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CMA upgrades global numerical weather prediction GRAPES_GFS Model - China Meteorological Administration

27. april 2021, WMO, Novice, Vreme

In April 2021, China Meteorological Administration (CMA) began the operation of an upgraded global numerical weather prediction (NWP) system ? GRAPES_GFS V3.1. The major physical improvements are outlined as follows:?1.?Methane Oxidation Scheme - 2.?Land surface model -?3.?Moist physical processes Read more >>?

Objavljeno 27.4.2021 v/na WMO

Early warning initiative advances in a pandemic

11.5.2021, WMO

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Geneva, 11 May 2021:?The COVID-19 pandemic has exacerbated impacts of extreme weather and climate change in...

WMO Aerosols Bulletin focuses on fires

10.5.2021, WMO

A new World Meteorological Organization bulletin on Aerosols examines the impact of biomass burning (wildfires and open burning for agriculture) on climate and air quality. It covers the episodes of the 2019/2020 Australian bushfires, the 2015 Indonesia peatfires and smoke transport from boreal forest fires to the Arctic.
Worldwide fire activity evolves continually throughout the year and many regions of the world have relatively clearly defined fire seasons that do not vary significantly from one year to another. This is generally most apparent in tropical regions where fire conditions...

Global methane assessment released

7.5.2021, WMO

A Global Methane Assessment released by the Climate and Clean Air Coalition (CCAC) and the United Nations Environment Programme (UNEP) shows that human-caused methane emissions can be reduced by up to 45 per cent this decade.
Such reductions would avoid nearly 0.3?C of global warming by 2045 and would be consistent with keeping the Paris Climate Agreement?s goal to limit global temperature rise to 1.5 degrees Celsius (1.5?C) within reach.
The?assessment, for the first time, integrates the climate and air pollution costs and benefits from methane mitigation. Because methane is a key...

Updated 30-year reference period reflects changing climate

5.5.2021, WMO

The U.S. National Oceanic and Atmospheric Administration has updated the U.S. Climate Normals?to the ?1991-2020 baseline period ?to provide a most recent baseline for climate information and services to climate-sensitive sectors and a standard reference to compare variations in temperature, precipitation etc to the 30-year average.
The move is in line with a World Meteorological Organization recommendation that the 30-year standard reference periods should be updated every decade in order to better reflect the the changing climate and its influence on our day-to-day weather...

WMO joins Emergency Alerting Call to Action

29.4.2021, WMO

WMO has joined with the International Federation of Red Cross and Red Crescent Societies (IFRC) and the International Telecommunications Union (ITU) to issue a joint Call to Action to improve availability and use of standardized emergency alerts.
The heads of the three organizations endorsed the call to ?collectively scale up our efforts to ensure that by 2025 all countries have the capability for effective, authoritative emergency alerting that leverages the Common Alerting Protocol (CAP), suitable for all media and all hazards.?
Every year, disasters lead to tragic loss of lives and...

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