9/23/2023 0 Comments Mr corner crona![]() ![]() '' Weather and Climate services are as robust as the underlying data is, NCEI has been collaborating with WMO to make sure this dataset is consistently quality controlled and well-packaged and delivered to meet the need of international communities and WMO Members,'” says Jay Lawrimore, a meteorologist in the dataset section of NCEI. NCEI’s new publication is in line with that recommendation. The World Meteorological Congress recommended that the new 30-year baseline, 1991-2020, should be adopted globally and pledged support to Members to help them update their figures. Until the end of 2020, the most current and widely used standard reference period for calculating climate normals was the 30-year period 1981-2010. “Thus, it is necessary to update the climate normals for operational services for decision-making, for example for forecasts of peak energy loads and recommendations on crop selection and planting times,” he says. Omar Baddour, chief of climate monitoring at WMO. As a result, decision-makers in climate-sensitive sectors and industries such as water management, energy, health, agriculture and viticulture could be basing important decisions on information that may be out of date,” says Dr. “Rising atmospheric concentrations of greenhouse gases are changing the Earth’s climate much faster than before. WMO recommends that the 30-year standard reference periods be updated every decade to better reflect the changing climate and its influence on our day-to-day weather experience. Additional countries will still be submitting their updates in the coming months. The US National Centers for Environmental Information (NCEI) have just issued the new WMO Climatological Standard Normals 1991-2020 to replace the previous baseline of 1981-2010. It’s important to use a long-term average because of the natural variability in our climate. These are averages of climatological data over a 30-year period. In order to assess whether a given day, week, month or year is warmer or wetter than average, WMO uses 30-year-long baselines, known as Climatological Standard Normals or CLINO. The updated information from more than 140 countries and thousands of locations is the climate equivalent of a census and is vital for monitoring climate change and for climate sensitive sectors. Comprehensive new climate datasets have just been published after a massive two-year effort by members of the World Meteorological Organization (WMO) and the US National Centers for Environmental Information (NCEI). ![]()
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