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Full catalog/blizzard-merra2-cfrac
blizzard-merra2-cfrac·dataset

Cloud Cover During Three Blizzards (MERRA-2)

MERRA2 Reanalysis – Cloud Fraction (Select Events)
atmosphere NASA VEDA COG
In plain English

What it measures. Maps of how much of the sky was covered by clouds during three selected blizzard events.

How it's made. Drawn from MERRA-2, NASA's global weather reanalysis that reconstructs past atmospheric conditions.

How & where you'd use it. Helps analysts reconstruct the storm conditions and cloud structure of these blizzards.

What's measured

blizzardmerra2cfrac

Coverage & cadence

  • Time span1991-11-01 → 2016-01-23
  • Spatial extent-180.313, -90.439, 179.881, 90.25
  • FormatsCOG

What you can do with it

  • Map air pollutants — NO₂, aerosols, ozone
  • Track greenhouse gases and Earth's energy budget
  • Feed weather and air-quality analysis
Official description

MERRA2 cloud fraction global reanalysis for three select blizzard events.

Get the data

veda_access.py
# NASA VEDA — open STAC API, anonymous (cloud-optimized GeoTIFFs)
from pystac_client import Client

cat = Client.open("https://openveda.cloud/api/stac")
col = cat.get_collection("blizzard-merra2-cfrac")
items = list(col.get_items())          # browse the analysis-ready COGs
# open an asset with rioxarray:
# import rioxarray; da = rioxarray.open_rasterio(items[0].assets["cog_default"].href)
NASA VEDA is an open STAC catalog — browse and stream the cloud-optimized GeoTIFFs anonymously (no login).