Alert archive / Michigan / Beach Hazards Statements in 2018

Beach Hazards Statement 3, NWS Detroit, MI

June 13, 2018Huron County, Michigan

NWS Detroit, MI issued this beach hazards statement at Jun 13, 2018, 11:30 AM EDT for Huron County, Michigan. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Jun 13, 2018, 11:30 AM EDT (15:30 UTC)
Expired
Jun 13, 2018, 8:00 PM EDT
In force
9 hr
Issued by
NWS Detroit, MI

County Huron County, MI

The radar

The Detroit radar (KDTX), 144 km from the middle of the area, began a volume at 15:30 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 12:00Z, 3.5 hours before the alert went out and 134 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 12:00Z on 2018-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1055 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 12:00Z on 2018-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 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
1055 J/kg
Mixed-layer CIN
-20 J/kg
Mixed-layer LCL
598 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
51 m²/s²
0-3 km storm-relative helicity
93 m²/s²
Significant tornado parameter
0.3
Supercell composite
2.1

Open this sounding in Storm Lab

The text

As transmitted.

366 
WHUS43 KDTX 131530
CFWDTX

URGENT - IMMEDIATE BROADCAST REQUESTED
Coastal Hazard Message
National Weather Service Detroit/Pontiac MI
1130 AM EDT Wed Jun 13 2018

...HAZARDOUS SWIM CONDITIONS INTO THIS EVENING...

MIZ049-140000-
/O.NEW.KDTX.BH.S.0003.180613T1530Z-180614T0000Z/
Huron-
1130 AM EDT Wed Jun 13 2018

...BEACH HAZARDS STATEMENT IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

The National Weather Service in Detroit/Pontiac has issued a
Beach Hazards Statement for dangerous swimming conditions, which
is in effect until 8 PM EDT this evening. 

* High wave action and dangerous swimming conditions expected.

* Strong Structural and Rip Currents...Expected.

* Location...Beaches from Caseville to Harbor Beach including...

  Caseville...Sand Point...Port Crescent State Park...
  Port Austin...Harbor Beach...

* Overview/Potential Impacts...Developing gusty west to
  northwesterly winds this afternoon and evening will lead to 
  elevated surf and high wave action conditions, along with the 
  potential for dangerous rip currents. Temperatures along the 
  immediate nearshore will reach into the mid 70s this afternoon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Children should not enter the water unsupervised and without a
certified flotation device. Caution should be used when in or
near the water. Pay attention to flags and signs posted near
beach access points and lifeguard stations. 

High wave action alone can make swimming difficult on days such
as this. Incoming waves in rapid succession can tire a swimmer
quickly.

To learn more about dangerous waves and currents please visit
dangerouscurrents.org

&&

$$

IRL
1 follow-up statement
955 
WHUS43 KDTX 131920
CFWDTX

URGENT - IMMEDIATE BROADCAST REQUESTED
Coastal Hazard Message
National Weather Service Detroit/Pontiac MI
320 PM EDT Wed Jun 13 2018

...HAZARDOUS SWIM CONDITIONS CONTINUE INTO THIS EVENING...

MIZ049-140000-
/O.CON.KDTX.BH.S.0003.000000T0000Z-180614T0000Z/
Huron-
320 PM EDT Wed Jun 13 2018

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

* High wave action and dangerous swimming conditions expected.

* Strong Structural and Rip Currents...Expected.

* Location...Beaches from Caseville to Harbor Beach including...

  Caseville...Sand Point...Port Crescent State Park...Port 
  Austin...Harbor Beach...

* Overview/Potential Impacts...Gusty west to northwesterly winds 
  this afternoon and evening will lead to elevated surf and high 
  wave action conditions, along with the potential for dangerous 
  rip currents. Temperatures along the immediate nearshore will 
  reach into the mid 70s this afternoon. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Children should not enter the water unsupervised and without a
certified flotation device. Caution should be used when in or
near the water. Pay attention to flags and signs posted near
beach access points and lifeguard stations.

High wave action alone can make swimming difficult on days such
as this. Incoming waves in rapid succession can tire a swimmer
quickly.

To learn more about dangerous waves and currents please visit
dangerouscurrents.org

&&

$$

IRL

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 13, 3:46 AM EDTSmall Craft AdvisoryDTX16 hr
Jun 13, 12:57 PM EDTSpecial Weather StatementDTXHuron48 min

Nearby

Beach Hazards Statements in Michigan, 2018Every beach hazards statement in 2018

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.