Alert archive / Michigan / Beach Hazards Statements in 2020

Beach Hazards Statement 2, NWS Grand Rapids, MI

June 6, 2020Allegan County, Ottawa County, Van Buren County, Michigan

NWS Grand Rapids, MI issued this beach hazards statement at Jun 6, 2020, 3:45 AM EDT for Allegan County, Ottawa County, Van Buren County, Michigan. It took effect at Jun 6, 2020, 2:00 PM EDT. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Jun 6, 2020, 3:45 AM EDT (07:45 UTC)
In effect from
Jun 6, 2020, 2:00 PM EDT
Expired
Jun 6, 2020, 9:13 PM EDT
In force
7 hr
Issued by
NWS Grand Rapids, MI

Counties Allegan County, MI, Ottawa County, MI, Van Buren County, MI

The radar

The Grand Rapids radar (KGRR), 58 km from the middle of the area, began a volume at 07:48 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 00:00Z, 7.8 hours before the alert went out and 221 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 00:00Z on 2020-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 908 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 2020-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 87 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
908 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
1414 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
87 m²/s²
0-3 km storm-relative helicity
171 m²/s²
Significant tornado parameter
0.3
Supercell composite
3.7

Open this sounding in Storm Lab

The text

As transmitted.

235 
WHUS43 KGRR 060745
CFWGRR

Coastal Hazard Message
National Weather Service Grand Rapids MI
345 AM EDT Sat Jun 6 2020

MIZ056-064-071-061545-
/O.NEW.KGRR.BH.S.0002.200606T1800Z-200607T0300Z/
Ottawa-Allegan-Van Buren-
345 AM EDT Sat Jun 6 2020

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

* WHAT...High wave action, upwards of 4 feet, strong currents, 
  and dangerous swimming conditions expected. Piers may be heavily
  swamped by waves.

* WHERE...Ottawa, Allegan and Van Buren counties.

* WHEN...From 2 PM EDT this afternoon through this evening.

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

* ADDITIONAL DETAILS..Beaches with particularly dangerous
  conditions this afternoon and evening include North Beach in 
  South Haven and Holland State Park.


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.

&&

$$
3 follow-up statements
860 
WHUS43 KGRR 061620
CFWGRR

Coastal Hazard Message
National Weather Service Grand Rapids MI
1220 PM EDT Sat Jun 6 2020

MIZ056-064-071-070030-
/O.CON.KGRR.BH.S.0002.200606T1800Z-200607T0300Z/
Ottawa-Allegan-Van Buren-
1220 PM EDT Sat Jun 6 2020

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 11 PM EDT THIS
EVENING...

* WHAT...High wave action, upwards of 4 feet, strong currents, 
  and dangerous swimming conditions expected. Piers may be 
  heavily swamped by waves.

* WHERE...Ottawa, Allegan and Van Buren counties.

* WHEN...From 2 PM EDT this afternoon through this evening.

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


* ADDITIONAL DETAILS..Beaches with particularly dangerous 
  conditions this afternoon and evening include North Beach in 
  South Haven and Holland State Park.

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.

&&

$$
090 
WHUS43 KGRR 061931
CFWGRR

Coastal Hazard Message
National Weather Service Grand Rapids MI
331 PM EDT Sat Jun 6 2020

MIZ056-064-071-070300-
/O.CON.KGRR.BH.S.0002.000000T0000Z-200607T0300Z/
Ottawa-Allegan-Van Buren-
331 PM EDT Sat Jun 6 2020

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 11 PM EDT THIS
EVENING...

* WHAT...High wave action, upwards of 4 feet, strong currents, 
  and dangerous swimming conditions expected. Piers may be 
  heavily swamped by waves.

* WHERE...Ottawa, Allegan and Van Buren counties.

* WHEN...From 2 PM EDT this afternoon through this evening.

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

* ADDITIONAL DETAILS..Beaches with particularly dangerous 
  conditions this afternoon and evening include North Beach in 
  South Haven and Holland State Park.

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.

&&

$$
756 
WHUS43 KGRR 070113
CFWGRR

Coastal Hazard Message
National Weather Service Grand Rapids MI
913 PM EDT Sat Jun 6 2020

MIZ056-064-071-070215-
/O.CAN.KGRR.BH.S.0002.000000T0000Z-200607T0300Z/
Ottawa-Allegan-Van Buren-
913 PM EDT Sat Jun 6 2020

...BEACH HAZARDS STATEMENT IS CANCELLED...

Winds and waves have diminished to safe height.

$$

wdm

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 6, 3:42 AM EDTSmall Craft AdvisoryGRR18 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.