The ForO system allows data download from previous WRF model run simulations in an ASCII format. The user may select the available options from the drop down menu as shown in the next example figure:
The file contains a header and 6 columns, corresponding to an internal ID, the observatory (ORM or OT), the start and end time of the WRF model run, and finally the timestamp and forecasted PWV in millimeters.
The head contents of the downloaded file are shown hereafter just as an example:
# Thank you for using the IAC PWV forecast database.
# The Forecasted Precipitable Water Vapour data has
# been provided by the Sky Quality Group of the
# Instituto de Astrofisica de Canarias.
# PRECIPITABLE WATER VAPOUR FORECASTED BY WRF MODEL.
# ID SITE START TIME [UTC] END TIME [UTC] TIME PWV(mm)
0000000165 OT 2018-07-15 18:00:00 2018-07-15 19:00:00 12Z15JUL2018 6.38
0000000165 OT 2018-07-15 18:00:00 2018-07-15 19:00:00 13Z15JUL2018 5.66
0000000165 OT 2018-07-15 18:00:00 2018-07-15 19:00:00 14Z15JUL2018 5.41