Alert archive / Wisconsin / Wind Advisories in 2021

Wind Advisory 5, NWS Milwaukee, WI

April 30, 202114 counties in Wisconsin

NWS Milwaukee, WI issued this wind advisory at Apr 30, 2021, 2:49 PM CDT for 14 counties in Wisconsin. It took effect at May 1, 2021, 12:00 PM CDT. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Apr 30, 2021, 2:49 PM CDT (19:49 UTC)
In effect from
May 1, 2021, 12:00 PM CDT
Expired
May 1, 2021, 7:00 PM CDT
In force
7 hr
Issued by
NWS Milwaukee, WI

Counties Dane County, WI, Dodge County, WI, Fond du Lac County, WI, Green County, WI, Jefferson County, WI, Kenosha County, WI, Milwaukee County, WI, Ozaukee County, WI, Racine County, WI, Rock County, WI, Sheboygan County, WI, Walworth County, WI, Washington County, WI, Waukesha County, WI

The radar

The Milwaukee radar (KMKX), 15 km from the middle of the area, began a volume at 19:50 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 12:00Z, 7.8 hours before the alert went out and 158 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 12:00Z on 2021-04-30Temperature 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 12:00Z on 2021-04-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -77 square meters per square second.1939587897117Sfc1 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
929 m above ground
0-6 km bulk shear
87 kt
0-1 km storm-relative helicity
-77 m²/s²
0-3 km storm-relative helicity
62 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

059 
WWUS73 KMKX 301949
NPWMKX

URGENT - WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
249 PM CDT Fri Apr 30 2021

WIZ065-066-069>072-010400-
/O.NEW.KMKX.WI.Y.0005.210501T1700Z-210502T0000Z/
Waukesha-Milwaukee-Rock-Walworth-Racine-Kenosha-
Including the cities of Waukesha, Brookfield, New Berlin, 
Menomonee Falls, Muskego, Milwaukee, Janesville, Beloit, 
Whitewater, Delavan, Elkhorn, Lake Geneva, East Troy, Racine, 
and Kenosha
249 PM CDT Fri Apr 30 2021

...WIND ADVISORY IN EFFECT FROM NOON TO 7 PM CDT SATURDAY...

* WHAT...Southwest winds 15 to 25 mph with gusts up to 45 mph 
  expected.

* WHERE...Waukesha, Milwaukee, Rock, Walworth, Racine and 
  Kenosha Counties.

* WHEN...From noon to 7 PM CDT Saturday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$
6 follow-up statements
820 
WWUS73 KMKX 010114
NPWMKX

URGENT - WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
814 PM CDT Fri Apr 30 2021

WIZ065-066-069>072-010915-
/O.CON.KMKX.WI.Y.0005.210501T1700Z-210502T0000Z/
Waukesha-Milwaukee-Rock-Walworth-Racine-Kenosha-
Including the cities of Waukesha, Brookfield, New Berlin, 
Menomonee Falls, Muskego, Milwaukee, Janesville, Beloit, 
Whitewater, Delavan, Elkhorn, Lake Geneva, East Troy, Racine, 
and Kenosha
814 PM CDT Fri Apr 30 2021

...WIND ADVISORY REMAINS IN EFFECT FROM NOON TO 7 PM CDT
SATURDAY...

* WHAT...Southwest winds will increase to 20 to 25 mph Saturday
  afternoon with gust to 45 mph. 

* WHERE...Waukesha, Milwaukee, Rock, Walworth, Racine and 
  Kenosha Counties.

* WHEN...From noon to 7 PM CDT Saturday.

* IMPACTS...Gusty winds could blow around unsecured objects. Tree
  limbs could be blown down and a few power outages may result. 

* ADDITIONAL INFORMATION...Boaters on inland lakes out for the 
  Wisconsin fishing opener should be prepared for buffeting 
  southwest winds and high waves. The strongest winds are expected
  Saturday afternoon. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$
Kavinsky
889 
WWUS73 KMKX 010810
NPWMKX

URGENT - WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
310 AM CDT Sat May 1 2021

WIZ052-058>060-063-064-068-011615-
/O.EXA.KMKX.WI.Y.0005.210501T1700Z-210502T0000Z/
Sheboygan-Dodge-Washington-Ozaukee-Dane-Jefferson-Green-
Including the cities of Plymouth, Sheboygan Falls, Howards Grove,
Oostburg, Beaver Dam, Waupun, Mayville, West Bend, Germantown, 
Hartford, Mequon, Cedarburg, Grafton, Madison, Watertown, 
Fort Atkinson, Jefferson, Monroe, and Brodhead
310 AM CDT Sat May 1 2021

...WIND ADVISORY IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS
EVENING...

* WHAT...Southwest winds 20 to 25 mph with gusts up to 45 mph.

* WHERE...Sheboygan, Dodge, Washington, Ozaukee, Dane, Jefferson 
  and Green Counties.

* WHEN...From noon to 7 PM CDT.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

* ADDITIONAL INFORMATION...Boaters on inland lakes out for the 
  Wisconsin fishing opener should be prepared for buffeting 
  southwest winds and high waves. The strongest winds are 
  expected Saturday afternoon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

WIZ065-066-069>072-011615-
/O.CON.KMKX.WI.Y.0005.210501T1700Z-210502T0000Z/
Waukesha-Milwaukee-Rock-Walworth-Racine-Kenosha-
Including the cities of Waukesha, Brookfield, New Berlin, 
Menomonee Falls, Muskego, Milwaukee, Janesville, Beloit, 
Whitewater, Delavan, Elkhorn, Lake Geneva, East Troy, Racine, 
and Kenosha
310 AM CDT Sat May 1 2021

...WIND ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 7 PM CDT
THIS EVENING...

* WHAT...Southwest winds 20 to 25 mph with gusts up to 45 mph.

* WHERE...Waukesha, Milwaukee, Rock, Walworth, Racine and 
  Kenosha Counties.

* WHEN...From noon to 7 PM CDT Saturday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

* ADDITIONAL INFORMATION...Boaters on inland lakes out for the 
  Wisconsin fishing opener should be prepared for buffeting 
  southwest winds and high waves. The strongest winds are 
  expected Saturday afternoon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

MRC
901 
WWUS73 KMKX 011446
NPWMKX

URGENT - WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
946 AM CDT Sat May 1 2021

WIZ052-058>060-063>066-068>072-012300-
/O.CON.KMKX.WI.Y.0005.210501T1700Z-210502T0000Z/
Sheboygan-Dodge-Washington-Ozaukee-Dane-Jefferson-Waukesha-
Milwaukee-Green-Rock-Walworth-Racine-Kenosha-
Including the cities of Plymouth, Sheboygan Falls, Howards Grove,
Oostburg, Beaver Dam, Waupun, Mayville, West Bend, Germantown, 
Hartford, Mequon, Cedarburg, Grafton, Madison, Watertown, 
Fort Atkinson, Jefferson, Waukesha, Brookfield, New Berlin, 
Menomonee Falls, Muskego, Milwaukee, Monroe, Brodhead, 
Janesville, Beloit, Whitewater, Delavan, Elkhorn, Lake Geneva, 
East Troy, Racine, and Kenosha
946 AM CDT Sat May 1 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...

* WHAT...Southwest winds 20 to 25 mph with gusts up to 45 mph.

* WHERE...Sheboygan, Dodge, Washington, Ozaukee, Dane, Jefferson 
  and Green Counties.

* WHEN...From noon to 7 PM CDT.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

* ADDITIONAL INFORMATION...Boaters on inland lakes out for the 
  Wisconsin fishing opener should be prepared for buffeting 
  southwest winds and high waves. The strongest winds are 
  expected Saturday afternoon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$
505 
WWUS73 KMKX 011644
NPWMKX

URGENT - WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
1144 AM CDT Sat May 1 2021

WIZ051-020000-
/O.EXA.KMKX.WI.Y.0005.210501T1700Z-210502T0000Z/
Fond du Lac-
Including the city of Fond Du Lac
1144 AM CDT Sat May 1 2021

...WIND ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING...

* WHAT...Southwest winds 15 to 25 mph with gusts up to 45 mph 
  expected.

* WHERE...Fond du Lac County.

* WHEN...From noon to 7 PM CDT.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

* ADDITIONAL INFORMATION...Boaters on inland lakes out for the 
  Wisconsin fishing opener should be prepared for buffeting 
  southwest winds and high waves. The strongest winds are 
  expected Saturday afternoon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

WIZ052-058>060-063>066-068>072-020000-
/O.CON.KMKX.WI.Y.0005.210501T1700Z-210502T0000Z/
Sheboygan-Dodge-Washington-Ozaukee-Dane-Jefferson-Waukesha-
Milwaukee-Green-Rock-Walworth-Racine-Kenosha-
Including the cities of Plymouth, Sheboygan Falls, Howards Grove,
Oostburg, Beaver Dam, Waupun, Mayville, West Bend, Germantown, 
Hartford, Mequon, Cedarburg, Grafton, Madison, Watertown, 
Fort Atkinson, Jefferson, Waukesha, Brookfield, New Berlin, 
Menomonee Falls, Muskego, Milwaukee, Monroe, Brodhead, 
Janesville, Beloit, Whitewater, Delavan, Elkhorn, Lake Geneva, 
East Troy, Racine, and Kenosha
1144 AM CDT Sat May 1 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...

* WHAT...Southwest winds 20 to 25 mph with gusts up to 45 mph.

* WHERE...Sheboygan, Dodge, Washington, Ozaukee, Dane, Jefferson 
  and Green Counties.

* WHEN...From noon to 7 PM CDT.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

* ADDITIONAL INFORMATION...Boaters on inland lakes out for the 
  Wisconsin fishing opener should be prepared for buffeting 
  southwest winds and high waves. The strongest winds are 
  expected Saturday afternoon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$
696 
WWUS73 KMKX 011936
NPWMKX

URGENT - WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
236 PM CDT Sat May 1 2021

WIZ051-052-058>060-063>066-068>072-020000-
/O.CON.KMKX.WI.Y.0005.000000T0000Z-210502T0000Z/
Fond du Lac-Sheboygan-Dodge-Washington-Ozaukee-Dane-Jefferson-
Waukesha-Milwaukee-Green-Rock-Walworth-Racine-Kenosha-
Including the cities of Fond Du Lac, Plymouth, Sheboygan Falls, 
Howards Grove, Oostburg, Beaver Dam, Waupun, Mayville, West Bend,
Germantown, Hartford, Mequon, Cedarburg, Grafton, Madison, 
Watertown, Fort Atkinson, Jefferson, Waukesha, Brookfield, 
New Berlin, Menomonee Falls, Muskego, Milwaukee, Monroe, 
Brodhead, Janesville, Beloit, Whitewater, Delavan, Elkhorn, 
Lake Geneva, East Troy, Racine, and Kenosha
236 PM CDT Sat May 1 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...

* WHAT...Southwest winds 20 to 25 mph with gusts up to 45 to 50 
  mph.

* WHERE...Sheboygan, Dodge, Washington, Ozaukee, Dane, Jefferson 
  and Green Counties.

* WHEN...From noon to 7 PM CDT.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

* ADDITIONAL INFORMATION...Boaters on inland lakes out for the 
  Wisconsin fishing opener should be prepared for buffeting 
  southwest winds and high waves. The strongest winds are 
  expected Saturday afternoon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$
693 
WWUS73 KMKX 020003
NPWMKX

URGENT - WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
703 PM CDT Sat May 1 2021

WIZ051-052-058>060-063>066-068>072-020115-
/O.EXP.KMKX.WI.Y.0005.000000T0000Z-210502T0000Z/
Fond du Lac-Sheboygan-Dodge-Washington-Ozaukee-Dane-Jefferson-
Waukesha-Milwaukee-Green-Rock-Walworth-Racine-Kenosha-
Including the cities of Fond Du Lac, Plymouth, Sheboygan Falls, 
Howards Grove, Oostburg, Beaver Dam, Waupun, Mayville, West Bend,
Germantown, Hartford, Mequon, Cedarburg, Grafton, Madison, 
Watertown, Fort Atkinson, Jefferson, Waukesha, Brookfield, 
New Berlin, Menomonee Falls, Muskego, Milwaukee, Monroe, 
Brodhead, Janesville, Beloit, Whitewater, Delavan, Elkhorn, 
Lake Geneva, East Troy, Racine, and Kenosha
703 PM CDT Sat May 1 2021

...WIND ADVISORY HAS EXPIRED...

Gusty west winds will continue to subside this evening. 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 29, 9:04 PM CDTSmall Craft AdvisoryMKX17 hr
Apr 30, 2:48 PM CDTGale WarningMKX29 hr
Apr 30, 3:02 PM CDTFire Weather WatchMKXColumbia, Dane, Dodge, Fond du Lac, Green, Green Lake and 14 more13 hr

Nearby

Wind Advisories in Wisconsin, 2021Every wind advisory 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.