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Bulletin nº Vol 66 (1) - 2017
Publish Date: 23 March 2017
A new edition of the International Cloud Atlas is scheduled to be released simultaneously with this Bulletin following three years of hard work.
The World Meteorological Day Celebration at WMO will start at 14h30 (GMT+1). There are three guest speakers, one speaking live from Hong Kong, China. A live video stream is available.
Theme: Environmental challenges
Publish Date: 2 March 2015
By WMO Secretariat 1 The 2014 Ozone Assessment provides the latest update of the current state of the ozone layer and makes predictions on when the ozone layer will return...
Publish Date: 2 March 2015
United Arab Emirates Research Program for Rain Enhancement Science Calls for International Submissions The world’s population is expected to increase by a further three billion by 2050 – and 90%...
Bulletin nº Vol 63 (2) - 2014
Publish Date: 3 November 2014
The In-service Aircraft for a Global Observing System (IAGOS) uses commercial passenger aircraft as a platform for the measurement of the composition of the atmosphere. It is one component of the European Research Infrastructure for gathering long-term, routine in-situ observational data on the state of the atmosphere.
Publish Date: 25 May 2017
Forecasters at NOAA’s Climate Prediction Center say the Atlantic could see another above-normal hurricane season this year. For the upcoming Atlantic hurricane season, which runs from June 1 through November 30, forecasters predict a 45 percent chance of an above-normal season, a 35 percent chance of a near-normal season, and only a 20 percent chance of a below-normal season.
Publish Date: 1 September 2017
The WMO Expert Team on Climate Impacts on Tropical Cyclones has issued a statement on possible linkages between Hurricane Harvey and anthropogenic climate change. The Expert Team consists of renowned international scientists and is a working group of the WMO World Weather Research Programme.
Publish Date: 12 September 2017
Hurricane Irma caused devastation in low-lying Caribbean islands, made landfall in Cuba as the first category 5 hurricane since 1924 and made landfall again in Florida, USA, on 10 September as a very dangerous category 4 hurricane on the Saffir-Simpson windscale. The US National Weather Service and US National Hurricane Center warned of life-threatening storm surge, floods, tropical storm force winds, torrential rain and tornadoes as large parts of Florida were paralysed by the storm.
Publish Date: 28 August 2017
Unprecedented rainfall totals from tropical cyclone Harvey caused catastrophic flooding in southeastern Texas and southeastern Louisiana, leaving dozens of casualties, displacing thousands and causing huge economic disruption. Warnings and advisories from the US National Hurricane Center and US National Weather Service were pivotal in the disaster mobilization effort. Large parts of southeast Texas saw more than 30-35 inches (762-889 mm) with isolated amounts up to 42 inches (1067 mm) of rain since 24 August. Cedar Bayou in Texas received 51.88 inches of rain (1.3 meters), according to the U....