Alert archive / Michigan / Beach Hazards Statements in 2016

Beach Hazards Statement 7, NWS Detroit, MI

July 27, 20164 counties in Michigan

NWS Detroit, MI issued this beach hazards statement at Jul 27, 2016, 8:11 PM EDT for 4 counties in Michigan. It took effect at Jul 28, 2016, 11:00 AM EDT. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued
Jul 27, 2016, 8:11 PM EDT (00:11 UTC)
In effect from
Jul 28, 2016, 11:00 AM EDT
Expired
Jul 28, 2016, 9:30 PM EDT
In force
11 hr
Issued by
NWS Detroit, MI

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

The radar

The Detroit radar (KDTX), 96 km from the middle of the area, began a volume at 00:13 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, 0.2 hours before the alert went out and 93 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 2016-07-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 310 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, Detroit, MI at 00:00Z on 2016-07-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 square meters per square second.19395878Sfc1 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
310 J/kg
Mixed-layer CIN
-54 J/kg
Mixed-layer LCL
1340 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
40 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

389 
WHUS43 KDTX 280011
CFWDTX

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
811 PM EDT WED JUL 27 2016

MIZ048-049-055-063-290400-
/O.NEW.KDTX.BH.S.0007.160728T1500Z-160729T0400Z/
BAY-HURON-SANILAC-ST. CLAIR-
811 PM EDT WED JUL 27 2016

...BEACH HAZARDS STATEMENT IN EFFECT FROM THURSDAY MORNING
THROUGH THURSDAY EVENING...

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

* HIGH WAVE ACTION AND DANGEROUS SWIMMING CONDITIONS EXPECTED.

* STRONG STRUCTURAL CURRENTS...EXPECTED.

* LOCATION...BEACHES FROM LINWOOD BEACH TO PORT HURON 
  INCLUDING...

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

* OVERVIEW/POTENTIAL IMPACTS...WINDS WILL BECOME NORTHEAST AND
  GUSTS TO 20 KNOTS ON THURSDAY. THIS INCREASED ONSHORE FLOW WILL
  CREATE HIGH WAVE CONDITIONS THAT WILL PRODUCE DANGEROUS SWIMMING
  CONDITIONS ON AREA BEACHES.

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. 

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

&&

$$
2 follow-up statements
372 
WHUS43 KDTX 280801
CFWDTX

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
401 AM EDT THU JUL 28 2016

...HAZARDOUS SWIM CONDITIONS ALONG THE LAKE HURON SHORELINE TODAY...

MIZ048-049-055-063-290400-
/O.CON.KDTX.BH.S.0007.160728T1500Z-160729T0400Z/
BAY-HURON-SANILAC-ST. CLAIR-
401 AM EDT THU JUL 28 2016

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 11 AM EDT THIS
MORNING THROUGH THIS EVENING...

* HIGH WAVE ACTION AND DANGEROUS SWIMMING CONDITIONS EXPECTED.

* STRONG STRUCTURAL CURRENTS...EXPECTED.

* LOCATION...BEACHES FROM LINWOOD BEACH TO PORT HURON 
  INCLUDING... 

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

* OVERVIEW/POTENTIAL IMPACTS...WINDS WILL BECOME NORTHEAST AND
  GUSTS TO 25 KNOTS ON THURSDAY. THIS INCREASED ONSHORE FLOW WILL
  CREATE HIGH WAVE CONDITIONS THAT WILL PRODUCE DANGEROUS SWIMMING
  CONDITIONS ON AREA BEACHES.

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.

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

&&

$$
799 
WHUS43 KDTX 290130
CFWDTX

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
930 PM EDT THU JUL 28 2016


MIZ048-049-055-063-300200-
/O.CAN.KDTX.BH.S.0007.000000T0000Z-160729T0400Z/
/O.NEW.KDTX.BH.S.0008.160729T1200Z-160730T0200Z/
BAY-HURON-SANILAC-ST. CLAIR-
930 PM EDT THU JUL 28 2016

...BEACH HAZARDS STATEMENT IN EFFECT FROM 8 AM EDT FRIDAY THROUGH
FRIDAY EVENING...
...BEACH HAZARDS STATEMENT IS CANCELLED FOR THIS EVENING...

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

* HIGH WAVE ACTION AND DANGEROUS SWIMMING CONDITIONS EXPECTED.

* STRONG STRUCTURAL CURRENTS...EXPECTED.

* LOCATION...BEACHES FROM LINWOOD BEACH TO PORT HURON 
  INCLUDING... 

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

* OVERVIEW/POTENTIAL IMPACTS...NORTHEAST WINDS WILL GUST TO 20
  KNOTS AGAIN ON FRIDAY. THIS INCREASED ONSHORE FLOW WILL CREATE
  HIGH WAVE CONDITIONS THAT WILL PRODUCE DANGEROUS SWIMMING
  CONDITIONS ON AREA BEACHES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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. 

&&

$$

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.