Alert archive / Illinois / Beach Hazards Statements in 2024
Beach Hazards Statement 15, NWS Chicago, IL
NWS Chicago, IL issued this beach hazards statement at Sep 5, 2024, 9:50 AM CDT for Cook County, Lake County, Illinois; Lake County, Porter County, Indiana. It took effect at Sep 6, 2024, 4:00 AM CDT. It was in force for 48 hr.
The area
The counties it named.
The facts
- Issued
- Sep 5, 2024, 9:50 AM CDT (14:50 UTC)
- In effect from
- Sep 6, 2024, 4:00 AM CDT
- Expired
- Sep 8, 2024, 4:00 AM CDT
- In force
- 48 hr
- Issued by
- NWS Chicago, IL
Counties Cook County, IL, Lake County, IL, Lake County, IN, Porter County, IN
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 2.8 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
- 907 J/kg
- Mixed-layer CIN
- -40 J/kg
- Mixed-layer LCL
- 763 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- 41 m²/s²
- 0-3 km storm-relative helicity
- 68 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The office that day
Everything else NWS Chicago, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 5, 9:47 AM CDT | Small Craft Advisory | LOT | 66 hr |
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.