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Each hourly weather forecast has two columns with date and time. The first column: forecast creation date and time (the column (1) in a table below). The second column: forecast hour (the column (2) in the table below).

Is there an established term for the second column? Points? Slices?

  • The Weather Company uses 'Time' name for this column.
  • NOAA uses 'Output Timestep' name for this column in the GFS forecast model.

And also, is there the right term for the first column?

Table with example of hourly weather forecast
+--------------------+---------------+----------------+
| Forecast Creation  | Forecast Hour | Temperature, K |
| Date and Time (1)  |       (2)     |      (3)       |
+--------------------+---------------+----------------+
| 2019-03-28, 00-00  | +0            | 303            |
| 2019-03-28, 00-00  | +3            | 305            |
| 2019-03-28, 00-00  | +6            | 307            |
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| 2019-03-28, 06-00  | +0            | 307            |
| 2019-03-28, 06-00  | +3            | 308            |
| 2019-03-28, 06-00  | +6            | 309            |
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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