSX | Brown | 44 min |
| Aug 12, 7:48 PM CDT | Tornado Warning | LSX | Brown | 47 min |
| Aug 12, 7:52 PM CDT | Severe Thunderstorm Warning | ILX | Logan | 53 min |
| Aug 12, 8:07 PM CDT | Tornado Warning | LSX | Pike | 48 min |
| Aug 12, 8:09 PM CDT | Severe Thunderstorm Warning | ILX | Tazewell | 51 min |
| Aug 12, 8:16 PM CDT | Severe Thunderstorm Warning | ILX | Morgan, Scott | 59 min |
| Aug 12, 8:24 PM CDT | Severe Thunderstorm Warning | ILX | Cass | 66 min |
| Aug 12, 8:31 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt, McLean | 59 min |
| Aug 12, 8:41 PM CDT | Severe Thunderstorm Warning | ILX | Macon | 64 min |
| Aug 12, 8:55 PM CDT | Severe Thunderstorm Warning | ILX | Menard, Sangamon | 65 min |
| Aug 12, 9:03 PM CDT | Severe Thunderstorm Warning | ILX | Piatt | 42 min |
| Aug 12, 9:16 PM CDT | Severe Thunderstorm Warning | ILX | Morgan, Scott | 59 min |
| Aug 12, 9:35 PM CDT | Severe Thunderstorm Warning | ILX | Champaign | 40 min |
| Aug 12, 10:02 PM CDT | Severe Thunderstorm Warning | ILX | Sangamon | 33 min |
| Aug 12, 10:15 PM CDT | Severe Thunderstorm Warning | ILX | Douglas, Vermilion | 60 min |
| Aug 12, 10:15 PM CDT | Severe Thunderstorm Warning | ILX | Moultrie | 60 min |
| Aug 12, 10:17 PM CDT | Severe Thunderstorm Warning | ILX | Champaign | 33 min |
| Aug 12, 10:22 PM CDT | Severe Thunderstorm Warning | ILX | Christian | 63 min |
| Aug 12, 10:34 PM CDT | Severe Thunderstorm Warning | ILX | Coles, Shelby | 61 min |
| Aug 12, 10:34 PM CDT | Severe Thunderstorm Warning | ILX | Edgar | 61 min |
| Aug 12, 10:51 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun | 49 min |
| Aug 12, 11:00 PM CDT | Severe Thunderstorm Warning | LSX | Jersey | 50 min |
| Aug 12, 11:10 PM CDT | Severe Thunderstorm Warning | ILX | Clark, Cumberland | 60 min |
| Aug 12, 11:15 PM CDT | Flash Flood Warning | ILX | Logan | 4 hr |
| Aug 12, 11:29 PM CDT | Flash Flood Warning | ILX | DeWitt | 4 hr |
| Aug 12, 11:31 PM CDT | Flash Flood Warning | ILX | Menard | 3 hr |
| Aug 13, 12:00 AM CDT | Severe Thunderstorm Watch | SPC | Alexander, Bond, Clay, Clinton, Crawford, Cumberland and 28 more | 5 hr |
| Aug 13, 12:19 AM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Jersey | 46 min |
| Aug 13, 12:21 AM CDT | Severe Thunderstorm Warning | LSX | Madison | 49 min |
| Aug 13, 12:51 AM CDT | Flash Flood Warning | ILX | Champaign, Piatt | 3 hr |
| Aug 13, 12:56 AM CDT | Flash Flood Warning | ILX | Macon | 2 hr |
| Aug 18, 9:26 PM CDT | Severe Thunderstorm Warning | DVN | Hancock | 34 min |
| Aug 18, 10:01 PM CDT | Severe Thunderstorm Warning | ILX | Schuyler | 44 min |
| Aug 18, 10:42 PM CDT | Severe Thunderstorm Warning | ILX | Cass, Schuyler | 48 min |
| Aug 18, 11:13 PM CDT | Severe Thunderstorm Warning | LSX | Brown | 47 min |
| Aug 18, 11:25 PM CDT | Severe Thunderstorm Warning | ILX | Cass, Morgan | 50 min |
| Aug 18, 11:46 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 44 min |
| Aug 18, 11:50 PM CDT | Severe Thunderstorm Warning | ILX | Scott | 40 min |
| Aug 19, 12:14 AM CDT | Severe Thunderstorm Warning | ILX | Morgan | 46 min |
| Aug 19, 12:28 AM CDT | Severe Thunderstorm Warning | ILX | Scott | 32 min |
| Aug 19, 12:35 AM CDT | Severe Thunderstorm Warning | LSX | Greene | 40 min |
| Aug 19, 12:54 AM CDT | Severe Thunderstorm Warning | LSX | Macoupin | 66 min |
| Aug 23, 2:00 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Boone, Brown, Bureau, Calhoun, Carroll and 31 more | 6 hr |
| Aug 23, 3:49 PM CDT | Severe Thunderstorm Warning | DVN | Rock Island | 46 min |
| Aug 23, 4:47 PM CDT | Severe Thunderstorm Warning | DVN | Bureau, Henry | 48 min |
| Aug 23, 5:06 PM CDT | Severe Thunderstorm Warning | DVN | Henderson, Warren | 49 min |
| Aug 23, 5:12 PM CDT | Severe Thunderstorm Warning | ILX | Knox | 48 min |
| Aug 23, 5:49 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, Peoria | 41 min |
| Aug 23, 6:00 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Cass, DeWitt, Ford, Fulton and 20 more | 6 hr |
| Aug 23, 6:18 PM CDT | Severe Thunderstorm Warning | ILX | Tazewell | 42 min |
| Aug 23, 6:35 PM CDT | Severe Thunderstorm Warning | ILX | Mason | 40 min |
| Aug 23, 6:45 PM CDT | Severe Thunderstorm Warning | ILX | Logan | 45 min |
| Aug 23, 6:48 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 47 min |
| Aug 23, 6:57 PM CDT | Severe Thunderstorm Warning | ILX | Tazewell | 33 min |
| Aug 23, 6:59 PM CDT | Severe Thunderstorm Warning | ILX | Cass, Menard | 46 min |
| Aug 23, 7:15 PM CDT | Severe Thunderstorm Watch | SPC | Bond, Calhoun, Champaign, Christian, Clark, Clay and 22 more | 5 hr |
| Aug 23, 7:17 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 48 min |
| Aug 23, 7:25 PM CDT | Severe Thunderstorm Warning | ILX | Logan, Sangamon | 65 min |
| Aug 23, 7:36 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt, Macon | 69 min |
| Aug 23, 7:41 PM CDT | Severe Thunderstorm Warning | LSX | Greene | 49 min |
| Aug 23, 7:53 PM CDT | Severe Thunderstorm Warning | ILX | Christian | 37 min |
| Aug 23, 8:02 PM CDT | Severe Thunderstorm Warning | LSX | Macoupin | 48 min |
| Aug 23, 8:21 PM CDT | Severe Thunderstorm Warning | LSX | Jersey | 49 min |
| Aug 23, 8:27 PM CDT | Severe Thunderstorm Warning | ILX | Christian, Shelby | 78 min |
| Aug 23, 8:27 PM CDT | Severe Thunderstorm Warning | ILX | Moultrie | 78 min |
| Aug 23, 8:27 PM CDT | Severe Thunderstorm Warning | LSX | Montgomery | 48 min |
| Aug 24, 8:21 AM CDT | Flash Flood Warning | LOT | Boone, DeKalb, Winnebago | 5 hr |
| Aug 24, 12:18 PM CDT | Flash Flood Warning | LOT | Ford, Iroquois | 5 hr |
| Aug 24, 5:00 PM CDT | Flash Flood Warning | LOT | Ford, Iroquois | 3 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 | 63 |
| Tornado Warning | 3 |
| Severe Thunderstorm Watch | 4 |
| Tornado Watch | 1 |
| Flooding | |
| Flash Flood Warning | 8 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Brown County8
- Cass County8
- Schuyler County7
- Jersey County7
- Menard County7
- Morgan County7
- Pike County7
- Scott County7
- Logan County6
- Mason County6
- Tazewell County6
- Calhoun County5
- Champaign County5
- Christian County5
- DeWitt County5
- Fulton County5
- Macon County5
- Macoupin County5
- Sangamon County5
- Adams County4
- Cumberland County4
- Ford County4
- Greene County4
- Iroquois County4
- Madison County4
- Montgomery County4
- Moultrie County4
- Piatt County4
- Shelby County4
- Bond County3
- Clark County3
- Coles County3
- Douglas County3
- Edgar County3
- Effingham County3
- Fayette County3
- Jasper County3
- McLean County3
- Vermilion County3
- Peoria County3
52 more counties
- Livingston County2
- Clay County2
- Clinton County2
- Marion County2
- Monroe County2
- Randolph County2
- Saint Clair County2
- Washington County2
- Hancock County2
- Boone County2
- Bureau County2
- DeKalb County2
- Henderson County2
- Henry County2
- Knox County2
- McDonough County2
- Marshall County2
- Putnam County2
- Rock Island County2
- Warren County2
- Winnebago County2
- Alexander County1
- Crawford County1
- Edwards County1
- Franklin County1
- Hamilton County1
- Jackson County1
- Jefferson County1
- Johnson County1
- Lawrence County1
- Perry County1
- Pulaski County1
- Richland County1
- Saline County1
- Union County1
- Wabash County1
- Wayne County1
- White County1
- Williamson County1
- Carroll County1
- Jo Daviess County1
- Lee County1
- McHenry County1
- Mercer County1
- Ogle County1
- Stark County1
- Stephenson County1
- Whiteside County1
- Grundy County1
- Kankakee County1
- LaSalle County1
- Woodford 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.