Alert archive / Michigan / Beach Hazards Statements in 2016

Beach Hazards Statement 13, NWS Detroit, MI

August 31, 2016Huron County, Saint Clair County, Sanilac County, Michigan

NWS Detroit, MI issued this beach hazards statement at Aug 31, 2016, 10:16 PM EDT for Huron County, Saint Clair County, Sanilac County, Michigan. It took effect at Sep 1, 2016, 8:00 AM EDT. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued
Aug 31, 2016, 10:16 PM EDT (02:16 UTC)
In effect from
Sep 1, 2016, 8:00 AM EDT
Expired
Sep 1, 2016, 10:00 PM EDT
In force
14 hr
Issued by
NWS Detroit, MI

Counties Huron County, MI, Saint Clair County, MI, Sanilac County, MI

The radar

The Detroit radar (KDTX), 101 km from the middle of the area, began a volume at 02:19 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

Detroit, MI (KDTX), launched 00:00Z, 2.3 hours before the alert went out and 98 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, Detroit, MI at 00:00Z on 2016-09-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Detroit, MI at 00:00Z on 2016-09-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -63 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1334 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
-63 m²/s²
0-3 km storm-relative helicity
14 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

633 
WHUS43 KDTX 010216
CFWDTX

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1016 PM EDT WED AUG 31 2016


MIZ049-055-063-011030-
/O.NEW.KDTX.BH.S.0013.160901T1200Z-160902T0200Z/
HURON-SANILAC-ST. CLAIR-
1016 PM EDT WED AUG 31 2016

...BEACH HAZARDS STATEMENT IN EFFECT FROM 8 AM EDT THURSDAY
THROUGH THURSDAY EVENING...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A
BEACH HAZARDS STATEMENT...WHICH IS IN EFFECT FROM 8 AM EDT
THURSDAY THROUGH THURSDAY EVENING. 

* HIGH WAVE ACTION AND DANGEROUS SWIMMING CONDITIONS EXPECTED.

* STRONG STRUCTURAL CURRENTS...EXPECTED.

* STRONG LONGSHORE CURRENTS...EXPECTED.

* LOCATION...BEACHES FROM CASEVILLE TO PORT HURON INCLUDING...

  CASEVILLE...SAND POINT...PORT CRESCENT STATE PARK...
  PORT AUSTIN...HARBOR BEACH...PORT SANILAC...LEXINGTON...
  BIRCH BEACH...LAKEPORT...FORT GRATIOT...PORT HURON...

* OVERVIEW/POTENTIAL IMPACTS...ELEVATED WAVE ACTION AND STRONG
  CURRENTS WILL PRODUCE DANGEROUS SWIMMING CONDITIONS ON AREA
  BEACHES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

STRUCTURAL CURRENTS FORM ALONG PIERS WHERE LONGSHORE CURRENTS AND
WAVE ACTION FLOW INTO THE STRUCTURE. STRUCTURAL CURRENTS CAN SWEEP
YOU OUT LAKEWARD ALONG THE PIER STRUCTURE.

TO LEARN MORE ABOUT DANGEROUS WAVES AND CURRENTS PLEASE VISIT
DANGEROUSCURRENTS.ORG (ALL LOWER CASE)

&&

$$
1 follow-up statement
848 
WHUS43 KDTX 010741
CFWDTX

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
341 AM EDT THU SEP 1 2016


MIZ049-055-063-020200-
/O.CON.KDTX.BH.S.0013.160901T1200Z-160902T0200Z/
HURON-SANILAC-ST. CLAIR-
341 AM EDT THU SEP 1 2016

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 8 AM EDT THIS
MORNING THROUGH THIS EVENING...

* HIGH WAVE ACTION AND DANGEROUS SWIMMING CONDITIONS EXPECTED.

* STRONG STRUCTURAL CURRENTS...EXPECTED.

* STRONG LONGSHORE CURRENTS...EXPECTED.

* LOCATION...BEACHES FROM CASEVILLE TO PORT HURON INCLUDING...

 CASEVILLE...SAND POINT...PORT CRESCENT STATE PARK...   PORT
AUSTIN...HARBOR BEACH...PORT SANILAC...LEXINGTON...   BIRCH
BEACH...LAKEPORT...FORT GRATIOT...PORT HURON...

* OVERVIEW/POTENTIAL IMPACTS...ELEVATED WAVE ACTION AND STRONG 
  CURRENTS WILL PRODUCE DANGEROUS SWIMMING CONDITIONS ON AREA 
  BEACHES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

STRUCTURAL CURRENTS FORM ALONG PIERS WHERE LONGSHORE CURRENTS AND
WAVE ACTION FLOW INTO THE STRUCTURE. STRUCTURAL CURRENTS CAN
SWEEP YOU OUT LAKEWARD ALONG THE PIER STRUCTURE.

TO LEARN MORE ABOUT DANGEROUS WAVES AND CURRENTS PLEASE VISIT
DANGEROUSCURRENTS.ORG (ALL LOWER CASE)

&&

$$

Nearby

Beach Hazards Statements in Michigan, 2016Every beach hazards statement in 2016

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.