This list of Active Objects appears in Expert Mode and are all the datasets that you currently have open. The last one
(NOAA NCEP-NCAR CDAS-1 MONTHLY Intrinsic PressureLevel u) is the one you are currently working with.
| | means the grid is missing |
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| M | means the grids match |
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| O | means the grids are offset |
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| S | means the grids could match by sampling |
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| D | means the grids differ |
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Grid Comparisons
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When you have multiple variables active, a table of grid comparisons appears to the right. These comparisons are between the last variable and all the others (so the last row always has matches or blanks).
NOAA NCEP-NCAR CDAS-1 MONTHLY Intrinsic PressureLevel u options
You have a number of options for working with this data set.
- Data Viewers or
lets
you interactively pick views of the data, starting with a color plot.
lets you interactively pick views of the data, starting with a contour plot.
lets you interactively pick views
of the data, starting with a line plot.
You can also modify the dataset by
- Data Selection which lets
you pick out subsets of the data, and
- Filters, which lets you perform
calculations on the data.
You can also get the dataset output as
Dataset Documentation
We start with a quick reminder of where you are in the collection of datasets.
As you go from left to right, the datasets listed get more and more specific, ending with the current dependent variable, NOAA NCEP-NCAR CDAS-1 MONTHLY Intrinsic PressureLevel u.
Datasets with documentation are marked (*): the * links to the documentation directly.
Grids
Grids are the independent variables, i.e. what the current dependent variable (u) depends on.
- Pressure
- grid: /P (mb) ordered [ (1000) (925) (850) (700) (600) (500) (400) (300) (250) (200) (150) (100) (70) (50) (30) (20) (10)] :grid
- Time
- grid: /T (months since 1960-01-01) ordered (Jan 1949) to (Dec 2008) by 1. N= 720 pts :grid
- Longitude
- grid: /X (degree_east) periodic (0) to (2.5W) by 2.5 N= 144 pts :grid
- XY
- grid: /XY (unitless) ordered (1.) to (3.) by 1. N= 3 pts :grid
- Latitude
- grid: /Y (degree_north) ordered (90N) to (90S) by 2.5 N= 73 pts :grid
Other Info
These are additional attributes, some of which can be used to change how the data is processed or displayed.
- calendar
- standard
- center
- US Weather Service - National Met. Center
- datatype
- integerarraytype
- filepattern
- /Data/data6/ncep-ncar/reanI/prs/prs.grib.mean.%6d
- grib_name
- UGRD
- GRIBgridcode
- 2
- gribleveltype
- 100
- gribNumBits
- 12
- gribparam
- 33
- PDS_TimeRange
- 113
- process
- 62 wave triangular, 28 layer Spectral model from "Medium Range Forecast" run
- PTVersion
- 2
- scale_max
- 124.4
- scale_min
- -66.379997
- subcenter
- NCEP Ensemble Products
- units
- m /s
- standard units*
- meter second-1
References
These are references to the literature for this dataset.Kalnay, E., M. Kanamitsu, R. Kistler, W. Collins, D. Deaven, L. Gandin, M. Iredell, S. Saha, G. White, J. Woollen, Y. Zhu, A. Leetmaa, B. Reynolds, M. Chelliah, W. Ebisuzaki, W. Higgins, J. Janowiak, K. C. Mo, C. Ropelewski, J. Wang, R. Jenne, and D. Joseph. The NCEP/NCAR 40-Year Reanalysis Project. Bulletin of the American Meteorological Society, March, 1996
NOAA NCEP-NCAR CDAS-1 MONTHLY Intrinsic PressureLevel u[ X Y | P T]