Alert archive / Indiana / Rip Current Statements in 2012

Rip Current Statement 21, NWS Chicago, IL

September 29, 2012Lake County, Illinois; Lake County, Porter County, Indiana

NWS Chicago, IL issued this rip current statement at Sep 29, 2012, 3:38 PM CDT for Lake County, Illinois; Lake County, Porter County, Indiana. It took effect at Sep 30, 2012, 12:00 AM CDT. It was in force for 23 hr.

The area

The counties it named.

The facts

Issued
Sep 29, 2012, 3:38 PM CDT (20:38 UTC)
In effect from
Sep 30, 2012, 12:00 AM CDT
Expired
Sep 30, 2012, 11:06 PM CDT
In force
23 hr
Issued by
NWS Chicago, IL

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

The radar

The Chicago radar (KLOT), 57 km from the middle of the area, began a volume at 20:36 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 12:00Z, 8.6 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 12:00Z on 2012-09-29Temperature 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 12:00Z on 2012-09-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -18 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
1252 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
-18 m²/s²
0-3 km storm-relative helicity
-21 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.

748 
WHUS43 KLOT 292038
CFWLOT

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
338 PM CDT SAT SEP 29 2012

ILZ006-014-INZ001-002-301000-
/O.NEW.KLOT.RP.S.0021.120930T0500Z-121001T0900Z/
LAKE IL-COOK-LAKE IN-PORTER-
338 PM CDT SAT SEP 29 2012

...INCREASED RIP CURRENT RISK IN EFFECT FROM MIDNIGHT CDT TONIGHT
THROUGH LATE SUNDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A NOTIFICATION
OF AN INCREASED RIP CURRENT RISK FROM MIDNIGHT CDT TONIGHT
THROUGH LATE SUNDAY NIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THERE IS A MODERATE RISK OF RIP CURRENTS.

RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY
FROM SHORE...WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN THE
SANDBAR AND IN THE VICINITY OF STRUCTURES SUCH AS GROINS...
JETTIES AND PIERS. HEED THE ADVICE OF LIFEGUARDS AND THE BEACH
PATROL. PAY ATTENTION TO FLAGS AND POSTED SIGNS. 

IF YOU BECOME CAUGHT IN A RIP CURRENT...DO NOT PANIC. REMAIN CALM
AND BEGIN TO SWIM PARALLEL TO SHORE. ONCE YOU ARE AWAY FROM THE
FORCE OF THE RIP CURRENT...BEGIN TO SWIM BACK TO THE BEACH. DO
NOT ATTEMPT TO SWIM DIRECTLY AGAINST A RIP CURRENT. EVEN A STRONG
SWIMMER CAN BECOME EXHAUSTED QUICKLY.

&&

$$
7 follow-up statements
808 
WHUS43 KLOT 292103
CFWLOT

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
403 PM CDT SAT SEP 29 2012

ILZ006-014-INZ001-002-300515-
/O.CON.KLOT.RP.S.0021.120930T0500Z-121001T0900Z/
LAKE IL-COOK-LAKE IN-PORTER-
403 PM CDT SAT SEP 29 2012

...INCREASED RIP CURRENT RISK REMAINS IN EFFECT FROM MIDNIGHT CDT
TONIGHT THROUGH LATE SUNDAY NIGHT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THERE IS A MODERATE RISK OF RIP CURRENTS.

RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY
FROM SHORE...WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN THE
SANDBAR AND IN THE VICINITY OF STRUCTURES SUCH AS GROINS...
JETTIES AND PIERS. HEED THE ADVICE OF LIFEGUARDS AND THE BEACH
PATROL. PAY ATTENTION TO FLAGS AND POSTED SIGNS.

IF YOU BECOME CAUGHT IN A RIP CURRENT...DO NOT PANIC. REMAIN CALM
AND BEGIN TO SWIM PARALLEL TO SHORE. ONCE YOU ARE AWAY FROM THE
FORCE OF THE RIP CURRENT...BEGIN TO SWIM BACK TO THE BEACH. DO
NOT ATTEMPT TO SWIM DIRECTLY AGAINST A RIP CURRENT. EVEN A STRONG
SWIMMER CAN BECOME EXHAUSTED QUICKLY.

&&

THE NOTIFICATION OF INCREASED RIP CURRENT RISKS ALONG THE ILLINOIS
AND INDIANA SHORES WILL BE SUSPENDED FROM OCTOBER 1ST UNTIL THE
2013 MEMORIAL DAY WEEKEND.

$$
288 
WHUS43 KLOT 300508
CFWLOT

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
1208 AM CDT SUN SEP 30 2012

ILZ006-014-INZ001-002-301315-
/O.CON.KLOT.RP.S.0021.000000T0000Z-121001T0900Z/
LAKE IL-COOK-LAKE IN-PORTER-
1208 AM CDT SUN SEP 30 2012

...INCREASED RIP CURRENT RISK REMAINS IN EFFECT THROUGH LATE TONIGHT...

THERE IS A MODERATE RISK OF RIP CURRENTS.

RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY
FROM SHORE...WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN THE
SANDBAR AND IN THE VICINITY OF STRUCTURES SUCH AS GROINS...
JETTIES AND PIERS. HEED THE ADVICE OF LIFEGUARDS AND THE BEACH
PATROL. PAY ATTENTION TO FLAGS AND POSTED SIGNS.

IF YOU BECOME CAUGHT IN A RIP CURRENT...DO NOT PANIC. REMAIN CALM
AND BEGIN TO SWIM PARALLEL TO SHORE. ONCE YOU ARE AWAY FROM THE
FORCE OF THE RIP CURRENT...BEGIN TO SWIM BACK TO THE BEACH. DO
NOT ATTEMPT TO SWIM DIRECTLY AGAINST A RIP CURRENT. EVEN A STRONG
SWIMMER CAN BECOME EXHAUSTED QUICKLY.

&&

THE NOTIFICATION OF INCREASED RIP CURRENT RISKS ALONG THE
ILLINOIS AND INDIANA SHORES WILL BE SUSPENDED FROM OCTOBER 1ST
UNTIL THE 2013 MEMORIAL DAY WEEKEND.

$$
677 
WHUS43 KLOT 300808
CFWLOT

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
308 AM CDT SUN SEP 30 2012

ILZ006-014-INZ001-002-301615-
/O.CON.KLOT.RP.S.0021.000000T0000Z-121001T0900Z/
LAKE IL-COOK-LAKE IN-PORTER-
308 AM CDT SUN SEP 30 2012

...INCREASED RIP CURRENT RISK REMAINS IN EFFECT THROUGH LATE TONIGHT...

THERE IS A MODERATE RISK OF RIP CURRENTS.

RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY
FROM SHORE...WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN THE
SANDBAR AND IN THE VICINITY OF STRUCTURES SUCH AS GROINS...
JETTIES AND PIERS. HEED THE ADVICE OF LIFEGUARDS AND THE BEACH
PATROL. PAY ATTENTION TO FLAGS AND POSTED SIGNS.

IF YOU BECOME CAUGHT IN A RIP CURRENT...DO NOT PANIC. REMAIN CALM
AND BEGIN TO SWIM PARALLEL TO SHORE. ONCE YOU ARE AWAY FROM THE
FORCE OF THE RIP CURRENT...BEGIN TO SWIM BACK TO THE BEACH. DO
NOT ATTEMPT TO SWIM DIRECTLY AGAINST A RIP CURRENT. EVEN A STRONG
SWIMMER CAN BECOME EXHAUSTED QUICKLY.

&&

THE NOTIFICATION OF INCREASED RIP CURRENT RISKS ALONG THE
ILLINOIS AND INDIANA SHORES WILL BE SUSPENDED FROM OCTOBER 1ST
UNTIL THE 2013 MEMORIAL DAY WEEKEND.

$$
354 
WHUS43 KLOT 301422
CFWLOT

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
922 AM CDT SUN SEP 30 2012

ILZ006-014-INZ001-002-302230-
/O.CON.KLOT.RP.S.0021.000000T0000Z-121001T0900Z/
LAKE IL-COOK-LAKE IN-PORTER-
922 AM CDT SUN SEP 30 2012

...INCREASED RIP CURRENT RISK REMAINS IN EFFECT THROUGH LATE TONIGHT...

THERE IS A MODERATE RISK OF RIP CURRENTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY
FROM SHORE...WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN THE
SANDBAR AND IN THE VICINITY OF STRUCTURES SUCH AS GROINS...
JETTIES AND PIERS. HEED THE ADVICE OF LIFEGUARDS AND THE BEACH
PATROL. PAY ATTENTION TO FLAGS AND POSTED SIGNS.

IF YOU BECOME CAUGHT IN A RIP CURRENT...DO NOT PANIC. REMAIN CALM
AND BEGIN TO SWIM PARALLEL TO SHORE. ONCE YOU ARE AWAY FROM THE
FORCE OF THE RIP CURRENT...BEGIN TO SWIM BACK TO THE BEACH. DO
NOT ATTEMPT TO SWIM DIRECTLY AGAINST A RIP CURRENT. EVEN A STRONG
SWIMMER CAN BECOME EXHAUSTED QUICKLY.

&&

THE NOTIFICATION OF INCREASED RIP CURRENT RISKS ALONG THE
ILLINOIS AND INDIANA SHORES WILL BE SUSPENDED FROM OCTOBER 1ST
UNTIL THE 2013 MEMORIAL DAY WEEKEND.

$$
725 
WHUS43 KLOT 302045
CFWLOT

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
345 PM CDT SUN SEP 30 2012

ILZ006-014-INZ001-002-010445-
/O.CON.KLOT.RP.S.0021.000000T0000Z-121001T0900Z/
LAKE IL-COOK-LAKE IN-PORTER-
345 PM CDT SUN SEP 30 2012

...INCREASED RIP CURRENT RISK REMAINS IN EFFECT THROUGH LATE TONIGHT...

A MODERATE RISK OF RIP CURRENTS WILL CONTINUE ALONG THE ILLINOIS
AND INDIANA LAKE SHORE LATE THIS AFTERNOON AND THROUGH LATE
TONIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY
FROM SHORE...WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN THE
SANDBAR AND IN THE VICINITY OF STRUCTURES SUCH AS GROINS...
JETTIES AND PIERS. HEED THE ADVICE OF LIFEGUARDS AND THE BEACH
PATROL. PAY ATTENTION TO FLAGS AND POSTED SIGNS.

IF YOU BECOME CAUGHT IN A RIP CURRENT...DO NOT PANIC. REMAIN CALM
AND BEGIN TO SWIM PARALLEL TO SHORE. ONCE YOU ARE AWAY FROM THE
FORCE OF THE RIP CURRENT...BEGIN TO SWIM BACK TO THE BEACH. DO
NOT ATTEMPT TO SWIM DIRECTLY AGAINST A RIP CURRENT. EVEN A STRONG
SWIMMER CAN BECOME EXHAUSTED QUICKLY.

&&

THE SEASONAL NOTIFICATION OF INCREASED RIP CURRENT RISKS ALONG 
THE ILLINOIS AND INDIANA SHORES WILL BE SUSPENDED FROM OCTOBER 1ST
UNTIL THE 2013 MEMORIAL DAY WEEKEND.

$$
937 
WHUS43 KLOT 010209
CFWLOT

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
909 PM CDT SUN SEP 30 2012

ILZ006-014-INZ001-002-010900-
/O.CON.KLOT.RP.S.0021.000000T0000Z-121001T0900Z/
LAKE IL-COOK-LAKE IN-PORTER-
909 PM CDT SUN SEP 30 2012

...INCREASED RIP CURRENT RISK REMAINS IN EFFECT UNTIL 4 AM CDT
MONDAY...

A MODERATE RISK OF RIP CURRENTS WILL CONTINUE ALONG THE ILLINOIS
AND INDIANA LAKE SHORE THROUGH LATE TONIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY
FROM SHORE...WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN THE
SANDBAR AND IN THE VICINITY OF STRUCTURES SUCH AS GROINS...
JETTIES AND PIERS. HEED THE ADVICE OF LIFEGUARDS AND THE BEACH
PATROL. PAY ATTENTION TO FLAGS AND POSTED SIGNS.

IF YOU BECOME CAUGHT IN A RIP CURRENT...DO NOT PANIC. REMAIN CALM
AND BEGIN TO SWIM PARALLEL TO SHORE. ONCE YOU ARE AWAY FROM THE
FORCE OF THE RIP CURRENT...BEGIN TO SWIM BACK TO THE BEACH. DO
NOT ATTEMPT TO SWIM DIRECTLY AGAINST A RIP CURRENT. EVEN A STRONG
SWIMMER CAN BECOME EXHAUSTED QUICKLY.

&&

THE SEASONAL NOTIFICATION OF INCREASED RIP CURRENT RISKS ALONG
THE ILLINOIS AND INDIANA SHORES WILL BE SUSPENDED FROM OCTOBER
1ST UNTIL THE 2013 MEMORIAL DAY WEEKEND.

$$
131 
WHUS43 KLOT 010406
CFWLOT

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
1106 PM CDT SUN SEP 30 2012

ILZ006-014-INZ001-002-010515-
/O.CAN.KLOT.RP.S.0021.000000T0000Z-121001T0900Z/
LAKE IL-COOK-LAKE IN-PORTER-
1106 PM CDT SUN SEP 30 2012

...INCREASED RIP CURRENT RISK IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS CANCELLED THE
NOTIFICATION OF THE INCREASED RISK OF RIP CURRENTS.

WINDS AND WAVES HAVE CONTINUED TO SLOWLY SUBSIDE DURING THE
EVENING. CONDITIONS ARE NO LONGER FAVORABLE FOR AN INCREASED 
RISK OF RIP CURRENTS.

THE SEASONAL NOTIFICATION OF INCREASED RIP CURRENT RISKS ALONG
THE ILLINOIS AND INDIANA SHORES WILL BE SUSPENDED FROM OCTOBER
1ST UNTIL THE 2013 MEMORIAL DAY WEEKEND.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 29, 3:33 AM CDTSmall Craft AdvisoryLOT42 hr

Nearby

Rip Current Statements in Indiana, 2012Rip Current Statements in Illinois, 2012Every rip current statement in 2012

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.