Alert archive / Illinois / Beach Hazards Statements in 2024
Beach Hazards Statement 11, NWS Chicago, IL
NWS Chicago, IL issued this beach hazards statement at Aug 15, 2024, 3:44 AM CDT for Cook County, Lake County, Illinois. It took effect at Aug 15, 2024, 9:00 AM CDT. It was in force for 13 hr.
The area
The counties it named.
The facts
- Issued
- Aug 15, 2024, 3:44 AM CDT (08:44 UTC)
- In effect from
- Aug 15, 2024, 9:00 AM CDT
- Expired
- Aug 15, 2024, 10:00 PM CDT
- In force
- 13 hr
- Issued by
- NWS Chicago, IL
Counties Cook County, IL, Lake County, IL
The radar
The Chicago radar (KLOT), 64 km from the middle of the area, began a volume at 08:48 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
Green Bay/Straub, WI (KGRB), launched 00:00Z, 8.7 hours before the alert went out and 264 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1626 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 28 m²/s²
- 0-3 km storm-relative helicity
- 23 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 15, 3:20 AM CDT, 24 minutes earlier.
Area forecast discussion, Aug 15, 3:20 AM CDT, 24 minutes before
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Beach Hazards Statements in Illinois, 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.