Alert archive / Indiana / Rip Current Statements in 2010

Rip Current Statement 4, NWS Chicago, IL

July 25, 2010Lake County, Porter County, Indiana

NWS Chicago, IL issued this rip current statement at Jul 25, 2010, 3:32 AM CDT for Lake County, Porter County, Indiana. It took effect at Jul 25, 2010, 7:00 AM CDT. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued
Jul 25, 2010, 3:32 AM CDT (08:32 UTC)
In effect from
Jul 25, 2010, 7:00 AM CDT
Expired
Jul 25, 2010, 10:00 PM CDT
In force
15 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 08:35 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, 8.5 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 00:00Z on 2010-07-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 11 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 2010-07-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 100 square meters per square second.19395878Sfc1 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
11 J/kg
Mixed-layer CIN
-267 J/kg
Mixed-layer LCL
2024 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
100 m²/s²
0-3 km storm-relative helicity
128 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.

839 
WHUS43 KLOT 250832
CFWLOT

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
332 AM CDT SUN JUL 25 2010

ILZ014-INZ001-002-251645-
/O.NEW.KLOT.RP.S.0004.100725T1200Z-100725T2200Z/
COOK-LAKE IN-PORTER-
332 AM CDT SUN JUL 25 2010

...RIP CURRENT RISK IN EFFECT FROM 7 AM CDT THIS MORNING THROUGH
THIS AFTERNOON...

MODERATE NORTH TO NORTHEASTERLY WINDS ARE FORECASTED TO OCCUR
THROUGH EARLY THIS EVENING. DURING THIS TIME FRAME...WAVES ARE
EXPECTED TO BUILD AND A MODERATE RISK FOR RIP CURRENTS IS EXPECTED
ALONG THE SOUTHERN SHORELINES OF LAKE MICHIGAN.

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. 

&&

$$

BMD
3 follow-up statements
238 
WHUS43 KLOT 251555
CFWLOT

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
1055 AM CDT SUN JUL 25 2010

ILZ014-INZ001-002-260000-
/O.EXT.KLOT.RP.S.0004.000000T0000Z-100726T0300Z/
COOK-LAKE IN-PORTER-
1055 AM CDT SUN JUL 25 2010

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

MODERATE NORTH TO NORTHEASTERLY WINDS ARE FORECAST TO OCCUR
THROUGH EARLY THIS EVENING. DURING THIS TIME FRAME...WAVES ARE
EXPECTED TO BUILD AND A MODERATE RISK FOR RIP CURRENTS IS EXPECTED
ALONG THE SOUTHERN SHORELINES OF LAKE MICHIGAN.

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.

&&

$$

BEACHLER
613 
WHUS43 KLOT 252213
CFWLOT

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
513 PM CDT SUN JUL 25 2010

ILZ014-INZ001-002-260300-
/O.CON.KLOT.RP.S.0004.000000T0000Z-100726T0300Z/
COOK-LAKE IN-PORTER-
513 PM CDT SUN JUL 25 2010

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

MODERATE NORTH TO NORTHEASTERLY WINDS WILL CONTINUE TO OCCUR THROUGH
EARLY THIS EVENING. DURING THIS TIME FRAME...LARGE WAVES WILL
CONTINUE WITH A MODERATE RISK FOR RIP CURRENTS ALSO CONTINUING
ALONG THE SOUTHERN SHORELINES OF LAKE MICHIGAN.

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.

&&

$$
683 
WHUS43 KLOT 260303
CFWLOT

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
1003 PM CDT SUN JUL 25 2010

ILZ014-INZ001-002-260415-
/O.EXP.KLOT.RP.S.0004.000000T0000Z-100726T0300Z/
COOK-LAKE IN-PORTER-
1003 PM CDT SUN JUL 25 2010

...RIP CURRENT RISK HAS EXPIRED...

NORTH WINDS WILL CONTINUE TO DIMINISH AND TURN MORE EASTERLY BY
MORNING AS HIGH PRESSURE BUILDS ACROSS THE REGION. WAVES WILL 
ALSO CONTINUE TO SUBSIDE THROUGH THE NIGHT.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 24, 7:26 PM CDTSpecial Weather StatementLOTJasper, Newton34 min
Jul 24, 7:50 PM CDTAreal Flood AdvisoryLOTJasper2 hr
Jul 24, 11:04 PM CDTSpecial Weather StatementLOTLake, Porter56 min
Jul 24, 11:12 PM CDTAreal Flood AdvisoryLOTLake, Porter6 hr
Jul 24, 11:47 PM CDTSpecial Weather StatementLOTLake13 min
Jul 25, 12:00 AM CDTSpecial Weather StatementLOTLake45 min
Jul 24, 10:03 PM CDTSpecial Weather StatementLOTGrundy, Will57 min
Jul 24, 10:20 PM CDTSmall Craft AdvisoryLOT21 hr
Jul 25, 10:22 AM CDTRiver Flood AdvisoryLOTBureau, LaSalle25 hr

Nearby

Rip Current Statements in Indiana, 2010Rip Current Statements in Illinois, 2010Every rip current statement in 2010

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.