TDS: TAF Field Descriptions

Field # Field Name Description Field Type Units
1 raw_text The raw TAF in text string
2 station_id Station identifier; Always a four character alphanumeric ( A-Z, 0-9 ) string
3 issue_time Issue time (date and time the forecast was prepared) in ISO8601 date/time string ISO8601 date/time
4 bulletin_time Bulletin time (obtained from the WMO Header of the data) in ISO8601 date/time string ISO8601 date/time
5 valid_time_from The start time of when the report is valid (in ISO8601 date/time). string ISO8601 date/time
6 valid_time_to The end time for when the report is valid (in ISO8601 date/time). string ISO8601 date/time
7 remarks Any remarks. string
8
 latitude
 Latitude
 float
 (decimal) degrees
9
 longitude
Longitude
 float
 (decimal) degrees
10 elevation_m Elevation float m
11 forecast An array of data for a specific forecast period. The following elements are within a forecast group
11.1 fcst_time_from The start of the forecast time (ISO8601 date/time) string ISO8601 date/time
11.2 fcst_time_to The end time of the forecast (ISO8601 date/time) string ISO8601 date/time
11.3 change_indicator Forecast change indicator: TEMPO|BECMG|FM|PROB string
11.4 time_becoming Time becoming (ISO8601 date/time) string ISO8601 date/time
11.5 probability Percent probability integer
11.6 wind_dir_degrees Wind direction-the direction from where the wind is blowing integer degree
11.7 wind_speed_kt Wind speed integer kt
11.8 wind_gust_kt Wind gust integer kt
11.9 wind_shear_hgt_ft_agl Wind shear height above ground level integer ft AGL
11.10 wind_shear_dir_degrees Wind shear direction integer degree
11.11 wind_shear_speed_kt Wind shear speed integer kt
11.12 visibility_statute_mi Visibility (horizontal) float statute mi
11.13 altim_in_hg Altimeter float inches of mercury
11.14 vert_vis_ft Vertical visibility integer ft
11.15 wx_string Weather string
11.16 not_decoded Indicates what isn't decoded string
11.17 sky_condition sky_cover - Sky coverage. Values are: NSC|SKC|CLR|SKT|BKN|FEW|OVC|OVCX string
cloud_base_ft_agl - Cloud base integer ft AGL
cloud_type - Cloud type: CB|TCU|CU string
11.18 turbulence_condition turbulence_intensity - Turbulence intensity values: [0-9]
Please refer to WMO No. 306 Manual on Codes for more details.		 string
turbulence_min_alt_ft_agl - Minimum altitude for turbulence integer ft AGL
turbulence_max_alt_ft_agl - Maximum altitude for turbulence integer ft AGL
11.19 icing_condition icing_intensity - Icing intensity values: [0-9]
Please refer to WMO No. 306 Manual on Codes for more details.		 string
icing_min_alt_ft_agl - Minimum altitude for icing integer ft AGL
icing_max_alt_ft_agl - Maximum altitude for icing integer ft AGL
11.19 temperature An array of temperature data
11.19.1 valid_time Temperature valid time (ISO8601 date/time) string ISO8601 date/time
11.19.2 sfc_temp_c Surface temperature float C
11.19.3 max_temp_c Max temp float C
11.19.4 min_temp_c Min temp float C

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