新澳门六合彩内幕信息

Clouds, A Love Story

Scientists and Spouses Adele and Matthew Igel Have Their Heads in the Clouds

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Matt Igel and Adele Igel together
鈥淚 have a partner in crime,鈥 said Matt Igel of wife Adele Igel. The Igels are both atmospheric scientists at 新澳门六合彩内幕信息 Davis. (Courtesy Matt Igel)

Cloud-watching is a classic bucket-list date idea. But what happens when the date is attended by two professional cloud watchers? 

新澳门六合彩内幕信息 Davis atmospheric science professors Adele and Matthew Igel met over their shared love of clouds. Their cloud-watching dates are a little more professional now, but still romantic. With clouds, as with love, there is always more to know. 

鈥淎 lot of people don鈥檛 even notice that we still have really fundamental questions about what makes clouds tick,鈥 said Matthew. 

What are clouds? 

A cloud is simply a collection of tiny water droplets suspended in the air. When warm air moves upwards, it cools, and relative humidity increases. When relative humidity reaches 100%, a cloud is formed. 

With over two-thirds of the planet covered in clouds at any moment, clouds are vital to the water cycle and for keeping the Earth cool. They're also the root of daily weather patterns. 

鈥淎 cloud is the engine that makes the weather work,鈥 said Matthew. Weather and climate have daily and long-term impacts on the globe. 

white and gray clouds billow over a winter tree under a blue sky after a rain
Clouds billow over Yolo County after a rain. (Kat Kerlin, 新澳门六合彩内幕信息 Davis)

Cloudy with a chance of romance 

Adele and Matthew met as undergraduate students at North Carolina State University. They followed each other to grad school at Colorado State University, and then ended up as faculty at 新澳门六合彩内幕信息 Davis. They got married under snowing clouds, and the rest is history.

鈥淲e鈥檝e essentially written papers together without trying,鈥 Matthew said. 鈥淲e鈥檙e around each other all the time, so an idea comes along and it just sort of happens.鈥 

Aerosols, weather, and climate change

Head shot of atmospheric scientist Adele Igel of 新澳门六合彩内幕信息 Davis
Adele Igel.

Still, the Igels come at their research from contrasting perspectives. Matthew operates at the large-scale processes of weather, air and energy flow, while Adele鈥檚 research is on the individual, tiny cloud droplet scale.  

She studies aerosols, or the 鈥渟eeds of clouds.鈥 Water vapor needs aerosols to condense into droplets within clouds, whether that particle be a speck of dust, ocean salt, or human-released smoke.

鈥淭he Industrial Revolution put a lot of extra aerosol particles in the atmosphere, and those particles have actually been offsetting the climate warming by reflecting sunlight,鈥 Adele said.

If there are more aerosols in the air, clouds reflect more sunlight. But these particles have a negative impact, too:

鈥淲e have a lot of extra carbon dioxide in the atmosphere, and aerosol particles contribute to a lot of health problems,鈥 she said.

Adele is working to understand this balance of how aerosol abundance and composition impact weather and climate, both now and in the future. She is focusing on cloud systems in the Arctic, where there are very low concentrations of aerosols.

lenticular clouds
Clouds that form over mountain peaks, lenticular clouds, are Adele's favorite type of cloud. (National Park Service)

Fine-tuned forecasting 

Matthew's research scale is a little larger than 5 microns. He studies cloud behavior and their contributions to weather. 

Atmospheric scientist Matt Igel in red ball cap, sunglasses and red shirt with mountain backdrop
Matthew Igel

鈥淚 like to say whenever the weather needs something done, it asks a cloud to do it,鈥 Matthew said. 鈥淏ut to have a weather model, you have to tell it what a cloud is. So I try to understand what makes clouds tick.鈥 

But don鈥檛 blame him for unreliable weather forecasts. According to Matthew, weather apps are 鈥渆xceptionally poor鈥 and often use their own, unproven forecasting systems. He only relies on the National Weather Service for forecasts. 

Matthew is also working on a model called The DONUT, which he hopes will make weather forecasting more 鈥渃omplete,鈥 and focused on small-scale weather, not just broad systems. 

鈥淥ur ability to not only forecast, but to really understand why individual clouds and individual thunderstorms occur in the precise locations that they do is still really lacking,鈥 Matthew said, connecting this to how it can rain in one place, but be completely dry a few steps away. 

Understanding these forecasts also contributes to climate models. Under climate change, clouds and weather could be very different than they are now. This potential shift in cloud behavior and precipitation in the future is a hot topic of research. 

ski slopes
Matthew's favorite cloud is "any cloud that is snowing on me while I'm snowboarding." (Courtesy Sam Walker)

Before Cloud 9

Matthew knew his life鈥檚 path in elementary school. He grew up in upstate New York, where snow would fall nearly every winter day. 

鈥淚 dedicated a lot of time to trying to figure out what it was going to take to have school canceled,鈥 Matthew said. 鈥淚 just love snow. It all kind of came together for me when I was 10 or 12 years old, and I've really never looked back. 

鈥淚 was the sort of kid where if I was cloud watching, I was probably out there giving the scientific names of the clouds going by, rather than trying to see that it was a rabbit or a bear or something,鈥 he added. 

Adele鈥檚 passion for weather and clouds began later in her life after embarking on an internship, where she flew through cumulus clouds on an airplane while measuring the temperature, water vapor, and properties of cloud droplets. 

鈥淚t was just so fun,鈥 she said. 

Now, the Igels fight over the window seat in planes. 

鈥淭hat seat is at an absolute premium,鈥 Matthew joked. 


Malia Reiss is a science news intern with 新澳门六合彩内幕信息 Davis Strategic Communications. She studies environmental science and management at 新澳门六合彩内幕信息 Davis.

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Kat Kerlin, 新澳门六合彩内幕信息 Davis News and Media Relations, 530-750-9195, kekerlin@ucdavis.edu 

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