Alert archive / Illinois / Beach Hazards Statements in 2024
Beach Hazards Statement 12, NWS Chicago, IL
NWS Chicago, IL issued this beach hazards statement at Aug 17, 2024, 3:42 AM CDT for Cook County, Lake County, Illinois; Lake County, Porter County, Indiana. It took effect at Aug 18, 2024, 7:00 AM CDT. It was in force for 57 hr.
The area
The counties it named.
The facts
- Issued
- Aug 17, 2024, 3:42 AM CDT (08:42 UTC)
- In effect from
- Aug 18, 2024, 7:00 AM CDT
- Expired
- Aug 20, 2024, 4:00 PM CDT
- In force
- 57 hr
- Issued by
- NWS Chicago, IL
Counties Cook County, IL, Lake County, IL, Lake County, IN, Porter County, IN
The radar
The Chicago radar (KLOT), 54 km from the middle of the area, began a volume at 08:42 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 nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 8.7 hours before the alert went out and 206 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 1157 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 1384 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 127 m²/s²
- 0-3 km storm-relative helicity
- 165 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 6.3
What forecasters said that day
The local office's own words before this beach hazards statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Chicago, IL wrote its last area forecast discussion before this beach hazards statement went out at Aug 17, 3:22 AM CDT, 20 minutes earlier.
Area forecast discussion, Aug 17, 3:22 AM CDT, 20 minutes before
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Local storm report, Aug 16, 9:52 PM CDT, 5 hours 50 minutes before
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</html>Special weather statement, Aug 16, 10:00 PM CDT, 5 hours 42 minutes before
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</html>The office that day
Everything else NWS Chicago, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 16, 7:01 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage, Kane | 44 min |
| Aug 16, 7:02 PM CDT | Special Marine Warning | LOT | 88 min | |
| Aug 16, 7:08 PM CDT | Severe Thunderstorm Warning | LOT | DeKalb, DuPage, Kane, Kendall, LaSalle, Will | 37 min |
| Aug 16, 7:35 PM CDT | Special Weather Statement | LOT | LaSalle | 25 min |
| Aug 16, 7:40 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage, Will | 35 min |
| Aug 16, 8:15 PM CDT | Severe Thunderstorm Warning | LOT | Cook, Will | 45 min |
| Aug 16, 8:31 PM CDT | Special Marine Warning | LOT | 44 min | |
| Aug 16, 8:41 PM CDT | Special Weather Statement | LOT | Kankakee | 49 min |
| Aug 16, 10:00 PM CDT | Special Weather Statement | LOT | Ford | 45 min |
| Aug 17, 3:33 AM CDT | Small Craft Advisory | LOT | 3 days | |
| Aug 16, 8:52 PM CDT | Special Weather Statement | LOT | Porter | 23 min |
| Aug 16, 9:19 PM CDT | Special Weather Statement | LOT | Jasper | 26 min |
Nearby
Beach Hazards Statements in Illinois, 2024Beach Hazards Statements in Indiana, 2024Every beach hazards statement in 2024
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.