Alert archive / Wisconsin / Beach Hazards Statements in 2021

Beach Hazards Statement 11, NWS Milwaukee, WI

September 18, 2021Kenosha County, Milwaukee County, Racine County, Wisconsin

NWS Milwaukee, WI issued this beach hazards statement at Sep 18, 2021, 3:00 AM CDT for Kenosha County, Milwaukee County, Racine County, Wisconsin. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Sep 18, 2021, 3:00 AM CDT (08:00 UTC)
Expired
Sep 18, 2021, 12:00 PM CDT
In force
9 hr
Issued by
NWS Milwaukee, WI

Counties Kenosha County, WI, Milwaukee County, WI, Racine County, WI

The radar

The Milwaukee radar (KMKX), 60 km from the middle of the area, began a volume at 08:02 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 191 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 2021-09-18Temperature 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, Green Bay/Straub, WI at 00:00Z on 2021-09-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 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
2078 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
77 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

939 
WHUS43 KMKX 180800
CFWMKX

Lakeshore Hazard Message
National Weather Service Milwaukee/Sullivan WI
300 AM CDT Sat Sep 18 2021

WIZ066-071-072-181600-
/O.NEW.KMKX.BH.S.0011.210918T0800Z-210918T1700Z/
Milwaukee-Racine-Kenosha-
300 AM CDT Sat Sep 18 2021

...BEACH HAZARDS STATEMENT IN EFFECT UNTIL NOON CDT TODAY...

* WHAT...Life threatening waves of 3 to 5 feet and dangerous 
  currents are expected.

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

* WHEN...Until noon CDT today.

* 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 
  
     Grant Park Beach in Milwaukee...

     Shoop Park Beach in Racine...

     North 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.

&&

$$
2 follow-up statements
696 
WHUS43 KMKX 181415
CFWMKX

Lakeshore Hazard Message
National Weather Service Milwaukee/Sullivan WI
915 AM CDT Sat Sep 18 2021

WIZ066-071-072-181700-
/O.CON.KMKX.BH.S.0011.000000T0000Z-210918T1700Z/
Milwaukee-Racine-Kenosha-
915 AM CDT Sat Sep 18 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL NOON CDT
TODAY...

* WHAT...Life threatening waves of 3 to 5 feet and dangerous 
  currents are expected.

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

* WHEN...Until noon CDT today.

* 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 

     Grant Park Beach in Milwaukee...

     Shoop Park Beach in Racine...

     North 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.

&&

$$
617 
WHUS43 KMKX 181648
CFWMKX

Lakeshore Hazard Message
National Weather Service Milwaukee/Sullivan WI
1148 AM CDT Sat Sep 18 2021

WIZ066-071-072-181800-
/O.EXP.KMKX.BH.S.0011.000000T0000Z-210918T1700Z/
Milwaukee-Racine-Kenosha-
1148 AM CDT Sat Sep 18 2021

...BEACH HAZARDS STATEMENT WILL EXPIRE AT NOON CDT TODAY...

Winds have weakened and waves have subsided below 4 feet early 
this afternoon. Thus, will allow the Beach Hazards to expire at 
noon. However, moderate swim risk will continue through the 
afternoon for these areas. Swimmers should continue to use caution
and avoid dangerous areas likes piers, breakwalls, and 
river/creek outlets.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 18, 2:56 AM CDTSmall Craft AdvisoryMKX9 hr

Nearby

Beach Hazards Statements in Wisconsin, 2021Every beach hazards statement in 2021

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.