Alert archive / Michigan / Beach Hazards Statements in 2021

Beach Hazards Statement 28, NWS Marquette, MI

September 16, 2021Alger County, Schoolcraft County, Michigan

NWS Marquette, MI issued this beach hazards statement at Sep 16, 2021, 4:23 AM EDT for Alger County, Schoolcraft County, Michigan. It took effect at Sep 16, 2021, 12:00 PM EDT. It was in force for 33 hr.

The area

The counties it named.

The facts

Issued
Sep 16, 2021, 4:23 AM EDT (08:23 UTC)
In effect from
Sep 16, 2021, 12:00 PM EDT
Expired
Sep 17, 2021, 9:00 PM EDT
In force
33 hr
Issued by
NWS Marquette, MI

Counties Alger County, MI, Schoolcraft County, MI

The radar

The Marquette radar (KMQT), 96 km from the middle of the area, began a volume at 08:24 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 239 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 2021-09-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4 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, Green Bay/Straub, WI at 00:00Z on 2021-09-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 14 square meters per square second.193958Sfc1 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
4 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
1998 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
14 m²/s²
0-3 km storm-relative helicity
69 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

972 
WHUS43 KMQT 160823
CFWMQT

Coastal Hazard Message
National Weather Service Marquette MI
423 AM EDT Thu Sep 16 2021

MIZ014-172000-
/O.NEW.KMQT.BH.S.0028.210916T1600Z-210917T2000Z/
Southern Schoolcraft-
423 AM EDT Thu Sep 16 2021

...BEACH HAZARDS STATEMENT IN EFFECT FROM NOON EDT TODAY THROUGH
FRIDAY AFTERNOON...

* WHAT...Dangerous swimming conditions are expected due to high 
  wave action and strong rip currents.

* WHERE...Southern Schoolcraft County.

* WHEN...From noon EDT today through Friday afternoon.

* IMPACTS...High wave action and dangerous currents will lead to 
  life threatening swimming conditions. Waves in rapid 
  succession can tire swimmers quickly.

* ADDITIONAL DETAILS...Current related fatalities and rescues in 
  the past have occurred due to similar wave conditions at 
  locations listed below:

For Southern Schoolcraft County: Near Lakeview Park and Seul
Choix Point.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions.

&&

$$

Voss
1 follow-up statement
359 
WHUS43 KMQT 170831
CFWMQT

Coastal Hazard Message
National Weather Service Marquette MI
431 AM EDT Fri Sep 17 2021

MIZ006-180100-
/O.EXB.KMQT.BH.S.0028.210917T1900Z-210918T0100Z/
Alger-
431 AM EDT Fri Sep 17 2021

...BEACH HAZARDS STATEMENT IN EFFECT FROM 3 PM EDT THIS AFTERNOON
THROUGH THIS EVENING...

* WHAT...Dangerous swimming conditions are expected due to high 
  wave action and strong rip currents.

* WHERE...Alger County.

* WHEN...From 3 PM EDT this afternoon through this evening.

* IMPACTS...High wave action and dangerous currents will lead to 
  life threatening swimming conditions. Waves in rapid 
  succession can tire swimmers quickly.

* ADDITIONAL DETAILS...Current related fatalities and rescues in 
  the past have occurred due to similar wave conditions at 
  locations listed below:

For Alger County: The Au Train River mouth at Au Train, the
exposed regions of Grand Marais Harbor, and Pictured Rocks
National Lakeshore.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions.

&&

$$

MIZ014-172000-
/O.CON.KMQT.BH.S.0028.000000T0000Z-210917T2000Z/
Southern Schoolcraft-
431 AM EDT Fri Sep 17 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 4 PM EDT THIS
AFTERNOON...

* WHAT...Dangerous swimming conditions are expected due to high 
  wave action and strong rip currents.

* WHERE...Southern Schoolcraft County.

* WHEN...Until 4 PM EDT this afternoon.

* IMPACTS...High wave action and dangerous currents will lead to
  life threatening swimming conditions. Waves in rapid succession
  can tire swimmers quickly.

* ADDITIONAL DETAILS...Current related fatalities and rescues in 
  the past have occurred due to similar wave conditions at 
  locations listed below:

For Southern Schoolcraft County: Near Lakeview Park and Seul
Choix Point.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions.

&&

$$

BW

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 15, 10:25 PM EDTGale WarningMQT30 hr
Sep 16, 4:39 AM EDTSmall Craft AdvisoryMQT48 hr
Sep 16, 11:10 AM EDTSmall Craft AdvisoryMQT25 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.