Alert archive / Michigan / Beach Hazards Statements in 2021

Beach Hazards Statement 2, NWS Grand Rapids, MI

June 14, 2021Allegan County, Ottawa County, Van Buren County, Michigan

NWS Grand Rapids, MI issued this beach hazards statement at Jun 14, 2021, 4:50 AM EDT for Allegan County, Ottawa County, Van Buren County, Michigan. It took effect at Jun 14, 2021, 2:00 PM EDT. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Jun 14, 2021, 4:50 AM EDT (08:50 UTC)
In effect from
Jun 14, 2021, 2:00 PM EDT
Expired
Jun 14, 2021, 6:50 PM EDT
In force
5 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 08:54 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, 8.8 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 2021-06-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 37 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, Detroit, MI at 00:00Z on 2021-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 7 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
37 J/kg
Mixed-layer CIN
-270 J/kg
Mixed-layer LCL
1802 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
7 m²/s²
0-3 km storm-relative helicity
39 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted.

953 
WHUS43 KGRR 140850
CFWGRR

Coastal Hazard Message
National Weather Service Grand Rapids MI
450 AM EDT Mon Jun 14 2021

MIZ056-064-071-141700-
/O.NEW.KGRR.BH.S.0002.210614T1800Z-210615T0200Z/
Ottawa-Allegan-Van Buren-
450 AM EDT Mon Jun 14 2021

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

* WHAT...High wave action, 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...North winds will increase this afternoon
  and evening into the 15 to 30 mph range. Waves will
  correspondingly build to 3 to 5 feet. Beaches located on the
  north sides of north piers will be the most dangerous today,
  including Holland State Park and North Beach in South Haven.

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.

&&

$$

DUKE
3 follow-up statements
459 
WHUS43 KGRR 141444
CFWGRR

Coastal Hazard Message
National Weather Service Grand Rapids MI
1044 AM EDT Mon Jun 14 2021

MIZ056-064-071-142245-
/O.CON.KGRR.BH.S.0002.210614T1800Z-210615T0200Z/
Ottawa-Allegan-Van Buren-
1044 AM EDT Mon Jun 14 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 2 PM THIS
AFTERNOON TO 10 PM EDT THIS EVENING...

* WHAT...High wave action, 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...North winds will increase this afternoon 
  and evening into the 15 to 30 mph range. Waves will 
  correspondingly build to 3 to 5 feet. Beaches located on the 
  north sides of north piers will be the most dangerous today, 
  including Holland State Park and North Beach in South Haven.

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.

&&

$$
493 
WHUS43 KGRR 141936
CFWGRR

Coastal Hazard Message
National Weather Service Grand Rapids MI
336 PM EDT Mon Jun 14 2021

MIZ056-064-071-150200-
/O.CON.KGRR.BH.S.0002.000000T0000Z-210615T0200Z/
Ottawa-Allegan-Van Buren-
336 PM EDT Mon Jun 14 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

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

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

* WHEN...Through this evening.

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

* ADDITIONAL DETAILS...North winds will increase this evening into
  the 15 to 30 mph range. Waves will correspondingly build to 3 to
  5 feet. Beaches located on the north sides of north piers will
  be the most dangerous this evening, including Holland State 
  Park and North Beach in South Haven.

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.

&&

$$
063 
WHUS43 KGRR 142250
CFWGRR

Coastal Hazard Message
National Weather Service Grand Rapids MI
650 PM EDT Mon Jun 14 2021

MIZ056-064-071-150000-
/O.CAN.KGRR.BH.S.0002.000000T0000Z-210615T0200Z/
Ottawa-Allegan-Van Buren-
650 PM EDT Mon Jun 14 2021

...BEACH HAZARDS STATEMENT IS CANCELLED...

Conditions have improved.

$$

wdm

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 13, 11:43 PM EDTSpecial Marine WarningGRR92 min
Jun 14, 12:50 AM EDTSpecial Marine WarningGRR56 min
Jun 14, 4:47 AM EDTSmall Craft AdvisoryGRR14 hr

Nearby

Beach Hazards Statements in Michigan, 2021Every beach hazards statement in 2021

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.