Alert archive / Michigan / Beach Hazards Statements in 2020

Beach Hazards Statement 16, NWS Gaylord, MI

September 25, 2020Charlevoix County, Mackinac County, Michigan

NWS Gaylord, MI issued this beach hazards statement at Sep 25, 2020, 3:17 PM EDT for Charlevoix County, Mackinac County, Michigan. It took effect at Sep 25, 2020, 5:00 PM EDT. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Sep 25, 2020, 3:17 PM EDT (19:17 UTC)
In effect from
Sep 25, 2020, 5:00 PM EDT
Expired
Sep 26, 2020, 4:52 AM EDT
In force
12 hr
Issued by
NWS Gaylord, MI

Counties Charlevoix County, MI, Mackinac County, MI

The radar

The NCL Michigan radar (KAPX), 77 km from the middle of the area, began a volume at 19:19 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

Alpena, MI (KAPX), launched 12:00Z, 7.3 hours before the alert went out and 211 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 2020-09-25Temperature 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 12:00Z on 2020-09-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 7 square meters per square second.193958Sfc1 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
936 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
7 m²/s²
0-3 km storm-relative helicity
-32 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

223 
WHUS43 KAPX 251917
CFWAPX

Coastal Hazard Message
National Weather Service Gaylord MI
317 PM EDT Fri Sep 25 2020

MIZ095-098-260800-
/O.NEW.KAPX.BH.S.0016.200925T2100Z-200926T1500Z/
Western Mackinac-Beaver Island and surrounding islands-
317 PM EDT Fri Sep 25 2020

...BEACH HAZARDS STATEMENT IN EFFECT THROUGH SATURDAY MORNING...

* WHAT...High wave action, strong currents, dangerous swimming 
  conditions expected.

* WHERE...Western Mackinac and Beaver Island and surrounding 
  islands Counties.

* WHEN...Through Saturday morning.

* IMPACTS...High waves and strong currents will lead to dangerous
  swimming conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions.
Please check with your local authorities on potential beach
closures.

&&

$$
2 follow-up statements
148 
WHUS43 KAPX 260117
CFWAPX

Coastal Hazard Message
National Weather Service Gaylord MI
917 PM EDT Fri Sep 25 2020

MIZ095-098-260930-
/O.CON.KAPX.BH.S.0016.000000T0000Z-200926T1500Z/
Western Mackinac-Beaver Island and surrounding islands-
917 PM EDT Fri Sep 25 2020

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH SATURDAY
MORNING...

* WHAT...High wave action, strong currents, dangerous swimming 
  conditions expected.

* WHERE...Western Mackinac and Beaver Island and surrounding 
  islands Counties.

* WHEN...Through Saturday morning.

* IMPACTS...High waves and strong currents will lead to 
  dangerous swimming conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions.
Please check with your local authorities on potential beach
closures.

&&

$$
052 
WHUS43 KAPX 260852
CFWAPX

Coastal Hazard Message
National Weather Service Gaylord MI
452 AM EDT Sat Sep 26 2020

MIZ095-098-261000-
/O.CAN.KAPX.BH.S.0016.000000T0000Z-200926T1500Z/
Western Mackinac-Beaver Island and surrounding islands-
452 AM EDT Sat Sep 26 2020

...BEACH HAZARDS STATEMENT IS CANCELLED...

Gustier southerly winds will continue through this morning
producing some breaking waves and currents. Winds and waves 
weaken for the afternoon. 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 25, 7:13 PM EDTSmall Craft AdvisoryAPX44 hr

Nearby

Beach Hazards Statements in Michigan, 2020Every beach hazards statement in 2020

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.