Alert archive / Indiana / Beach Hazards Statements in 2013

Beach Hazards Statement 17, NWS Chicago, IL

September 15, 2013Lake County, Porter County, Indiana; Lake County, Illinois

NWS Chicago, IL issued this beach hazards statement at Sep 15, 2013, 3:31 AM CDT for Lake County, Porter County, Indiana; Lake County, Illinois. It took effect at Sep 16, 2013, 4:00 AM CDT. It was in force for 30 hr.

The area

The counties it named.

The facts

Issued
Sep 15, 2013, 3:31 AM CDT (08:31 UTC)
In effect from
Sep 16, 2013, 4:00 AM CDT
Expired
Sep 17, 2013, 9:34 AM CDT
In force
30 hr
Issued by
NWS Chicago, IL

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

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 8.5 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 2013-09-15Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 00:00Z on 2013-09-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -10 square meters per square second.1939Sfc1 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
2410 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
-10 m²/s²
0-3 km storm-relative helicity
75 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

819 
WHUS43 KLOT 150831
CFWLOT

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
331 AM CDT SUN SEP 15 2013

ILZ006-014-INZ001-151645-
/O.NEW.KLOT.BH.S.0017.130916T0900Z-130917T1500Z/
LAKE IL-COOK-LAKE IN-
331 AM CDT SUN SEP 15 2013

...BEACH HAZARDS STATEMENT IN EFFECT FROM LATE TONIGHT THROUGH
TUESDAY MORNING...

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A BEACH
HAZARDS STATEMENT FOR DANGEROUS SWIMMING CONDITIONS...WHICH IS IN
EFFECT FROM LATE TONIGHT THROUGH TUESDAY MORNING. 

* HIGH WAVE ACTION AND DANGEROUS SWIMMING CONDITIONS EXPECTED.

* STRONG RIP CURRENTS EXPECTED.

* STRONG STRUCTURAL CURRENTS EXPECTED.

* OVERVIEW...INCREASING NORTHEAST WINDS TONIGHT WILL BUILD WAVES
  TO 3 TO 6 FT WITH OCCASIONAL WAVES TO 9 FT ALONG THE ILLINOIS
  SHORE AND PARTS OF THE INDIANA SHORE THROUGH MONDAY AND MONDAY
  NIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DANGEROUS POUNDING WAVES AND LIFE-THREATENING RIP CURRENTS ARE
EXPECTED AT THE BEACHES LATE TONIGHT THROUGH MONDAY NIGHT. PEOPLE
VISITING THE BEACHES SHOULD STAY OUT OF THE WATER DURING THAT TIME.

RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY
FROM SHORE...WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN
SANDBARS.  RIP CURRENTS CAN SWEEP YOU OUT AWAY FROM SHORE INTO
DEEPER WATER.

STRUCTURAL CURRENTS FORM ALONG PIERS AND BREAKWALLS WHERE
LONGSHORE CURRENTS AND WAVE ACTION FLOW INTO THE STRUCTURE. 
STRUCTURAL CURRENTS CAN SWEEP YOU OUT OUT AWAY FROM SHORE ALONG
THE PIER STRUCTURE.

&&

$$

MTF

PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE
NEW BEACH HAZARDS STATEMENT...

HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=CHMBHS

THEN AFTER DOING THE SURVEY VISIT US AT HTTP://WEATHER.GOV/CHICAGO

FOLLOW US ON FACEBOOK...TWITTER...AND YOUTUBE AT:
WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.CHICAGO.GOV
WWW.TWITTER.COM/NWSCHICAGO
WWW.YOUTUBE.COM/NWSCHICAGO
9 follow-up statements
417 
WHUS43 KLOT 151642
CFWLOT

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
1142 AM CDT SUN SEP 15 2013

ILZ006-014-INZ001-160045-
/O.CON.KLOT.BH.S.0017.130916T0900Z-130917T1500Z/
LAKE IL-COOK-LAKE IN-
1142 AM CDT SUN SEP 15 2013

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM LATE TONIGHT
THROUGH TUESDAY MORNING...

* HIGH WAVE ACTION AND DANGEROUS SWIMMING CONDITIONS EXPECTED.

* STRONG RIP CURRENTS EXPECTED.

* STRONG STRUCTURAL CURRENTS EXPECTED.

* OVERVIEW...INCREASING NORTHEAST WINDS TONIGHT WILL BUILD WAVES 
  TO 3 TO 6 FT WITH OCCASIONAL WAVES TO 9 FT ALONG THE ILLINOIS 
  SHORE AND PARTS OF THE INDIANA SHORE THROUGH MONDAY AND MONDAY 
  NIGHT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DANGEROUS POUNDING WAVES AND LIFE-THREATENING RIP CURRENTS ARE
EXPECTED AT THE BEACHES LATE TONIGHT THROUGH MONDAY NIGHT. PEOPLE
VISITING THE BEACHES SHOULD STAY OUT OF THE WATER DURING THAT
TIME.

RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY
FROM SHORE...WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN
SANDBARS.  RIP CURRENTS CAN SWEEP YOU OUT AWAY FROM SHORE INTO
DEEPER WATER.

STRUCTURAL CURRENTS FORM ALONG PIERS AND BREAKWALLS WHERE
LONGSHORE CURRENTS AND WAVE ACTION FLOW INTO THE STRUCTURE.
STRUCTURAL CURRENTS CAN SWEEP YOU OUT OUT AWAY FROM SHORE ALONG
THE PIER STRUCTURE.

&&

$$

ALLSOPP

PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE
NEW BEACH HAZARDS STATEMENT...

HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=CHMBHS

THEN AFTER DOING THE SURVEY VISIT US AT HTTP://WEATHER.GOV/CHICAGO

FOLLOW US ON FACEBOOK...TWITTER...AND YOUTUBE AT:
WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.CHICAGO.GOV
WWW.TWITTER.COM/NWSCHICAGO
WWW.YOUTUBE.COM/NWSCHICAGO
798 
WHUS43 KLOT 152027
CFWLOT

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
327 PM CDT SUN SEP 15 2013

ILZ006-014-INZ001-160430-
/O.CON.KLOT.BH.S.0017.130916T0900Z-130917T1500Z/
LAKE IL-COOK-LAKE IN-
327 PM CDT SUN SEP 15 2013

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM LATE TONIGHT
THROUGH TUESDAY MORNING...

* HIGH WAVE ACTION AND DANGEROUS SWIMMING CONDITIONS EXPECTED.

* STRONG RIP CURRENTS EXPECTED.

* STRONG STRUCTURAL CURRENTS EXPECTED.

* OVERVIEW...INCREASING NORTHEAST WINDS TONIGHT WILL BUILD WAVES
  TO 4 TO 7 FT WITH OCCASIONAL WAVES TO 10 FT ALONG THE ILLINOIS
  SHORE AND PARTS OF THE INDIANA SHORE LATE TONIGHT THROUGH MONDAY
  NIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DANGEROUS POUNDING WAVES AND LIFE-THREATENING RIP CURRENTS ARE
EXPECTED AT THE BEACHES LATE TONIGHT THROUGH MONDAY NIGHT. PEOPLE
VISITING THE BEACHES SHOULD STAY OUT OF THE WATER DURING THAT
TIME.

RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY
FROM SHORE...WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN
SANDBARS.  RIP CURRENTS CAN SWEEP YOU OUT AWAY FROM SHORE INTO
DEEPER WATER.

STRUCTURAL CURRENTS FORM ALONG PIERS AND BREAKWALLS WHERE
LONGSHORE CURRENTS AND WAVE ACTION FLOW INTO THE STRUCTURE.
STRUCTURAL CURRENTS CAN SWEEP YOU OUT OUT AWAY FROM SHORE ALONG
THE PIER STRUCTURE.

&&

$$

PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE
NEW BEACH HAZARDS STATEMENT...

HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=CHMBHS

THEN AFTER DOING THE SURVEY VISIT US AT HTTP://WEATHER.GOV/CHICAGO

FOLLOW US ON FACEBOOK...TWITTER...AND YOUTUBE AT:
WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.CHICAGO.GOV
WWW.TWITTER.COM/NWSCHICAGO
WWW.YOUTUBE.COM/NWSCHICAGO
602 
WHUS43 KLOT 160321
CFWLOT

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
1021 PM CDT SUN SEP 15 2013

ILZ006-014-INZ001-161130-
/O.CON.KLOT.BH.S.0017.130916T0900Z-130917T1500Z/
LAKE IL-COOK-LAKE IN-
1021 PM CDT SUN SEP 15 2013

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 4 AM CDT MONDAY
THROUGH TUESDAY MORNING...

* HIGH WAVE ACTION AND DANGEROUS SWIMMING CONDITIONS EXPECTED.

* STRONG RIP CURRENTS EXPECTED.

* STRONG STRUCTURAL CURRENTS EXPECTED.

* OVERVIEW...INCREASING NORTHEAST WINDS TONIGHT WILL BUILD WAVES 
  TO 4 TO 7 FT WITH OCCASIONAL WAVES TO 10 FT ALONG THE ILLINOIS 
  SHORE AND PARTS OF THE INDIANA SHORE LATE TONIGHT THROUGH 
  MONDAY NIGHT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DANGEROUS POUNDING WAVES AND LIFE-THREATENING RIP CURRENTS ARE
EXPECTED AT THE BEACHES LATE TONIGHT THROUGH MONDAY NIGHT. PEOPLE
VISITING THE BEACHES SHOULD STAY OUT OF THE WATER DURING THAT
TIME.

RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY
FROM SHORE...WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN
SANDBARS.  RIP CURRENTS CAN SWEEP YOU OUT AWAY FROM SHORE INTO
DEEPER WATER.

STRUCTURAL CURRENTS FORM ALONG PIERS AND BREAKWALLS WHERE
LONGSHORE CURRENTS AND WAVE ACTION FLOW INTO THE STRUCTURE.
STRUCTURAL CURRENTS CAN SWEEP YOU OUT OUT AWAY FROM SHORE ALONG
THE PIER STRUCTURE.

&&

$$

PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE
NEW BEACH HAZARDS STATEMENT...

HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=CHMBHS

THEN AFTER DOING THE SURVEY VISIT US AT HTTP://WEATHER.GOV/CHICAGO

FOLLOW US ON FACEBOOK...TWITTER...AND YOUTUBE AT:
WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.CHICAGO.GOV
WWW.TWITTER.COM/NWSCHICAGO
WWW.YOUTUBE.COM/NWSCHICAGO
096 
WHUS43 KLOT 160912
CFWLOT

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
412 AM CDT MON SEP 16 2013

INZ002-161715-
/O.EXB.KLOT.BH.S.0017.000000T0000Z-130917T0300Z/
PORTER-
412 AM CDT MON SEP 16 2013

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

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A BEACH
HAZARDS STATEMENT FOR DANGEROUS SWIMMING CONDITIONS...WHICH IS IN
EFFECT THROUGH THIS EVENING. 

* HIGH WAVE ACTION AND DANGEROUS SWIMMING CONDITIONS EXPECTED.

* STRONG RIP CURRENTS EXPECTED.

* STRONG STRUCTURAL CURRENTS EXPECTED.

* OVERVIEW...INCREASING NORTHEAST WINDS TONIGHT WILL BUILD WAVES
  TO 5 TO 8 FT WITH OCCASIONAL WAVES TO 12 FT ALONG THE ILLINOIS
  SHORE AND PARTS OF THE INDIANA SHORE LATE TONIGHT THROUGH MONDAY
  NIGHT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DANGEROUS POUNDING WAVES AND LIFE-THREATENING RIP CURRENTS ARE
EXPECTED AT THE BEACHES LATE TONIGHT THROUGH MONDAY NIGHT. PEOPLE
VISITING THE BEACHES SHOULD STAY OUT OF THE WATER DURING THAT
TIME.

RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY
FROM SHORE...WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN
SANDBARS.  RIP CURRENTS CAN SWEEP YOU OUT AWAY FROM SHORE INTO
DEEPER WATER.

STRUCTURAL CURRENTS FORM ALONG PIERS AND BREAKWALLS WHERE
LONGSHORE CURRENTS AND WAVE ACTION FLOW INTO THE STRUCTURE.
STRUCTURAL CURRENTS CAN SWEEP YOU OUT OUT AWAY FROM SHORE ALONG
THE PIER STRUCTURE.

&&

$$

ILZ006-014-INZ001-161715-
/O.EXT.KLOT.BH.S.0017.000000T0000Z-130917T2100Z/
LAKE IL-COOK-LAKE IN-
412 AM CDT MON SEP 16 2013

...BEACH HAZARDS STATEMENT NOW IN EFFECT THROUGH TUESDAY
AFTERNOON...

* HIGH WAVE ACTION AND DANGEROUS SWIMMING CONDITIONS EXPECTED.

* STRONG RIP CURRENTS EXPECTED.

* STRONG STRUCTURAL CURRENTS EXPECTED.

* OVERVIEW...INCREASING NORTHEAST WINDS TONIGHT WILL BUILD WAVES
  TO 6 TO 9 FT WITH OCCASIONAL WAVES TO 13 FT ALONG THE ILLINOIS
  SHORE AND PARTS OF THE INDIANA SHORE. WAVES MAY BE SLIGHTLY
  HIGHER AT UNPROTECTED BEACHES. WAVES MAY BE SLIGHTLY HIGHER AT
  UNPROTECTED BEACHES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DANGEROUS POUNDING WAVES AND LIFE-THREATENING RIP CURRENTS ARE
EXPECTED AT THE BEACHES LATE TONIGHT THROUGH MONDAY NIGHT. PEOPLE
VISITING THE BEACHES SHOULD STAY OUT OF THE WATER DURING THAT
TIME.

RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY
FROM SHORE...WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN
SANDBARS.  RIP CURRENTS CAN SWEEP YOU OUT AWAY FROM SHORE INTO
DEEPER WATER.

STRUCTURAL CURRENTS FORM ALONG PIERS AND BREAKWALLS WHERE
LONGSHORE CURRENTS AND WAVE ACTION FLOW INTO THE STRUCTURE.
STRUCTURAL CURRENTS CAN SWEEP YOU OUT OUT AWAY FROM SHORE ALONG
THE PIER STRUCTURE.

&&

$$

KREIN

PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE
NEW BEACH HAZARDS STATEMENT...

HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=CHMBHS

THEN AFTER DOING THE SURVEY VISIT US AT HTTP://WEATHER.GOV/CHICAGO

FOLLOW US ON FACEBOOK...TWITTER...AND YOUTUBE AT:
WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.CHICAGO.GOV
WWW.TWITTER.COM/NWSCHICAGO
WWW.YOUTUBE.COM/NWSCHICAGO
960 
WHUS43 KLOT 161512
CFWLOT

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
1012 AM CDT MON SEP 16 2013

ILZ006-014-INZ001-162315-
/O.CON.KLOT.BH.S.0017.000000T0000Z-130917T2100Z/
LAKE IL-COOK-LAKE IN-
1012 AM CDT MON SEP 16 2013

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

* HIGH WAVE ACTION AND DANGEROUS SWIMMING CONDITIONS EXPECTED.

* STRONG RIP CURRENTS EXPECTED.

* STRONG STRUCTURAL CURRENTS EXPECTED.

* OVERVIEW...NORTHEAST WINDS WILL CONTINUE TO PRODUCE WAVES IN THE
  5 TO 8 TO 6 TO 9 FT RANGE TODAY WITH WAVES SUBSIDING SOMEWHAT
  TONIGHT WHILE STILL PRODUCING HAZARDOUS SWIMMING CONDITIONS. WAVES
  MAY BE SLIGHTLY HIGHER AT UNPROTECTED BEACHES. WAVES MAY BE
  SLIGHTLY HIGHER AT UNPROTECTED BEACHES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DANGEROUS POUNDING WAVES AND LIFE-THREATENING RIP CURRENTS ARE
EXPECTED AT THE BEACHES LATE TONIGHT THROUGH MONDAY NIGHT. PEOPLE
VISITING THE BEACHES SHOULD STAY OUT OF THE WATER DURING THAT
TIME.

RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY
FROM SHORE...WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN
SANDBARS.  RIP CURRENTS CAN SWEEP YOU OUT AWAY FROM SHORE INTO
DEEPER WATER.

STRUCTURAL CURRENTS FORM ALONG PIERS AND BREAKWALLS WHERE
LONGSHORE CURRENTS AND WAVE ACTION FLOW INTO THE STRUCTURE.
STRUCTURAL CURRENTS CAN SWEEP YOU OUT OUT AWAY FROM SHORE ALONG
THE PIER STRUCTURE.

&&

$$

INZ002-162315-
/O.CON.KLOT.BH.S.0017.000000T0000Z-130917T0300Z/
PORTER-
1012 AM CDT MON SEP 16 2013

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 10 PM CDT THIS
EVENING...

* HIGH WAVE ACTION AND DANGEROUS SWIMMING CONDITIONS EXPECTED.

* STRONG RIP CURRENTS EXPECTED.

* STRONG STRUCTURAL CURRENTS EXPECTED.

* OVERVIEW...NORTHEAST WINDS WILL CONTINUE TO PRODUCE 5 TO 8 FT
  WAVES TODAY WITH WAVES SUBSIDING TO 2 TO 4 FT TONIGHT. WAVES MAY
  BE SLIGHTLY HIGHER AT UNPROTECTED BEACHES. WAVES MAY BE SLIGHTLY
  HIGHER AT UNPROTECTED BEACHES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DANGEROUS POUNDING WAVES AND LIFE-THREATENING RIP CURRENTS ARE
EXPECTED AT THE BEACHES LATE TONIGHT THROUGH MONDAY NIGHT. PEOPLE
VISITING THE BEACHES SHOULD STAY OUT OF THE WATER DURING THAT
TIME.

RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY
FROM SHORE...WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN
SANDBARS.  RIP CURRENTS CAN SWEEP YOU OUT AWAY FROM SHORE INTO
DEEPER WATER.

STRUCTURAL CURRENTS FORM ALONG PIERS AND BREAKWALLS WHERE
LONGSHORE CURRENTS AND WAVE ACTION FLOW INTO THE STRUCTURE.
STRUCTURAL CURRENTS CAN SWEEP YOU OUT OUT AWAY FROM SHORE ALONG
THE PIER STRUCTURE.

&&

$$

MB/DZ

PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE
NEW BEACH HAZARDS STATEMENT...

HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=CHMBHS

THEN AFTER DOING THE SURVEY VISIT US AT HTTP://WEATHER.GOV/CHICAGO

FOLLOW US ON FACEBOOK...TWITTER...AND YOUTUBE AT:
WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.CHICAGO.GOV
WWW.TWITTER.COM/NWSCHICAGO
WWW.YOUTUBE.COM/NWSCHICAGO
945 
WHUS43 KLOT 162127
CFWLOT

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
427 PM CDT MON SEP 16 2013

ILZ006-014-INZ001-170530-
/O.CON.KLOT.BH.S.0017.000000T0000Z-130917T2100Z/
LAKE IL-COOK-LAKE IN-
427 PM CDT MON SEP 16 2013

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

* HIGH WAVE ACTION AND DANGEROUS SWIMMING CONDITIONS EXPECTED.

* STRONG RIP CURRENTS EXPECTED.

* STRONG STRUCTURAL CURRENTS EXPECTED.

* OVERVIEW...NORTHEAST WINDS WILL BECOME SOUTHEAST BY TUESDAY
  MORNING. WAVES 3 TO 6 FT WILL GRADUALLY SUBSIDE TO 3 TO 5 FT BY
  TUESDAY MORNING AND CONTINUE THROUGH TUESDAY AFTERNOON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DANGEROUS POUNDING WAVES AND LIFE-THREATENING RIP CURRENTS ARE
EXPECTED AT THE BEACHES LATE TONIGHT THROUGH MONDAY NIGHT. PEOPLE
VISITING THE BEACHES SHOULD STAY OUT OF THE WATER DURING THAT
TIME.

RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY
FROM SHORE...WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN
SANDBARS.  RIP CURRENTS CAN SWEEP YOU OUT AWAY FROM SHORE INTO
DEEPER WATER.

STRUCTURAL CURRENTS FORM ALONG PIERS AND BREAKWALLS WHERE
LONGSHORE CURRENTS AND WAVE ACTION FLOW INTO THE STRUCTURE.
STRUCTURAL CURRENTS CAN SWEEP YOU OUT OUT AWAY FROM SHORE ALONG
THE PIER STRUCTURE.

&&

$$

INZ002-170300-
/O.CON.KLOT.BH.S.0017.000000T0000Z-130917T0300Z/
PORTER-
427 PM CDT MON SEP 16 2013

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 10 PM CDT THIS
EVENING...

* HIGH WAVE ACTION AND DANGEROUS SWIMMING CONDITIONS EXPECTED.

* STRONG RIP CURRENTS EXPECTED.

* STRONG STRUCTURAL CURRENTS EXPECTED.

* OVERVIEW...NORTHEAST WINDS WILL BECOME SOUTHEAST BY TUESDAY
  MORNING. WAVES 3 TO 6 FT WILL SUBSIDE TO 2 TO 4 FT TONIGHT AND
  TO 1 TO 3 FT TUESDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DANGEROUS POUNDING WAVES AND LIFE-THREATENING RIP CURRENTS ARE
EXPECTED AT THE BEACHES LATE TONIGHT THROUGH MONDAY NIGHT. PEOPLE
VISITING THE BEACHES SHOULD STAY OUT OF THE WATER DURING THAT
TIME.

RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY
FROM SHORE...WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN
SANDBARS.  RIP CURRENTS CAN SWEEP YOU OUT AWAY FROM SHORE INTO
DEEPER WATER.

STRUCTURAL CURRENTS FORM ALONG PIERS AND BREAKWALLS WHERE
LONGSHORE CURRENTS AND WAVE ACTION FLOW INTO THE STRUCTURE.
STRUCTURAL CURRENTS CAN SWEEP YOU OUT OUT AWAY FROM SHORE ALONG
THE PIER STRUCTURE.

&&

$$

PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE
NEW BEACH HAZARDS STATEMENT...

HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=CHMBHS

THEN AFTER DOING THE SURVEY VISIT US AT HTTP://WEATHER.GOV/CHICAGO

FOLLOW US ON FACEBOOK...TWITTER...AND YOUTUBE AT:
WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.CHICAGO.GOV
WWW.TWITTER.COM/NWSCHICAGO
WWW.YOUTUBE.COM/NWSCHICAGO
447 
WHUS43 KLOT 170240
CFWLOT

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
940 PM CDT MON SEP 16 2013

INZ002-170900-
/O.EXT.KLOT.BH.S.0017.000000T0000Z-130917T0900Z/
PORTER-
940 PM CDT MON SEP 16 2013

...BEACH HAZARDS STATEMENT NOW IN EFFECT UNTIL 4 AM CDT TUESDAY...

* HIGH WAVE ACTION AND DANGEROUS SWIMMING CONDITIONS EXPECTED.

* STRONG RIP CURRENTS EXPECTED.

* STRONG STRUCTURAL CURRENTS EXPECTED.

* OVERVIEW...NORTHEAST WINDS WILL BECOME SOUTHEAST BY MORNING.
  WAVES 4 TO 6 FT WILL SUBSIDE TO 2 TO 4 FT BY MORNING AND TO 1
  TO 3 FT TUESDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DANGEROUS POUNDING WAVES AND LIFE-THREATENING RIP CURRENTS ARE
EXPECTED AT THE BEACHES LATE TONIGHT THROUGH MONDAY NIGHT. PEOPLE
VISITING THE BEACHES SHOULD STAY OUT OF THE WATER DURING THAT
TIME.

RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY
FROM SHORE...WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN
SANDBARS.  RIP CURRENTS CAN SWEEP YOU OUT AWAY FROM SHORE INTO
DEEPER WATER.

STRUCTURAL CURRENTS FORM ALONG PIERS AND BREAKWALLS WHERE
LONGSHORE CURRENTS AND WAVE ACTION FLOW INTO THE STRUCTURE.
STRUCTURAL CURRENTS CAN SWEEP YOU OUT OUT AWAY FROM SHORE ALONG
THE PIER STRUCTURE.

&&

$$

ILZ006-014-INZ001-171045-
/O.CON.KLOT.BH.S.0017.000000T0000Z-130917T2100Z/
LAKE IL-COOK-LAKE IN-
940 PM CDT MON SEP 16 2013

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

* HIGH WAVE ACTION AND DANGEROUS SWIMMING CONDITIONS EXPECTED.

* STRONG RIP CURRENTS EXPECTED.

* STRONG STRUCTURAL CURRENTS EXPECTED.

* OVERVIEW...EAST WINDS WILL BECOME SOUTHEAST BY MORNING. WAVES 4
  TO 6 FT WILL GRADUALLY SUBSIDE TO 3 TO 5 FT BY MORNING AND
  CONTINUE THROUGH TUESDAY AFTERNOON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DANGEROUS POUNDING WAVES AND LIFE-THREATENING RIP CURRENTS ARE
EXPECTED AT THE BEACHES LATE TONIGHT THROUGH MONDAY NIGHT. PEOPLE
VISITING THE BEACHES SHOULD STAY OUT OF THE WATER DURING THAT
TIME.

RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY
FROM SHORE...WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN
SANDBARS.  RIP CURRENTS CAN SWEEP YOU OUT AWAY FROM SHORE INTO
DEEPER WATER.

STRUCTURAL CURRENTS FORM ALONG PIERS AND BREAKWALLS WHERE
LONGSHORE CURRENTS AND WAVE ACTION FLOW INTO THE STRUCTURE.
STRUCTURAL CURRENTS CAN SWEEP YOU OUT OUT AWAY FROM SHORE ALONG
THE PIER STRUCTURE.

&&

$$

PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE
NEW BEACH HAZARDS STATEMENT...

HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=CHMBHS

THEN AFTER DOING THE SURVEY VISIT US AT HTTP://WEATHER.GOV/CHICAGO

FOLLOW US ON FACEBOOK...TWITTER...AND YOUTUBE AT:
WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.CHICAGO.GOV
WWW.TWITTER.COM/NWSCHICAGO
WWW.YOUTUBE.COM/NWSCHICAGO
740 
WHUS43 KLOT 170806
CFWLOT

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
306 AM CDT TUE SEP 17 2013

ILZ014-INZ001-170915-
/O.CAN.KLOT.BH.S.0017.000000T0000Z-130917T2100Z/
COOK-LAKE IN-
306 AM CDT TUE SEP 17 2013

...BEACH HAZARDS STATEMENT IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS CANCELLED THE BEACH
HAZARDS STATEMENT. 


$$

INZ002-170915-
/O.CAN.KLOT.BH.S.0017.000000T0000Z-130917T0900Z/
PORTER-
306 AM CDT TUE SEP 17 2013

...BEACH HAZARDS STATEMENT IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS CANCELLED THE BEACH
HAZARDS STATEMENT. 


$$

ILZ006-171615-
/O.CON.KLOT.BH.S.0017.000000T0000Z-130917T2100Z/
LAKE IL-
306 AM CDT TUE SEP 17 2013

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

* HIGH WAVE ACTION AND DANGEROUS SWIMMING CONDITIONS EXPECTED.

* STRONG RIP CURRENTS EXPECTED.

* STRONG STRUCTURAL CURRENTS EXPECTED.

* OVERVIEW...SOUTHEAST WINDS WILL BECOME EAST THIS AFTERNOON.
  WAVES 4 TO 6 FT WILL GRADUALLY SUBSIDE TO 3 TO 5 FT BY THIS
  AFTERNOON. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DANGEROUS POUNDING WAVES AND LIFE-THREATENING RIP CURRENTS ARE
EXPECTED AT THE BEACHES LATE TONIGHT THROUGH MONDAY NIGHT. PEOPLE
VISITING THE BEACHES SHOULD STAY OUT OF THE WATER DURING THAT
TIME.

RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY
FROM SHORE...WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN
SANDBARS.  RIP CURRENTS CAN SWEEP YOU OUT AWAY FROM SHORE INTO
DEEPER WATER.

STRUCTURAL CURRENTS FORM ALONG PIERS AND BREAKWALLS WHERE
LONGSHORE CURRENTS AND WAVE ACTION FLOW INTO THE STRUCTURE.
STRUCTURAL CURRENTS CAN SWEEP YOU OUT OUT AWAY FROM SHORE ALONG
THE PIER STRUCTURE.

&&

$$

KREIN

PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE
NEW BEACH HAZARDS STATEMENT...

HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=CHMBHS

THEN AFTER DOING THE SURVEY VISIT US AT HTTP://WEATHER.GOV/CHICAGO

FOLLOW US ON FACEBOOK...TWITTER...AND YOUTUBE AT:
WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.CHICAGO.GOV
WWW.TWITTER.COM/NWSCHICAGO
WWW.YOUTUBE.COM/NWSCHICAGO
612 
WHUS43 KLOT 171434
CFWLOT

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
934 AM CDT TUE SEP 17 2013

ILZ006-171545-
/O.CAN.KLOT.BH.S.0017.000000T0000Z-130917T2100Z/
LAKE IL-
934 AM CDT TUE SEP 17 2013

...BEACH HAZARDS STATEMENT IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS CANCELLED THE BEACH
HAZARDS STATEMENT FOR THE LAKE COUNTY ILLINOIS BEACHES.

WINDS AND RESULTING WAVES THAT BEEN OCCURRING THIS MORNING ARE
NOT SUPPORTIVE OF SIGNIFICANT HAZARDOUS BEACH CONDITIONS. 

CONDITIONS ARE EXPECTED TO REMAIN THE SAME THROUGH THE REST OF
THE DAY.

$$

PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE
NEW BEACH HAZARDS STATEMENT...

HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=CHMBHS

THEN AFTER DOING THE SURVEY VISIT US AT HTTP://WEATHER.GOV/CHICAGO

FOLLOW US ON FACEBOOK...TWITTER...AND YOUTUBE AT:
WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.CHICAGO.GOV
WWW.TWITTER.COM/NWSCHICAGO
WWW.YOUTUBE.COM/NWSCHICAGO

DISCLAIMER: NWS FACEBOOK...TWITTER AND YOUTUBE SITES ARE NOT
CONSIDERED OFFICIAL MEANS OF DISSEMINATING WEATHER INFORMATION
AND SHOULD NOT BE COUNTED ON AS SUCH.

OFFICIAL NWS.NOAA.GOV WEB SITES ARE MOST RELIABLE IN PROVIDING
TIMELY DELIVERY OF DATA AND PRODUCTS BUT EVEN THESE SOURCES
CANNOT BE GUARANTEED DUE TO THE NATURE OF THE INTERNET.

What forecasters said that day

The local office's own words before this beach hazards statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Chicago, IL wrote its last area forecast discussion before this beach hazards statement went out at Sep 15, 2:23 AM CDT, 1 hour 8 minutes earlier.

Area forecast discussion, Sep 15, 2:23 AM CDT, 1 hour 8 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
223 AM CDT SUN SEP 15 2013

.DISCUSSION...
300 PM CDT

THE MAIN FORECAST CONCERNS CONTINUE TO FOCUS ON THE PRECIPITATION
EVENT ON SUNDAY.

THE SATURDAY MORNING RAOB ANALYSIS INDICATED A VERY IMPRESSIVE
NORTHWARD SURGE OF MOISTURE FRIDAY NIGHT...WITH KABR INCREASING
THEIR PWATS FROM 0.52 INCHES FRIDAY EVENING TO A HEALTHY 1.78 INCHES
AT 12 UTC THIS MORNING. THIS IS A SIGN OF THINGS TO COME FOR US ON
SUNDAY.

AFTER A VERY CHILLY MORNING...TEMPERATURES HAVE WARMED NICELY TO
NEAR 70 DEGREES. THE SURFACE RIDGE OF HIGH PRESS IS GRADUALLY
SHIFTING EASTWARD ACROSS THE LOWER GREAT LAKES AND OHIO
VALLEY...ALLOWING THE WINDS LOCALLY TO BECOME LIGHT OUT OF THE SOUTH
THIS AFTERNOON. ALTHOUGH THE WEATHER IS CURRENTLY QUIET...ATTENTION
IS QUICKLY SHIFTING TO THE POTENT SHORT WAVE...CURRENTLY NOTED IN
THE WATER VAPOR IMAGERY DIGGING SOUTHEASTWARD ACROSS SOUTHERN
SASKATCHEWAN. MODEL GUIDANCE CONTINUES TO BE IN AGREEMENT THAT THIS
DIGGING TROUGH WILL INGEST/MERGE WITH THE UPPER DISTURBANCES ACROSS
THE NORTHERN HIGH PLAINS BY TONIGHT. ONCE THIS OCCURS...THE
SOUTHEASTWARD DIGGING TROUGH WILL FORCE THE LOW LEVEL JET TO VEER
MORE WEST-SOUTHWESTWARD TONIGHT INTO SUNDAY. THE ASSOCIATED MOISTURE
TRANSPORT...WILL LEAD TO A RAPID INFLUX OF MOISTURE ACROSS THE AREA
INTO SUNDAY MORNING...SIMILAR TO WHAT THE DAKOTAS EXPERIENCED THIS
MORNING.

ISENTROPIC ASCENT WILL INCREASE LATER TONIGHT ACROSS FAR NORTHERN
ILLINOIS AND SOUTHERN WISCONSIN...AND THIS COULD BE ENOUGH TO RESULT
IN SOME WIDELY SCATTERED SHOWERS DEVELOPING PRIOR TO DAYBREAK.
INITIALLY THE LOWER LEVELS WILL REMAIN DRY...SO ANY SHOWERS THAT DO
DEVELOP WILL LIKELY ONLY RESULT IN SOME LIGHT SHOWERS AT THE
SURFACE. OTHERWISE...SHOWERS SHOULD REALLY BEGIN TO INCREASE IN
AERIAL COVERAGE ACROSS NORTHERN ILLINOIS DURING THE MID TO LATE
MORNING ON SUNDAY AS THE BETTER MOISTURE AND DYNAMICS...ASSOCIATED
WITH THE APPROACHING MID/UPPER LEVEL WAVE BEGIN TO OVERSPREAD THE
AREA. GUIDANCE CONTINUES TO INDICATES PWATS IN THE NEIGHBORHOOD OF
1.5 INCHES DURING MUCH OF THE DAY SUNDAY. MODEL BUFFER SOUNDINGS
ALSO INDICATE A DEEP NEARLY SATURATED COLUMN...WHICH SHOULD SUPPORT
SOME DECENT RAINFALL AMOUNTS. RAINFALL RATES WITHIN SOME OF THE
HEAVIEST SHOWERS COULD RANGE BETWEEN 0.2 TO 0.4 INCH PER HOUR.
OBSERVATIONS ACROSS MN...SD...AND ND HAVE REPORTED SIMILAR RATES
TODAY WITH THIS RAINFALL. SO...THIS SHOULD BE A GOOD...WELL NEEDED
RAINFALL EVENT FOR MOST OF THE AREA...WITH SOME AREAS LIKELY TO GET
AN INCH OR MORE OUT OF THIS...ESPECIALLY ACROSS THE NORTHERN HALF OF
MY CWA. IT STILL APPEARS THE THREAT FOR THUNDER WILL BE
LOW...ESPECIALLY ACROSS THE EASTERN CWA...SO I DECIDED TO GO  WITH
JUST SHOWERS FOR MORE AREAS EAST OF THE I39 CORRIDOR.
HOWEVER...FARTHER WEST SLIGHTLY BETTER LAPSE RATES NEAR THE NOSE OF
THE BEST MOISTURE TRANSPORT MAY ALLOW FOR A FEW EMBEDDED
THUNDERSTORMS.

TEMPERATURES WILL ALSO LIKELY REMAIN IN THE LOWER TO MIDDLE 60S FOR
MUCH OF THE DAY ON SUNDAY ACROSS FAR NORTHERN ILLINOIS WITH A LOT OF
RAIN SHOWERS AND CLOUD COVER AROUND.

THESE SHOWERS LOOK TO CONTINUE A BIT INTO THE EVENING...ESPECIALLY
ACROSS MY SOUTHERN AREAS. HOWEVER...SOME LAKE INDUCED CLOUDS AND A
FEW ISOLATED SHOWERS MAY CONTINUE NEAR THE LAKE SUNDAY NIGHT AS THE
FLOW BEHIND THE COLD FRONT BECOMES NORTHEASTERLY. INVERSION HEIGHTS
FOR LAKE PARCELS DO NOT APPEAR TO BE TOO IMPRESSIVE...BUT I DID
CONTINUE THE SLIGHT CHANCE POPS FOR A FEW SHOWERS SUNDAY NIGHT FOR
AREAS NEAR THE LAKE.

THINGS LOOK TO DRY OUT MONDAY WITH ANOTHER COOL CANADIAN HIGH
SHIFTING EASTWARD ACROSS THE GREAT LAKES REGION. NORTHEASTERLY
ONSHORE FLOW WILL CONTINUE MONDAY...AND THIS SHOULD YIELD A DECENT
DAY ACROSS THE REGION... WITH HIGHS IN THE MID 60S LAKESIDE...TO THE
LOWER TO MID 70S FAR SOUTH.

THE PROGRESSIVE NATURE OF THE UPPER AIR PATTERN ACROSS THE CONUS
LOOKS TO ALLOW ANOTHER STORM SYSTEM TO TAKE SHAPE ACROSS THE
NORTHERN PLAINS BY TUESDAY/TUESDAY NIGHT. THIS SHOULD SET UP
SOUTHERLY FLOW ACROSS THE LOWER GREAT LAKES ALLOWING A WARMER AND
MORE MOIST AIRMASS TO RETURN AGAIN FOR MID WEEK. IT ALSO APPEARS
THERE WILL BE DECENT CHANCES FOR A FEW PERIODS OF SHOWERS AND STORMS
ACROSS THE AREA AROUND MIDWEEK AS A QUASI ZONAL FLOW PATTERN ACROSS
THE AREA PROMISES TO REMAIN DISTURBED. CURRENTLY...IT APPEARS THE
BETTER CHANCES FOR SHOWERS AND STORMS WILL BEGIN TO ENTER THE
PICTURE TUESDAY NIGHT. TOWARDS THE END OF THE FORECAST PERIOD (LATE
NEXT WEEK)...UNCERTAINTIES INCREASE SOME WITH RESPECT TO THE
EVOLUTION OF AN UPPER LOW...WHICH IS FORECAST TO TREK EASTWARD
ACROSS THE NORTHERN STATES LATE IN THE PERIOD. AT THIS TIME...IT
DOES APPEAR THAT THIS SYSTEM WILL PUSH A COLD FRONT ACROSS THE AREA
SOMETIME LATE IN THE WEEK.

KJB

&&

.AVIATION...

//ORD AND MDW CONCERNS...UPDATED 06Z...

* RAIN MOVING IN THIS MORNING WITH SOME SHOWERS POSSIBLY LINGERING
  INTO SUNDAY NIGHT.
* CIGS/VSBY LIKELY TO DETERIORATE TO MVFR THIS AFTERNOON WITH
  PERIODIC IFR VSBY POSSIBLE IN HEAVIER RAIN.
* WINDS SHIFTING EASTERLY THIS AFTERNOON AND NORTHEASTERLY SUNDAY
  NIGHT.

//DISCUSSION...UPDATED 06Z...

A COOL FRONT CONTINUES TO SETTLE SOUTH ACROSS THE UPPER MIDWEST
WITH LOW PRESSURE ALONG THIS FEATURE OVER SOUTHWEST MN. RAIN
SHOWERS WILL CONTINUE TO DEVELOP SOUTHWARD AHEAD OF THIS LOW
ACROSS IA AND PORTIONS OF NW IL EARLY THIS MORNING AS ATMOSPHERIC
MOISTURE AND GENERAL ASCENT INCREASES. THIS AREA OF SHRA/RA WILL
MOVE EASTWARD OVER THE TERMINALS THIS MORNING. INITIALLY CIGS AND
VISBYS SHOULD FOR THE MOST PART REMAIN VFR...BUT THIS AFTERNOON A
DOWNWARD TREND IS EXPECTED AS THE BOUNDARY LAYER SATURATES IN MORE
OF A PREVAILING RAIN AND WINDS BEGIN TO BACK TO MORE EASTERLY
WITH THE LOW PRESSURE APPROACHING. HOW QUICKLY THESE WINDS WILL
BACK TO EASTERLY THIS AFTERNOON AND THEN NORTHEASTERLY INTO THIS
EVENING IS CHALLENGING TO SAY YET. THERE SHOULD BE AT LEAST NUMEROUS
HOURS WITH MVFR CIGS DURING THE LATTER PART OF THE RAIN AND AS THE
RAIN BEGINS TO TAPER IN THE IMMEDIATE POST-FROPA AIRMASS. SOME OF
THESE CIGS WILL LAST INTO MONDAY MORNING. THERE IS ENOUGH SUPPORT
AND FETCH FOR SOME LAKE-EFFECT SHOWERS/SPRINKLES INTO NORTHEAST
IL/NORTHWEST IN TONIGHT...BUT ONLY HAVE VCSH MENTION AT THIS TIME.

//ORD AND MDW CONFIDENCE...UPDATED 06Z...

* MEDIUM CONFIDENCE IN RAIN TIMING AND DURATION.
* HIGH CONFIDENCE IN CIG TRENDS TODAY WITH LOW/MEDIUM CONFIDENCE
  ON TIMING.
* LOW CONFIDENCE IN PRECISE TIMING OF BACKING TO EAST THEN
  NORTHEAST AND WHETHER SPEEDS WILL BE AT OR ABOVE 10 KT
  CONSISTENTLY AFTER WIND SHIFT.

//OUTLOOK FOR ORD/MDW FOR 12Z MONDAY-12Z SATURDAY...UPDATED 00Z...

MONDAY AND TUESDAY...GENERALLY VFR.
WEDNESDAY AND THURSDAY...SOME POTENTIAL FOR SHRA AND POSSIBLE
                         TSRA. PREDOMINANTLY VFR THOUGH MVFR OR
                         BRIEF IFR POSSIBLE WITH ANY PRECIP.
FRIDAY...PROBABLY VFR.

MTF/IZZI

&&

.MARINE...
221 AM CDT

SOUTHERLY WINDS OVER THE LAKE TO START THE DAY WILL TURN
NORTHERLY/NORTHEASTERLY BY DAYS END AS A COLD FRONT WITH WIDESPREAD
RAIN MOVES DOWN THE LAKE THIS AFTERNOON. EVEN IN ADVANCE OF THE
FRONT WINDS ARE LIKELY TO BEGIN TO BACK TO EASTERLY ACROSS THE
SOUTHERN PART OF THE LAKE BY EARLY TO MID AFTERNOON. NORTHERLY WIND
SPEEDS ARE ANTICIPATED TO INCREASE TO 20 TO 25 KT OVER THE OPEN
WATER IN THE HOURS BEHIND THE FRONT. WITH A NNE FETCH OF THE LAKE
REALIZED...WAVES WILL BUILD INTO THE NEARSHORE AREAS OF INDIANA AND
ESPECIALLY ILLINOIS. HAVE ISSUED A SMALL CRAFT ADVISORY AND BEACH
HAZARDS STATEMENT FOR THAT REASON...WITH WAVES SLOW TO SUBSIDE ALL
THE WAY INTO EARLY TUESDAY MORNING. HIGH PRESSURE WILL BRIEFLY
PREVAIL OVER THE LAKE LATE MONDAY NIGHT INTO EARLY TUESDAY BEFORE A
PROLONGED PERIOD OF SOUTHERLY FLOW THAT MAY LAST ALL THE WAY INTO
NEXT WEEKEND.

MTF

&&

.LOT WATCHES/WARNINGS/ADVISORIES...
IL...NONE.
IN...NONE.
LM...NONE.
&&

VISIT US AT HTTP://WEATHER.GOV/CHICAGO (ALL LOWERCASE)

FOLLOW US ON FACEBOOK...TWITTER...AND YOUTUBE AT:
WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.CHICAGO.GOV
WWW.TWITTER.COM/NWSCHICAGO
WWW.YOUTUBE.COM/NWSCHICAGO
Hazardous weather outlook, Sep 14, 3:36 PM CDT, 11 hours 55 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
336 PM CDT SAT SEP 14 2013

ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
152045-
WINNEBAGO-BOONE-MCHENRY-LAKE ILLINOIS-OGLE-LEE-DE KALB-KANE-
DUPAGE-COOK-LA SALLE-KENDALL-GRUNDY-WILL-KANKAKEE-LIVINGSTON-
IROQUOIS-FORD-LAKE INDIANA-PORTER-NEWTON-JASPER-BENTON-
336 PM CDT SAT SEP 14 2013 /436 PM EDT SAT SEP 14 2013/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL ILLINOIS...
NORTHEAST ILLINOIS AND NORTHWEST INDIANA.

.DAY ONE...TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

THERE IS A SLIGHT CHANCE OF THUNDERSTORMS SUNDAY...MAINLY ALONG
AND WEST OF INTERSTATE 39.

THERE WILL BE PERIODIC CHANCES FOR THUNDERSTORMS TUESDAY NIGHT
THROUGH FRIDAY.

LARGE WAVES AND STRONG CURRENTS MAY RESULT IN DANGEROUS SWIMMING
CONDITIONS ON LAKE MICHIGAN BEACHES ON MONDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NECESSARY THROUGH TONIGHT.

&&

LMZ740>745-152045-
WINTHROP HARBOR TO WILMETTE HARBOR-
WILMETTE HARBOR TO NORTHERLY ISLAND-
NORTHERLY ISLAND TO CALUMET HARBOR-CALUMET HARBOR TO GARY-
GARY TO BURNS HARBOR-BURNS HARBOR TO MICHIGAN CITY-
336 PM CDT SAT SEP 14 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE ILLINOIS NEARSHORE
WATERS OF LAKE MICHIGAN AND THE INDIANA NEARSHORE WATERS OF LAKE
MICHIGAN.

.DAY ONE...TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

WAVES AND WINDS HAZARDOUS TO SMALL CRAFT ARE POSSIBLE ON MONDAY
AND MONDAY NIGHT...MAINLY IN THE ILLINOIS NEAR SHORE WATERS.

THERE IS A CHANCE OF THUNDERSTORMS TUESDAY NIGHT THROUGH
FRIDAY.

&&

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-152045-
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM SEUL CHOIX POINT TO ROCK ISLAND PASSAGE 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN SOUTH OF A LINE FROM SEUL CHOIX POINT TO THE
MACKINAC BRIDGE AND NORTH OF A LINE FROM CHARLEVOIX MI TO SOUTH
FOX ISLAND 5 NM OFFSHORE-
LAKE MICHIGAN FROM CHARLEVOIX TO POINT BETSIE MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM POINT BETSIE TO MANISTEE MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM ROCK ISLAND PASSAGE TO STURGEON BAY WI-
LAKE MICHIGAN FROM STURGEON BAY TO TWO RIVERS WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM TWO RIVERS TO SHEBOYGAN WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM SHEBOYGAN TO PORT WASHINGTON WI 5 NM OFFSHORE
TO MID LAKE-
LAKE MICHIGAN FROM PORT WASHINGTON TO NORTH POINT LIGHT WI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM NORTH POINT LIGHT TO WIND POINT WI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WIND POINT WI TO WINTHROP HARBOR IL 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WINTHROP HARBOR TO WILMETTE HARBOR IL 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WILMETTE HARBOR IL TO MICHIGAN CITY IN 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM PENTWATER TO MANISTEE MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM WHITEHALL TO PENTWATER MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM GRAND HAVEN TO WHITEHALL MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM HOLLAND TO GRAND HAVEN MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM SOUTH HAVEN TO HOLLAND MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM ST. JOSEPH TO SOUTH HAVEN MI 5 NM OFFSHORE TO
MID LAKE-
336 PM CDT SAT SEP 14 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE OPEN WATERS OF LAKE
MICHIGAN.

.DAY ONE...TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

THERE ARE CHANCES FOR THUNDERSTORMS ACROSS THE ENTIRE LAKE FROM
TUESDAY NIGHT THROUGH FRIDAY.

&&

KJB

VISIT US AT HTTP://WEATHER.GOV/CHICAGO (ALL LOWERCASE)

FOLLOW US ON FACEBOOK...TWITTER...AND YOUTUBE AT:
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WWW.TWITTER.COM/NWSCHICAGO
WWW.YOUTUBE.COM/NWSCHICAGO

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 15, 3:13 AM CDTSmall Craft AdvisoryLOT54 hr

Nearby

Beach Hazards Statements in Indiana, 2013Beach Hazards Statements in Illinois, 2013Every beach hazards statement in 2013

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.