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#precipitation

2 posts2 participants1 post today

Mountains and Glaciers: Water towers
UN World Water Development Report

Mountain waters are essential to humans and ecosystems

The 2025 edition of the #UnitedNations World Water Development Report highlights the importance of #mountain waters, including alpine #glaciers, which are vital for meeting basic human needs such as water supply and sanitation. They are also essential to ensuring #food and #energy security to billions of people living in and around mountain regions and areas downstream. They also support economic growth through various water-reliant industries. As the ‘water towers’ of the world, mountains are an essential source of fresh #water. They store water in the form of #ice and #snow during cold seasons, releasing it during warmer seasons as a major source of fresh water for users downstream. Mountains play a unique and critical role in the global #WaterCycle, and they affect atmospheric circulation, which drives #weather and #precipitation patterns.

unesco.org/reports/wwdr/en/202

#Environment
#ClimateCrisis
#Cryosphere

Any #nasa #gpm #imerg users around? I'm trying to figure out what is the time period for the daily #precipitation dataset. It says it's from 00:00 to 23:59 hrs but at what time zone?

Is that UTC? So for São Paulo (UTC-3) does that means that the daily precipitation is calculated using data from 21:00 (previous day) to 20:59?

Asking because I'm trying to compare it with rain gauge data (hourly and daily)

@ECMWF's Artificial Intelligence Forecasting System (AIFS) is now operational, issuing forecasts from a single model run.

ecmwf.int/en/about/media-centr

Using the 2025-03-01 06:00 UTC AIFS Single forecast, here is the 2025-03-01 18:00 UTC (T+12h) forecast mean sea level pressure and 6-hour accumulated #precipitation (water equivalent) over Europe and North America.

#ecmwf#weather#wx