Alert archive / Michigan / Beach Hazards Statements in 2016

Beach Hazards Statement 9, NWS Gaylord, MI

August 16, 2016Alcona County, Alpena County, Iosco County, Michigan

NWS Gaylord, MI issued this beach hazards statement at Aug 16, 2016, 10:31 AM EDT for Alcona County, Alpena County, Iosco County, Michigan. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Aug 16, 2016, 10:31 AM EDT (14:31 UTC)
Expired
Aug 16, 2016, 4:00 PM EDT
In force
5 hr
Issued by
NWS Gaylord, MI

Counties Alcona County, MI, Alpena County, MI, Iosco County, MI

The radar

The NCL Michigan radar (KAPX), 104 km from the middle of the area, began a volume at 14:32 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 12:00Z, 2.5 hours before the alert went out and 92 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 2016-08-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 212 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 2016-08-16The 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
212 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
810 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
-63 m²/s²
0-3 km storm-relative helicity
-109 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

808 
WHUS43 KAPX 161431
CFWAPX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GAYLORD MI
1031 AM EDT TUE AUG 16 2016

MIZ024-030-036-162000-
/O.NEW.KAPX.BH.S.0009.160816T1431Z-160816T2000Z/
ALPENA-ALCONA-IOSCO-
1031 AM EDT TUE AUG 16 2016

...BEACH HAZARDS STATEMENT IN EFFECT UNTIL 4 PM EDT THIS
AFTERNOON...

THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A BEACH
HAZARDS STATEMENT...WHICH IS IN EFFECT UNTIL 4 PM EDT THIS
AFTERNOON. 

* HAZARDS...HIGH WAVES AND DANGEROUS CURRENTS.

* TIMING...THROUGH LATE AFTERNOON.

* LOCATION...LAKE HURON BEACHES OF NORTHERN MICHIGAN FROM THUNDER
  BAY TO ALABASTER.

* POTENTIAL IMPACTS...HAZARDOUS SWIMMING CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH SWIM RISK MEANS LIFE THREATENING WAVES AND CURRENTS ARE
EXPECTED. STAY OUT OF THE WATER AND STAY AWAY FROM DANGEROUS
AREAS LIKE PIERS AND BREAKWALLS.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 16, 10:25 AM EDTSmall Craft AdvisoryAPX6 hr
Aug 16, 3:25 PM EDTSpecial Weather StatementAPXChippewa65 min
Aug 16, 7:18 PM EDTSpecial Weather StatementAPXChippewa117 min

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.