Alert archive / Michigan / Beach Hazards Statements in 2021

Beach Hazards Statement 12, NWS Marquette, MI

August 1, 2021Alger County, Marquette County, Michigan

NWS Marquette, MI issued this beach hazards statement at Aug 1, 2021, 5:06 AM EDT for Alger County, Marquette County, Michigan. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued: Aug 1, 2021, 5:06 AM EDT (09:06 UTC)
Expired: Aug 1, 2021, 4:00 PM EDT
In force: 11 hr
Issued by: NWS Marquette, MI

Counties Alger County, MI, Marquette County, MI

The radar

The Marquette radar (KMQT), 37 km from the middle of the area, began a volume at 09:05 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, 9.1 hours before the alert went out and 245 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 53 J/kg
Mixed-layer CIN: -95 J/kg
Mixed-layer LCL: 1830 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 113 m²/s²
0-3 km storm-relative helicity: 135 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted.

510 
WHUS43 KMQT 010906
CFWMQT

Coastal Hazard Message
National Weather Service Marquette MI
506 AM EDT Sun Aug 1 2021

MIZ005-006-012000-
/O.NEW.KMQT.BH.S.0012.210801T0906Z-210801T2000Z/
Marquette-Alger-
506 AM EDT Sun Aug 1 2021

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

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

* WHERE...Marquette and Alger counties.

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

For Marquette County: Middle Bay north of Presque Isle and at
Little Presque Isle.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions.

&&

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 31, 8:07 PM EDT	Special Weather Statement	MQT	Marquette	23 min
Jul 31, 8:26 PM EDT	Special Weather Statement	MQT	Marquette	34 min
Jul 31, 8:42 PM EDT	Special Weather Statement	MQT	Alger	33 min
Aug 1, 5:18 AM EDT	Small Craft Advisory	MQT		4 hr

Nearby

Beach Hazards Statements in Michigan, 2021 Every 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.