Alert archive / Michigan / Beach Hazards Statements in 2020

Beach Hazards Statement 4, NWS Gaylord, MI

July 18, 20206 counties in Michigan

NWS Gaylord, MI issued this beach hazards statement at Jul 18, 2020, 3:34 AM EDT for 6 counties in Michigan. It took effect at Jul 18, 2020, 10:00 AM EDT. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued
Jul 18, 2020, 3:34 AM EDT (07:34 UTC)
In effect from
Jul 18, 2020, 10:00 AM EDT
Expired
Jul 18, 2020, 9:00 PM EDT
In force
11 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 07:37 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, 7.6 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 2020-07-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 748 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°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 2020-07-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 60 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
748 J/kg
Mixed-layer CIN
-65 J/kg
Mixed-layer LCL
1554 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
60 m²/s²
0-3 km storm-relative helicity
108 m²/s²
Significant tornado parameter
0.1
Supercell composite
2.3

Open this sounding in Storm Lab

The text

As transmitted.

864 
WHUS43 KAPX 180734
CFWAPX

Coastal Hazard Message
National Weather Service Gaylord MI
334 AM EDT Sat Jul 18 2020

MIZ016-020-025-031-095-096-098-099-181545-
/O.NEW.KAPX.BH.S.0004.200718T1400Z-200719T0100Z/
Emmet-Leelanau-Benzie-Manistee-Western Mackinac-Eastern Mackinac-
Beaver Island and surrounding islands-Charlevoix-
334 AM EDT Sat Jul 18 2020

...BEACH HAZARDS STATEMENT IN EFFECT FROM 10 AM EDT THIS MORNING
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...From 10 AM EDT this morning 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.

&&

$$
JK
3 follow-up statements
519 
WHUS43 KAPX 181554
CFWAPX

Coastal Hazard Message
National Weather Service Gaylord MI
1154 AM EDT Sat Jul 18 2020

MIZ016-020-025-031-095-096-098-099-190000-
/O.CON.KAPX.BH.S.0004.000000T0000Z-200719T0100Z/
Emmet-Leelanau-Benzie-Manistee-Western Mackinac-Eastern Mackinac-
Beaver Island and surrounding islands-Charlevoix-
1154 AM EDT Sat Jul 18 2020

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 9 PM EDT THIS
EVENING...

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

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

* WHEN...Until 9 PM EDT 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.

&&

$$
858 
WHUS43 KAPX 182126
CFWAPX

Coastal Hazard Message
National Weather Service Gaylord MI
526 PM EDT Sat Jul 18 2020

MIZ016-020-025-031-095-096-098-099-190100-
/O.CON.KAPX.BH.S.0004.000000T0000Z-200719T0100Z/
Emmet-Leelanau-Benzie-Manistee-Western Mackinac-Eastern Mackinac-
Beaver Island and surrounding islands-Charlevoix-
526 PM EDT Sat Jul 18 2020

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 9 PM EDT THIS
EVENING...

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

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

* WHEN...Until 9 PM EDT 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.

&&

$$
377 
WHUS43 KAPX 190057
CFWAPX

Coastal Hazard Message
National Weather Service Gaylord MI
857 PM EDT Sat Jul 18 2020

MIZ016-020-025-031-095-096-098-099-190200-
/O.EXP.KAPX.BH.S.0004.000000T0000Z-200719T0100Z/
Emmet-Leelanau-Benzie-Manistee-Western Mackinac-Eastern Mackinac-
Beaver Island and surrounding islands-Charlevoix-
857 PM EDT Sat Jul 18 2020

...BEACH HAZARDS STATEMENT WILL EXPIRE AT 9 PM EDT THIS EVENING...


$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 17, 10:39 PM EDTSmall Craft AdvisoryAPX24 hr
Jul 18, 8:34 AM EDTSpecial Weather StatementAPXCharlevoix, Mackinac41 min
Jul 18, 8:47 AM EDTSpecial Marine WarningAPX58 min
Jul 18, 9:20 AM EDTSpecial Weather StatementAPXCharlevoix, Mackinac55 min
Jul 18, 9:45 AM EDTSpecial Weather StatementAPXAntrim, Emmet, Grand Traverse, Mackinac60 min
Jul 18, 9:46 AM EDTSpecial Marine WarningAPX29 min
Jul 18, 10:13 AM EDTSpecial Marine WarningAPX62 min
Jul 18, 10:20 AM EDTSevere Thunderstorm WarningAPXCheboygan, Emmet38 min
Jul 18, 10:26 AM EDTSevere Thunderstorm WarningAPXAntrim49 min
Jul 18, 10:40 AM EDTSevere Thunderstorm WarningAPXCharlevoix, Cheboygan, Montmorency, Otsego40 min
Jul 18, 10:55 AM EDTSevere Thunderstorm WarningAPXAntrim, Kalkaska50 min
Jul 18, 10:56 AM EDTSpecial Marine WarningAPX94 min
Jul 18, 11:08 AM EDTSevere Thunderstorm WarningAPXCrawford, Kalkaska, Otsego52 min
Jul 18, 11:25 AM EDTFlash Flood WarningAPXGrand Traverse57 min
Jul 18, 12:15 PM EDTSevere Thunderstorm WarningAPXAlpena30 min
Jul 18, 12:18 PM EDTSpecial Marine WarningAPX57 min
Jul 18, 12:30 PM EDTSevere Thunderstorm WarningAPXAlcona, Oscoda60 min
Jul 18, 1:09 PM EDTSpecial Marine WarningAPX96 min
Jul 18, 1:18 PM EDTSevere Thunderstorm WarningAPXAlcona42 min
Jul 18, 4:04 PM EDTTornado WarningAPXCheboygan, Emmet41 min
Jul 18, 4:18 PM EDTFlash Flood WarningAPXCheboygan, Emmet107 min
Jul 18, 4:31 PM EDTSpecial Marine WarningAPX29 min
Jul 18, 4:31 PM EDTSevere Thunderstorm WarningAPXCharlevoix, Emmet44 min
Jul 18, 4:34 PM EDTSpecial Marine WarningAPX56 min
Jul 18, 4:35 PM EDTSevere Thunderstorm WarningAPXCheboygan, Presque Isle40 min
Jul 18, 4:49 PM EDTSevere Thunderstorm WarningAPXCheboygan41 min
Jul 18, 5:04 PM EDTSevere Thunderstorm WarningAPXCheboygan, Presque Isle56 min
Jul 18, 5:12 PM EDTSevere Thunderstorm WarningAPXCheboygan, Presque Isle48 min
Jul 18, 5:20 PM EDTSpecial Marine WarningAPX85 min
Jul 18, 6:02 PM EDTSpecial Marine WarningAPX43 min
Jul 18, 6:04 PM EDTSevere Thunderstorm WarningAPXCheboygan, Presque Isle56 min
Jul 18, 6:46 PM EDTSpecial Marine WarningAPX79 min

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.