{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:13:08.284187", "data_source": "ERA5", "website": "http://wexa.jamstec.go.jp", "Author": "Patrick Martineau"}, "event_id": {"name": "Event ID", "description": "A unique identifier based on: beginning_date, end_date, longitude, and latitude", "value": "2018-Jun-29_to_2018-Jul-08_109.0_12.0"}, "event_label": {"name": "Event label", "description": "Integer-valued grid identifier that uniquely labels each detected extreme event in space and time, consistent with the corresponding labels stored in the NetCDF dataset.", "value": 2018060003156}, "status": {"name": "Status", "description": "An ongoing event denotes an event that lasts up to the latest data available. These events are subject to change as newer data is added.", "value": false}, "start_date": {"name": "Start date", "description": "First date on which grid points are under the influence of an event", "value": "June 29 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 08 2018"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 10}, "figures_available": {"name": "Figures available", "description": "True if figures were pre-generated for this event", "value": true}, "detection_var": {"name": "Detection variable", "description": "Variable used for the detection scheme", "value": "t2m"}, "event_type": {"name": "Event type", "description": "Type of the event detected", "value": "Heat wave"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 54555.79944454755}, "countries_affected": {"name": "Countries affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the countries affected by an event during its lifetime.", "value": ["Cambodia", "Vietnam"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.Asia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia"]}, "oceans_affected": {"name": "Ocean basins affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the ocean basins affected by an event during its lifetime.", "value": ["South China Sea"]}, "center_lat": {"name": "Center latitude", "description": "Latitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": 12.0}, "center_lon": {"name": "Center longitude", "description": "Longitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": 109.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "109.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 105.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 109.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 9.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 12.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-06-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[105.35, 11.25], [105.25, 11.5], [105.47, 12.03], [105.82, 12.18], [105.97, 12.53], [106.5, 12.75], [107.03, 12.53], [107.2, 12.13], [107.5, 12.25], [108.03, 12.03], [108.18, 11.68], [108.53, 11.53], [108.75, 11.0], [108.53, 10.47], [108.0, 10.25], [107.75, 10.35], [107.68, 10.32], [107.53, 9.97], [107.18, 9.82], [107.03, 9.47], [106.5, 9.25], [105.97, 9.47], [105.82, 9.82], [105.47, 9.97], [105.25, 10.5], [105.35, 10.75], [105.25, 11.0], [105.35, 11.25]]]]}, "2018-06-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[105.35, 11.25], [105.25, 11.5], [105.47, 12.03], [105.82, 12.18], [105.97, 12.53], [106.5, 12.75], [107.03, 12.53], [107.2, 12.13], [107.5, 12.25], [108.03, 12.03], [108.18, 11.68], [108.53, 11.53], [108.75, 11.0], [108.53, 10.47], [108.0, 10.25], [107.75, 10.35], [107.68, 10.32], [107.53, 9.97], [107.18, 9.82], [107.03, 9.47], [106.5, 9.25], [105.97, 9.47], [105.82, 9.82], [105.47, 9.97], [105.25, 10.5], [105.35, 10.75], [105.25, 11.0], [105.35, 11.25]]]]}, "2018-07-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[105.35, 11.25], [105.25, 11.5], [105.47, 12.03], [105.82, 12.18], [105.97, 12.53], [106.5, 12.75], [107.03, 12.53], [107.2, 12.13], [107.32, 12.18], [107.47, 12.53], [108.0, 12.75], [108.53, 12.53], [108.75, 12.0], [108.54, 11.5], [108.75, 11.0], [108.53, 10.47], [108.0, 10.25], [107.75, 10.35], [107.68, 10.32], [107.53, 9.97], [107.18, 9.82], [107.03, 9.47], [106.5, 9.25], [105.97, 9.47], [105.82, 9.82], [105.47, 9.97], [105.25, 10.5], [105.35, 10.75], [105.25, 11.0], [105.35, 11.25]]]]}, "2018-07-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[107.47, 13.03], [108.0, 13.25], [108.53, 13.03], [108.7, 12.63], [109.0, 12.75], [109.53, 12.53], [109.75, 12.0], [109.53, 11.47], [109.0, 11.25], [108.5, 11.46], [108.0, 11.25], [107.47, 11.47], [107.25, 12.0], [107.35, 12.25], [107.25, 12.5], [107.47, 13.03]]]]}, "2018-07-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[107.47, 13.03], [108.0, 13.25], [108.53, 13.03], [108.7, 12.63], [109.0, 12.75], [109.53, 12.53], [109.75, 12.0], [109.53, 11.47], [109.18, 11.32], [109.03, 10.97], [108.5, 10.75], [107.97, 10.97], [107.82, 11.32], [107.47, 11.47], [107.25, 12.0], [107.35, 12.25], [107.25, 12.5], [107.47, 13.03]]]]}, "2018-07-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[107.25, 12.5], [107.47, 13.03], [108.0, 13.25], [108.5, 13.04], [109.0, 13.25], [109.53, 13.03], [109.75, 12.5], [109.65, 12.25], [109.75, 12.0], [109.53, 11.47], [109.18, 11.32], [109.03, 10.97], [108.5, 10.75], [107.97, 10.97], [107.75, 11.5], [107.88, 11.8], [107.47, 11.97], [107.25, 12.5]]]]}, "2018-07-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[108.25, 12.5], [108.47, 13.03], [109.0, 13.25], [109.53, 13.03], [109.75, 12.5], [109.65, 12.25], [109.75, 12.0], [109.53, 11.47], [109.18, 11.32], [109.03, 10.97], [108.5, 10.75], [107.97, 10.97], [107.75, 11.5], [107.97, 12.03], [108.32, 12.18], [108.35, 12.25], [108.25, 12.5]]]]}, 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duration", "value": 1.5012117917650878}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.43166603330235, 28.83145775419962, 28.185879764299273, 26.610079911162927, 26.627714695144448, 28.186729418648838, 28.300468229800515, 29.238577736795776, 28.69938589826444, 28.56130221237089]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.305901094976832, 29.712053488902143, 29.37283500729717, 28.5904994254725, 28.688156200917717, 29.94663095024532, 29.780098697739845, 29.716297380221533, 28.69938589826444, 28.56130221237089]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.288442621848818, 1.7150509064322557, 1.3758357948072444, 1.3012777072251158, 1.436966456819519, 1.8112678821138957, 1.7556140918634735, 1.7939120776989057, 1.5718172126030368, 1.4399128064194429]}, 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1.9008390795657186, 1.755621038550948, 1.6968443940072804, 1.5225903477602438]}}