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Hello, and thank you for your inquiry. To better assist you, please tell us what data products you are selecting for your research. The data products in Giovanni are acquired from data providers who have extensive documentation on how the data are processed -- we can provide links to this informatio...

Hello, our staff has attempted to download the file with several different browsers, and were able to successfully download it with each attempt. Please try again, and provide provide additional information on your computing environment if you are still unable to download this file.

Our engineering staff is currently examining this concern, and will respond to your Help Desk query. We will note the resolution here, with a general response if it is an issue not specific to this data request.

Hello, the NASA GES DISC has a couple of resources that may be useful for your interests. For weather specifically, the MERRA-2 dataset is a meteorological reanalysis dataset with hundreds of variables, some of which are generally recognizable (like rainfall and windspeed) and others which are more ...

Hello. Our staff members familiar with the wget download process will be examining your question today. Can you provide a copy of the file list so we can see the date range?

MERRA-2 has zonal and meridional wind components at various vertical levels – for example at 2, 10, and 50 meters above the surface and at 850, 500, and 250 hPa pressure levels. MERRA-2 has three-dimensional wind profiles as well. The following table lists the data collections useful for wind analys...

The GES DISC provides multiple services for subsetting and downloading MERRA-2 data on the Product Landing Page ( see an example for M2T1NXSLV ) for each data collection. Shown below are recommended methods: If the user is interested in subsetting variables over a region: Product landing page ---> S...

Demonstration of how to download MERRA-2 daily mean data over a region from a 3-hourly data collection, M2I3NPASM_5.12.4 (MERRA-2 inst3_3d_asm_Np). Example data: MERRA-2 3-d, 3-Hourly, Instantaneous, Pressure-Level, Assimilated Meteorological Fields (M2I3NPASM_5.12.4). The downloaded daily mean temp...

Hello - our staff will address your MERRA-2 file download problem, but due to staff absences during the July 4 holiday week, we will evaluate the difficulty you describe in the following work week (commencing July 8).

Hello, we have had recent staffing changes and vacations that prevented a timely response to your posting. Were you able to resolve the difficulty with the NLDAS file download? If you are still receiving an error message, please reply and we will address the situation causing the error. I believe yo...