Alert archive / Indiana / Rip Current Statements in 2010

Rip Current Statement 6, NWS Chicago, IL

August 16, 2010Lake County, Porter County, Indiana

NWS Chicago, IL issued this rip current statement at Aug 16, 2010, 5:20 PM CDT for Lake County, Porter County, Indiana. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Aug 16, 2010, 5:20 PM CDT (22:20 UTC)
Expired
Aug 16, 2010, 10:00 PM 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 22:23 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, 10.3 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 2010-08-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 6 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 2010-08-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 40 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
6 J/kg
Mixed-layer CIN
-28 J/kg
Mixed-layer LCL
1291 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
40 m²/s²
0-3 km storm-relative helicity
28 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.

322 
WHUS43 KLOT 162220
CFWLOT

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
520 PM CDT MON AUG 16 2010


INZ001-002-170300-
/O.NEW.KLOT.RP.S.0006.100816T2220Z-100817T0300Z/
LAKE IN-PORTER-
520 PM CDT MON AUG 16 2010

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

GUSTY WEST WINDS AND HIGH WAVES ALONG THE SHORE WILL CONTINUE TO 
BRING A RISK OF STRONG RIP CURRENTS THROUGH THE EVENING...CREATING 
DANGEROUS SWIMMING CONDITIONS. 

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

$$
1 follow-up statement
732 
WHUS43 KLOT 170247
CFWLOT

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
947 PM CDT MON AUG 16 2010


INZ001-002-170400-
/O.EXP.KLOT.RP.S.0006.000000T0000Z-100817T0300Z/
LAKE IN-PORTER-
947 PM CDT MON AUG 16 2010

...RIP CURRENT RISK WILL EXPIRE AT 10 PM CDT THIS EVENING...

WINDS ACROSS THE SOUTHERN SHORES OF LAKE MICHIGAN HAVE DIMINISHED TO 10
TO 15 KTS THIS EVENING WHICH HAS ALLOWED WAVES TO SUBSIDE. THE RIP
CURRENT ADVISORY WILL BE ALLOWED TO EXPIRE AT 10 PM CDT.


$$

Nearby

Rip Current Statements in Indiana, 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.