{
"header": {
"parsing_order": [
{"s": ["core1"]},
{"e": [ "additional blank","additional 1", "additional 6","additional 8"]},
{"s": [ "core2","supplemental"]}],
},
"sections": {
"core1": {
"header": {"sentinal": null,"sentinal_length": null,"length": 81},
"elements": {
"CARD DECK": {
"description": "Card deck number",
"field_length": 3,
"column_type": "str"
},
"MAR SQ": {
"description": "Marsden 10 degree square",
"field_length": 3,
"column_type": "int16",
"valid_max": 936,
"valid_min": 1
},
"SUB SQ": {
"description": "Marsden 1 degree sub-square",
"field_length": 2,
"column_type": "int8",
"valid_max": 99,
"valid_min": 0
},
"Q": {
"description": "Quadrant",
"field_length": 1,
"column_type": "key",
"codetable": "coordinates_quadrants"
},
"LAT": {
"description": "Latitude",
"field_length": 3,
"column_type": "float16",
"valid_max": 90.0,
"valid_min": 0.0,
"scale": 0.1,
"decimal_places": 1,
"units": "deg"
},
"LONG": {
"description": "Longitude",
"field_length": 4,
"column_type": "float16",
"valid_max": 180.0,
"valid_min": 0.0,
"scale": 0.1,
"decimal_places": 1,
"units": "deg"
},
"YEAR": {
"description": "Year",
"field_length": 4,
"column_type": "int16",
"valid_max": 1999,
"valid_min": 1800,
"units": "a"
},
"MO": {
"description": "Month",
"field_length": 2,
"column_type": "int8",
"valid_max": 12,
"valid_min": 1,
"units": "mon"
},
"DA": {
"description": "Day",
"field_length": 2,
"column_type": "int8",
"valid_max": 31,
"valid_min": 1,
"units": "d"
},
"HR": {
"description": "Hour GMT",
"field_length": 2,
"column_type": "int8",
"valid_max": 23,
"valid_min": 0,
"units": "h"
},
"WIND DIR I": {
"description": "Wind direction indicator",
"field_length": 1,
"column_type": "key",
"disable_white_strip": true,
"codetable": "wind_direction_ind"
},
"WIND DIR": {
"description": "Wind direction",
"field_length": 2,
"column_type": "key",
"codetable": "wind_direction"
},
"WIND SPD I": {
"description": "Wind speed indicator",
"field_length": 1,
"column_type": "key",
"disable_white_strip": true,
"codetable": "wind_speed_ind"
},
"WIND SPD": {
"description": "Wind speed",
"field_length": 3,
"column_type": "int16",
"valid_min": 0,
"valid_max": 199,
"units": "knots"
},
"VIS I": {
"description": "Visibility indicator",
"field_length": 1,
"column_type": "key",
"disable_white_strip": true,
"codetable": "visibility_ind"
},
"VIS": {
"description": "Visibility",
"field_length": 2,
"column_type": "key",
"codetable": "visibility"
},
"WX": {
"description": "Present weather",
"field_length": 2,
"column_type": "key",
"codetable": "weather_present"
},
"W": {
"description": "Past weather",
"field_length": 1,
"column_type": "key",
"codetable": "weather_past"
},
"PRESS": {
"description": "Sea level pressure",
"field_length": 5,
"column_type": "float16",
"valid_max": 1070.0,
"valid_min": 890.0,
"scale": 0.1,
"decimal_places": 1,
"units": "hPa"
},
"T I": {
"description": "Temperatures indicator",
"field_length": 1,
"column_type": "key",
"codetable": "temperatures_ind"
},
"AIR TMP": {
"description": "Air temperature",
"field_length": 3,
"column_type": "float16",
"encoding": "signed_overpunch",
"valid_max": 99.9,
"valid_min": -99.9,
"scale": 0.1,
"precision": "0.1"
},
"WET BLB": {
"description": "Wet bulb temperature",
"field_length": 3,
"column_type": "float16",
"encoding": "signed_overpunch",
"valid_max": 99.9,
"valid_min": -99.9,
"scale": 0.1,
"decimal_places": 1,
"units": "C"
},
"DEW PT": {
"description": "Dew point temperature",
"field_length": 3,
"column_type": "float16",
"encoding": "signed_overpunch",
"valid_max": 99.9,
"valid_min": -99.9,
"scale": 0.1,
"decimal_places": 1,
"units": "C"
},
"SEA TMP": {
"description": "Sea surface temperature",
"field_length": 3,
"column_type": "float16",
"encoding": "signed_overpunch",
"valid_max": 99.9,
"valid_min": -99.9,
"scale": 0.1,
"decimal_places": 1,
"units": "C"
},
"A-S DIFF": {
"description": "Air-sea temperature difference",
"field_length": 3,
"column_type": "float16",
"encoding": "signed_overpunch",
"valid_max": 99.9,
"valid_min": -99.9,
"scale": 0.1,
"decimal_places": 1,
"units": "C"
},
"CLOUDS N": {
"description": "Total cloud amount",
"field_length": 1,
"column_type": "key",
"codetable": "cloud_amount_oktas"
},
"CLOUDS Nh": {
"description": "Lower cloud amount",
"field_length": 1,
"column_type": "key",
"codetable": "cloud_amount_oktas"
},
"CLOUDS CL": {
"description": "Type of low cloud",
"field_length": 1,
"column_type": "key",
"codetable": "cloud_type_low"
},
"CLOUDS I": {
"description": "Cloud height indicator",
"field_length": 1,
"column_type": "key",
"disable_white_strip": true,
"codetable": "cloud_height_ind"
},
"CLOUDS h": {
"description": "Cloud height",
"field_length": 1,
"column_type": "key",
"codetable": "cloud_height_metres"
},
"CLOUDS CM": {
"description": "Type of middle cloud",
"field_length": 1,
"column_type": "key",
"codetable": "cloud_type_middle"
},
"CLOUDS CH": {
"description": "Type of high cloud",
"field_length": 1,
"column_type": "key",
"codetable": "cloud_type_high"
},
"WAVE DIR": {
"description": "Direction of waves",
"field_length": 2,
"column_type": "key",
"codetable": "wave_direction_from"
},
"P E R WAVES": {
"description": "Period of waves",
"field_length": 1,
"column_type": "key",
"codetable": "wave_period"
},
"WAVE HGT": {
"description": "Height of waves",
"field_length": 2,
"column_type": "key",
"codetable": "wave_height"
},
"SWL DIR": {
"description": "Direction of swell",
"field_length": 2,
"column_type": "key",
"codetable": "wave_direction_from"
},
"P E R SWELL": {
"description": "Period of swell",
"field_length": 1,
"column_type": "key",
"codetable": "swell_period"
},
"SWL HGT": {
"description": "Height of swell",
"field_length": 2,
"column_type": "key",
"codetable": "wave_height"
},
"OSV NO.": {
"description": "Ocean weather station number",
"field_length": 2,
"column_type": "key",
"codetable": "ocean_weather_station"
},
"C D": {
"description": "Card indicator",
"field_length": 1,
"column_type": "key",
"disable_white_strip": true,
"codetable": "card_indicator"
},
"SHP": {
"description": "Osv or ship indicator",
"field_length": 1,
"column_type": "key",
"disable_white_strip": true,
"codetable": "osv_ship_indicator"
}
}
},
"additional blank": {
"header": {"sentinal": " ", "sentinal_length": 1, "length": 7},
"elements": {
"ADD 0": {
"description": "No data",
"field_length": 1,
"column_type": "object",
"ignore": true
},
"Blank": {
"description": "No data",
"field_length": 6,
"column_type": "object",
"ignore": true
}
}
},
"additional 1": {
"header": {"sentinal": "1", "sentinal_length": 1,"length": 7},
"elements": {
"A D D": {
"description": "Additional data indicator",
"field_length": 1,
"column_type": "int8",
"ignore": true
},
"I C E": {
"description": "Type of ice",
"field_length": 1,
"column_type": "key",
"codetable": "ice_type"
},
"ICE THK": {
"description": "Thickness of ice in centimetres",
"field_length": 2,
"column_type": "int8",
"valid_max": 99,
"valid_min": 0,
"units": "cm"
},
"ACC": {
"description": "Rate of ice accretion",
"field_length": 1,
"column_type": "key",
"codetable": "ice_accretion_rate"
},
"Blank": {
"description": "Blank",
"field_length": 2,
"column_type": "object",
"ignore": true
}
}
},
"additional 6": {
"header": {"sentinal": "6","sentinal_length": 1,"length": 7},
"elements": {
"A D D": {
"description": "Additional data indicator",
"field_length": 1,
"column_type": "int8",
"ignore": true
},
"D I R": {
"description": "Ship direction",
"field_length": 1,
"column_type": "key",
"codetable": "ship_direction"
},
"S P D": {
"description": "Ship speed",
"field_length": 1,
"column_type": "key",
"codetable": "ship_speed_knots"
},
"a": {
"description": "Barometric tendency",
"field_length": 1,
"column_type": "key",
"codetable": "barometric_tendency"
},
"ppp": {
"description": "Amount of pressure change (3h, tenths of millibars)",
"field_length": 3,
"column_type": "float16",
"valid_max": 29.9,
"valid_min": 0.0,
"scale": 0.1,
"decimal_places": 1,
"units": "hPa"
}
}
},
"additional 8": {
"header": {"sentinal": "8","sentinal_length": 1,"length": 7},
"elements": {
"A D D": {
"description": "Additional data indicator",
"field_length": 1,
"column_type": "int8",
"ignore": true
},
"SIG N": {
"description": "Significant cloud amount",
"field_length": 1,
"column_type": "key",
"codetable": "cloud_amount_oktas_significant"
},
"SIG T": {
"description": "Significant cloud type",
"field_length": 1,
"column_type": "key",
"codetable": "cloud_type_significant"
},
"SIG HGT": {
"description": "Significant cloud height",
"field_length": 2,
"column_type": "key",
"codetable": "cloud_height_significant"
},
"Blank": {
"description": "Blank",
"field_length": 2,
"column_type": "object",
"ignore": true
}
}
},
"core2": {
"header": {"sentinal": null,"sentinal_length": null,"length": 5},
"elements": {
"I C E": {
"description": "Ice indicator",
"field_length": 1,
"column_type": "str"
},
"SHIP NO.": {
"description": "Ship number",
"field_length": 4,
"column_type": "str"
}
}
},
"supplemental": {
"header": {"sentinal": null,"sentinal_length": null,"length": null},
"elements": {
"supp": {
"description": "Supplemental data fields",
"column_type": "object"
}
}
}
}
}