Alert archive / Indiana / Rip Current Statements in 2011

Rip Current Statement 7, NWS Chicago, IL

July 24, 2011Lake County, Porter County, Indiana

NWS Chicago, IL issued this rip current statement at Jul 24, 2011, 5:43 PM CDT for Lake County, Porter County, Indiana. It took effect at Jul 25, 2011, 1:00 AM CDT. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Jul 24, 2011, 5:43 PM CDT (22:43 UTC)
In effect from
Jul 25, 2011, 1:00 AM CDT
Expired
Jul 25, 2011, 6:17 AM CDT
In force
5 hr
Issued by
NWS Chicago, IL

Counties Lake County, IN, Porter County, IN

The radar

The Chicago radar (KLOT), 73 km from the middle of the area, began a volume at 22:46 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, 10.7 hours before the alert went out and 189 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 2011-07-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3589 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 2011-07-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 25 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
3589 J/kg
Mixed-layer CIN
-60 J/kg
Mixed-layer LCL
977 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
25 m²/s²
0-3 km storm-relative helicity
12 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.

029 
WHUS43 KLOT 242243
CFWLOT

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
543 PM CDT SUN JUL 24 2011

INZ001-002-250645-
/O.NEW.KLOT.RP.S.0007.110725T0600Z-110726T0000Z/
LAKE IN-PORTER-
543 PM CDT SUN JUL 24 2011

...RIP CURRENT RISK IN EFFECT FROM 1 AM CDT MONDAY THROUGH MONDAY
EVENING...

* TIMING...NORTH WINDS 10 TO 20 MPH ARE EXPECTED OVERNIGHT INTO
  MONDAY MORNING WITH WAVES BUILDING TO 2 TO 4 FEET BY MONDAY
  MORNING.

* IMPACTS...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
3 follow-up statements
341 
WHUS43 KLOT 250616
CFWLOT

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
116 AM CDT MON JUL 25 2011

INZ001-002-251430-
/O.CON.KLOT.RP.S.0007.000000T0000Z-110726T0000Z/
LAKE IN-PORTER-
116 AM CDT MON JUL 25 2011

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

* TIMING...NORTH WINDS 10 TO 20 MPH ARE EXPECTED OVERNIGHT INTO
  THIS MORNING BEHIND A COLD FRONT MOVING DOWN THE LAKE. WAVES
  ARE EXPECTED TO BUILD TO 2 TO 4 FEET BY THIS MORNING.

* IMPACTS...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
608 
WHUS43 KLOT 250829
CFWLOT

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
329 AM CDT MON JUL 25 2011

INZ001-002-251630-
/O.CON.KLOT.RP.S.0007.000000T0000Z-110726T0000Z/
LAKE IN-PORTER-
329 AM CDT MON JUL 25 2011

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

* TIMING...NORTH WINDS 10 TO 20 MPH ARE EXPECTED TODAY BEHIND A
  COLD FRONT MOVING DOWN THE LAKE. WAVES ARE EXPECTED TO BUILD
  TO 2 TO 4 FEET BY THIS MORNING.

* IMPACTS...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
115 
WHUS43 KLOT 251117
CFWLOT

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
617 AM CDT MON JUL 25 2011



INZ001-002-251230-
/O.CAN.KLOT.RP.S.0007.000000T0000Z-110726T0000Z/
LAKE IN-PORTER-
617 AM CDT MON JUL 25 2011

...RIP CURRENT RISK IS CANCELLED...

WITH WINDS SHIFTING WESTERLY AND WAVES SUBSIDING TO 1 FOOT OR
LESS...THE RISK OF RIP CURRENTS IS LOW.

$$


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
Jul 23, 8:57 PM CDTAreal Flood AdvisoryLOTBenton, Jasper, Newton4 hr
Jul 23, 9:18 PM CDTSevere Thunderstorm WarningLOTBenton57 min
Jul 24, 8:16 AM CDTSevere Thunderstorm WarningLOTLake, Newton59 min
Jul 24, 9:19 AM CDTSpecial Weather StatementLOTBenton, Jasper, Newton41 min
Jul 24, 9:47 AM CDTSpecial Weather StatementLOTBenton, Jasper13 min

Nearby

Rip Current Statements in Indiana, 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.