Alert archive / Indiana / Beach Hazards Statements in 2021
Beach Hazards Statement 11, NWS Chicago, IL
NWS Chicago, IL issued this beach hazards statement at Aug 21, 2021, 10:08 AM CDT for Lake County, Porter County, Indiana; Cook County, Lake County, Illinois. It took effect at Aug 22, 2021, 4:00 AM CDT. It was in force for 21 hr.
The area
The counties it named.
The facts
- Issued
- Aug 21, 2021, 10:08 AM CDT (15:08 UTC)
- In effect from
- Aug 22, 2021, 4:00 AM CDT
- Expired
- Aug 23, 2021, 1:00 AM 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 15:06 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 12:00Z, 3.1 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
- 286 J/kg
- Mixed-layer CIN
- -68 J/kg
- Mixed-layer LCL
- 817 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 36 m²/s²
- 0-3 km storm-relative helicity
- 65 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
072 WHUS43 KLOT 211508 CFWLOT Coastal Hazard Message National Weather Service Chicago IL 1008 AM CDT Sat Aug 21 2021 ILZ006-103-104-INZ001-002-212315- /O.NEW.KLOT.BH.S.0011.210822T0900Z-210823T0300Z/ Lake IL-Northern Cook-Central Cook-Lake IN-Porter- 1008 AM CDT Sat Aug 21 2021 ...BEACH HAZARDS STATEMENT IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY EVENING... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. Waves will peak at 4 to 6 feet. * WHERE...In Indiana, Lake and Porter counties. In Illinois, Lake and Cook counties. * WHEN...Until 4 AM to 10 PM CDT Sunday. * 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. && $$
6 follow-up statements
930 WHUS43 KLOT 212125 CFWLOT Coastal Hazard Message National Weather Service Chicago IL 425 PM CDT Sat Aug 21 2021 ILZ006-103-104-INZ001-002-220530- /O.CON.KLOT.BH.S.0011.210822T0900Z-210823T0300Z/ Lake IL-Northern Cook-Central Cook-Lake IN-Porter- 425 PM CDT Sat Aug 21 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 4 AM CDT SUNDAY THROUGH SUNDAY EVENING... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. * WHERE...Lake Michigan Beaches in Illinois and Indiana. * WHEN...From 4 AM CDT Sunday through Sunday evening. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. For information on swim advisories or bans at Chicago beaches: www. cpdbeaches. com. * ADDITIONAL DETAILS...Waves to 6 feet are expected. Stay dry when waves are high. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$
412 WHUS43 KLOT 220252 CFWLOT Coastal Hazard Message National Weather Service Chicago IL 952 PM CDT Sat Aug 21 2021 ILZ006-103-104-INZ001-002-221100- /O.CON.KLOT.BH.S.0011.210822T0900Z-210823T0300Z/ Lake IL-Northern Cook-Central Cook-Lake IN-Porter- 952 PM CDT Sat Aug 21 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 4 AM CDT SUNDAY THROUGH SUNDAY EVENING... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. * WHERE...Lake Michigan Beaches in Illinois and Indiana. * WHEN...From 4 AM CDT Sunday through Sunday evening. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. For information on swim advisories or bans at Chicago beaches: www. cpdbeaches. com. * ADDITIONAL DETAILS...Waves to 6 feet are expected. Stay dry when waves are high. 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. && $$
138 WHUS43 KLOT 220911 CFWLOT Coastal Hazard Message National Weather Service Chicago IL 411 AM CDT Sun Aug 22 2021 ILZ006-103-104-INZ001-002-221800- /O.CON.KLOT.BH.S.0011.000000T0000Z-210823T0300Z/ Lake IL-Northern Cook-Central Cook-Lake IN-Porter- 411 AM CDT Sun Aug 22 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THIS EVENING... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. * WHERE...Lake Michigan Beaches in Illinois and Indiana. * WHEN...Through this evening. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. For information on swim advisories or bans at Chicago beaches: www. cpdbeaches. com. * ADDITIONAL DETAILS...Waves up to 7 feet are expected. Stay dry when waves are high. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$ Carlaw
857 WHUS43 KLOT 221508 CFWLOT Coastal Hazard Message National Weather Service Chicago IL 1008 AM CDT Sun Aug 22 2021 ILZ006-103-104-INZ001-002-222315- /O.CON.KLOT.BH.S.0011.000000T0000Z-210823T0300Z/ Lake IL-Northern Cook-Central Cook-Lake IN-Porter- 1008 AM CDT Sun Aug 22 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 10 PM CDT THIS EVENING... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. * WHERE...Lake Michigan Beaches in Illinois and Indiana. * WHEN...Through this evening. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. For information on swim advisories or bans at Chicago beaches: www. cpdbeaches. com. * ADDITIONAL DETAILS...Waves up to 7 feet are expected. Stay dry when waves are high. 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. && $$
298 WHUS43 KLOT 222032 CFWLOT Coastal Hazard Message National Weather Service Chicago IL 332 PM CDT Sun Aug 22 2021 ILZ006-103-104-INZ001-002-230300- /O.CON.KLOT.BH.S.0011.000000T0000Z-210823T0300Z/ Lake IL-Northern Cook-Central Cook-Lake IN-Porter- 332 PM CDT Sun Aug 22 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 10 PM CDT THIS EVENING... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. * WHERE...Lake Michigan Beaches in Illinois and Indiana. * WHEN...Through this evening. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. For information on swim advisories or bans at Chicago beaches: www. cpdbeaches. com. * ADDITIONAL DETAILS...Waves up to 7 feet are expected. Stay dry when waves are high. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$
874 WHUS43 KLOT 230148 CFWLOT Coastal Hazard Message National Weather Service Chicago IL 848 PM CDT Sun Aug 22 2021 ILZ006-103-104-INZ001-002-230600- /O.EXT.KLOT.BH.S.0011.000000T0000Z-210823T0600Z/ Lake IL-Northern Cook-Central Cook-Lake IN-Porter- 848 PM CDT Sun Aug 22 2021 ...BEACH HAZARDS STATEMENT NOW IN EFFECT UNTIL 1 AM CDT MONDAY... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. * WHERE...In Indiana, Lake IN and Porter Counties. In Illinois, Northern Cook, Lake IL and Central Cook Counties. * WHEN...Until 1 AM CDT Monday. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. For information on swim advisories or bans at Chicago beaches: www. cpdbeaches. com. * ADDITIONAL DETAILS...Waves up to 5 feet are expected. Stay dry when waves are high.. 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. && $$ Ratzer
The office that day
Everything else NWS Chicago, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 21, 3:16 AM CDT | Small Craft Advisory | LOT | 46 hr | |
| Aug 21, 3:24 PM CDT | Special Marine Warning | LOT | 96 min |
Nearby
Beach Hazards Statements in Indiana, 2021Beach Hazards Statements in Illinois, 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.