Alert archive / Indiana / Beach Hazards Statements in 2021

Beach Hazards Statement 15, NWS Chicago, IL

September 7, 2021Porter County, Indiana

NWS Chicago, IL issued this beach hazards statement at Sep 7, 2021, 3:59 AM CDT for Porter County, Indiana. It took effect at Sep 7, 2021, 12:00 PM CDT. It was in force for 46 hr.

The area

The counties it named.

The facts

Issued
Sep 7, 2021, 3:59 AM CDT (08:59 UTC)
In effect from
Sep 7, 2021, 12:00 PM CDT
Expired
Sep 9, 2021, 10:00 AM CDT
In force
46 hr
Issued by
NWS Chicago, IL

County Porter County, IN

The radar

The Chicago radar (KLOT), 85 km from the middle of the area, began a volume at 09:02 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, 9.0 hours before the alert went out and 198 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 2021-09-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 104 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 2021-09-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 58 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
104 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
1716 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
58 m²/s²
0-3 km storm-relative helicity
128 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

As transmitted.

223 
WHUS43 KLOT 070859
CFWLOT

Coastal Hazard Message
National Weather Service Chicago IL
359 AM CDT Tue Sep 7 2021

INZ002-071700-
/O.NEW.KLOT.BH.S.0015.210907T1700Z-210908T1800Z/
Porter-
359 AM CDT Tue Sep 7 2021

...BEACH HAZARDS STATEMENT IN EFFECT FROM NOON CDT TODAY THROUGH
WEDNESDAY AFTERNOON...

* WHAT...High wave action with waves of 3 to 5 feet and dangerous
  currents expected at Lake Michigan beaches.

* WHERE...Porter County.

* WHEN...From noon CDT today through Wednesday 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.

&&

$$
9 follow-up statements
025 
WHUS43 KLOT 071537
CFWLOT

Coastal Hazard Message
National Weather Service Chicago IL
1037 AM CDT Tue Sep 7 2021

INZ002-072345-
/O.CON.KLOT.BH.S.0015.210907T1700Z-210908T1800Z/
Porter-
1037 AM CDT Tue Sep 7 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH WEDNESDAY
AFTERNOON...

* WHAT...High wave action with waves of 3 to 5 feet and 
  dangerous currents expected at Lake Michigan beaches.

* WHERE...Porter County.

* WHEN...From noon CDT today through Wednesday 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.

&&

$$
831 
WHUS43 KLOT 072114
CFWLOT

Coastal Hazard Message
National Weather Service Chicago IL
414 PM CDT Tue Sep 7 2021

INZ002-080515-
/O.CON.KLOT.BH.S.0015.000000T0000Z-210908T1800Z/
Porter-
414 PM CDT Tue Sep 7 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH WEDNESDAY
AFTERNOON...

* WHAT...High wave action and dangerous currents expected at Lake
  Michigan beaches. Waves 3 to 5 feet are expected.

* WHERE...Porter County.

* WHEN...Through Wednesday 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.

&&

$$
126 
WHUS43 KLOT 080224
CFWLOT

Coastal Hazard Message
National Weather Service Chicago IL
924 PM CDT Tue Sep 7 2021

INZ002-081030-
/O.CON.KLOT.BH.S.0015.000000T0000Z-210908T1800Z/
Porter-
924 PM CDT Tue Sep 7 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH WEDNESDAY
AFTERNOON...

* WHAT...High wave action and dangerous currents expected at 
  Lake Michigan beaches. Waves 3 to 5 feet are expected.

* WHERE...Porter County.

* WHEN...Through Wednesday 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.

&&

$$
633 
WHUS43 KLOT 080847
CFWLOT

Coastal Hazard Message
National Weather Service Chicago IL
347 AM CDT Wed Sep 8 2021

INZ002-081700-
/O.CON.KLOT.BH.S.0015.000000T0000Z-210908T1800Z/
Porter-
347 AM CDT Wed Sep 8 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. Waves up to 5 feet are expected.

* WHERE...Porter County.

* WHEN...Until 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.

&&

$$
105 
WHUS43 KLOT 081556
CFWLOT

Coastal Hazard Message
National Weather Service Chicago IL
1056 AM CDT Wed Sep 8 2021

INZ002-090000-
/O.EXT.KLOT.BH.S.0015.000000T0000Z-210909T0900Z/
Porter-
1056 AM CDT Wed Sep 8 2021

...BEACH HAZARDS STATEMENT NOW IN EFFECT THROUGH LATE TONIGHT...

* WHAT...High wave action and dangerous currents expected at 
  Lake Michigan beaches. Waves up to 5 feet are expected.

* WHERE...Porter County.

* WHEN...Through late tonight.

* 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.

&&

$$
408 
WHUS43 KLOT 082124
CFWLOT

Coastal Hazard Message
National Weather Service Chicago IL
424 PM CDT Wed Sep 8 2021

INZ002-090530-
/O.CON.KLOT.BH.S.0015.000000T0000Z-210909T0900Z/
Porter-
424 PM CDT Wed Sep 8 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 4 AM CDT
THURSDAY...

* WHAT...High wave action and dangerous currents expected at 
  Lake Michigan beaches. Waves up to 6 feet are expected.

* WHERE...Porter County.

* WHEN...Through late tonight.

* 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.

&&

$$
611 
WHUS43 KLOT 090211
CFWLOT

Coastal Hazard Message
National Weather Service Chicago IL
911 PM CDT Wed Sep 8 2021

INZ002-091015-
/O.EXT.KLOT.BH.S.0015.000000T0000Z-210909T1500Z/
Porter-
911 PM CDT Wed Sep 8 2021

...BEACH HAZARDS STATEMENT NOW IN EFFECT THROUGH THURSDAY
MORNING...

* WHAT...High wave action and dangerous currents expected at 
  Lake Michigan beaches. Waves up to 6 feet are expected.

* WHERE...Porter County.

* WHEN...Through Thursday morning.

* 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.

&&

$$
641 
WHUS43 KLOT 090815
CFWLOT

Coastal Hazard Message
National Weather Service Chicago IL
315 AM CDT Thu Sep 9 2021

INZ002-091500-
/O.CON.KLOT.BH.S.0015.000000T0000Z-210909T1500Z/
Porter-
315 AM CDT Thu Sep 9 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 10 AM CDT THIS
MORNING...

* WHAT...High wave action and dangerous currents expected at Lake 
  Michigan beaches. Waves up to 5 feet are expected this morning.

* WHERE...Porter County.

* WHEN...Through Thursday morning.

* 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.

&&

$$
458 
WHUS43 KLOT 091442
CFWLOT

Coastal Hazard Message
National Weather Service Chicago IL
942 AM CDT Thu Sep 9 2021

INZ002-091545-
/O.EXP.KLOT.BH.S.0015.000000T0000Z-210909T1500Z/
Porter-
942 AM CDT Thu Sep 9 2021

...BEACH HAZARDS STATEMENT WILL EXPIRE AT 10 AM CDT THIS
MORNING...

Waves have subsided and the risk of rip currents has decreased.

$$

Izzi

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 7, 3:28 PM CDTSevere Thunderstorm Warning Considerable damage threatLOTLake, Newton62 min
Sep 7, 3:58 PM CDTSevere Thunderstorm Warning Considerable damage threatLOTJasper, Porter62 min
Sep 7, 4:34 PM CDTSpecial Weather StatementLOTNewton56 min

Nearby

Beach 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.