Super Tropical Cyclone Amphan in Bay of Bengal

Top ten case studies for 2020

January–December 2020

Super Tropical Cyclone Amphan in Bay of Bengal
Super Tropical Cyclone Amphan in Bay of Bengal

A look at our most popular case studies from 2020.

Last Updated

05, January 2021

We've taken a look back at the case studies entries we've produced this year and compiled a list of our most popular studies in 2020.

Our case on pollution levels dropping during the first COVID-19 lockdown gained the most visits and the most engagement on social media.

 

2020 case studies

Pollution levels drop during COVID-19 lockdown

1: Pollution levels drop during COVID-19 lockdown

The COVID-19 lockdown in early 2020 had a visible effect on pollution.

Read the COVID case study

 
Arctic Sea Ice minimum 2020

2: Arctic Sea Ice Minimum 2020

In September 2020 the Arctic sea ice extent shrunk to the second lowest in the 42-year satellite record, behind September 2012. Meanwhile, October 2020 became the lowest on record.

Read the Arctic sea ice case study

 
Urban flash flood in Zagreb

3: Urban flash flood in Zagreb

Extreme rainfall on the evening of 24 July 2020 left the Croatia capital Zagreb under water.

Read the flash flood case

 
Super Tropical Cyclone Amphan in Bay of Bengal

4: Super Tropical Cyclone Amphan in Bay of Bengal

Low pressure area that formed on 13 May intensified into a Super Tropical Cyclone Amphan on 18 May, due to exceptionally warm waters in the Bay of Bengal.

Read about Amphan

 
Cold spell in Europe

5: Cold spell in Europe

In Europe, March 2020 ended with a cold spell, due to a strong cold air outbreak from the north.

Read the case study

 
2018 and 2019 Drought and Heatwaves in Europe

6: 2018 and 2019 Drought and Heatwaves in Europe

In depth analysis looking at the exceptionally dry, hot summers of 2018 and 2019.

Read about the drought and heatwaves

 
Dusty Dry Conveyor Belt

7: Dusty Dry Conveyor Belt

The Dry Conveyor Belt (DCB) is usually free of clouds in the mid and higher levels, so barely traceable on solar imagery, but in February 2020 it could be seen due to dust transport.

Read about dust transport

 
Aralkum Desert dust pollutes air in South-East Europe

8: Aralkum Desert dust pollutes air in South-East Europe

High values of particulate matter (PM10) were recorded in the air in many places across South-East Europe on 27 March 2020. The source of dust was traced back to Aralkum Desert.

Read the dust case study

 
Smoky hurricane

9: Smoky hurricane

A large smoke cloud was sucked into Hurricane Paulette in September 2020, changing microphysical properties of associated cloud bands.

Read the hurricane case study

 
Storms hit France in early October

10: Storms hit France in early October

Europe was battered during the first October weekend in 2020, with extensive storms, extreme rainfall and flooding.

Read the storm case study

 

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EUMETSAT images on Flickr