Alert archive / Michigan / Beach Hazards Statements in 2015

Beach Hazards Statement 9, NWS Detroit, MI

August 2, 2015Huron County, Michigan

NWS Detroit, MI issued this beach hazards statement at Aug 2, 2015, 3:58 AM EDT for Huron County, Michigan. It took effect at Aug 2, 2015, 12:00 PM EDT. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Aug 2, 2015, 3:58 AM EDT (07:58 UTC)
In effect from
Aug 2, 2015, 12:00 PM EDT
Expired
Aug 2, 2015, 10:00 PM EDT
In force
10 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 07:59 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, 8.0 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 00:00Z on 2015-08-02Temperature 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, Alpena, MI at 00:00Z on 2015-08-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 65 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
1715 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
65 m²/s²
0-3 km storm-relative helicity
84 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

311 
WHUS43 KDTX 020758
CFWDTX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
358 AM EDT SUN AUG 2 2015

...STRONG SOUTHWEST WINDS PRODUCING LARGE WAVES IN OUTER SAGINAW
BAY...

MIZ049-030200-
/O.NEW.KDTX.BH.S.0009.150802T1600Z-150803T0200Z/
HURON-
358 AM EDT SUN AUG 2 2015

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

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A
BEACH HAZARDS STATEMENT FOR DANGEROUS SWIMMING CONDTITIONS...WHICH
IS IN EFFECT FROM NOON EDT TODAY THROUGH THIS EVENING.

* HIGH WAVE ACTION AND DANGEROUS SWIMMING CONDITIONS EXPECTED.

* STRONG STRUCTURAL CURRENTS...EXPECTED. 

* LOCATION...BEACHES FROM SEBEWAING TO GRINDSTONE CITY INCLUDING...

 CASEVILLE.

* OVERVIEW/POTENTIAL IMPACTS... STRONG SOUTHWEST WINDS WILL
  PRODUCE LARGE WAVES OVER OUTER SAGINAW BAY THIS AFTERNOON. THE
  HIGH WAVE ACTION WILL LEAD TO DANGEROUS SWIMMING CONDITIONS ON
  BEACHES AND NEAR BREAK WALLS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HIGH WAVE ACTION ALONE CAN MAKE SWIMMING DIFFICULT ON DAYS SUCH
AS THIS. INCOMING WAVES IN RAPID SUCCESSION CAN TIRE A SWIMMER
QUICKLY.

&&

$$

SF
1 follow-up statement
080 
WHUS43 KDTX 022019
CFWDTX

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
419 PM EDT SUN AUG 2 2015

...STRONG SOUTHWEST WINDS PRODUCING LARGE WAVES IN OUTER SAGINAW
BAY...

MIZ049-030200-
/O.CON.KDTX.BH.S.0009.000000T0000Z-150803T0200Z/
HURON-
419 PM EDT SUN AUG 2 2015

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

* HIGH WAVE ACTION AND DANGEROUS SWIMMING CONDITIONS EXPECTED.

* STRONG STRUCTURAL CURRENTS...EXPECTED.

* LOCATION...BEACHES FROM SEBEWAING TO GRINDSTONE CITY 
  INCLUDING...

CASEVILLE.

* OVERVIEW/POTENTIAL IMPACTS... STRONG SOUTHWEST WINDS WILL 
  PRODUCE LARGE WAVES OVER OUTER SAGINAW BAY THIS AFTERNOON. THE 
  HIGH WAVE ACTION WILL LEAD TO DANGEROUS SWIMMING CONDITIONS ON 
  BEACHES AND NEAR BREAK WALLS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 (ALL LOWER CASE)

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 2, 1:33 PM EDTSevere Thunderstorm WarningDTXHuron, Sanilac, Tuscola57 min
Aug 2, 1:44 PM EDTSpecial Marine WarningDTX91 min
Aug 2, 2:18 PM EDTSevere Thunderstorm WarningDTXHuron57 min
Aug 2, 2:24 PM EDTSevere Thunderstorm WarningDTXSanilac, Tuscola81 min
Aug 2, 2:28 PM EDTSpecial Marine WarningDTX62 min
Aug 2, 2:35 PM EDTSevere Thunderstorm WarningDTXBay, Saginaw55 min
Aug 2, 2:55 PM EDTSpecial Marine WarningDTX95 min
Aug 2, 2:56 PM EDTSpecial Marine WarningDTX94 min
Aug 2, 3:21 PM EDTTornado WarningDTXSanilac, Tuscola39 min
Aug 2, 3:29 PM EDTSevere Thunderstorm WarningDTXBay, Saginaw32 min
Aug 2, 3:34 PM EDTSevere Thunderstorm WarningDTXSanilac, Tuscola56 min
Aug 2, 5:10 PM EDTSpecial Marine WarningDTX65 min
Aug 2, 5:42 PM EDTSpecial Marine WarningDTX2 hr
Aug 2, 5:45 PM EDTSevere Thunderstorm WarningDTXHuron90 min
Aug 2, 5:57 PM EDTSevere Thunderstorm WarningDTXBay48 min
Aug 2, 6:18 PM EDTSpecial Marine WarningDTX87 min
Aug 2, 6:24 PM EDTSevere Thunderstorm WarningDTXHuron, Sanilac, Tuscola81 min
Aug 2, 7:05 PM EDTSpecial Marine WarningDTX115 min
Aug 2, 7:08 PM EDTSevere Thunderstorm WarningDTXHuron, Sanilac32 min
Aug 2, 7:25 PM EDTSevere Thunderstorm WarningDTXTuscola15 min
Aug 2, 7:41 PM EDTAreal Flood AdvisoryDTXTuscola3 hr
Aug 2, 7:45 PM EDTSevere Thunderstorm WarningDTXBay, Midland30 min
Aug 2, 7:51 PM EDTSpecial Marine WarningDTX84 min

Nearby

Beach Hazards Statements in Michigan, 2015Every beach hazards statement in 2015

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.