Alert archive / Wisconsin / Beach Hazards Statements in 2020

Beach Hazards Statement 14, NWS Milwaukee, WI

September 17, 20205 counties in Wisconsin

NWS Milwaukee, WI issued this beach hazards statement at Sep 17, 2020, 7:49 PM CDT for 5 counties in Wisconsin. It took effect at Sep 18, 2020, 1:00 AM CDT. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued
Sep 17, 2020, 7:49 PM CDT (00:49 UTC)
In effect from
Sep 18, 2020, 1:00 AM CDT
Expired
Sep 18, 2020, 4:00 PM CDT
In force
15 hr
Issued by
NWS Milwaukee, WI

Counties Kenosha County, WI, Milwaukee County, WI, Ozaukee County, WI, Racine County, WI, Sheboygan County, WI

The radar

The Milwaukee radar (KMKX), 58 km from the middle of the area, began a volume at 00:50 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, 0.8 hours before the alert went out and 155 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 2020-09-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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 2020-09-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -36 square meters per square second.19395878Sfc1 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
1246 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
-36 m²/s²
0-3 km storm-relative helicity
29 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

029 
WHUS43 KMKX 180049
CFWMKX

Lakeshore Hazard Message
National Weather Service Milwaukee/Sullivan WI
749 PM CDT Thu Sep 17 2020

WIZ052-060-066-071-072-180900-
/O.NEW.KMKX.BH.S.0014.200918T0600Z-200918T1800Z/
Sheboygan-Ozaukee-Milwaukee-Racine-Kenosha-
749 PM CDT Thu Sep 17 2020

...BEACH HAZARDS STATEMENT IN EFFECT FROM 1 AM CDT FRIDAY THROUGH
FRIDAY AFTERNOON...

* WHAT...Life threatening waves and currents are expected.

* WHERE...Beaches along Lake Michigan in Sheboygan, Ozaukee, 
  Milwaukee, Racine, and Kenosha counties.

* WHEN...From 1 AM CDT Friday through Friday afternoon.

* IMPACTS...Dangerous swimming conditions are expected due to 
  high waves and onshore winds.

* ADDITIONAL DETAILS... Several beaches that will be most 
  susceptible to the dangerous swimming conditions include 
  

     Harrington State Park Beaches...

     Mckinley Beach in Milwaukee...

     Parkway Beach in Racine...

     Simmons Island Beach in Kenosha...

    

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Stay out of the water and away from dangerous areas like piers
and breakwalls.  Strong structural and longshore currents are
expected.  Rip currents are possible.

&&

$$
4 follow-up statements
963 
WHUS43 KMKX 180810
CFWMKX

Lakeshore Hazard Message
National Weather Service Milwaukee/Sullivan WI
310 AM CDT Fri Sep 18 2020

WIZ066-071-072-181615-
/O.EXT.KMKX.BH.S.0014.000000T0000Z-200918T2100Z/
Milwaukee-Racine-Kenosha-
310 AM CDT Fri Sep 18 2020

...BEACH HAZARDS STATEMENT NOW IN EFFECT THROUGH THIS AFTERNOON...

* WHAT...Life threatening waves and currents are expected.

* WHERE...Beaches along Lake Michigan in Milwaukee, Racine and 
  Kenosha Counties.

* WHEN...Until 4 PM CDT this afternoon.

* IMPACTS...Dangerous swimming conditions are expected due to 
  high waves and onshore winds.

* ADDITIONAL DETAILS... Several beaches that will be most 
  susceptible to the dangerous swimming conditions include 
     
     Mckinley Beach in Milwaukee...

     Shoop Park Beach in Racine...

     Simmons Island Beach in Kenosha...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Stay out of the water and away from dangerous areas like piers
and breakwalls.  Strong structural and longshore currents are
expected.  Rip currents are possible.

&&

$$

WIZ052-060-181615-
/O.CON.KMKX.BH.S.0014.000000T0000Z-200918T1800Z/
Sheboygan-Ozaukee-
310 AM CDT Fri Sep 18 2020

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 1 PM CDT THIS
AFTERNOON...

* WHAT...Life threatening waves and currents are expected.

* WHERE...Beaches along Lake Michigan in Sheboygan and Ozaukee 
  Counties.

* WHEN...Until 1 PM CDT this afternoon.

* IMPACTS...Dangerous swimming conditions are expected due to 
  high waves and onshore winds.

* ADDITIONAL DETAILS... Several beaches that will be most 
  susceptible to the dangerous swimming conditions include 
     
     Blue Harbor Beach in Sheboygan...

     North Beach in Port Washington...

     Harrington State Park Beaches...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Stay out of the water and away from dangerous areas like piers
and breakwalls.  Strong structural and longshore currents are
expected.  Rip currents are possible.

&&

$$
Wood
039 
WHUS43 KMKX 181413
CFWMKX

Lakeshore Hazard Message
National Weather Service Milwaukee/Sullivan WI
913 AM CDT Fri Sep 18 2020

WIZ052-060-181800-
/O.CON.KMKX.BH.S.0014.000000T0000Z-200918T1800Z/
Sheboygan-Ozaukee-
913 AM CDT Fri Sep 18 2020

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 1 PM CDT THIS
AFTERNOON...

* WHAT...Life threatening waves and currents are expected.

* WHERE...Beaches along Lake Michigan in Sheboygan, and Ozaukee 
  counties.

* WHEN...Until 1 PM CDT this afternoon.

* IMPACTS...Dangerous swimming conditions are expected due to 
  high waves and onshore winds.

* ADDITIONAL DETAILS... Several beaches that will be most 
  susceptible to the dangerous swimming conditions include    

     Blue Harbor Beach in Sheboygan...

     North Beach in Port Washington...

     Harrington State Park Beaches...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Stay out of the water and away from dangerous areas like piers
and breakwalls.  Strong structural and longshore currents are
expected.  Rip currents are possible.

&&

$$

WIZ066-071-072-182100-
/O.CON.KMKX.BH.S.0014.000000T0000Z-200918T2100Z/
Milwaukee-Racine-Kenosha-
913 AM CDT Fri Sep 18 2020

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 4 PM CDT THIS
AFTERNOON...

* WHAT...Life threatening waves and currents are expected.

* WHERE...Beaches along Lake Michigan in Milwaukee, Racine, and 
  Kenosha counties.

* WHEN...Until 4 PM CDT this afternoon.

* IMPACTS...Dangerous swimming conditions are expected due to 
  high waves and onshore winds.

* ADDITIONAL DETAILS... Several beaches that will be most 
  susceptible to the dangerous swimming conditions include 
     
     Mckinley Beach in Milwaukee...

     Shoop Park Beach in Racine...

     Simmons Island Beach in Kenosha...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Stay out of the water and away from dangerous areas like piers
and breakwalls.  Strong structural and longshore currents are
expected.  Rip currents are possible.

&&

$$
624 
WHUS43 KMKX 181750
CFWMKX

Lakeshore Hazard Message
National Weather Service Milwaukee/Sullivan WI
1250 PM CDT Fri Sep 18 2020

WIZ052-060-181900-
/O.EXP.KMKX.BH.S.0014.000000T0000Z-200918T1800Z/
Sheboygan-Ozaukee-
1250 PM CDT Fri Sep 18 2020

...BEACH HAZARDS STATEMENT WILL EXPIRE AT 1 PM CDT THIS
AFTERNOON...

Waves have decreased though moderate swim conditions will persist 
through the day.

$$

WIZ066-071-072-182100-
/O.CON.KMKX.BH.S.0014.000000T0000Z-200918T2100Z/
Milwaukee-Racine-Kenosha-
1250 PM CDT Fri Sep 18 2020

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 4 PM CDT THIS
AFTERNOON...

* WHAT...Life threatening waves and currents are expected.

* WHERE...Beaches along Lake Michigan in Milwaukee, Racine, and 
  Kenosha counties.

* WHEN...Until 4 PM CDT this afternoon.

* IMPACTS...Dangerous swimming conditions are expected due to 
  high waves and onshore winds.

* ADDITIONAL DETAILS... Several beaches that will be most 
  susceptible to the dangerous swimming conditions include

     Mckinley Beach in Milwaukee...

     Shoop Park Beach in Racine...

     Simmons Island Beach in Kenosha...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Stay out of the water and away from dangerous areas like piers
and breakwalls.  Strong structural and longshore currents are
expected.  Rip currents are possible.

&&

$$
377 
WHUS43 KMKX 182050
CFWMKX

Lakeshore Hazard Message
National Weather Service Milwaukee/Sullivan WI
350 PM CDT Fri Sep 18 2020

WIZ066-071-072-182200-
/O.EXP.KMKX.BH.S.0014.000000T0000Z-200918T2100Z/
Milwaukee-Racine-Kenosha-
350 PM CDT Fri Sep 18 2020

...BEACH HAZARDS STATEMENT WILL EXPIRE AT 4 PM CDT THIS
AFTERNOON...

We will expire the Beach Hazards Statement at 4PM given the 
downward trend in wave heights over the last few hours with obs 
hovering around 3.0 to 3.5 ft and falling.

$$

The office that day

Everything else NWS Milwaukee, WI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 17, 7:37 PM CDTSmall Craft AdvisoryMKX20 hr

Nearby

Beach Hazards Statements in Wisconsin, 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.