Field

ERA-20C MSL

X axis: whole world in 256 1.41° steps, first point at 0.00° E, last point at 358.59° E
Y axis: Gaussian grid with 128 steps, first point at 88.93° N, last point at 88.93° S

1-daily data available from 01Jan1900 to 31Dec2010 ( 40626 times)
Variable msl (Mean sea level pressure) in Pa
Full metadata. The associated land/sea mask is available for some operations

Get grid points, average area or generate subset

Mask:	no mask   add a mask to the list
Latitude:	°N - °N
Longitude:	°E - °E
Year range:	-
Boundaries:	halfway grid points interpolated
Make:	average max min set of grid points subset of the field
Considering:	everything land points sea points show/hide more only land points only sea points not land points not sea points
Units:	convert to mb leave in Pa

Create a field with lower time resolution

First fill missing data:	ignore, climatology, trend, persistence.
Then apply:	-day running mean with direction backward centred forward
Then apply new time scale:	keep same time scale annual (Jul-Jun) annual (Jan-Dec) biannual seasonal monthly 10-daily 5-daily
New variable:	mean sd sum sum above sum below number min time of min max time of max first time last time of MSL
Minimum:	% valid data
Threshold:	no cut less than greater than Pa percentile normal 1971-2000

Create a field with lower spatial resolution

Average over blocks of longitude and latitude grid cells

Compute geostrophic wind components from this field

Contains modified Copernicus Climate Change Service information. Please read and agree to the Copernicus license before downloading.

Please consider downloading this field from the authoritative site.
If you really want to get it here, ERA-20C MSL is available as a netcdf file (size 2782.46 MB).

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