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A rainbow, reportedly lasting nearly 9 hours, was witnessed over the Chinese Culture University in the mountains of Taipei in 2017.
Prof Chou, Prof Liu Ching-huang and students documented the rainbow. Their observations, pictures and video recordings showed the rainbow lasted from 06:57 until 15:55 – totalling eight hours and 58 minutes.
This year we’ve produced a digital 'RMetSmas' Advent Calendar with interesting weather, climate & RMetS-related links, articles, images, merchandise, videos & suggestions each day taking you right up to Christmas! Enjoy!
Click on the doors below:
Since mid-November 2017, Mount Agung on the Indonesian Island of Bali has been emitting steam and ash, lava is visible in the crater and rivers of mud have been flowing down its sides. However, Agung is capable of a much more explosive eruption, which would have a much greater impact both locally and globally. The more explosive the eruption, the higher the volcanic ash, sulphur gases and other debris is pushed into the atmosphere. Agung last erupted in 1963, having been dormant for over a century.
Heavy overnight rain on 15th November caused flash flooding in parts of Greece, particularly Mandra, Nea Peramos and Megara, west of Athens.
At least 15 people have been killed and it has caused widespread destruction in central Greece as people were unprepared for the fast-flowing torrents of red mud that flooded the roads and thousands of homes. The sheer force of the water moved vehicles, damaged walls and roofing.
The Surface Weather Instrument Technology Challenge (SWITCH): Can you design and build an instrument for no more than £50?
NASA have produced a very impressive visualisation showing different aerosols in the atmosphere; smoke, sea salt, and dust. Smoke, sea salt, and dust are important for cloud formation and precipitation, whilst smoke and dust have a significant impact on human health.
The World Meteorological Organization (WMO) released its provisional Statement on the State of the Climate this week, estimating that 2017 is likely to be one of the warmest years for global average surface temperature, with many high-impact events including catastrophic hurricanes, floods, heatwaves and droughts. The Statement was released on the opening day of the United Nations climate change conference in Bonn.
The World Meteorological Organization (WMO) have released their annual Greenhouse Gas Bulletin which described the state of greenhouse gases in the atmosphere, based on Global observations through to 2016.
Five feet of hail and rainfall was deposited in minutes in the province of Cordoba in central Argentina on 26th October. Some of the hailstones were as big as tennis balls. It left roads closed and vehicles stranded, and there were reports of several injuries and damage to homes, cars and trees.
YouTube footage from macentertainment
On Tuesday 5th September, Hurricane Irma developed into one of the Atlantic’s most powerful storms. The category 5 hurricane - highest category storm on the Saffir-Simpson scale (a commonly used scale that attempts to measure potential property damage from storm winds) - had wind speeds around 185 mph, matching those of Wilma in 2005 which killed 87 people and cost billions of dollars in damage.
