Alert archive / Illinois / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 4, NWS Chicago, IL
NWS Chicago, IL issued this severe thunderstorm warning at Apr 10, 1999, 3:35 PM CDT for LaSalle County, Illinois. It was in force for 30 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Apr 10, 1999, 3:35 PM CDT (20:35 UTC)
- Expired
- Apr 10, 1999, 4:05 PM CDT
- In force
- 30 min
- Issued by
- NWS Chicago, IL
- Area
- Whole counties
County LaSalle County, IL
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 10, 3:55 PM CDT | Hail 1 | Streator, IL |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
The office that day
Everything else NWS Chicago, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| 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, 5:21 PM CDT | Severe Thunderstorm Warning | LOT | Lake | 39 min |
| Apr 10, 5:43 PM CDT | Severe Thunderstorm Warning | LOT | Porter | 47 min |
Nearby
Severe Thunderstorm Warnings in Illinois, 1999Every severe thunderstorm warning in 1999
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data.