Alert archive / Michigan / Beach Hazards Statements in 2020

Beach Hazards Statement 8, NWS Gaylord, MI

August 20, 20206 counties in Michigan

NWS Gaylord, MI issued this beach hazards statement at Aug 20, 2020, 3:57 AM EDT for 6 counties in Michigan. It was in force for 16 hr.

The area

The counties it named.

The facts

Issued
Aug 20, 2020, 3:57 AM EDT (07:57 UTC)
Expired
Aug 20, 2020, 8:00 PM EDT
In force
16 hr
Issued by
NWS Gaylord, MI

Counties Benzie County, MI, Charlevoix County, MI, Emmet County, MI, Leelanau County, MI, Mackinac County, MI, Manistee County, MI

The radar

The NCL Michigan radar (KAPX), 71 km from the middle of the area, began a volume at 07:58 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

Green Bay/Straub, WI (KGRB), launched 00:00Z, 8.0 hours before the alert went out and 212 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, Green Bay/Straub, WI at 00:00Z on 2020-08-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 78 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, Green Bay/Straub, WI at 00:00Z on 2020-08-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 78 square meters per square second.1939Sfc1 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
78 J/kg
Mixed-layer CIN
-111 J/kg
Mixed-layer LCL
1774 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
78 m²/s²
0-3 km storm-relative helicity
186 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

588 
WHUS43 KAPX 200757
CFWAPX

Coastal Hazard Message
National Weather Service Gaylord MI
357 AM EDT Thu Aug 20 2020

MIZ016-020-025-031-095-096-098-099-201600-
/O.NEW.KAPX.BH.S.0008.200820T0757Z-200821T0000Z/
Emmet-Leelanau-Benzie-Manistee-Western Mackinac-Eastern Mackinac-
Beaver Island and surrounding islands-Charlevoix-
357 AM EDT Thu Aug 20 2020

...BEACH HAZARDS STATEMENT IN EFFECT THROUGH THIS EVENING...

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

* WHERE...Emmet, Leelanau, Benzie, Manistee, Western Mackinac, 
  Eastern Mackinac, Beaver Island and surrounding islands and 
  Charlevoix Counties.

* WHEN...Through this evening.

* 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
379 
WHUS43 KAPX 201411
CFWAPX

Coastal Hazard Message
National Weather Service Gaylord MI
1011 AM EDT Thu Aug 20 2020

MIZ016-020-025-031-095-096-098-099-210000-
/O.CON.KAPX.BH.S.0008.000000T0000Z-200821T0000Z/
Emmet-Leelanau-Benzie-Manistee-Western Mackinac-Eastern Mackinac-
Beaver Island and surrounding islands-Charlevoix-
1011 AM EDT Thu Aug 20 2020

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

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

* WHERE...Emmet, Leelanau, Benzie, Manistee, Western Mackinac, 
  Eastern Mackinac, Beaver Island and surrounding islands and 
  Charlevoix Counties.

* WHEN...Through this evening.

* 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.

&&

$$
616 
WHUS43 KAPX 201929
CFWAPX

Coastal Hazard Message
National Weather Service Gaylord MI
329 PM EDT Thu Aug 20 2020

MIZ016-020-025-031-095-096-098-099-210000-
/O.CON.KAPX.BH.S.0008.000000T0000Z-200821T0000Z/
Emmet-Leelanau-Benzie-Manistee-Western Mackinac-Eastern Mackinac-
Beaver Island and surrounding islands-Charlevoix-
329 PM EDT Thu Aug 20 2020

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

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

* WHERE...Emmet, Leelanau, Benzie, Manistee, Western Mackinac, 
  Eastern Mackinac, Beaver Island and surrounding islands and 
  Charlevoix Counties.

* WHEN...Through this evening.

* 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.

&&

$$

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.