Alert archive / Illinois / Severe Thunderstorm Warnings in 2015
Severe Thunderstorm Warning 91, NWS Chicago, IL
NWS Chicago, IL issued this severe thunderstorm warning at Jul 13, 2015, 5:37 PM CDT for Grundy County, LaSalle County, Livingston County, Illinois. It was in force for 53 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 13, 2015, 5:37 PM CDT (22:37 UTC)
- Expired
- Jul 13, 2015, 6:30 PM CDT
- In force
- 53 min
- Issued by
- NWS Chicago, IL
- Area
- Storm-based polygon
- Hail
- 2.5 in
- Wind
- 70.0 mph
Counties Grundy County, IL, LaSalle County, IL, Livingston County, IL
The radar
The Chicago radar (KLOT), 66 km from the middle of the area, began a volume at 22:36 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 13, 4:01 PM CDT | Tornado Watch | SPC | 7 hr |
The office that day
Everything else NWS Chicago, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 12, 7:57 PM CDT | Areal Flood Warning | LOT | Ford, Iroquois, Livingston | 18 hr |
| Jul 12, 8:39 PM CDT | River Flood Warning | LOT | Grundy, Will | 3 days |
| Jul 13, 4:18 AM CDT | Heat Advisory | LOT | Ford, Grundy, Iroquois, Kankakee, LaSalle, Lee and 1 more | 15 hr |
| Jul 13, 4:34 AM CDT | Special Marine Warning | LOT | 116 min | |
| Jul 13, 5:05 AM CDT | Severe Thunderstorm Warning | LOT | Boone, McHenry, Winnebago | 55 min |
| Jul 13, 5:37 AM CDT | Severe Thunderstorm Warning | LOT | Lake | 38 min |
| Jul 13, 5:41 AM CDT | Severe Thunderstorm Warning | LOT | Boone, Cook, DeKalb, DuPage, Kane, Lake and 3 more | 64 min |
| Jul 13, 6:05 AM CDT | Special Marine Warning | LOT | 115 min | |
| Jul 13, 6:08 AM CDT | Special Weather Statement | LOT | Lee | 52 min |
| Jul 13, 6:22 AM CDT | Severe Thunderstorm Warning | LOT | Cook, DeKalb, DuPage, Kane, Kendall, Will | 53 min |
| Jul 13, 6:28 AM CDT | Areal Flood Advisory | LOT | Boone, Cook, DeKalb, DuPage, Kane, Lake and 4 more | 4 hr |
| Jul 13, 6:55 AM CDT | Special Weather Statement | LOT | Kendall, Will | 50 min |
| Jul 13, 7:19 AM CDT | Special Weather Statement | LOT | Grundy, Kankakee | 41 min |
| Jul 13, 7:47 AM CDT | Special Weather Statement | LOT | Kankakee | 43 min |
| Jul 13, 7:55 AM CDT | Areal Flood Advisory | LOT | Cook, DeKalb, Ford, Grundy, Iroquois, Kankakee and 5 more | 6 hr |
| Jul 13, 8:17 AM CDT | Severe Thunderstorm Warning | LOT | Ford, Livingston | 43 min |
| Jul 13, 8:46 AM CDT | Special Weather Statement | LOT | Ford, Iroquois | 59 min |
| Jul 13, 9:53 AM CDT | River Flood Advisory | LOT | Kankakee | 4 days |
| Jul 13, 12:07 PM CDT | River Flood Warning | LOT | Grundy | 67 hr |
| Jul 13, 12:07 PM CDT | River Flood Warning | LOT | LaSalle | 3 days |
| Jul 13, 1:09 PM CDT | Areal Flood Warning | LOT | Ford, Iroquois, Livingston | 6 hr |
| Jul 13, 4:59 PM CDT | Severe Thunderstorm Warning | LOT | LaSalle | 61 min |
| Jul 13, 6:03 PM CDT | Areal Flood Advisory | LOT | Grundy, LaSalle | 4 hr |
| Jul 13, 6:29 PM CDT | Severe Thunderstorm Warning | LOT | Ford, Grundy, Kankakee, Livingston | 61 min |
| Jul 13, 6:38 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, Kendall, Will | 52 min |
| Jul 13, 6:40 PM CDT | Severe Thunderstorm Warning | LOT | Iroquois | 35 min |
| Jul 13, 9:28 AM CDT | River Flood Warning | LOT | Jasper | 4 days |
Nearby
Severe Thunderstorm Warnings in Illinois, 2015Every severe thunderstorm warning in 2015
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.