Alert archive / Indiana / Beach Hazards Statements in 2021

Beach Hazards Statement 3, NWS Chicago, IL

June 15, 2021Lake County, Porter County, Indiana; Cook County, Lake County, Illinois

NWS Chicago, IL issued this beach hazards statement at Jun 15, 2021, 2:54 AM CDT for Lake County, Porter County, Indiana; Cook County, Lake County, Illinois. It took effect at Jun 15, 2021, 7:00 PM CDT. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Jun 15, 2021, 2:54 AM CDT (07:54 UTC)
In effect from
Jun 15, 2021, 7:00 PM CDT
Expired
Jun 16, 2021, 7:00 AM CDT
In force
12 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 07:53 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.

Skew-T log-pSkew-T log-p diagram, Lincoln, IL at 00:00Z on 2021-06-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2021-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -1 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2425 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
-1 m²/s²
0-3 km storm-relative helicity
83 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

230 
WHUS43 KLOT 150754
CFWLOT

Coastal Hazard Message
National Weather Service Chicago IL
254 AM CDT Tue Jun 15 2021

ILZ006-103-104-INZ001-002-151800-
/O.NEW.KLOT.BH.S.0003.210615T2100Z-210616T1200Z/
Lake IL-Northern Cook-Central Cook-Lake IN-Porter-
254 AM CDT Tue Jun 15 2021

...BEACH HAZARDS STATEMENT IN EFFECT FROM LATE THIS AFTERNOON 
THROUGH EARLY WEDNESDAY MORNING...

* WHAT...High wave action and dangerous currents expected at 
  Lake Michigan beaches.

* WHERE...In Indiana, Lake IN and Porter Counties. In Illinois,
  Lake IL, Northern and Central Cook Counties.

* WHEN...From 4 PM CDT this afternoon through 7 AM CDT Wednesday
  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...Wave heights of 3 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.

&&

$$

Carlaw
4 follow-up statements
757 
WHUS43 KLOT 151439
CFWLOT

Coastal Hazard Message
National Weather Service Chicago IL
939 AM CDT Tue Jun 15 2021

ILZ006-103-104-INZ001-002-152245-
/O.CON.KLOT.BH.S.0003.210615T2100Z-210616T1200Z/
Lake IL-Northern Cook-Central Cook-Lake IN-Porter-
939 AM CDT Tue Jun 15 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 4 PM CDT THIS
AFTERNOON THROUGH WEDNESDAY MORNING...

* WHAT...High wave action and dangerous currents expected at 
  Lake Michigan beaches.

* WHERE...In Indiana, Lake and Porter Counties. In Illinois, Lake
  and Northern and Central Cook Counties.

* WHEN...From 4 PM CDT this afternoon through 7 AM CDT Wednesday
  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...Wave heights of 3 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.

&&

$$
427 
WHUS43 KLOT 152002
CFWLOT

Coastal Hazard Message
National Weather Service Chicago IL
302 PM CDT Tue Jun 15 2021

ILZ006-103-104-INZ001-002-160415-
/O.EXT.KLOT.BH.S.0003.210616T0000Z-210616T1200Z/
Lake IL-Northern Cook-Central Cook-Lake IN-Porter-
302 PM CDT Tue Jun 15 2021

...BEACH HAZARDS STATEMENT NOW IN EFFECT FROM 7 PM CDT THIS
EVENING THROUGH WEDNESDAY MORNING...

* WHAT...High wave action and dangerous currents expected at 
  Lake Michigan beaches.

* WHERE...In Indiana, Lake and Porter Counties. In Illinois, 
  Lake and Northern and Central Cook Counties.

* WHEN...From 7 PM CDT this evening through Wednesday 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...Wave heights of 3 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.

&&

$$

Castro
138 
WHUS43 KLOT 160753
CFWLOT

Coastal Hazard Message
National Weather Service Chicago IL
253 AM CDT Wed Jun 16 2021

ILZ006-160900-
/O.CAN.KLOT.BH.S.0003.000000T0000Z-210616T1200Z/
Lake IL-
253 AM CDT Wed Jun 16 2021

...BEACH HAZARDS STATEMENT IS CANCELLED...

Waves will continue to diminish early this morning. The Beach
Hazards Statement is cancelled. 

$$

ILZ103-104-INZ001-002-161200-
/O.CON.KLOT.BH.S.0003.000000T0000Z-210616T1200Z/
Northern Cook-Central Cook-Lake IN-Porter-
253 AM CDT Wed Jun 16 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 Northern and Central 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.

* ADDITIONAL DETAILS...Wave heights of 3 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.

&&

$$

Carlaw
698 
WHUS43 KLOT 161200
CFWLOT

Coastal Hazard Message
National Weather Service Chicago IL
700 AM CDT Wed Jun 16 2021

ILZ103-104-INZ001-002-161300-
/O.EXP.KLOT.BH.S.0003.000000T0000Z-210616T1200Z/
Northern Cook-Central Cook-Lake IN-Porter-
700 AM CDT Wed Jun 16 2021

...BEACH HAZARDS STATEMENT HAS EXPIRED...

Waves will continue to diminish this morning. The Beach Hazards 
Statement has been allowed to expire.

$$

Petr

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 15, 3:03 AM CDTSmall Craft AdvisoryLOT24 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.