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Ice cover tour of Madison's lakes with Wisconsin State Climatology Office

“Ice off” declaration from Wisconsin State Climatology Office

The Wisconsin State Climatology Office declared “ice off” for Lake Mendota and Lake Monona on Sunday, March 31, 2019. Lake Wingra’s “ice off” was declared on March 28, 2019. Lake Mendota recorded 86 days of ice during the winter of 2018/19, while Lake Monona had 97 days of ice and Lake Wingra had 111 days of ice cover.

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Flooded pier on Lake Mendota

Clean Lakes Alliance Statement to Dane County Lake Level Task Force

This statement was presented by Clean Lakes Alliance Executive Director James Tye to the Dane County Lake Level Task Force on March 5, 2019.

Clean Lakes Alliance applauds the leadership of the Dane County Board and the Dane County Executive in putting $12 million toward flood recovery and lake improvement projects in the 2019 budget, and in creating the Technical Work Group and task force to address recent flooding around the Yahara Chain of Lakes. We believe these initiatives help move us toward becoming a more resilient community. But we need to work together as a community to address the increasing volume of water and runoff BEFORE it enters our lakes and waterways.

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Yahara Watershed Academy - Feb 2019

Growing a new group of lake leaders

About the author: My name is Karin Swanson and I am a student of the Yahara Watershed Academy. I work for Clean Lakes Alliance as the Marketing and Communications Associate Manager and I am a meteorologist. I will bring you along on my journey through the Academy in an effort to expand our community’s knowledge and passion for the Yahara River Watershed.

Karin Swanson

The 2019 Yahara Watershed Academy (YWA) began on a very snowy February 12th. Snow started the evening of February 11th, with ten inches accumulating by the time the storm ended on the 13th. But the snow didn’t stop our group of students from learning about the Yahara River Watershed.

The YWA is made up of five day-long courses once a month, with students graduating in June. The Academy involves a partnership with the UW-Madison Nelson Institute for Environmental Studies and Edgewood College. Graduates will have received the knowledge and skills to become a network of informed leaders for our watershed.

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2019 Frozen Assets Kites
Cover Photo Courtesy Jeff Halverson Photography

Frozen Assets raises more than $1,000,000 net since 2012!

With more than 6,000 visitors joining us at The Edgewater and on Lake Mendota, Frozen Assets raised more than $127,000 net for our lakes this year. THANK YOU to all of our sponsors, guests, volunteers, and event partners who made the festival and fundraiser a huge success!

Thank you to our presenting sponsor Lands’ End and to our platinum sponsor The Edgewater. Lands’ End provides critical funding and apparel to keep our staff and volunteers warm. The Edgewater and its staff were incredible hosts of the festival and fundraiser for the FIFTH year in a row!

Funds raised will be used to purchase easements for three miles of buffer strips, which help capture nutrient-rich runoff from farm fields before it enters our lakes. See some of the other projects we’ve been up to since our founding in 2010.

Keep reading for a recap of the event and respond to our survey below to give us feedback about how we can make next year even better!

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Frozen Assets on Land

Clean Lakes Alliance’s Frozen Assets Festival is ON!

Lake Mendota ice activities moved on land February 1st, 2nd, and 3rd

Madison’s favorite winter festival is moving forward with a full slate of activities during the first weekend of February at The Edgewater. Warm temperatures and a virtually snowless winter have left Lake Mendota’s ice cover in question for the February Frozen Assets Festival, presented by Lands’ End. But even if the ice is off, the FESTIVAL IS ON!

“Our number one goal every year is safety,” said Clean Lakes Alliance Executive Director James Tye. “We of course always want to be able to use Lake Mendota – our largest ‘frozen asset’ – for our festival. We have a great partnership with The Edgewater allowing us to hold events even if a changing climate takes away our ice.”

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2018 Flooding

Yahara Lakes 2018 Water Quality Monitoring Results

Overview

From May to September of 2018, water quality monitoring took place at piers and beaches around the five Yahara lakes. Volunteers measured near-shore water clarity, air and water temperature, and noted several visual observations. Visual observations included presence of algal blooms (green/blue-green), floating plant debris, swimmers, waterfowl, wave intensity, and general water appearance. Volunteers report conditions on our website, Lakeforecast.org. The website displays updated data in real time.

Highlights

  • 79 near-shore and 7 offshore monitoring stations on all five Yahara lakes (Figure 1)
  • Weekly off-shore measurement of Secchi depth on all five lakes
  • Measured temperature and dissolved oxygen profiles on all five lakes (seven sites total)
  • Weekly monitoring continued at all 25 public beaches
  • 44% increase in number of condition reports from 2017 (Table 1)
  • Collected continuous near-shore temperature measurements at 17 sites on lakes Mendota, Monona, and Waubesa, and Kegonsa
  • Implemented E. coli sampling and cyanobacteria toxin testing pilots
  • Averaged 2.3 condition reports per site each week across all sites
  • Continued weekly Weekend Lake Reports with over 77,000 views on social media
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Lake Mendota Frozen Dec 2018

It’s Official – ICE ON for Lake Mendota!

Ice on date beats median freeze date by five days

Despite warm weather in Madison over the weekend, cool nights, light winds, and cold water helped Lake Mendota officially freeze on Saturday, December 15th. Lake Mendota, the largest lake in the Yahara Watershed, froze eight days after the smallest lake in the watershed, Lake Wingra, which officially froze on December 7th. Lake Monona officially froze on December 11th.

The Wisconsin State Climatology Office requires ice to hold for a period of 24 hours before a lake can officially be declared frozen over. After ice took shape this weekend, staff waited to see whether it would hold out through the warm daytime temperatures. The December 15th freeze date is 12 days ahead of last year’s December 27th freeze date, and a surprising five days ahead of the December 20th median freeze date. The latest freeze date for Lake Mendota was January 30th – which happened in the winter of 1932.

The Wisconsin State Climatology Office makes the official determination as to whether the lake is frozen. The climatologists use the same guidelines they have used for decades to determine whether the lakes are iced over. This allows for a continuity in data collection. Read more: Determining ice cover on Madison’s lakes.

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Frozen-Assets-5k

Join us for the Frozen Assets 5K, America’s only 5K on a frozen lake!

REGISTER TODAY

Take a break from the hilly pavement and bring your stride to the ice. In the Frozen Assets 5K race, participants will run or walk across the ice on iconic Lake Mendota with beautiful views of downtown Madison and the University of Wisconsin-Madison campus. The course will start and end at The Edgewater, right in the heart of the Frozen Assets Festival!

Registration

Your registration to the Frozen Assets 5K includes admission to the race with optional chip timing. Online registration closes Wednesday, January 20th. The registration pricing schedule is below:

November 1 $35 :: Early bird
December 31 $40 :: Regular price
February 2 $45 :: Same day

Best of all, your registration supports work to protect and improve water quality in our lakes!

Divisions

The event is chip-timed for runners, sign up for the walk pass for an untimed event. Awards will be given to the top three male and female finishers.

Terms & Conditions of Entry

By registering for this event, you agree to the Frozen Assets 5K Terms & Conditions of Entry. All entrants must read and agree to this declaration.

Weather

Race organizers reserve the right to alter the course due to factors including, but not limited to, ice conditions and weather. If conditions are deemed unsafe, the event may be cancelled or moved to an alternate location. Participants will be notified of any changes ahead of the event.

FAQs

Is there parking available?
Event parking will be available at The Edgewater for $5. Participants may also find street parking or use other City of Madison parking ramps.

What is the course?
The course is a loop on Lake Mendota to Picnic Point and back.

When can I check-in or pick up my bag?
Participant check-in and registration the day of the event will begin at 9 a.m. An optional bag pickup will be held on Thursday, Jaunary 31st from 4-8 p.m.

What happens if ice conditions are unsafe?
Clean Lakes Alliance will make every effort to hold this event, while keeping safety in mind for all competitors. If conditions are deemed unsafe, the event may be cancelled or moved to an alternate location, with entrance fees being considered a tax-deductible donation to support our lakes.Participants will be notified of any changes ahead of the event.

What is the refund policy?
Registrations are transferrable and non-refundable. Thank you in advance for your donation to support our lakes!

Volunteer Day

Volunteers remain loyal to our lakes

It was a year of obstacles for our lakes, but volunteers are dedicated to improving our waters

From cyanobacteria (blue-green algae) blooms, to elevated bacteria (E. coli) levels, to flooding, our lakes have had a tough season. With our lakes facing so many obstacles, it makes Clean Lakes Alliance even more appreciative of its volunteers.

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