Alert archive / Indiana / Beach Hazards Statements in 2020

Beach Hazards Statement 13, NWS Chicago, IL

August 28, 2020Lake County, Porter County, Indiana; Cook County, Illinois

NWS Chicago, IL issued this beach hazards statement at Aug 28, 2020, 3:16 AM CDT for Lake County, Porter County, Indiana; Cook County, Illinois. It took effect at Aug 29, 2020, 4:00 AM CDT. It was in force for 34 hr.

The area

The counties it named.

The facts

Issued
Aug 28, 2020, 3:16 AM CDT (08:16 UTC)
In effect from
Aug 29, 2020, 4:00 AM CDT
Expired
Aug 30, 2020, 2:26 PM CDT
In force
34 hr
Issued by
NWS Chicago, IL

Counties Cook County, IL, Lake County, IN, Porter County, IN

The radar

The Chicago radar (KLOT), 60 km from the middle of the area, began a volume at 08:19 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, 8.3 hours before the alert went out and 194 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.

Skew-T log-pSkew-T log-p diagram, Lincoln, IL at 00:00Z on 2020-08-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 708 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 00:00Z on 2020-08-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 43 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
708 J/kg
Mixed-layer CIN
-69 J/kg
Mixed-layer LCL
1294 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
43 m²/s²
0-3 km storm-relative helicity
53 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

043 
WHUS43 KLOT 280816
CFWLOT

LAKESHORE HAZARD MESSAGE
National Weather Service Chicago IL
316 AM CDT Fri Aug 28 2020

INZ001-002-281630-
/O.NEW.KLOT.BH.S.0013.200829T0900Z-200830T0600Z/
Lake IN-Porter-
316 AM CDT Fri Aug 28 2020

...BEACH HAZARDS STATEMENT IN EFFECT FROM LATE TONIGHT THROUGH
LATE SATURDAY NIGHT...

The National Weather Service in Chicago has issued a Beach
Hazards Statement...which is in effect from late tonight through
late Saturday night. 

* LOCATION...Lake and Porter County shores of northwest Indiana. 

* HIGH WAVE ACTION AND DANGEROUS SWIMMING CONDITIONS EXPECTED.

* FORECAST WAVE HEIGHTS...3 to 6 feet increasing to 5 to 8 feet. 

* STRONG RIP CURRENTS AND STRUCTURAL CURRENTS EXPECTED.

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. Please check with your local authorities on
potential beach closures.

&&

$$

KMD
10 follow-up statements
585 
WHUS43 KLOT 281512
CFWLOT

LAKESHORE HAZARD MESSAGE
National Weather Service Chicago IL
1012 AM CDT Fri Aug 28 2020

INZ001-002-282315-
/O.CON.KLOT.BH.S.0013.200829T0900Z-200830T0600Z/
Lake IN-Porter-
1012 AM CDT Fri Aug 28 2020

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM LATE TONIGHT
THROUGH LATE SATURDAY NIGHT...

* LOCATION...Lake and Porter County shores of northwest Indiana.

* HIGH WAVE ACTION AND DANGEROUS SWIMMING CONDITIONS EXPECTED.

* FORECAST WAVE HEIGHTS...3 to 6 feet increasing to 5 to 8 feet.

* STRONG RIP CURRENTS AND STRUCTURAL CURRENTS EXPECTED.

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. Please check with your local authorities on
potential beach closures.

&&

$$

Carlaw
133 
WHUS43 KLOT 281944
CFWLOT

LAKESHORE HAZARD MESSAGE
National Weather Service Chicago IL
244 PM CDT Fri Aug 28 2020

ILZ103>105-290445-
/O.EXB.KLOT.BH.S.0013.200829T0900Z-200830T0000Z/
Northern Cook-Central Cook-Southern Cook-
244 PM CDT Fri Aug 28 2020

...BEACH HAZARDS STATEMENT IN EFFECT FROM LATE TONIGHT THROUGH
SATURDAY EVENING...

The National Weather Service in Chicago has issued a Beach
Hazards Statement...which is in effect from late tonight through
Saturday evening. 

* LOCATION...Cook County shore in northeast Illinois.

* HIGH WAVE ACTION AND DANGEROUS SWIMMING CONDITIONS EXPECTED.

* FORECAST WAVE HEIGHTS...3 to 6 feet.

* STRONG RIP CURRENTS AND STRUCTURAL CURRENTS EXPECTED.

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. Please check with your local authorities on
potential beach closures.

&&

$$

INZ001-002-290445-
/O.EXT.KLOT.BH.S.0013.200829T0900Z-200831T0000Z/
Lake IN-Porter-
244 PM CDT Fri Aug 28 2020

...BEACH HAZARDS STATEMENT NOW IN EFFECT FROM LATE TONIGHT
THROUGH SUNDAY EVENING...

* LOCATION...Lake and Porter County shores of northwest Indiana.

* HIGH WAVE ACTION AND DANGEROUS SWIMMING CONDITIONS EXPECTED.

* FORECAST WAVE HEIGHTS...4 to 6 feet tonight increasing to 5 to 
  8 feet Saturday morning. 

* STRONG RIP CURRENTS AND STRUCTURAL CURRENTS EXPECTED.

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. Please check with your local authorities on
potential beach closures.

&&

$$

Carlaw
782 
WHUS43 KLOT 290222
CFWLOT

LAKESHORE HAZARD MESSAGE
National Weather Service Chicago IL
922 PM CDT Fri Aug 28 2020

INZ001-002-291030-
/O.CON.KLOT.BH.S.0013.200829T0900Z-200831T0000Z/
Lake IN-Porter-
922 PM CDT Fri Aug 28 2020

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 4 AM CDT
SATURDAY THROUGH SUNDAY EVENING...

* LOCATION...Lake and Porter County shores of northwest Indiana.

* HIGH WAVE ACTION AND DANGEROUS SWIMMING CONDITIONS EXPECTED.

* FORECAST WAVE HEIGHTS...4 to 6 feet tonight increasing to 5 to 
  8 feet Saturday morning. 

* STRONG RIP CURRENTS AND STRUCTURAL CURRENTS EXPECTED.

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. Please check with your local authorities on
potential beach closures.

&&

$$

ILZ103>105-291030-
/O.CON.KLOT.BH.S.0013.200829T0900Z-200830T0000Z/
Northern Cook-Central Cook-Southern Cook-
922 PM CDT Fri Aug 28 2020

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 4 AM CDT
SATURDAY THROUGH SATURDAY EVENING...

* LOCATION...Cook County shore in northeast Illinois.

* HIGH WAVE ACTION AND DANGEROUS SWIMMING CONDITIONS EXPECTED.

* FORECAST WAVE HEIGHTS...3 to 6 feet.

* STRONG RIP CURRENTS AND STRUCTURAL CURRENTS EXPECTED.

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. Please check with your local authorities on
potential beach closures.

&&

$$
227 
WHUS43 KLOT 290931
CFWLOT

LAKESHORE HAZARD MESSAGE
National Weather Service Chicago IL
431 AM CDT Sat Aug 29 2020

INZ001-002-291745-
/O.CON.KLOT.BH.S.0013.000000T0000Z-200831T0000Z/
Lake IN-Porter-
431 AM CDT Sat Aug 29 2020

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH SUNDAY
EVENING...

* LOCATION...Lake and Porter County shores of northwest Indiana.

* HIGH WAVE ACTION AND DANGEROUS SWIMMING CONDITIONS EXPECTED.

* FORECAST WAVE HEIGHTS...4 to 7 feet today, then 3 to 5 ft. 

* STRONG RIP CURRENTS AND STRUCTURAL CURRENTS EXPECTED.

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. Please check with your local authorities on
potential beach closures.

&&

$$

ILZ103>105-291745-
/O.CON.KLOT.BH.S.0013.000000T0000Z-200830T0000Z/
Northern Cook-Central Cook-Southern Cook-
431 AM CDT Sat Aug 29 2020

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THIS
EVENING...

* LOCATION...Cook County shore in northeast Illinois.

* HIGH WAVE ACTION AND DANGEROUS SWIMMING CONDITIONS EXPECTED.

* FORECAST WAVE HEIGHTS...3 to 5 feet.

* STRONG RIP CURRENTS AND STRUCTURAL CURRENTS EXPECTED.

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. Please check with your local authorities on
potential beach closures.

&&

$$

Lenning
385 
WHUS43 KLOT 291527
CFWLOT

LAKESHORE HAZARD MESSAGE
National Weather Service Chicago IL
1027 AM CDT Sat Aug 29 2020

ILZ105-291630-
/O.CAN.KLOT.BH.S.0013.000000T0000Z-200830T0000Z/
Southern Cook-
1027 AM CDT Sat Aug 29 2020

...BEACH HAZARDS STATEMENT IS CANCELLED...

The National Weather Service in Chicago has cancelled the Beach
Hazards Statement. 

$$

INZ001-002-292330-
/O.CON.KLOT.BH.S.0013.000000T0000Z-200831T0000Z/
Lake IN-Porter-
1027 AM CDT Sat Aug 29 2020

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH SUNDAY
EVENING...

* LOCATION...Lake and Porter County shores of northwest Indiana.

* HIGH WAVE ACTION AND DANGEROUS SWIMMING CONDITIONS EXPECTED.

* FORECAST WAVE HEIGHTS...4 to 7 feet today, then 3 to 5 ft.

* STRONG RIP CURRENTS AND STRUCTURAL CURRENTS EXPECTED.

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. Please check with your local authorities on
potential beach closures.

&&

$$

ILZ103-104-292330-
/O.CON.KLOT.BH.S.0013.000000T0000Z-200830T0000Z/
Northern Cook-Central Cook-
1027 AM CDT Sat Aug 29 2020

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 7 PM CDT THIS
EVENING...

* LOCATION...Cook County shore in northeast Illinois.

* HIGH WAVE ACTION AND DANGEROUS SWIMMING CONDITIONS EXPECTED.

* FORECAST WAVE HEIGHTS...3 to 6 feet.

* STRONG RIP CURRENTS AND STRUCTURAL CURRENTS EXPECTED.

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. Please check with your local authorities on
potential beach closures.

&&

$$

Carlaw
099 
WHUS43 KLOT 291948
CFWLOT

LAKESHORE HAZARD MESSAGE
National Weather Service Chicago IL
248 PM CDT Sat Aug 29 2020

INZ001-002-300500-
/O.CON.KLOT.BH.S.0013.000000T0000Z-200831T0000Z/
Lake IN-Porter-
248 PM CDT Sat Aug 29 2020

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH SUNDAY
EVENING...

* LOCATION...Lake and Porter County shores of northwest Indiana.

* HIGH WAVE ACTION AND DANGEROUS SWIMMING CONDITIONS EXPECTED.

* FORECAST WAVE HEIGHTS...4 to 6 feet. 

* STRONG RIP CURRENTS AND STRUCTURAL CURRENTS EXPECTED.

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. Please check with your local authorities on
potential beach closures.

&&

$$

ILZ103-104-300000-
/O.CON.KLOT.BH.S.0013.000000T0000Z-200830T0000Z/
Northern Cook-Central Cook-
248 PM CDT Sat Aug 29 2020

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 7 PM CDT THIS
EVENING...

* LOCATION...Cook County shore in northeast Illinois.

* HIGH WAVE ACTION AND DANGEROUS SWIMMING CONDITIONS EXPECTED.

* FORECAST WAVE HEIGHTS...3 to 5 feet.

* STRONG RIP CURRENTS AND STRUCTURAL CURRENTS EXPECTED.

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. Please check with your local authorities on
potential beach closures.

&&

$$

Carlaw
974 
WHUS43 KLOT 292356
CFWLOT

LAKESHORE HAZARD MESSAGE
National Weather Service Chicago IL
656 PM CDT Sat Aug 29 2020

ILZ103-104-300100-
/O.EXP.KLOT.BH.S.0013.000000T0000Z-200830T0000Z/
Northern Cook-Central Cook-
656 PM CDT Sat Aug 29 2020

...BEACH HAZARDS STATEMENT WILL EXPIRE AT 7 PM CDT THIS EVENING...

Waves are slowly subsiding this evening. However, moderate swim
risk conditions will continue into Sunday with waves of 2 to 4
feet.

$$

INZ001-002-300800-
/O.CON.KLOT.BH.S.0013.000000T0000Z-200831T0000Z/
Lake IN-Porter-
656 PM CDT Sat Aug 29 2020

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH SUNDAY
EVENING...

* LOCATION...Lake and Porter County shores of northwest Indiana.

* HIGH WAVE ACTION AND DANGEROUS SWIMMING CONDITIONS EXPECTED.

* FORECAST WAVE HEIGHTS...3 to 6 feet.

* STRONG RIP CURRENTS AND STRUCTURAL CURRENTS EXPECTED.

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. Please check with your local authorities on
potential beach closures.

&&

$$

Kluber
219 
WHUS43 KLOT 300859
CFWLOT

LAKESHORE HAZARD MESSAGE
National Weather Service Chicago IL
359 AM CDT Sun Aug 30 2020

INZ001-002-301700-
/O.CON.KLOT.BH.S.0013.000000T0000Z-200831T0000Z/
Lake IN-Porter-
359 AM CDT Sun Aug 30 2020

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THIS
EVENING...

* LOCATION...Lake and Porter County shores of northwest Indiana.

* HIGH WAVE ACTION AND DANGEROUS SWIMMING CONDITIONS EXPECTED.

* FORECAST WAVE HEIGHTS...3 to 5 feet.

* STRONG RIP CURRENTS AND STRUCTURAL CURRENTS EXPECTED.

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. Please check with your local authorities on
potential beach closures.

&&

$$

Lenning
436 
WHUS43 KLOT 301428
CFWLOT

LAKESHORE HAZARD MESSAGE
National Weather Service Chicago IL
928 AM CDT Sun Aug 30 2020

INZ001-002-302230-
/O.CON.KLOT.BH.S.0013.000000T0000Z-200831T0000Z/
Lake IN-Porter-
928 AM CDT Sun Aug 30 2020

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 7 PM CDT THIS
EVENING...

* LOCATION...Lake and Porter County shores of northwest Indiana.

* HIGH WAVE ACTION AND DANGEROUS SWIMMING CONDITIONS EXPECTED.

* FORECAST WAVE HEIGHTS...3 to 5 feet.

* STRONG RIP CURRENTS AND STRUCTURAL CURRENTS EXPECTED.

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. Please check with your local authorities on
potential beach closures.

&&

$$

Borchardt
442 
WHUS43 KLOT 301926
CFWLOT

LAKESHORE HAZARD MESSAGE
National Weather Service Chicago IL
226 PM CDT Sun Aug 30 2020

INZ001-002-302030-
/O.CAN.KLOT.BH.S.0013.000000T0000Z-200831T0000Z/
Lake IN-Porter-
226 PM CDT Sun Aug 30 2020

...BEACH HAZARDS STATEMENT IS CANCELLED...

The National Weather Service in Chicago has cancelled the Beach
Hazards Statement. 

Buoy observations and webcams show that waves continue to
gradually decrease. As such, the Beach Hazards Statement will be
allowed to be cancelled early. 

$$

Borchardt

The office that day

Everything else NWS Chicago, IL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 28, 12:55 PM CDTSpecial Weather StatementLOTJasper35 min
Aug 28, 3:13 AM CDTSmall Craft AdvisoryLOT49 hr
Aug 28, 12:17 PM CDTSpecial Weather StatementLOTKankakee43 min

Nearby

Beach Hazards Statements in Indiana, 2020Beach Hazards Statements in Illinois, 2020Every beach hazards statement in 2020

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.