Alert archive / Illinois / 2011
Weather alerts in Illinois, March 2011
137 weather alerts in March 2011, 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 2011. Tap one for its archive.
- Alerts
- 137
- Warnings
- 64
- Watches
- 15
- Advisories
- 37
- Busiest day
- March 23, 201132 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 |
|---|---|---|---|---|
| Feb 28, 7:50 PM CST | River Flood Advisory | LOT | Grundy | 7 hr |
| Feb 28, 9:50 PM CST | Small Craft Advisory | LOT | 22 hr | |
| Mar 1, 10:47 AM CST | River Flood Warning | LSX | Brown | 17 days |
| Mar 1, 11:10 AM CST | River Flood Warning | LSX | Madison | 48 hr |
| Mar 1, 11:41 AM CST | River Flood Warning | PAH | Pope | 26 days |
| Mar 2, 3:16 PM CST | Small Craft Advisory | LOT | 30 hr | |
| Mar 3, 9:03 AM CST | River Flood Warning | PAH | Gallatin, Wayne, White | 23 days |
| Mar 3, 3:09 PM CST | Flood Watch | ILX | Champaign, Christian, Clark, Clay, Coles, Crawford and 12 more | 43 hr |
| Mar 3, 3:38 PM CST | Flash Flood Watch | PAH | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 43 hr |
| Mar 3, 3:42 PM CST | Flash Flood Watch | LSX | Bond, Calhoun, Clinton, Fayette, Greene, Jersey and 8 more | 36 hr |
| Mar 4, 3:47 AM CST | Gale Watch | LOT | 11 hr | |
| Mar 4, 11:40 AM CST | River Flood Watch | LOT | LaSalle | 19 hr |
| Mar 4, 1:33 PM CST | Severe Thunderstorm Watch | SPC | Calhoun | 5 hr |
| Mar 4, 3:00 PM CST | Gale Warning | LOT | 30 hr | |
| Mar 4, 3:00 PM CST | Small Craft Advisory | LOT | 48 hr | |
| Mar 4, 3:22 PM CST | Mesoscale Discussion | SPC | Calhoun, Cass, Greene, Jersey, Macoupin, Menard and 4 more | 83 min |
| Mar 4, 3:39 PM CST | Flood Watch | LOT | Ford, Iroquois | 12 hr |
| Mar 4, 4:39 PM CST | Severe Thunderstorm Warning | LSX | Calhoun, Greene, Jersey | 51 min |
| Mar 4, 4:40 PM CST | Tornado Warning | LSX | Calhoun, Greene, Pike | 51 min |
| Mar 4, 4:54 PM CST | Tornado Watch | SPC | Bond, Calhoun, Christian, Clay, Clinton, Effingham and 16 more | 118 min |
| Mar 4, 5:23 PM CST | Severe Thunderstorm Warning | LSX | Calhoun, Jersey, Madison | 29 min |
| Mar 4, 5:32 PM CST | Special Weather Statement | ILX | Morgan, Sangamon, Scott | 58 min |
| Mar 4, 6:20 PM CST | Flash Flood Warning | LSX | Madison, Saint Clair | 5 hr |
| Mar 4, 6:22 PM CST | Mesoscale Discussion | SPC | Clinton, Fayette, Franklin, Jackson, Jefferson, Marion and 5 more | 53 min |
| Mar 4, 6:50 PM CST | Severe Thunderstorm Watch | SPC | Bond, Clinton, Fayette, Madison, Marion, Monroe and 3 more | 7 hr |
| Mar 4, 10:02 PM CST | River Flood Advisory | LOT | LaSalle | 5 days |
| Mar 4, 10:02 PM CST | River Flood Advisory | LOT | Lake | 44 hr |
| Mar 4, 10:02 PM CST | River Flood Advisory | LOT | Will | 41 hr |
| Mar 4, 10:02 PM CST | River Flood Advisory | LOT | Kane, Kendall | 54 hr |
| Mar 4, 10:54 PM CST | River Flood Advisory | LOT | Cook | 23 hr |
| Mar 5, 5:46 AM CST | River Flood Advisory | LOT | Grundy | 16 hr |
| Mar 5, 5:46 AM CST | River Flood Advisory | LOT | Iroquois | 23 hr |
| Mar 5, 8:31 AM CST | River Flood Watch | MKX | Lake | 3 hr |
| Mar 5, 10:39 AM CST | River Flood Warning | ILX | Crawford, Jasper | 3 days |
| Mar 5, 11:43 AM CST | River Flood Warning | MKX | Lake | 22 hr |
| Mar 5, 8:45 PM CST | River Flood Warning | ILX | Piatt | 13 hr |
| Mar 5, 9:52 PM CST | River Flood Warning | LSX | Jersey | 18 hr |
| Mar 6, 8:38 PM CST | River Flood Watch | MKX | Lake | 62 hr |
| Mar 8, 3:28 AM CST | Small Craft Advisory | LOT | 4 days | |
| Mar 8, 9:01 PM CST | River Flood Advisory | LOT | Kane, Kendall | 4 days |
| Mar 9, 10:07 AM CST | River Flood Warning | LOT | Lake | 49 hr |
| Mar 9, 10:13 AM CST | River Flood Advisory | LOT | Lake | 50 hr |
| Mar 9, 10:13 AM CST | River Flood Advisory | LOT | Will | 10 hr |
| Mar 9, 11:00 AM CST | River Flood Warning | MKX | Lake | 59 hr |
| Mar 10, 8:07 PM CST | River Flood Advisory | LOT | LaSalle | 16 hr |
| Mar 11, 3:28 AM CST | Gale Watch | LOT | 12 hr | |
| Mar 11, 10:38 AM CST | River Flood Advisory | LOT | Lake | 64 hr |
| Mar 11, 3:37 PM CST | Gale Warning | LOT | 29 hr | |
| Mar 12, 9:14 PM CST | Small Craft Advisory | LOT | 18 hr | |
| Mar 14, 12:00 AM CDT | Winter Weather Advisory | LSX | Madison, Monroe, Saint Clair | 16 hr |
| Mar 14, 7:13 AM CDT | Areal Flood Advisory | PAH | Franklin, Jackson, Perry, Williamson | 4 hr |
| Mar 14, 9:58 AM CDT | Areal Flood Advisory | PAH | Gallatin, Hamilton, Saline, White | 3 hr |
| Mar 14, 12:06 PM CDT | River Flood Warning | PAH | Jackson | 6 days |
| Mar 14, 1:39 PM CDT | River Flood Warning | LSX | Jackson, Randolph | 4 days |
| Mar 15, 5:57 AM CDT | River Flood Warning | ILX | Clay, Richland | 4 days |
| Mar 15, 9:17 PM CDT | River Flood Warning | ILX | Lawrence | 48 hr |
| Mar 16, 10:32 AM CDT | River Flood Warning | PAH | Franklin, Williamson | 3 days |
| Mar 16, 9:52 PM CDT | Small Craft Advisory | LOT | 28 hr | |
| Mar 19, 3:29 PM CDT | Small Craft Advisory | LOT | 30 hr | |
| Mar 20, 1:29 PM CDT | Areal Flood Advisory | LOT | Boone, Ogle, Winnebago | 4 hr |
| Mar 20, 2:06 PM CDT | Severe Thunderstorm Warning | DVN | Stephenson | 23 min |
| Mar 20, 2:16 PM CDT | Severe Thunderstorm Warning | LOT | Winnebago | 29 min |
| Mar 20, 2:51 PM CDT | Special Weather Statement | LOT | Boone, McHenry | 24 min |
| Mar 20, 3:07 PM CDT | Areal Flood Advisory | LOT | Boone, Cook, DeKalb, Kane, Lake, McHenry and 1 more | 7 hr |
| Mar 20, 3:16 PM CDT | Special Weather Statement | LOT | Lake, McHenry | 44 min |
| Mar 20, 3:21 PM CDT | Special Marine Warning | LOT | 84 min | |
| Mar 20, 4:04 PM CDT | Special Weather Statement | LOT | Lake | 26 min |
| Mar 20, 4:18 PM CDT | River Flood Warning | MKX | Lake | 11 days |
| Mar 20, 4:30 PM CDT | Special Weather Statement | LOT | Lake | 15 min |
| Mar 20, 4:42 PM CDT | Special Marine Warning | LOT | 63 min | |
| Mar 20, 6:11 PM CDT | Special Marine Warning | LOT | 49 min | |
| Mar 20, 7:54 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage, Will | 21 min |
| Mar 20, 8:03 PM CDT | Special Marine Warning | LOT | 42 min | |
| Mar 20, 8:21 PM CDT | River Flood Warning | LOT | Lake | 7 days |
| Mar 20, 8:21 PM CDT | River Flood Warning | LOT | Lake | 4 days |
| Mar 20, 8:30 PM CDT | River Flood Advisory | LOT | Kane, Kendall | 13 days |
| Mar 20, 8:30 PM CDT | River Flood Advisory | LOT | Winnebago | 4 days |
| Mar 20, 8:30 PM CDT | River Flood Advisory | LOT | Winnebago | 38 hr |
| Mar 20, 8:30 PM CDT | River Flood Advisory | LOT | Winnebago | 4 days |
| Mar 20, 8:30 PM CDT | River Flood Advisory | LOT | Ogle | 5 days |
| Mar 20, 9:31 PM CDT | Special Weather Statement | DVN | Henderson | 44 min |
| Mar 21, 10:39 AM CDT | River Flood Advisory | LOT | Lee | 33 hr |
| Mar 21, 3:05 PM CDT | Gale Warning | LOT | 52 hr | |
| Mar 21, 3:05 PM CDT | Small Craft Advisory | LOT | 3 days | |
| Mar 22, 12:30 AM CDT | Special Weather Statement | DVN | Whiteside | 60 min |
| Mar 22, 12:36 AM CDT | Severe Thunderstorm Warning | DVN | Whiteside | 33 min |
| Mar 22, 12:47 AM CDT | Special Weather Statement | DVN | Whiteside | 58 min |
| Mar 22, 12:55 AM CDT | Special Weather Statement | LOT | Lee | 65 min |
| Mar 22, 2:39 AM CDT | Special Weather Statement | LOT | Grundy | 36 min |
| Mar 22, 4:49 AM CDT | River Flood Watch | LOT | Winnebago | 29 hr |
| Mar 22, 4:49 AM CDT | River Flood Watch | LOT | Winnebago | 5 hr |
| Mar 22, 10:35 AM CDT | River Flood Watch | LOT | Kane, McHenry | 24 hr |
| Mar 22, 2:23 PM CDT | Special Weather Statement | DVN | Carroll, Jo Daviess | 52 min |
| Mar 22, 6:19 PM CDT | Special Weather Statement | DVN | Mercer, Rock Island | 56 min |
| Mar 22, 10:59 PM CDT | Special Weather Statement | DVN | Carroll, Jo Daviess, Mercer, Rock Island, Stephenson | 61 min |
| Mar 22, 11:14 PM CDT | Severe Thunderstorm Warning | DVN | Henry, Mercer, Rock Island, Whiteside | 61 min |
| Mar 22, 11:21 PM CDT | Mesoscale Discussion | SPC | Hancock, Henderson, Warren | 84 min |
| Mar 22, 11:24 PM CDT | Severe Thunderstorm Warning | DVN | Henderson, Mercer, Warren | 66 min |
| Mar 22, 11:48 PM CDT | Special Weather Statement | ILX | Knox | 57 min |
| Mar 23, 12:00 AM CDT | Special Weather Statement | LOT | Boone, Lee, Ogle, Winnebago | 30 min |
| Mar 23, 12:18 AM CDT | Special Weather Statement | ILX | Marshall, Stark | 57 min |
| Mar 23, 1:08 AM CDT | Small Craft Advisory | LOT | 50 hr | |
| Mar 23, 2:26 AM CDT | Special Weather Statement | ILX | Cass, Morgan, Scott | 79 min |
| Mar 23, 4:28 AM CDT | River Flood Warning | LOT | Kane, McHenry | 6 days |
| Mar 23, 4:28 AM CDT | River Flood Warning | LOT | Winnebago | 17 hr |
| Mar 23, 10:52 AM CDT | River Flood Warning | DVN | Henry, Rock Island, Whiteside | 3 days |
| Mar 23, 12:45 PM CDT | River Flood Warning | LSX | Calhoun, Greene, Jersey | 4 days |
| Mar 23, 12:45 PM CDT | River Flood Warning | LSX | Adams | 52 days |
| Mar 23, 12:45 PM CDT | River Flood Warning | LSX | Adams | 24 hr |
| Mar 23, 12:45 PM CDT | River Flood Warning | LSX | Pike | 58 days |
| Mar 23, 12:45 PM CDT | River Flood Warning | LSX | Pike | 53 days |
| Mar 23, 12:45 PM CDT | River Flood Warning | LSX | Pike | 58 days |
| Mar 23, 12:45 PM CDT | River Flood Warning | LSX | Calhoun | 60 days |
| Mar 23, 12:45 PM CDT | River Flood Warning | LSX | Calhoun | 57 days |
| Mar 23, 12:45 PM CDT | River Flood Warning | LSX | Jersey | 114 days |
| Mar 23, 1:22 PM CDT | Severe Thunderstorm Warning | PAH | Gallatin, Hardin | 23 min |
| Mar 23, 2:47 PM CDT | River Flood Warning | DVN | Jo Daviess | 45 days |
| Mar 23, 2:47 PM CDT | River Flood Warning | DVN | Rock Island, Whiteside | 40 days |
| Mar 23, 2:47 PM CDT | River Flood Warning | DVN | Rock Island, Whiteside | 47 days |
| Mar 23, 2:47 PM CDT | River Flood Warning | DVN | Rock Island | 41 days |
| Mar 23, 2:47 PM CDT | River Flood Warning | DVN | Rock Island | 49 days |
| Mar 23, 2:47 PM CDT | River Flood Warning | DVN | Henderson, Mercer | 51 days |
| Mar 23, 2:47 PM CDT | River Flood Warning | DVN | Henderson, Mercer | 52 days |
| Mar 23, 2:47 PM CDT | River Flood Warning | DVN | Henderson | 57 days |
| Mar 23, 2:47 PM CDT | River Flood Warning | DVN | Hancock, Henderson | 57 days |
| Mar 23, 3:20 PM CDT | Mesoscale Discussion | SPC | Iroquois, Vermilion | 85 min |
| Mar 25, 3:26 PM CDT | Winter Weather Advisory | LSX | Bond, Calhoun, Clinton, Fayette, Greene, Jersey and 8 more | 31 hr |
| Mar 25, 8:10 PM CDT | River Flood Advisory | LOT | Winnebago | 14 hr |
| Mar 26, 3:20 AM CDT | Small Craft Advisory | LOT | 48 hr | |
| Mar 26, 1:12 PM CDT | Winter Weather Advisory | PAH | Edwards, Jefferson, Perry, Wabash, Wayne | 11 hr |
| Mar 26, 4:05 PM CDT | Freeze Warning | LSX | Clinton, Madison, Monroe, Saint Clair, Washington | 17 hr |
| Mar 27, 4:27 AM CDT | Freeze Warning | LSX | Clinton, Madison, Monroe, Randolph, Saint Clair, Washington | 24 hr |
| Mar 28, 1:26 PM CDT | River Flood Warning | DVN | Mercer, Rock Island | 43 days |
| Mar 28, 1:26 PM CDT | River Flood Warning | DVN | Mercer, Rock Island | 44 days |
| Mar 28, 9:51 PM CDT | River Flood Warning | LSX | Adams | 46 days |
| Mar 29, 11:38 AM CDT | River Flood Warning | DVN | Hancock | 45 days |
| Mar 31, 11:47 AM CDT | River Flood Warning | DVN | Jo Daviess | 29 days |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Lake County15
- Calhoun County11
- Madison County10
- Winnebago County10
- Rock Island County10
- Jersey County9
- Saint Clair County9
- Monroe County8
- Mercer County8
- Clinton County7
- Greene County7
- Randolph County7
- Washington County7
- Henderson County7
- Whiteside County7
- Pike County6
- Kane County6
- Jackson County5
- Fayette County5
- Marion County5
- McHenry County5
- Gallatin County4
- Franklin County4
- Perry County4
- Bond County4
- Macoupin County4
- Morgan County4
- Scott County4
- Boone County4
- Ogle County4
- Jo Daviess County4
- Grundy County3
- Wayne County3
- White County3
- Clay County3
- Jefferson County3
- Williamson County3
- Montgomery County3
- LaSalle County3
- Sangamon County3
48 more counties
- Iroquois County3
- Will County3
- Kendall County3
- Cook County3
- Lee County3
- Hancock County3
- Adams County3
- Pope County2
- Christian County2
- Crawford County2
- Effingham County2
- Jasper County2
- Lawrence County2
- Piatt County2
- Richland County2
- Shelby County2
- Vermilion County2
- Edwards County2
- Hamilton County2
- Hardin County2
- Saline County2
- Wabash County2
- Cass County2
- Stephenson County2
- Carroll County2
- Henry County2
- Warren County2
- Brown County1
- Champaign County1
- Clark County1
- Coles County1
- Cumberland County1
- Douglas County1
- Edgar County1
- Macon County1
- Moultrie County1
- Alexander County1
- Johnson County1
- Massac County1
- Pulaski County1
- Union County1
- Menard County1
- Ford County1
- DeKalb County1
- DuPage County1
- Knox County1
- Marshall County1
- Stark County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20102012
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.