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242 contents match your search.
Bulletin nº Vol 63 (2) - 2014
Publish Date: 3 November 2014
Cities – particularly megacities – are becoming focal points for climate change impacts. Rapid urbanization, accelerating demand for housing, resource supplies and social and health services, place pressure on already stretched physical, social and regulatory infrastructure, heightening risks and vulnerability. In South America, internal migration flows – as well as immigration – are mostly to cities.
Bulletin nº Vol 65 (1) - 2016
Theme: Disaster risk reduction
Publish Date: 21 March 2016
Climate-related displacement is already a global reality. Every year, the lives of millions of people are affected when they are displaced by the impacts of weather and climate hazards. Some of the largest disasters make the international headlines, but most disasters do not even make the national news.
Sand and dust storms are common meteorological hazards in arid and semi-arid regions. They are usually caused by thunderstorms – or strong pressure gradients associated with cyclones – which increase wind speed over a wide area. These strong winds lift large amounts of sand and dust from bare, dry soils into the atmosphere, transporting them hundreds to thousands of kilometres away. Some 40% of aerosols in the troposphere (the lowest layer of Earth’s atmosphere) are dust particles from wind erosion.
Publish Date: 28 July 2020
The World Meteorological Organization (WMO) and international science partners hosted a virtual global symposium from 4 to 6 August to review the relationship between weather, climate and environmental factors and the spread of COVID-19.
MeteoWorld invites its readers to visit the multimedia WMO Chronology of Weather Science and fly through the history of weather research on the traces of the people and institutions that have supported the progress of Earth System Science!
The Red Cross announced the release of funding to reduce the impacts of extreme winter weather on vulnerable herders following an announcement of Mongolia’s National Agency for Meteorology and Environmental on 2 January that 50% of the country was at risk of an extreme winter. It was the first time that the early action funding mechanism developed by the International Federation of Red Cross and Red Crescent Societies (IFRC) was used anywhere.
Publish Date: 23 June 2020
The World Meteorological Organization is seeking to verify a new record temperature north of the Arctic Circle of 38° Celsius. This was on 20 June in the Russian town of Verkhoyansk amid a prolonged Siberian heatwave and increase in wildfire activity.
Publish Date: 24 June 2020
A World Meteorological Organization (WMO) committee of experts has established two new world records for the longest reported distance and the longest reported duration for a single lightning flash in, respectively, Brazil and Argentina.
Bulletin nº Vol 67 (2) - 2018
Publish Date: 16 November 2018
In 2005, the television coverage of Hurricane Katrina, a deadly tropical cyclone that hit the North American coast near New Orleans, was both heartbreaking and enthralling to view. As I...