Alert archive / Indiana / Rip Current Statements in 2011

Rip Current Statement 8, NWS Chicago, IL

August 2, 2011Lake County, Illinois; Lake County, Porter County, Indiana

NWS Chicago, IL issued this rip current statement at Aug 2, 2011, 3:43 PM CDT for Lake County, Illinois; Lake County, Porter County, Indiana. It took effect at Aug 3, 2011, 7:00 AM CDT. It was in force for 27 hr.

The area

The counties it named.

The facts

Issued
Aug 2, 2011, 3:43 PM CDT (20:43 UTC)
In effect from
Aug 3, 2011, 7:00 AM CDT
Expired
Aug 4, 2011, 10:00 AM CDT
In force
27 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 20:46 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, 8.7 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 2011-08-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1761 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 12:00Z on 2011-08-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -1 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
1761 J/kg
Mixed-layer CIN
-148 J/kg
Mixed-layer LCL
1074 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
-1 m²/s²
0-3 km storm-relative helicity
-8 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

241 
WHUS43 KLOT 022043
CFWLOT

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
343 PM CDT TUE AUG 2 2011


ILZ006-014-030445-
/O.NEW.KLOT.RP.S.0008.110803T1200Z-110803T2100Z/
LAKE IL-COOK-
343 PM CDT TUE AUG 2 2011

...RIP CURRENT RISK IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY AFTERNOON...

* TIMING...GUSTY NORTHERLY FLOW WILL OVERSPREAD LATE MICHIGAN LATE
  TONIGHT INTO EARLY WEDNESDAY MORNING AS A COLD FRONT MOVES
  ACROSS LAKE MICHIGAN. WINDS INCREASING TO 30 KTS WILL ALLOW
  WAVES TO GROW TO 4 TO 6 FT.

* IMPACTS...THERE IS A MODERATE RISK OF RIP CURRENTS.

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.

&&

$$

INZ001-002-030445-
/O.NEW.KLOT.RP.S.0008.110803T1200Z-110804T0200Z/
LAKE IN-PORTER-
343 PM CDT TUE AUG 2 2011

...RIP CURRENT RISK IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY EVENING...

* TIMING...GUSTY NORTHERLY FLOW WILL OVERSPREAD LATE MICHIGAN LATE
  TONIGHT INTO EARLY WEDNESDAY MORNING AS A COLD FRONT MOVES
  ACROSS LAKE MICHIGAN. WINDS INCREASING TO 30 KTS WILL ALLOW
  WAVES TO GROW TO 5 TO 8 FT.

* IMPACTS...THERE IS A MODERATE RISK OF RIP CURRENTS.

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.

&&

$$


PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE
NEW RIP CURRENT HAZARD...

HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=RCVTECCHM
7 follow-up statements
569 
WHUS43 KLOT 030926
CFWLOT

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
426 AM CDT WED AUG 3 2011

ILZ006-014-031730-
/O.EXT.KLOT.RP.S.0008.110803T1200Z-110804T0300Z/
LAKE IL-COOK-
426 AM CDT WED AUG 3 2011

...RIP CURRENT RISK NOW IN EFFECT THROUGH THIS EVENING...

* TIMING...GUSTY NORTHERLY FLOW WILL OVERSPREAD LAKE MICHIGAN THIS
  MORNING INTO THIS EVENING AS COOLER AIR MOVES ACROSS THE LAKE.
  WINDS INCREASING TO 25 KTS WILL ALLOW WAVES TO GROW TO 3 TO 6
  FT.

* IMPACTS...THERE IS A MODERATE RISK OF RIP CURRENTS.

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.

&&

$$

INZ001-002-031730-
/O.EXT.KLOT.RP.S.0008.110803T1200Z-110804T0900Z/
LAKE IN-PORTER-
426 AM CDT WED AUG 3 2011

...RIP CURRENT RISK NOW IN EFFECT THROUGH LATE TONIGHT...

* TIMING...GUSTY NORTHERLY FLOW WILL OVERSPREAD LAKE MICHIGAN THIS
  MORNING INTO TONIGHT AS COOLER AIR MOVES ACROSS THE LAKE. WINDS
  INCREASING TO 25 KTS WILL ALLOW WAVES TO GROW TO 4 TO 7 FT.

* IMPACTS...THERE IS A HIGH RISK OF RIP CURRENTS.

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.

&&

$$


PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE
NEW RIP CURRENT HAZARD...

HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=RCVTECCHM
526 
WHUS43 KLOT 031431
CFWLOT

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
931 AM CDT WED AUG 3 2011

ILZ006-014-032245-
/O.CON.KLOT.RP.S.0008.000000T0000Z-110804T0300Z/
LAKE IL-COOK-
931 AM CDT WED AUG 3 2011

...RIP CURRENT RISK REMAINS IN EFFECT THROUGH THIS EVENING...

* TIMING...GUSTY NORTH WINDS WILL OVERSPREAD LAKE MICHIGAN THIS
  MORNING AND INTO THIS EVENING AS COOLER AIR MOVES ACROSS THE
  LAKE. WINDS INCREASING TO 25 KTS WILL ALLOW WAVES TO GROW TO 3
  TO 6 FT.

* IMPACTS...THERE IS A MODERATE RISK OF RIP CURRENTS.

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.

&&

$$

INZ001-002-032245-
/O.CON.KLOT.RP.S.0008.000000T0000Z-110804T0900Z/
LAKE IN-PORTER-
931 AM CDT WED AUG 3 2011

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

* TIMING...GUSTY NORTH WINDS WILL OVERSPREAD LAKE MICHIGAN THIS
  MORNING INTO TONIGHT AS COOLER AIR MOVES ACROSS THE LAKE. WINDS
  INCREASING TO 25 KTS WILL ALLOW WAVES TO GROW TO 4 TO 7 FT.

* IMPACTS...THERE IS A HIGH RISK OF RIP CURRENTS.

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.

&&

$$


PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE
NEW RIP CURRENT HAZARD...

HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=RCVTECCHM
795 
WHUS43 KLOT 031615
CFWLOT

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
1115 AM CDT WED AUG 3 2011

ILZ006-014-040015-
/O.CON.KLOT.RP.S.0008.000000T0000Z-110804T0300Z/
LAKE IL-COOK-
1115 AM CDT WED AUG 3 2011

...RIP CURRENT RISK REMAINS IN EFFECT UNTIL 10 PM CDT THIS
EVENING...

* TIMING...GUSTY NORTH WINDS WILL OVERSPREAD LAKE MICHIGAN THIS 
  MORNING AND INTO THIS EVENING AS COOLER AIR MOVES ACROSS THE 
  LAKE. WINDS INCREASING TO 25 KTS WILL ALLOW WAVES TO GROW TO 3 
  TO 6 FT. 

* IMPACTS...THERE IS A MODERATE RISK OF RIP CURRENTS.

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.

&&

$$

INZ001-002-040015-
/O.CON.KLOT.RP.S.0008.000000T0000Z-110804T0900Z/
LAKE IN-PORTER-
1115 AM CDT WED AUG 3 2011

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

* TIMING...GUSTY NORTH WINDS WILL OVERSPREAD LAKE MICHIGAN THIS 
  MORNING INTO TONIGHT AS COOLER AIR MOVES ACROSS THE LAKE. 
  WINDS INCREASING TO 25 KTS WILL ALLOW WAVES TO GROW TO 4 TO 7 
  FT. 

* IMPACTS...THERE IS A HIGH RISK OF RIP CURRENTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THERE IS A HIGH 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.

&&

$$


PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE
NEW RIP CURRENT HAZARD...

HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=RCVTECCHM
544 
WHUS43 KLOT 031959
CFWLOT

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
259 PM CDT WED AUG 3 2011

ILZ006-014-040300-
/O.CON.KLOT.RP.S.0008.000000T0000Z-110804T0300Z/
LAKE IL-COOK-
259 PM CDT WED AUG 3 2011

...RIP CURRENT RISK REMAINS IN EFFECT UNTIL 10 PM CDT THIS
EVENING...

* TIMING...GUSTY NORTH WINDS WILL CONTINUE THROUGH THIS EVENING.
  WINDS UP TO 25 KTS WILL ALLOW WAVES OF 3 TO 6 FT TO CONTINUE.

* IMPACTS...THERE IS A MODERATE RISK OF RIP CURRENTS.

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.

&&

$$

INZ001-002-040400-
/O.CON.KLOT.RP.S.0008.000000T0000Z-110804T0900Z/
LAKE IN-PORTER-
259 PM CDT WED AUG 3 2011

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

* TIMING...GUSTY NORTH WINDS WILL CONTINUE THROUGH THIS EVENING.
  WINDS UP TO 25 KTS WILL ALLOW WAVES OF 5 TO 8 FT TO CONTINUE.

* IMPACTS...THERE IS A HIGH RISK OF RIP CURRENTS. STRONG RIP
  CURRENTS...WITH 6 TO 8 FOOT WAVES BREAKING ONSHORE WERE 
  REPORTED AT INDIANA DUNES STATE PARK.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

THERE IS A HIGH 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.

&&

$$


PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE
NEW RIP CURRENT HAZARD...

HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=RCVTECCHM
045 
WHUS43 KLOT 040259
CFWLOT

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
959 PM CDT WED AUG 3 2011

ILZ006-014-040400-
/O.CAN.KLOT.RP.S.0008.000000T0000Z-110804T0300Z/
LAKE IL-COOK-
959 PM CDT WED AUG 3 2011

...RIP CURRENT RISK IS CANCELLED...

$$

INZ001-002-040900-
/O.CON.KLOT.RP.S.0008.000000T0000Z-110804T0900Z/
LAKE IN-PORTER-
959 PM CDT WED AUG 3 2011

...RIP CURRENT RISK REMAINS IN EFFECT UNTIL 4 AM CDT THURSDAY...

* TIMING...GUSTY NORTH WINDS WILL CONTINUE THROUGH THIS EVENING. 
  WINDS UP TO 20 KTS WILL ALLOW WAVES OF 4 TO 7 FT TO CONTINUE. 

* IMPACTS...THERE IS A HIGH RISK OF RIP CURRENTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THERE IS A HIGH 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.

&&

$$


PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE
NEW RIP CURRENT HAZARD...

HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=RCVTECCHM
064 
WHUS43 KLOT 040851
CFWLOT

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
351 AM CDT THU AUG 4 2011

INZ001-002-041500-
/O.EXT.KLOT.RP.S.0008.000000T0000Z-110804T1500Z/
LAKE IN-PORTER-
351 AM CDT THU AUG 4 2011

...RIP CURRENT RISK NOW IN EFFECT UNTIL 10 AM CDT THIS MORNING...

* TIMING...GUSTY NORTH WINDS WILL CONTINUE TO DIMINISH THIS
  MORNING ALLOWING WAVES OF 3 TO 5 FT TO CONTINUE TO SUBSIDE TO 1
  TO 3 FT.

* IMPACTS...THERE IS A MODERATE RISK OF RIP CURRENTS.

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.

&&

$$


PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE
NEW RIP CURRENT HAZARD...

HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=RCVTECCHM
237 
WHUS43 KLOT 041456
CFWLOT

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
956 AM CDT THU AUG 4 2011

INZ001-002-041600-
/O.EXP.KLOT.RP.S.0008.000000T0000Z-110804T1500Z/
LAKE IN-PORTER-
956 AM CDT THU AUG 4 2011

...RIP CURRENT RISK WILL EXPIRE AT 10 AM CDT THIS MORNING...

WINDS HAVE SHIFTED TO THE NORTHEAST THIS MORNING...ALLOWING WAVES
TO SUBSIDE ALONG THE INDIANA SHORE OF LAKE MICHIGAN. THEREFORE...
THE RISK OF RIP CURRENTS HAS DIMINISHED.

$$


PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE
NEW RIP CURRENT HAZARD...

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

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 1, 9:49 PM CDTSmall Craft AdvisoryLOT54 hr
Aug 2, 3:38 AM CDTHeat AdvisoryLOTBoone, DeKalb, DuPage, Ford, Grundy, Iroquois and 10 more20 hr
Aug 2, 5:23 PM CDTSpecial Marine WarningLOT2 hr
Aug 2, 5:36 PM CDTSevere Thunderstorm WarningLOTBoone, McHenry54 min
Aug 2, 5:56 PM CDTSevere Thunderstorm WarningLOTCook, Kane, Lake, McHenry70 min
Aug 2, 6:15 PM CDTSpecial Marine WarningLOT110 min

Nearby

Rip Current Statements in Indiana, 2011Rip Current Statements in Illinois, 2011Every rip current statement in 2011

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.