6-Hourly NCEP/NCAR Reanalysis Data Composites

Plot maps or composites of variables from the NCEP/NCAR Reanalysis dataset. Data is available from Jan 1948 to Dec 31, 2011 for most variables

Some variables are not updated as frequently.

Variables

Analysis level?

Enter Year, Month and Day and Hour(0,6,12,18z) for composites
For example, 1999 1 1 18 (Don't type in the z). To subtract one set of days from another, use a minus sign (-) before the years of the days that are to be subtracted. Default is last available date for variable.

OR to Enter Year of last day of range

OR File with Dates Optional Plot Label replaces list of dates.

Filename: Plot Label:

Hours to add or subtract:

This number of days will be added (or subtracted) from all input dates. Please use all positive dates for input.

Color?

Shading Type

Plot type? Mean
Scale Plot Size(%)	Plot contour labels?No Yes

Override default contour interval ? Interval: Range: lowhigh

Region of globe

If CUSTOM:
Enter lowest lat (-90 to 90) Highest lat
Enter western most longitude (0 to 360) Eastern most longitude
Choose projection for CUSTOM:
Choose height range for CROSSECTION: to

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