Alert archive / Michigan / Beach Hazards Statements in 2021

Beach Hazards Statement 14, NWS Marquette, MI

August 9, 2021Schoolcraft County, Michigan

NWS Marquette, MI issued this beach hazards statement at Aug 9, 2021, 4:30 AM EDT for Schoolcraft County, Michigan. It took effect at Aug 9, 2021, 5:00 AM EDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Aug 9, 2021, 4:30 AM EDT (08:30 UTC)
In effect from
Aug 9, 2021, 5:00 AM EDT
Expired
Aug 9, 2021, 2:00 PM EDT
In force
9 hr
Issued by
NWS Marquette, MI

County Schoolcraft County, MI

The radar

The Marquette radar (KMQT), 119 km from the middle of the area, began a volume at 08:32 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, 8.5 hours before the alert went out and 230 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 2021-08-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 112 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°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 2021-08-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 36 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
112 J/kg
Mixed-layer CIN
-68 J/kg
Mixed-layer LCL
1106 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
36 m²/s²
0-3 km storm-relative helicity
16 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted.

870 
WHUS43 KMQT 090830
CFWMQT

Coastal Hazard Message
National Weather Service Marquette MI
430 AM EDT Mon Aug 9 2021

MIZ014-091800-
/O.NEW.KMQT.BH.S.0014.210809T0900Z-210809T1800Z/
Southern Schoolcraft-
430 AM EDT Mon Aug 9 2021

...BEACH HAZARDS STATEMENT IN EFFECT UNTIL 2 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 2 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.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 8, 8:46 PM EDTSpecial Weather StatementMQTMenominee29 min
Aug 9, 6:27 PM EDTMarine Dense Fog AdvisoryMQT26 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.