Alert archive / Michigan / Beach Hazards Statements in 2020

Beach Hazards Statement 4, NWS Grand Rapids, MI

June 12, 2020Allegan County, Van Buren County, Michigan

NWS Grand Rapids, MI issued this beach hazards statement at Jun 12, 2020, 10:04 AM EDT for Allegan County, Van Buren County, Michigan. It took effect at Jun 12, 2020, 2:00 PM EDT. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Jun 12, 2020, 10:04 AM EDT (14:04 UTC)
In effect from
Jun 12, 2020, 2:00 PM EDT
Expired
Jun 13, 2020, 2:18 AM EDT
In force
12 hr
Issued by
NWS Grand Rapids, MI

Counties Allegan County, MI, Van Buren County, MI

The radar

The Grand Rapids radar (KGRR), 72 km from the middle of the area, began a volume at 14:04 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

Detroit, MI (KDTX), launched 12:00Z, 2.1 hours before the alert went out and 222 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, Detroit, MI at 12:00Z on 2020-06-12Temperature 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, Detroit, MI at 12:00Z on 2020-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 56 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1030 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
56 m²/s²
0-3 km storm-relative helicity
131 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

766 
WHUS43 KGRR 121404
CFWGRR

Coastal Hazard Message
National Weather Service Grand Rapids MI
1004 AM EDT Fri Jun 12 2020

MIZ064-071-122215-
/O.NEW.KGRR.BH.S.0004.200612T1800Z-200613T1200Z/
Allegan-Van Buren-
1004 AM EDT Fri Jun 12 2020

...BEACH HAZARDS STATEMENT IN EFFECT FROM 2 PM EDT THIS AFTERNOON
THROUGH SATURDAY MORNING...

* WHAT...High wave action, strong currents, and dangerous 
  swimming conditions expected. Piers may be heavily swamped by 
  waves.

* WHERE...Allegan and Van Buren counties.

* WHEN...From 2 PM EDT this afternoon through Saturday morning.

* IMPACTS...Strong currents can pull swimmers into deeper water 
  and high waves can sweep people off piers.

* ADDITIONAL DETAILS...The most dangerous conditions will be late
  this afternoon into early tonight. The north sides of piers will
  be the most dangerous with this event.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions
and do not venture out on piers. Please check with your local
authorities on potential beach closures.

&&

$$

wdm
3 follow-up statements
885 
WHUS43 KGRR 121959
CFWGRR

Coastal Hazard Message
National Weather Service Grand Rapids MI
359 PM EDT Fri Jun 12 2020

MIZ064-071-130400-
/O.CON.KGRR.BH.S.0004.000000T0000Z-200613T1200Z/
Allegan-Van Buren-
359 PM EDT Fri Jun 12 2020

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH SATURDAY
MORNING...

* WHAT...High wave action, strong currents, and dangerous 
  swimming conditions expected. Piers may be heavily swamped by 
  waves.

* WHERE...Allegan and Van Buren counties.

* WHEN...From 2 PM EDT this afternoon through Saturday morning.

* IMPACTS...Strong currents can pull swimmers into deeper water 
  and high waves can sweep people off piers.

* ADDITIONAL DETAILS...The most dangerous conditions will be late
  this afternoon into early tonight. The north sides of piers will
  be the most dangerous with this event.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions
and do not venture out on piers. Please check with your local
authorities on potential beach closures.

&&

$$
582 
WHUS43 KGRR 130219
CFWGRR

Coastal Hazard Message
National Weather Service Grand Rapids MI
1019 PM EDT Fri Jun 12 2020

MIZ064-071-131030-
/O.CON.KGRR.BH.S.0004.000000T0000Z-200613T1200Z/
Allegan-Van Buren-
1019 PM EDT Fri Jun 12 2020

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 8 AM EDT
SATURDAY...

* WHAT...High wave action, strong currents, and dangerous 
  swimming conditions expected. Piers may be heavily swamped by 
  waves.

* WHERE...Allegan and Van Buren counties.

* WHEN...Until 8 AM EDT Saturday.

* IMPACTS...Strong currents can pull swimmers into deeper water 
  and high waves can sweep people off piers.

* ADDITIONAL DETAILS...The north sides of piers will be the most 
  dangerous with this event.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions
and do not venture out on piers. Please check with your local
authorities on potential beach closures.

&&

$$
654 
WHUS43 KGRR 130618
CFWGRR

Coastal Hazard Message
National Weather Service Grand Rapids MI
218 AM EDT Sat Jun 13 2020

MIZ064-071-130730-
/O.CAN.KGRR.BH.S.0004.000000T0000Z-200613T1200Z/
Allegan-Van Buren-
218 AM EDT Sat Jun 13 2020

...BEACH HAZARDS STATEMENT IS CANCELLED...

Winds and waves have diminished and the Beach Hazards Statement is
cancelled.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 12, 10:02 AM EDTSmall Craft AdvisoryGRR16 hr

Nearby

Beach Hazards Statements in Michigan, 2020Every beach hazards statement in 2020

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.