Alert archive / Michigan / Beach Hazards Statements in 2021

Beach Hazards Statement 15, NWS Marquette, MI

August 11, 2021Schoolcraft County, Michigan

NWS Marquette, MI issued this beach hazards statement at Aug 11, 2021, 3:29 AM EDT for Schoolcraft County, Michigan. It took effect at Aug 11, 2021, 12:00 PM EDT. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Aug 11, 2021, 3:29 AM EDT (07:29 UTC)
In effect from
Aug 11, 2021, 12:00 PM EDT
Expired
Aug 11, 2021, 10:00 PM EDT
In force
10 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 07:32 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

Alpena, MI (KAPX), launched 00:00Z, 7.5 hours before the alert went out and 313 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, Alpena, MI at 00:00Z on 2021-08-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 579 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, Alpena, MI at 00:00Z on 2021-08-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 65 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
579 J/kg
Mixed-layer CIN
-163 J/kg
Mixed-layer LCL
1058 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
65 m²/s²
0-3 km storm-relative helicity
80 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.8

Open this sounding in Storm Lab

The text

As transmitted.

446 
WHUS43 KMQT 110729
CFWMQT

Coastal Hazard Message
National Weather Service Marquette MI
329 AM EDT Wed Aug 11 2021

MIZ014-120200-
/O.NEW.KMQT.BH.S.0015.210811T1600Z-210812T0200Z/
Southern Schoolcraft-
329 AM EDT Wed Aug 11 2021

...BEACH HAZARDS STATEMENT IN EFFECT FROM NOON EDT TODAY THROUGH
THIS EVENING...

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions.

&&

$$

jp

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 10, 8:28 PM EDTSpecial Marine WarningMQT31 min
Aug 10, 8:31 PM EDTSpecial Weather StatementMQTMenominee29 min
Aug 10, 9:24 PM EDTSpecial Weather StatementMQTMenominee36 min
Aug 10, 9:37 PM EDTSmall Craft AdvisoryMQT8 hr
Aug 11, 4:03 AM EDTSmall Craft AdvisoryMQT22 hr
Aug 11, 2:43 PM EDTSpecial Marine WarningMQT47 min
Aug 11, 2:52 PM EDTSpecial Weather StatementMQTDelta23 min
Aug 11, 5:27 PM EDTSmall Craft AdvisoryMQT33 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.