Alert archive / Indiana / Beach Hazards Statements in 2021
Beach Hazards Statement 10, NWS Chicago, IL
NWS Chicago, IL issued this beach hazards statement at Jul 31, 2021, 2:51 AM CDT for Lake County, Porter County, Indiana; Cook County, Lake County, Illinois. It took effect at Aug 1, 2021, 7:00 AM CDT. It was in force for 24 hr.
The area
The counties it named.
The facts
- Issued
- Jul 31, 2021, 2:51 AM CDT (07:51 UTC)
- In effect from
- Aug 1, 2021, 7:00 AM CDT
- Expired
- Aug 2, 2021, 7:00 AM CDT
- In force
- 24 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 07:55 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, 7.9 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
- 1089 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- -10 m²/s²
- 0-3 km storm-relative helicity
- 40 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
742 WHUS43 KLOT 310751 CFWLOT Coastal Hazard Message National Weather Service Chicago IL 251 AM CDT Sat Jul 31 2021 ILZ006-103-104-INZ001-002-311600- /O.NEW.KLOT.BH.S.0010.210801T1200Z-210802T1200Z/ Lake IL-Northern Cook-Central Cook-Lake IN-Porter- 251 AM CDT Sat Jul 31 2021 ...BEACH HAZARDS STATEMENT IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY MORNING... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. * WHERE...In Indiana, Lake and Porter Counties. In Illinois, Lake and Cook counties. * WHEN...From Sunday morning through Monday morning. * 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...Peak wave heights of 3 to 7 feet are expected Sunday afternoon, highest in northwestern Indiana. 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. && $$ Borchardt
9 follow-up statements
497 WHUS43 KLOT 311455 CFWLOT Coastal Hazard Message National Weather Service Chicago IL 955 AM CDT Sat Jul 31 2021 ILZ006-103-104-INZ001-002-312300- /O.CON.KLOT.BH.S.0010.210801T1200Z-210802T1200Z/ Lake IL-Northern Cook-Central Cook-Lake IN-Porter- 955 AM CDT Sat Jul 31 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY MORNING... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. * WHERE...In Indiana, Lake and Porter Counties. In Illinois, Lake and Cook counties. * WHEN...From Sunday morning through Monday morning. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. For information on swim advisories or bans at Chicago beaches: www.cpdbeaches.com. * ADDITIONAL DETAILS...Peak wave heights of 3 to 7 feet are expected Sunday afternoon, highest in northwestern Indiana. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$
426 WHUS43 KLOT 312017 CFWLOT Coastal Hazard Message National Weather Service Chicago IL 317 PM CDT Sat Jul 31 2021 ILZ006-103-104-INZ001-002-010430- /O.CON.KLOT.BH.S.0010.210801T1200Z-210802T1200Z/ Lake IL-Northern Cook-Central Cook-Lake IN-Porter- 317 PM CDT Sat Jul 31 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY MORNING... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. * WHERE...In Indiana, Lake and Porter Counties. In Illinois, Lake and Cook counties. * WHEN...From Sunday morning through Monday morning. * 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...Peak wave heights of 3 to 7 feet are expected Sunday afternoon, highest in northwestern Indiana. 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. && $$
548 WHUS43 KLOT 010248 CFWLOT Coastal Hazard Message National Weather Service Chicago IL 948 PM CDT Sat Jul 31 2021 ILZ006-103-104-INZ001-002-011100- /O.CON.KLOT.BH.S.0010.210801T1200Z-210802T1200Z/ Lake IL-Northern Cook-Central Cook-Lake IN-Porter- 948 PM CDT Sat Jul 31 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 7 AM CDT SUNDAY THROUGH MONDAY MORNING... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. * WHERE...In Indiana, Lake and Porter counties. In Illinois, Lake and Cook counties. * WHEN...From Sunday morning through Monday morning. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. For information on swim advisories or bans at Chicago beaches: www.cpdbeaches.com. * ADDITIONAL DETAILS...Peak wave heights of 3 to 7 feet are expected Sunday afternoon, highest in northwestern Indiana. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$
384 WHUS43 KLOT 010647 CFWLOT Coastal Hazard Message National Weather Service Chicago IL 147 AM CDT Sun Aug 1 2021 ILZ006-103-104-INZ001-002-011500- /O.CON.KLOT.BH.S.0010.210801T1200Z-210802T1200Z/ Lake IL-Northern Cook-Central Cook-Lake IN-Porter- 147 AM CDT Sun Aug 1 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 7 AM CDT THIS MORNING THROUGH MONDAY MORNING... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. * WHERE...In Indiana, Lake and Porter counties. In Illinois, Lake and Cook counties. * WHEN...From this morning through Monday morning. * 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...Peak wave heights of 3 to 7 feet are expected this afternoon, highest in northwestern Indiana. 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. && $$
539 WHUS43 KLOT 011505 CFWLOT Coastal Hazard Message National Weather Service Chicago IL 1005 AM CDT Sun Aug 1 2021 ILZ006-103-104-INZ001-002-012315- /O.CON.KLOT.BH.S.0010.000000T0000Z-210802T1200Z/ Lake IL-Northern Cook-Central Cook-Lake IN-Porter- 1005 AM CDT Sun Aug 1 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH MONDAY MORNING... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. * WHERE...In Indiana, Lake and Porter counties. In Illinois, Lake and Cook counties. * WHEN...Through Monday morning. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. For information on swim advisories or bans at Chicago beaches: www.cpdbeaches.com. * ADDITIONAL DETAILS...Peak wave heights of 3 to 7 feet are expected this afternoon, highest in northwestern Indiana. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$
875 WHUS43 KLOT 012005 CFWLOT Coastal Hazard Message National Weather Service Chicago IL 305 PM CDT Sun Aug 1 2021 ILZ006-103-104-INZ001-002-020415- /O.CON.KLOT.BH.S.0010.000000T0000Z-210802T1200Z/ Lake IL-Northern Cook-Central Cook-Lake IN-Porter- 305 PM CDT Sun Aug 1 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH MONDAY MORNING... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. * WHERE...In Indiana, Lake and Porter counties. In Illinois, Lake and Cook counties. * WHEN...Through Monday morning. * 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...Peak wave heights of 3 to 7 feet are expected through this evening, highest in northwestern Indiana. 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. && $$
824 WHUS43 KLOT 020225 CFWLOT Coastal Hazard Message National Weather Service Chicago IL 925 PM CDT Sun Aug 1 2021 ILZ006-103-104-INZ001-002-021030- /O.CON.KLOT.BH.S.0010.000000T0000Z-210802T1200Z/ Lake IL-Northern Cook-Central Cook-Lake IN-Porter- 925 PM CDT Sun Aug 1 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 7 AM CDT MONDAY... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. * WHERE...In Indiana, Lake and Porter counties. In Illinois, Lake and Cook counties. * WHEN...Until 7 AM CDT Monday. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. For information on swim advisories or bans at Chicago beaches: www.cpdbeaches.com. * ADDITIONAL DETAILS...Peak wave heights of 3 to 6 feet are expected through early Monday morning, highest in northwestern Indiana. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$
688 WHUS43 KLOT 020813 CFWLOT Coastal Hazard Message National Weather Service Chicago IL 313 AM CDT Mon Aug 2 2021 ILZ006-103-104-INZ001-002-021200- /O.CON.KLOT.BH.S.0010.000000T0000Z-210802T1200Z/ Lake IL-Northern Cook-Central Cook-Lake IN-Porter- 313 AM CDT Mon Aug 2 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 7 AM CDT THIS MORNING... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. * WHERE...In Indiana, Lake and Porter counties. In Illinois, Lake and Cook counties. * WHEN...Until 7 AM CDT this morning. * 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. && $$
148 WHUS43 KLOT 021143 CFWLOT Coastal Hazard Message National Weather Service Chicago IL 643 AM CDT Mon Aug 2 2021 ILZ006-103-104-INZ001-002-021245- /O.EXP.KLOT.BH.S.0010.000000T0000Z-210802T1200Z/ Lake IL-Northern Cook-Central Cook-Lake IN-Porter- 643 AM CDT Mon Aug 2 2021 ...BEACH HAZARDS STATEMENT WILL EXPIRE AT 7 AM CDT THIS MORNING... Waves currently between 3 and 3.5 feet will continue to subside this morning, with heights at or below 1 feet expected by this evening. Accordingly, the Beach Hazards Statement will be allowed to expire at 7 AM this morning. $$ Borchardt
The office that day
Everything else NWS Chicago, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 31, 2:54 AM CDT | Small Craft Advisory | LOT | 52 hr |
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.