Alert archive / Michigan / Beach Hazards Statements in 2012

Beach Hazards Statement 8, NWS Grand Rapids, MI

August 4, 20126 counties in Michigan

NWS Grand Rapids, MI issued this beach hazards statement at Aug 4, 2012, 4:24 AM EDT for 6 counties in Michigan. It took effect at Aug 4, 2012, 8:00 AM EDT. It was in force for 37 hr.

The area

The counties it named.

The facts

Issued
Aug 4, 2012, 4:24 AM EDT (08:24 UTC)
In effect from
Aug 4, 2012, 8:00 AM EDT
Expired
Aug 5, 2012, 9:29 PM EDT
In force
37 hr
Issued by
NWS Grand Rapids, MI

Counties Allegan County, MI, Mason County, MI, Muskegon County, MI, Oceana County, MI, Ottawa County, MI, Van Buren County, MI

The radar

The Grand Rapids radar (KGRR), 60 km from the middle of the area, began a volume at 08:26 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

Green Bay/Straub, WI (KGRB), launched 00:00Z, 8.4 hours before the alert went out and 214 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, Green Bay/Straub, WI at 00:00Z on 2012-08-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1631 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, Green Bay/Straub, WI at 00:00Z on 2012-08-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 69 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
1631 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
881 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
69 m²/s²
0-3 km storm-relative helicity
165 m²/s²
Significant tornado parameter
0.5
Supercell composite
3.2

Open this sounding in Storm Lab

The text

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

510 
WHUS43 KGRR 040824
CFWGRR

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
424 AM EDT SAT AUG 4 2012

MIZ037-043-041630-
/O.NEW.KGRR.BH.S.0008.120804T1200Z-120806T0600Z/
MASON-OCEANA-
INCLUDING THE BEACHES OF...LAKE MICHIGAN RECREATION AREA...
LUDINGTON STATE PARK...STEARNS PARK...CHARLES MEARS STATE PARK...
SILVER LAKE STATE PARK...BENONA TOWNSHIP PARK...
CLAYBANKS TOWNSHIP PARK
424 AM EDT SAT AUG 4 2012

...BEACH HAZARDS STATEMENT IN EFFECT FROM 8 AM EDT THIS MORNING
THROUGH LATE SUNDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A BEACH
HAZARDS STATEMENT FOR DANGEROUS SWIMMING CONDITIONS...WHICH IS IN
EFFECT FROM 8 AM EDT THIS MORNING THROUGH LATE SUNDAY NIGHT. 

* HIGH WAVE ACTION AND DANGEROUS SWIMMING CONDITIONS EXPECTED.

* STRONG STRUCTURAL CURRENTS...EXPECTED.

* STRONG LONGSHORE CURRENTS...EXPECTED.

* RIP CURRENTS...POSSIBLE.

* LOCATION...BEACHES FROM WHITEHALL TO MANISTEE. 

  BEACHES WITH PARTICULARLY DANGEROUS CONDITIONS ON SUNDAY
  WITH NORTH FLOW INCLUDE...

  MEARS STATE PARK IN PENTWATER... STERNS PARK IN LUDINGTON.

* OVERVIEW/POTENTIAL IMPACTS...WAVE HEIGHTS WILL BUILD TO 3 TO 5
  FEET THIS AFTERNOON AS SOUTHERLY WINDS INCREASE TO 15 TO 25
  KNOTS. LONGSHORE CURRENTS ARE EXPECTED TO DEVELOP THIS
  AFTERNOON...AS WELL AS STRUCTURAL CURRENTS ON THE SOUTHERN SIDE
  OF ANY STRUCTURES. RIP CURRENTS WILL BE POSSIBLE.

  WINDS WILL REMAIN UP THROUGH TONIGHT...AND THEN WILL BECOME
  NORTHWEST BY DAYBREAK SUNDAY MORNING. WAVES OF 4 TO 6 FEET ARE
  EXPECTED SUNDAY. THE HAZARDOUS SWIMMING CONDITIONS WILL THEN
  TRANSITION TO LONGSHORE CURRENTS COMING FROM THE NORTH...AND
  STRUCTURAL CURRENTS WILL THEN DEVELOP ON THE NORTH SIDE OF
  STRUCTURES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE SURE OF YOUR SWIMMING ABILITY. CHILDREN SHOULD NOT ENTER THE
WATER UNSUPERVISED AND WITHOUT A CERTIFIED FLOTATION DEVICE.
CAUTION SHOULD BE USED WHEN IN OR NEAR THE WATER. PAY ATTENTION
TO FLAGS AND SIGNS POSTED NEAR BEACH ACCESS POINTS AND LIFEGUARD
STATIONS. 

HIGH WAVE ACTION ALONE CAN MAKE SWIMMING DIFFICULT ON DAYS SUCH
AS THIS. INCOMING WAVES IN RAPID SUCCESSION CAN TIRE A SWIMMER
QUICKLY.

STRUCTURAL CURRENTS FORM ALONG PIERS WHERE LONGSHORE CURRENTS AND
WAVE ACTION FLOW INTO THE STRUCTURE. STRUCTURAL CURRENTS CAN
SWEEP YOU OUT LAKEWARD ALONG THE PIER STRUCTURE.

A LONGSHORE CURRENT IS A LAKE CURRENT THAT MOVES PARALLEL TO
SHORE. LONGSHORE CURRENTS CAN BE STRONG ENOUGH TO PREVENT
SWIMMERS FROM BEING ABLE TO KEEP THEIR FEET ON THE BOTTOM...
MAKING IT DIFFICULT TO RETURN TO SHORE.

RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY
FROM SHORE...WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN
SANDBARS. RIP CURRENTS CAN SWEEP YOU OUT LAKEWARD.

PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE
NEW BEACH HAZARDS STATEMENT...

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

&&

$$

MIZ050-056-064-071-041630-
/O.NEW.KGRR.BH.S.0008.120805T0900Z-120806T0600Z/
MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
INCLUDING THE BEACHES OF...MUSKEGON STATE PARK...
PJ HOFFMASTER STATE PARK...DUCK LAKE STATE PARK...
PERE MARQUETTE PARK...MEINERT PARK...GRAND HAVEN STATE PARK...
KIRK PARK...TUNNEL PARK...HOLLAND STATE PARK...OVAL BEACH...
WEST SIDE PARK...SAUGATUCK DUNES STATE PARK...DOUGLAS BEACH...
NORTH BEACH...SOUTH BEACH...VAN BUREN STATE PARK
424 AM EDT SAT AUG 4 2012

...BEACH HAZARDS STATEMENT IN EFFECT FROM LATE TONIGHT THROUGH
LATE SUNDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A BEACH
HAZARDS STATEMENT FOR DANGEROUS SWIMMING CONDITIONS...WHICH IS IN
EFFECT FROM LATE TONIGHT THROUGH LATE SUNDAY NIGHT. 

* HIGH WAVE ACTION AND DANGEROUS SWIMMING CONDITIONS EXPECTED.

* STRONG STRUCTURAL CURRENTS...EXPECTED.

* STRONG LONGSHORE CURRENTS...EXPECTED.

* RIP CURRENTS...POSSIBLE.

* LOCATION...BEACHES FROM ST. JOSEPH TO WHITEHALL. BEACHES WITH
  PARTICULARLY DANGEROUS CONDITIONS SUNDAY INCLUDE...

  NORTH BEACH IN SOUTH HAVEN... HOLLAND STATE PARK... MUSKEGON
  STATE PARK... 

* OVERVIEW/POTENTIAL IMPACTS...WINDS AND WAVES WILL INCREASE SOME
  TODAY. WAVES WILL BUILD TO AROUND 1 FOOT TOWARD ST. JOSEPH...TO
  LOCALLY 4 FEET NEAR WHITEHALL. A LOW TO MODERATE THREAT OF
  SWIMMING HAZARDS WILL BE PRESENT TODAY...WITH THE BETTER THREAT
  FURTHER NORTH. THE MOST HAZARDOUS CONDITIONS WILL BE FOUND SOUTH
  OF STRUCTURES.

  WINDS WILL INCREASE LATE TONIGHT AND WILL BECOME NORTHWEST 15 TO
  25 KNOTS BY SUNDAY MORNING. WAVES WILL BUILD TO 4 TO 6 FEET
  SUNDAY MORNING. THESE CONDITIONS WILL CREATE HAZARDOUS LONGSHORE
  CURRENTS AND STRUCTURAL CURRENTS ON THE NORTH SIDE OF STRUCTURES
  ON SUNDAY. RIP CURRENTS WILL BE POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE SURE OF YOUR SWIMMING ABILITY. CHILDREN SHOULD NOT ENTER THE
WATER UNSUPERVISED AND WITHOUT A CERTIFIED FLOTATION DEVICE.
CAUTION SHOULD BE USED WHEN IN OR NEAR THE WATER. PAY ATTENTION
TO FLAGS AND SIGNS POSTED NEAR BEACH ACCESS POINTS AND LIFEGUARD
STATIONS. 

HIGH WAVE ACTION ALONE CAN MAKE SWIMMING DIFFICULT ON DAYS SUCH
AS THIS. INCOMING WAVES IN RAPID SUCCESSION CAN TIRE A SWIMMER
QUICKLY.

STRUCTURAL CURRENTS FORM ALONG PIERS WHERE LONGSHORE CURRENTS AND
WAVE ACTION FLOW INTO THE STRUCTURE. STRUCTURAL CURRENTS CAN
SWEEP YOU OUT LAKEWARD ALONG THE PIER STRUCTURE.

A LONGSHORE CURRENT IS A LAKE CURRENT THAT MOVES PARALLEL TO
SHORE. LONGSHORE CURRENTS CAN BE STRONG ENOUGH TO PREVENT
SWIMMERS FROM BEING ABLE TO KEEP THEIR FEET ON THE BOTTOM...
MAKING IT DIFFICULT TO RETURN TO SHORE.

RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY
FROM SHORE...WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN
SANDBARS. RIP CURRENTS CAN SWEEP YOU OUT LAKEWARD.

PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE
NEW BEACH HAZARDS STATEMENT...

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

&&

$$

NJJ

WEATHER.GOV/GRR
5 follow-up statements
775 
WHUS43 KGRR 041532
CFWGRR

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1132 AM EDT SAT AUG 4 2012

MIZ037-043-042345-
/O.CON.KGRR.BH.S.0008.000000T0000Z-120806T0600Z/
MASON-OCEANA-
INCLUDING THE BEACHES OF...LAKE MICHIGAN RECREATION AREA...
LUDINGTON STATE PARK...STEARNS PARK...CHARLES MEARS STATE PARK...
SILVER LAKE STATE PARK...BENONA TOWNSHIP PARK...
CLAYBANKS TOWNSHIP PARK
1132 AM EDT SAT AUG 4 2012

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH LATE SUNDAY
NIGHT...

* HIGH WAVE ACTION AND DANGEROUS SWIMMING CONDITIONS EXPECTED.

* STRONG STRUCTURAL CURRENTS...EXPECTED.

* STRONG LONGSHORE CURRENTS...EXPECTED.

* RIP CURRENTS...POSSIBLE.

* LOCATION...BEACHES FROM WHITEHALL TO MANISTEE.

  BEACHES WITH PARTICULARLY DANGEROUS CONDITIONS ON SUNDAY  
  WITH NORTH FLOW INCLUDE...

  MEARS STATE PARK IN PENTWATER... STERNS PARK IN LUDINGTON.

* OVERVIEW/POTENTIAL IMPACTS...WAVE HEIGHTS WILL BUILD TO 3 TO 5 
  FEET THIS AFTERNOON AS SOUTHERLY WINDS INCREASE TO 15 TO 25 
  KNOTS. LONGSHORE CURRENTS ARE EXPECTED TO DEVELOP THIS 
  AFTERNOON...AS WELL AS STRUCTURAL CURRENTS ON THE SOUTHERN 
  SIDE OF ANY STRUCTURES. RIP CURRENTS WILL BE POSSIBLE. 

  WINDS WILL REMAIN UP THROUGH TONIGHT...AND THEN WILL BECOME
  NORTHWEST BY DAYBREAK SUNDAY MORNING. WAVES OF 4 TO 6 FEET ARE
  EXPECTED SUNDAY. THE HAZARDOUS SWIMMING CONDITIONS WILL THEN
  TRANSITION TO LONGSHORE CURRENTS COMING FROM THE NORTH...AND
  STRUCTURAL CURRENTS WILL THEN DEVELOP ON THE NORTH SIDE OF
  STRUCTURES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE SURE OF YOUR SWIMMING ABILITY. CHILDREN SHOULD NOT ENTER THE
WATER UNSUPERVISED AND WITHOUT A CERTIFIED FLOTATION DEVICE.
CAUTION SHOULD BE USED WHEN IN OR NEAR THE WATER. PAY ATTENTION
TO FLAGS AND SIGNS POSTED NEAR BEACH ACCESS POINTS AND LIFEGUARD
STATIONS.

HIGH WAVE ACTION ALONE CAN MAKE SWIMMING DIFFICULT ON DAYS SUCH
AS THIS. INCOMING WAVES IN RAPID SUCCESSION CAN TIRE A SWIMMER
QUICKLY.

STRUCTURAL CURRENTS FORM ALONG PIERS WHERE LONGSHORE CURRENTS AND
WAVE ACTION FLOW INTO THE STRUCTURE. STRUCTURAL CURRENTS CAN
SWEEP YOU OUT LAKEWARD ALONG THE PIER STRUCTURE.

A LONGSHORE CURRENT IS A LAKE CURRENT THAT MOVES PARALLEL TO
SHORE. LONGSHORE CURRENTS CAN BE STRONG ENOUGH TO PREVENT
SWIMMERS FROM BEING ABLE TO KEEP THEIR FEET ON THE BOTTOM...
MAKING IT DIFFICULT TO RETURN TO SHORE.

RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY
FROM SHORE...WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN
SANDBARS. RIP CURRENTS CAN SWEEP YOU OUT LAKEWARD.

PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE
NEW BEACH HAZARDS STATEMENT...

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

&&

$$

MIZ050-056-064-071-042345-
/O.CON.KGRR.BH.S.0008.120805T0900Z-120806T0600Z/
MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
INCLUDING THE BEACHES OF...MUSKEGON STATE PARK...
PJ HOFFMASTER STATE PARK...DUCK LAKE STATE PARK...
PERE MARQUETTE PARK...MEINERT PARK...GRAND HAVEN STATE PARK...
KIRK PARK...TUNNEL PARK...HOLLAND STATE PARK...OVAL BEACH...
WEST SIDE PARK...SAUGATUCK DUNES STATE PARK...DOUGLAS BEACH...
NORTH BEACH...SOUTH BEACH...VAN BUREN STATE PARK
1132 AM EDT SAT AUG 4 2012

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM LATE TONIGHT
THROUGH LATE SUNDAY NIGHT...

* HIGH WAVE ACTION AND DANGEROUS SWIMMING CONDITIONS EXPECTED.

* STRONG STRUCTURAL CURRENTS...EXPECTED.

* STRONG LONGSHORE CURRENTS...EXPECTED.

* RIP CURRENTS...POSSIBLE.

* LOCATION...BEACHES FROM ST. JOSEPH TO WHITEHALL. BEACHES WITH 
  PARTICULARLY DANGEROUS CONDITIONS SUNDAY INCLUDE... 

  NORTH BEACH IN SOUTH HAVEN... HOLLAND STATE PARK... MUSKEGON  
  STATE PARK...

* OVERVIEW/POTENTIAL IMPACTS...WINDS AND WAVES WILL INCREASE 
  SOME TODAY. WAVES WILL BUILD TO AROUND 1 FOOT TOWARD ST. 
  JOSEPH...TO LOCALLY 4 FEET NEAR WHITEHALL. A LOW TO MODERATE 
  THREAT OF SWIMMING HAZARDS WILL BE PRESENT TODAY...WITH THE 
  BETTER THREAT FURTHER NORTH. THE MOST HAZARDOUS CONDITIONS 
  WILL BE FOUND SOUTH OF STRUCTURES. 

  WINDS WILL INCREASE LATE TONIGHT AND WILL BECOME NORTHWEST 15 TO
  25 KNOTS BY SUNDAY MORNING. WAVES WILL BUILD TO 4 TO 6 FEET
  SUNDAY MORNING. THESE CONDITIONS WILL CREATE HAZARDOUS LONGSHORE
  CURRENTS AND STRUCTURAL CURRENTS ON THE NORTH SIDE OF STRUCTURES
  ON SUNDAY. RIP CURRENTS WILL BE POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE SURE OF YOUR SWIMMING ABILITY. CHILDREN SHOULD NOT ENTER THE
WATER UNSUPERVISED AND WITHOUT A CERTIFIED FLOTATION DEVICE.
CAUTION SHOULD BE USED WHEN IN OR NEAR THE WATER. PAY ATTENTION
TO FLAGS AND SIGNS POSTED NEAR BEACH ACCESS POINTS AND LIFEGUARD
STATIONS.

HIGH WAVE ACTION ALONE CAN MAKE SWIMMING DIFFICULT ON DAYS SUCH
AS THIS. INCOMING WAVES IN RAPID SUCCESSION CAN TIRE A SWIMMER
QUICKLY.

STRUCTURAL CURRENTS FORM ALONG PIERS WHERE LONGSHORE CURRENTS AND
WAVE ACTION FLOW INTO THE STRUCTURE. STRUCTURAL CURRENTS CAN
SWEEP YOU OUT LAKEWARD ALONG THE PIER STRUCTURE.

A LONGSHORE CURRENT IS A LAKE CURRENT THAT MOVES PARALLEL TO
SHORE. LONGSHORE CURRENTS CAN BE STRONG ENOUGH TO PREVENT
SWIMMERS FROM BEING ABLE TO KEEP THEIR FEET ON THE BOTTOM...
MAKING IT DIFFICULT TO RETURN TO SHORE.

RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY
FROM SHORE...WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN
SANDBARS. RIP CURRENTS CAN SWEEP YOU OUT LAKEWARD.

PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE
NEW BEACH HAZARDS STATEMENT...

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

&&

$$


WEATHER.GOV/GRANDRAPIDS
629 
WHUS43 KGRR 050114
CFWGRR

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
914 PM EDT SAT AUG 4 2012

MIZ037-043-051500-
/O.CON.KGRR.BH.S.0008.000000T0000Z-120806T0600Z/
MASON-OCEANA-
INCLUDING THE BEACHES OF...LAKE MICHIGAN RECREATION AREA...
LUDINGTON STATE PARK...STEARNS PARK...CHARLES MEARS STATE PARK...
SILVER LAKE STATE PARK...BENONA TOWNSHIP PARK...
CLAYBANKS TOWNSHIP PARK
914 PM EDT SAT AUG 4 2012

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH LATE SUNDAY
NIGHT...

* HIGH WAVE ACTION AND DANGEROUS SWIMMING CONDITIONS EXPECTED.

* STRONG STRUCTURAL CURRENTS...EXPECTED.

* STRONG LONGSHORE CURRENTS...EXPECTED.

* RIP CURRENTS...POSSIBLE.

* LOCATION...BEACHES FROM WHITEHALL TO MANISTEE.

  BEACHES WITH PARTICULARLY DANGEROUS CONDITIONS ON SUNDAY WITH
  NORTH FLOW INCLUDE...

  MEARS STATE PARK IN PENTWATER... STERNS PARK IN LUDINGTON.

* OVERVIEW/POTENTIAL IMPACTS...WINDS WILL BECOME NORTHWEST BY
  DAYBREAK SUNDAY MORNING AND INCREASE TO 15 TO 25 KNOTS. WAVES OF
  4 TO 6 FEET ARE EXPECTED SUNDAY. THE HAZARDOUS SWIMMING
  CONDITIONS WILL THEN TRANSITION TO LONGSHORE CURRENTS COMING
  FROM THE NORTH...AND STRUCTURAL CURRENTS WILL THEN DEVELOP ON
  THE NORTH SIDE OF STRUCTURES. RIP CURRENTS WILL BE POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE SURE OF YOUR SWIMMING ABILITY. CHILDREN SHOULD NOT ENTER THE
WATER UNSUPERVISED AND WITHOUT A CERTIFIED FLOTATION DEVICE.
CAUTION SHOULD BE USED WHEN IN OR NEAR THE WATER. PAY ATTENTION
TO FLAGS AND SIGNS POSTED NEAR BEACH ACCESS POINTS AND LIFEGUARD
STATIONS.

HIGH WAVE ACTION ALONE CAN MAKE SWIMMING DIFFICULT ON DAYS SUCH
AS THIS. INCOMING WAVES IN RAPID SUCCESSION CAN TIRE A SWIMMER
QUICKLY.

STRUCTURAL CURRENTS FORM ALONG PIERS WHERE LONGSHORE CURRENTS AND
WAVE ACTION FLOW INTO THE STRUCTURE. STRUCTURAL CURRENTS CAN
SWEEP YOU OUT LAKEWARD ALONG THE PIER STRUCTURE.

A LONGSHORE CURRENT IS A LAKE CURRENT THAT MOVES PARALLEL TO
SHORE. LONGSHORE CURRENTS CAN BE STRONG ENOUGH TO PREVENT
SWIMMERS FROM BEING ABLE TO KEEP THEIR FEET ON THE BOTTOM...
MAKING IT DIFFICULT TO RETURN TO SHORE.

RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY
FROM SHORE...WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN
SANDBARS. RIP CURRENTS CAN SWEEP YOU OUT LAKEWARD.

PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE
NEW BEACH HAZARDS STATEMENT...

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

&&

$$

MIZ050-056-064-071-051500-
/O.CON.KGRR.BH.S.0008.120805T0900Z-120806T0600Z/
MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
INCLUDING THE BEACHES OF...MUSKEGON STATE PARK...
PJ HOFFMASTER STATE PARK...DUCK LAKE STATE PARK...
PERE MARQUETTE PARK...MEINERT PARK...GRAND HAVEN STATE PARK...
KIRK PARK...TUNNEL PARK...HOLLAND STATE PARK...OVAL BEACH...
WEST SIDE PARK...SAUGATUCK DUNES STATE PARK...DOUGLAS BEACH...
NORTH BEACH...SOUTH BEACH...VAN BUREN STATE PARK
914 PM EDT SAT AUG 4 2012

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 5 AM EDT SUNDAY
THROUGH LATE SUNDAY NIGHT...

* HIGH WAVE ACTION AND DANGEROUS SWIMMING CONDITIONS EXPECTED.

* STRONG STRUCTURAL CURRENTS...EXPECTED.

* STRONG LONGSHORE CURRENTS...EXPECTED.

* RIP CURRENTS...POSSIBLE.

* LOCATION...BEACHES FROM ST. JOSEPH TO WHITEHALL. BEACHES WITH 
  PARTICULARLY DANGEROUS CONDITIONS SUNDAY INCLUDE... 

  NORTH BEACH IN SOUTH HAVEN... HOLLAND STATE PARK... MUSKEGON  
  STATE PARK...

* OVERVIEW/POTENTIAL IMPACTS...WINDS AND WAVES WILL INCREASE LATE
  TONIGHT AND BECOME NORTHWEST 15 TO 25 KNOTS BY SUNDAY MORNING.
  WAVES WILL BUILD TO 4 TO 7 FEET SUNDAY MORNING. THESE CONDITIONS
  WILL CREATE HAZARDOUS LONGSHORE CURRENTS AND STRUCTURAL CURRENTS
  ON THE NORTH SIDE OF STRUCTURES ON SUNDAY. RIP CURRENTS WILL BE
  POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE SURE OF YOUR SWIMMING ABILITY. CHILDREN SHOULD NOT ENTER THE
WATER UNSUPERVISED AND WITHOUT A CERTIFIED FLOTATION DEVICE.
CAUTION SHOULD BE USED WHEN IN OR NEAR THE WATER. PAY ATTENTION
TO FLAGS AND SIGNS POSTED NEAR BEACH ACCESS POINTS AND LIFEGUARD
STATIONS.

HIGH WAVE ACTION ALONE CAN MAKE SWIMMING DIFFICULT ON DAYS SUCH
AS THIS. INCOMING WAVES IN RAPID SUCCESSION CAN TIRE A SWIMMER
QUICKLY.

STRUCTURAL CURRENTS FORM ALONG PIERS WHERE LONGSHORE CURRENTS AND
WAVE ACTION FLOW INTO THE STRUCTURE. STRUCTURAL CURRENTS CAN
SWEEP YOU OUT LAKEWARD ALONG THE PIER STRUCTURE.

A LONGSHORE CURRENT IS A LAKE CURRENT THAT MOVES PARALLEL TO
SHORE. LONGSHORE CURRENTS CAN BE STRONG ENOUGH TO PREVENT
SWIMMERS FROM BEING ABLE TO KEEP THEIR FEET ON THE BOTTOM...
MAKING IT DIFFICULT TO RETURN TO SHORE.

RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY
FROM SHORE...WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN
SANDBARS. RIP CURRENTS CAN SWEEP YOU OUT LAKEWARD.

PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE
NEW BEACH HAZARDS STATEMENT...

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

&&

$$

NJJ

WEATHER.GOV/GRR
644 
WHUS43 KGRR 051534
CFWGRR

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1134 AM EDT SUN AUG 5 2012

MIZ037-043-052345-
/O.CON.KGRR.BH.S.0008.000000T0000Z-120806T0600Z/
MASON-OCEANA-
INCLUDING THE BEACHES OF...LAKE MICHIGAN RECREATION AREA...
LUDINGTON STATE PARK...STEARNS PARK...CHARLES MEARS STATE PARK...
SILVER LAKE STATE PARK...BENONA TOWNSHIP PARK...
CLAYBANKS TOWNSHIP PARK
1134 AM EDT SUN AUG 5 2012

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH LATE
TONIGHT...

* HIGH WAVE ACTION AND DANGEROUS SWIMMING CONDITIONS EXPECTED.

* STRONG STRUCTURAL CURRENTS...EXPECTED.

* STRONG LONGSHORE CURRENTS...EXPECTED.

* RIP CURRENTS...POSSIBLE.

* LOCATION...BEACHES FROM WHITEHALL TO MANISTEE.

 BEACHES WITH PARTICULARLY DANGEROUS CONDITIONS TODAY IN NORTH
 FLOW INCLUDE...

 MEARS STATE PARK IN PENTWATER... STERNS PARK IN LUDINGTON.

* OVERVIEW/POTENTIAL IMPACTS...NORTHWEST WINDS OF 15 TO 25 MPH
  TODAY WILL BUILD WAVES INTO THE 4 TO 7 FOOT RANGE. THE WINDS
  WILL PEAK IN THE EARLY TO MID AFTERNOON HOURS AND THEN SLOWLY
  DIMINISH THROUGH THE EVENING. THE WAVES ALONE WILL PRESENT
  HAZARDOUS SWIMMING CONDITIONS. LONGSHORE CURRENTS ARE EXPECTED
  AS THE NORTHWEST WINDS SWEEP DOWN THE BEACH FROM NORTH TO SOUTH.
  WHERE LONGSHORE CURRENT INTERSECT PIERS...STRUCTURAL CURRENTS
  ARE ANTICIPATED ON THE NORTH SIDES. RIP CURRENTS WILL BE
  POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE SURE OF YOUR SWIMMING ABILITY. CHILDREN SHOULD NOT ENTER THE
WATER UNSUPERVISED AND WITHOUT A CERTIFIED FLOTATION DEVICE.
CAUTION SHOULD BE USED WHEN IN OR NEAR THE WATER. PAY ATTENTION
TO FLAGS AND SIGNS POSTED NEAR BEACH ACCESS POINTS AND LIFEGUARD
STATIONS.

HIGH WAVE ACTION ALONE CAN MAKE SWIMMING DIFFICULT ON DAYS SUCH
AS THIS. INCOMING WAVES IN RAPID SUCCESSION CAN TIRE A SWIMMER
QUICKLY.

STRUCTURAL CURRENTS FORM ALONG PIERS WHERE LONGSHORE CURRENTS AND
WAVE ACTION FLOW INTO THE STRUCTURE. STRUCTURAL CURRENTS CAN
SWEEP YOU OUT LAKEWARD ALONG THE PIER STRUCTURE.

A LONGSHORE CURRENT IS A LAKE CURRENT THAT MOVES PARALLEL TO
SHORE. LONGSHORE CURRENTS CAN BE STRONG ENOUGH TO PREVENT
SWIMMERS FROM BEING ABLE TO KEEP THEIR FEET ON THE BOTTOM...
MAKING IT DIFFICULT TO RETURN TO SHORE.

RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY
FROM SHORE...WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN
SANDBARS. RIP CURRENTS CAN SWEEP YOU OUT LAKEWARD.

PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE
NEW BEACH HAZARDS STATEMENT...

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

&&

$$

MIZ050-056-064-071-052345-
/O.CON.KGRR.BH.S.0008.000000T0000Z-120806T0600Z/
MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
INCLUDING THE BEACHES OF...MUSKEGON STATE PARK...
PJ HOFFMASTER STATE PARK...DUCK LAKE STATE PARK...
PERE MARQUETTE PARK...MEINERT PARK...GRAND HAVEN STATE PARK...
KIRK PARK...TUNNEL PARK...HOLLAND STATE PARK...OVAL BEACH...
WEST SIDE PARK...SAUGATUCK DUNES STATE PARK...DOUGLAS BEACH...
NORTH BEACH...SOUTH BEACH...VAN BUREN STATE PARK
1134 AM EDT SUN AUG 5 2012

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH LATE
TONIGHT...

* HIGH WAVE ACTION AND DANGEROUS SWIMMING CONDITIONS EXPECTED.

* STRONG STRUCTURAL CURRENTS...EXPECTED.

* STRONG LONGSHORE CURRENTS...EXPECTED.

* RIP CURRENTS...POSSIBLE.

* LOCATION...BEACHES FROM ST. JOSEPH TO WHITEHALL. 

  BEACHES WITH PARTICULARLY DANGEROUS CONDITIONS TODAY IN NORTH
  FLOW INCLUDE...

  NORTH BEACH IN SOUTH HAVEN... HOLLAND STATE PARK... MUSKEGON  
  STATE PARK...

* OVERVIEW/POTENTIAL IMPACTS...NORTHWEST WINDS OF 15 TO 25 MPH
  TODAY WILL BUILD WAVES INTO THE 4 TO 7 FOOT RANGE. THE WINDS
  WILL PEAK IN THE EARLY TO MID AFTERNOON HOURS AND THEN SLOWLY
  DIMINISH THROUGH THE EVENING. THE WAVES ALONE WILL PRESENT
  HAZARDOUS SWIMMING CONDITIONS. LONGSHORE CURRENTS ARE EXPECTED
  AS THE NORTHWEST WINDS SWEEP DOWN THE BEACH FROM NORTH TO SOUTH.
  WHERE LONGSHORE CURRENT INTERSECT PIERS...STRUCTURAL CURRENTS
  ARE ANTICIPATED ON THE NORTH SIDES. RIP CURRENTS WILL BE
  POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE SURE OF YOUR SWIMMING ABILITY. CHILDREN SHOULD NOT ENTER THE
WATER UNSUPERVISED AND WITHOUT A CERTIFIED FLOTATION DEVICE.
CAUTION SHOULD BE USED WHEN IN OR NEAR THE WATER. PAY ATTENTION
TO FLAGS AND SIGNS POSTED NEAR BEACH ACCESS POINTS AND LIFEGUARD
STATIONS.

HIGH WAVE ACTION ALONE CAN MAKE SWIMMING DIFFICULT ON DAYS SUCH
AS THIS. INCOMING WAVES IN RAPID SUCCESSION CAN TIRE A SWIMMER
QUICKLY.

STRUCTURAL CURRENTS FORM ALONG PIERS WHERE LONGSHORE CURRENTS AND
WAVE ACTION FLOW INTO THE STRUCTURE. STRUCTURAL CURRENTS CAN
SWEEP YOU OUT LAKEWARD ALONG THE PIER STRUCTURE.

A LONGSHORE CURRENT IS A LAKE CURRENT THAT MOVES PARALLEL TO
SHORE. LONGSHORE CURRENTS CAN BE STRONG ENOUGH TO PREVENT
SWIMMERS FROM BEING ABLE TO KEEP THEIR FEET ON THE BOTTOM...
MAKING IT DIFFICULT TO RETURN TO SHORE.

RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY
FROM SHORE...WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN
SANDBARS. RIP CURRENTS CAN SWEEP YOU OUT LAKEWARD.

PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE
NEW BEACH HAZARDS STATEMENT...

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

&&

$$

WEATHER.GOV/GRR

DUKE
352 
WHUS43 KGRR 051954
CFWGRR

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
354 PM EDT SUN AUG 5 2012

MIZ037-043-060400-
/O.CON.KGRR.BH.S.0008.000000T0000Z-120806T0600Z/
MASON-OCEANA-
INCLUDING THE BEACHES OF...LAKE MICHIGAN RECREATION AREA...
LUDINGTON STATE PARK...STEARNS PARK...CHARLES MEARS STATE PARK...
SILVER LAKE STATE PARK...BENONA TOWNSHIP PARK...
CLAYBANKS TOWNSHIP PARK
354 PM EDT SUN AUG 5 2012

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 2 AM EDT
MONDAY...

* HIGH WAVE ACTION AND DANGEROUS SWIMMING CONDITIONS EXPECTED.

* STRONG STRUCTURAL CURRENTS...EXPECTED.

* STRONG LONGSHORE CURRENTS...EXPECTED.

* RIP CURRENTS...POSSIBLE.

* LOCATION...BEACHES FROM WHITEHALL TO MANISTEE.

  BEACHES WITH PARTICULARLY DANGEROUS CONDITIONS IN NORTH FLOW
  INCLUDE...

  MEARS STATE PARK IN PENTWATER... STERNS PARK IN LUDINGTON.

* OVERVIEW/POTENTIAL IMPACTS...NORTHWEST WINDS OF 15 TO 25 MPH
  LATE THIS AFTERNOON WILL SUBSIDE TO 5 T0 15 KNOTS SHORTLY AFTER
  SUNSET. WAVES OF 4 TO 6 FEET CAN BE EXPECTED THROUGH 800
  PM...GRADUALLY SUBSIDING AFTER SUNSET. THE WAVES ALONE WILL
  PRESENT HAZARDOUS SWIMMING CONDITIONS. LONGSHORE CURRENTS ARE
  EXPECTED AS THE NORTHWEST WINDS SWEEP DOWN THE BEACH FROM NORTH
  TO SOUTH. WHERE LONGSHORE CURRENT INTERSECT PIERS...STRUCTURAL
  CURRENTS ARE ANTICIPATED ON THE NORTH SIDES. RIP CURRENTS WILL
  BE POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE SURE OF YOUR SWIMMING ABILITY. CHILDREN SHOULD NOT ENTER THE
WATER UNSUPERVISED AND WITHOUT A CERTIFIED FLOTATION DEVICE.
CAUTION SHOULD BE USED WHEN IN OR NEAR THE WATER. PAY ATTENTION
TO FLAGS AND SIGNS POSTED NEAR BEACH ACCESS POINTS AND LIFEGUARD
STATIONS.

HIGH WAVE ACTION ALONE CAN MAKE SWIMMING DIFFICULT ON DAYS SUCH
AS THIS. INCOMING WAVES IN RAPID SUCCESSION CAN TIRE A SWIMMER
QUICKLY.

STRUCTURAL CURRENTS FORM ALONG PIERS WHERE LONGSHORE CURRENTS AND
WAVE ACTION FLOW INTO THE STRUCTURE. STRUCTURAL CURRENTS CAN
SWEEP YOU OUT LAKEWARD ALONG THE PIER STRUCTURE.

A LONGSHORE CURRENT IS A LAKE CURRENT THAT MOVES PARALLEL TO
SHORE. LONGSHORE CURRENTS CAN BE STRONG ENOUGH TO PREVENT
SWIMMERS FROM BEING ABLE TO KEEP THEIR FEET ON THE BOTTOM...
MAKING IT DIFFICULT TO RETURN TO SHORE.

RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY
FROM SHORE...WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN
SANDBARS. RIP CURRENTS CAN SWEEP YOU OUT LAKEWARD.

PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE
NEW BEACH HAZARDS STATEMENT...

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

&&

$$

MIZ050-056-064-071-060400-
/O.CON.KGRR.BH.S.0008.000000T0000Z-120806T0600Z/
MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
INCLUDING THE BEACHES OF...MUSKEGON STATE PARK...
PJ HOFFMASTER STATE PARK...DUCK LAKE STATE PARK...
PERE MARQUETTE PARK...MEINERT PARK...GRAND HAVEN STATE PARK...
KIRK PARK...TUNNEL PARK...HOLLAND STATE PARK...OVAL BEACH...
WEST SIDE PARK...SAUGATUCK DUNES STATE PARK...DOUGLAS BEACH...
NORTH BEACH...SOUTH BEACH...VAN BUREN STATE PARK
354 PM EDT SUN AUG 5 2012

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 2 AM EDT
MONDAY...

* HIGH WAVE ACTION AND DANGEROUS SWIMMING CONDITIONS EXPECTED.

* STRONG STRUCTURAL CURRENTS...EXPECTED.

* STRONG LONGSHORE CURRENTS...EXPECTED.

* RIP CURRENTS...POSSIBLE.

* LOCATION...BEACHES FROM ST. JOSEPH TO WHITEHALL.

  BEACHES WITH PARTICULARLY DANGEROUS CONDITIONS IN NORTH FLOW
  INCLUDE...

  NORTH BEACH IN SOUTH HAVEN... HOLLAND STATE PARK... MUSKEGON  
  STATE PARK...

* OVERVIEW/POTENTIAL IMPACTS...NORTHWEST WINDS OF 15 TO 25 MPH
  LATE THIS AFTERNOON WILL SUBSIDE TO 5 T0 15 KNOTS SHORTLY AFTER
  SUNSET. WAVES OF 4 TO 6 FEET CAN BE EXPECTED THROUGH 800
  PM...GRADUALLY SUBSIDING AFTER SUNSET. THE WAVES ALONE WILL
  PRESENT HAZARDOUS SWIMMING CONDITIONS. LONGSHORE CURRENTS ARE
  EXPECTED AS THE NORTHWEST WINDS SWEEP DOWN THE BEACH FROM NORTH
  TO SOUTH. WHERE LONGSHORE CURRENT INTERSECT PIERS...STRUCTURAL
  CURRENTS ARE ANTICIPATED ON THE NORTH SIDES. RIP CURRENTS WILL
  BE POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE SURE OF YOUR SWIMMING ABILITY. CHILDREN SHOULD NOT ENTER THE
WATER UNSUPERVISED AND WITHOUT A CERTIFIED FLOTATION DEVICE.
CAUTION SHOULD BE USED WHEN IN OR NEAR THE WATER. PAY ATTENTION
TO FLAGS AND SIGNS POSTED NEAR BEACH ACCESS POINTS AND LIFEGUARD
STATIONS.

HIGH WAVE ACTION ALONE CAN MAKE SWIMMING DIFFICULT ON DAYS SUCH
AS THIS. INCOMING WAVES IN RAPID SUCCESSION CAN TIRE A SWIMMER
QUICKLY.

STRUCTURAL CURRENTS FORM ALONG PIERS WHERE LONGSHORE CURRENTS AND
WAVE ACTION FLOW INTO THE STRUCTURE. STRUCTURAL CURRENTS CAN
SWEEP YOU OUT LAKEWARD ALONG THE PIER STRUCTURE.

A LONGSHORE CURRENT IS A LAKE CURRENT THAT MOVES PARALLEL TO
SHORE. LONGSHORE CURRENTS CAN BE STRONG ENOUGH TO PREVENT
SWIMMERS FROM BEING ABLE TO KEEP THEIR FEET ON THE BOTTOM...
MAKING IT DIFFICULT TO RETURN TO SHORE.

RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY
FROM SHORE...WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN
SANDBARS. RIP CURRENTS CAN SWEEP YOU OUT LAKEWARD.

PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE
NEW BEACH HAZARDS STATEMENT...

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

&&

$$

WEATHER.GOV/GRR

DUKE
689 
WHUS43 KGRR 060129
CFWGRR

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
929 PM EDT SUN AUG 5 2012

MIZ037-043-050-056-064-071-060230-
/O.CAN.KGRR.BH.S.0008.000000T0000Z-120806T0600Z/
MASON-OCEANA-MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
INCLUDING THE BEACHES OF...LAKE MICHIGAN RECREATION AREA...
LUDINGTON STATE PARK...STEARNS PARK...CHARLES MEARS STATE PARK...
SILVER LAKE STATE PARK...BENONA TOWNSHIP PARK...
CLAYBANKS TOWNSHIP PARK...MUSKEGON STATE PARK...
PJ HOFFMASTER STATE PARK...DUCK LAKE STATE PARK...
PERE MARQUETTE PARK...MEINERT PARK...GRAND HAVEN STATE PARK...
KIRK PARK...TUNNEL PARK...HOLLAND STATE PARK...OVAL BEACH...
WEST SIDE PARK...SAUGATUCK DUNES STATE PARK...DOUGLAS BEACH...
NORTH BEACH...SOUTH BEACH...VAN BUREN STATE PARK
929 PM EDT SUN AUG 5 2012

...BEACH HAZARDS STATEMENT IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS CANCELLED THE
BEACH HAZARDS STATEMENT. 

WAVES ARE STEADILY SUBSIDING THIS EVENING ACROSS THE ENTIRE
AREA...AND WILL CONTINUE TO DO SO THROUGH THE NIGHT. 

$$

NJJ

WEATHER.GOV/GRR

The office that day

Everything else NWS Grand Rapids, MI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 4, 4:08 AM EDTSmall Craft AdvisoryGRR42 hr
Aug 4, 5:31 PM EDTSpecial Marine WarningGRR119 min
Aug 4, 6:57 PM EDTSevere Thunderstorm WarningGRRKalamazoo, Van Buren38 min
Aug 4, 7:21 PM EDTSpecial Marine WarningGRR29 min
Aug 4, 7:39 PM EDTSpecial Weather StatementGRRAllegan, Barry, Calhoun, Kalamazoo, Van Buren111 min

Nearby

Beach Hazards Statements in Michigan, 2012Every beach hazards statement in 2012

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.