Alert archive / Illinois / Rip Current Statements in 2010

Rip Current Statement 3, NWS Chicago, IL

June 8, 2010Lake County, Illinois

NWS Chicago, IL issued this rip current statement at Jun 8, 2010, 3:06 AM CDT for Lake County, Illinois. It took effect at Jun 8, 2010, 3:00 PM CDT. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Jun 8, 2010, 3:06 AM CDT (08:06 UTC)
In effect from
Jun 8, 2010, 3:00 PM CDT
Expired
Jun 9, 2010, 1:00 AM CDT
In force
10 hr
Issued by
NWS Chicago, IL

County Lake County, IL

The radar

The Chicago radar (KLOT), 85 km from the middle of the area, began a volume at 08:08 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

Davenport, (KDVN), launched 00:00Z, 8.1 hours before the alert went out and 233 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, Davenport, at 00:00Z on 2010-06-08Temperature 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, Davenport, at 00:00Z on 2010-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 22 square meters per square second.1939587897Sfc1 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
1504 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
22 m²/s²
0-3 km storm-relative helicity
58 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.

713 
WHUS43 KLOT 080806
CFWLOT

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
306 AM CDT TUE JUN 8 2010

ILZ006-014-081615-
/O.NEW.KLOT.RP.S.0003.100608T2000Z-100609T0600Z/
LAKE IL-COOK-
306 AM CDT TUE JUN 8 2010

...RIP CURRENT RISK IN EFFECT FROM 3 PM CDT THIS AFTERNOON
THROUGH LATE TONIGHT...

LIGHT SOUTHEASTERLY WINDS THIS MORNING WILL STRENGTHEN THIS
AFTERNOON AS HIGH PRESSURE MOVES OFF TO THE EAST AND AS A LOW
PRESSURE AREA ACROSS THE PLAINS TRACKS EASTWARD. THE STRENGTHENING
SOUTHEAST WINDS WILL ALLOW WAVE HEIGHTS TO BUILD HIGH ENOUGH FOR A
MODERATE RISK OF RIP CURRENTS FROM MID AFTERNOON THROUGH THIS
EVENING...MAINLY ALONG THE ILLINOIS SHORE 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. 

&&

$$
4 follow-up statements
705 
WHUS43 KLOT 081505
CFWLOT

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
1005 AM CDT TUE JUN 8 2010

ILZ006-014-082315-
/O.CON.KLOT.RP.S.0003.100608T2000Z-100609T0600Z/
LAKE IL-COOK-
1005 AM CDT TUE JUN 8 2010

...RIP CURRENT RISK REMAINS IN EFFECT FROM 3 PM CDT THIS
AFTERNOON THROUGH LATE TONIGHT...

SOUTHEASTERLY WINDS WILL STRENGTHEN THIS AFTERNOON AS HIGH
PRESSURE MOVES OFF TO THE EAST AND AS A LOW PRESSURE AREA ACROSS
THE PLAINS TRACKS EAST. THE STRENGTHENING SOUTHEAST WINDS WILL
ALLOW WAVE HEIGHTS TO BUILD HIGH ENOUGH FOR A MODERATE RISK OF RIP
CURRENTS FROM MID AFTERNOON THROUGH THIS EVENING... MAINLY ALONG
THE ILLINOIS SHORE 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.

&&

$$
461 
WHUS43 KLOT 082022
CFWLOT

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
322 PM CDT TUE JUN 8 2010

ILZ006-014-090430-
/O.CON.KLOT.RP.S.0003.000000T0000Z-100609T0600Z/
LAKE IL-COOK-
322 PM CDT TUE JUN 8 2010

...RIP CURRENT RISK REMAINS IN EFFECT UNTIL 1 AM CDT WEDNESDAY...

STRONG SOUTHEAST WINDS WILL CONTINUE THROUGH LATE THIS EVENING AND
BEGIN TO DIMINISH BY MIDNIGHT. THE STRENGTHENING SOUTHEAST WINDS
WILL ALLOW WAVE HEIGHTS TO BUILD HIGH ENOUGH FOR A MODERATE RISK
OF RIP CURRENTS THROUGH LATE THIS EVENING...MAINLY ALONG THE
ILLINOIS SHORE 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.

&&

$$
899 
WHUS43 KLOT 090259
CFWLOT

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
959 PM CDT TUE JUN 8 2010

ILZ006-014-090600-
/O.CON.KLOT.RP.S.0003.000000T0000Z-100609T0600Z/
LAKE IL-COOK-
959 PM CDT TUE JUN 8 2010

...RIP CURRENT RISK REMAINS IN EFFECT UNTIL 1 AM CDT WEDNESDAY...

STRONG SOUTHEAST WINDS WILL CONTINUE THROUGH LATE THIS EVENING
AND BEGIN TO DIMINISH BY MIDNIGHT. THE STRENGTHENING SOUTHEAST
WINDS WILL ALLOW FOR HIGH ENOUGH WAVE HEIGHTS FOR A MODERATE RISK
OF RIP CURRENTS THROUGH LATE THIS EVENING...MAINLY ALONG THE
ILLINOIS SHORE 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.

&&

$$

MARSILI
717 
WHUS43 KLOT 090628
CFWLOT

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
128 AM CDT WED JUN 9 2010

ILZ006-014-090730-
/O.EXP.KLOT.RP.S.0003.000000T0000Z-100609T0600Z/
LAKE IL-COOK-
128 AM CDT WED JUN 9 2010

...RIP CURRENT RISK HAS EXPIRED...

WINDS AND WAVES WILL DIMINISH DURING THE OVERNIGHT HOURS.
THEREFORE...THE RISK OF RIP CURRENTS HAS DIMINISHED.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 8, 3:26 AM CDTSmall Craft AdvisoryLOT23 hr

Nearby

Rip 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.