Alert archive / Illinois / Beach Hazards Statements in 2021
Beach Hazards Statement 20, NWS Chicago, IL
NWS Chicago, IL issued this beach hazards statement at Sep 27, 2021, 3:10 AM CDT for Cook County, Lake County, Illinois; Lake County, Porter County, Indiana. It took effect at Sep 27, 2021, 4:00 PM CDT. It was in force for 21 hr.
The area
The counties it named.
The facts
- Issued
- Sep 27, 2021, 3:10 AM CDT (08:10 UTC)
- In effect from
- Sep 27, 2021, 4:00 PM CDT
- Expired
- Sep 28, 2021, 1:00 PM CDT
- In force
- 21 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 08:11 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, 8.2 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2191 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 170 m²/s²
- 0-3 km storm-relative helicity
- 389 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
850 WHUS43 KLOT 270810 CFWLOT Coastal Hazard Message National Weather Service Chicago IL 310 AM CDT Mon Sep 27 2021 ILZ006-103-104-271700- /O.NEW.KLOT.BH.S.0020.210927T2100Z-210928T1800Z/ Lake IL-Northern Cook-Central Cook- 310 AM CDT Mon Sep 27 2021 ...BEACH HAZARDS STATEMENT IN EFFECT FROM THIS AFTERNOON THROUGH TUESDAY AFTERNOON... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. * WHERE...Lake IL, Northern Cook and Central Cook Counties. * WHEN...From 4 PM CDT this afternoon through 1 PM CDT Tuesday afternoon. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. For information on swim advisories or bans at Chicago beaches: www. cpdbeaches. com. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$ INZ001-271700- /O.NEW.KLOT.BH.S.0020.210927T2300Z-210928T1800Z/ Lake IN- 310 AM CDT Mon Sep 27 2021 ...BEACH HAZARDS STATEMENT IN EFFECT FROM THIS EVENING THROUGH TUESDAY AFTERNOON... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. * WHERE...Lake IN County. * WHEN...From 6 PM this evening through 1 PM CDT Tuesday afternoon. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$ Carlaw
4 follow-up statements
133 WHUS43 KLOT 271700 CFWLOT Coastal Hazard Message National Weather Service Chicago IL 1200 PM CDT Mon Sep 27 2021 ILZ006-103-104-280100- /O.CON.KLOT.BH.S.0020.210927T2100Z-210928T1800Z/ Lake IL-Northern Cook-Central Cook- 1200 PM CDT Mon Sep 27 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 4 PM CDT THIS AFTERNOON THROUGH TUESDAY AFTERNOON... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. * WHERE...Lake IL, Northern Cook and Central Cook Counties. * WHEN...From 4 PM CDT this afternoon through 1 PM CDT Tuesday afternoon. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$ INZ001-280100- /O.CON.KLOT.BH.S.0020.210927T2300Z-210928T1800Z/ Lake IN- 1200 PM CDT Mon Sep 27 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 6 PM CDT THIS EVENING THROUGH TUESDAY AFTERNOON... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. * WHERE...Lake IN County. * WHEN...From 6 PM this evening through 1 PM CDT Tuesday afternoon. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$
795 WHUS43 KLOT 272015 CFWLOT Coastal Hazard Message National Weather Service Chicago IL 315 PM CDT Mon Sep 27 2021 INZ002-280415- /O.EXA.KLOT.BH.S.0020.210927T2300Z-210928T1800Z/ Porter- 315 PM CDT Mon Sep 27 2021 ...BEACH HAZARDS STATEMENT IN EFFECT THROUGH TUESDAY AFTERNOON... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. * WHERE...Porter County. * WHEN...From 6 PM this evening through 1 PM CDT Tuesday afternoon. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. * ADDITIONAL DETAILS...Wave heights will peak at 3 to 6 feet tonight. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$ ILZ006-103-104-280415- /O.CON.KLOT.BH.S.0020.210927T2100Z-210928T1800Z/ Lake IL-Northern Cook-Central Cook- 315 PM CDT Mon Sep 27 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH TUESDAY AFTERNOON... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. * WHERE...Lake IL, Northern Cook and Central Cook Counties. * WHEN...From 4 PM CDT this afternoon through 1 PM CDT Tuesday afternoon. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. * ADDITIONAL DETAILS...Wave heights will peak at 4 to 6 feet this evening and overnight. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$ INZ001-280415- /O.CON.KLOT.BH.S.0020.210927T2300Z-210928T1800Z/ Lake IN- 315 PM CDT Mon Sep 27 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH TUESDAY AFTERNOON... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. * WHERE...Lake IN County. * WHEN...From 6 PM this evening through 1 PM CDT Tuesday afternoon. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. * ADDITIONAL DETAILS...Wave heights will peak at 3 to 6 feet tonight. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$
520 WHUS43 KLOT 280121 CFWLOT Coastal Hazard Message National Weather Service Chicago IL 821 PM CDT Mon Sep 27 2021 ILZ006-103-104-280930- /O.CON.KLOT.BH.S.0020.000000T0000Z-210928T1800Z/ Lake IL-Northern Cook-Central Cook- 821 PM CDT Mon Sep 27 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH TUESDAY AFTERNOON... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. * WHERE...Lake IL, Northern Cook and Central Cook Counties. * WHEN...Through Tuesday afternoon. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. * ADDITIONAL DETAILS...Wave heights will peak at 4 to 6 feet this evening and overnight. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$ INZ001-002-280930- /O.CON.KLOT.BH.S.0020.000000T0000Z-210928T1800Z/ Lake IN-Porter- 821 PM CDT Mon Sep 27 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH TUESDAY AFTERNOON... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. * WHERE...Lake IN County. * WHEN...Through Tuesday afternoon. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. * ADDITIONAL DETAILS...Wave heights will peak at 3 to 6 feet tonight. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$
552 WHUS43 KLOT 280829 CFWLOT Coastal Hazard Message National Weather Service Chicago IL 329 AM CDT Tue Sep 28 2021 ILZ006-103-104-281800- /O.CON.KLOT.BH.S.0020.000000T0000Z-210928T1800Z/ Lake IL-Northern Cook-Central Cook- 329 AM CDT Tue Sep 28 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. * WHERE...Lake IL, Northern Cook and Central Cook Counties. * WHEN...Through 1 PM CDT this afternoon. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$ INZ001-002-281800- /O.CON.KLOT.BH.S.0020.000000T0000Z-210928T1800Z/ Lake IN-Porter- 329 AM CDT Tue Sep 28 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. * WHERE...Lake IN County. * WHEN...Through 1 PM CDT this afternoon. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$
The office that day
Everything else NWS Chicago, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 27, 3:00 AM CDT | Small Craft Advisory | LOT | 31 hr |
Nearby
Beach Hazards Statements in Illinois, 2021Beach Hazards Statements in Indiana, 2021Every beach hazards statement in 2021
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.