{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:22:46.940424", "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": "2020-Dec-22_to_2020-Dec-29_110.0_2.0"}, "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": 2020120002509}, "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": "December 22 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 29 2020"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 8}, "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": 77234.69961889317}, "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": ["Indonesia", "Malaysia"]}, "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": 2.0}, "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": 110.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "110.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 107.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 111.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 0.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 3.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-12-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[110.0, 3.25], [110.53, 3.03], [110.75, 2.5], [110.53, 1.97], [110.0, 1.75], [109.47, 1.97], [109.25, 2.5], [109.47, 3.03], [110.0, 3.25]]]]}, "2020-12-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[109.47, 3.03], [110.0, 3.25], [110.25, 3.15], [110.5, 3.25], [111.03, 3.03], [111.25, 2.5], [111.03, 1.97], [110.68, 1.82], [110.53, 1.47], [110.0, 1.25], [109.47, 1.47], [109.25, 2.0], [109.35, 2.25], [109.25, 2.5], [109.47, 3.03]]]]}, "2020-12-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[109.47, 3.03], [110.0, 3.25], [110.25, 3.15], [110.32, 3.18], [110.47, 3.53], [110.82, 3.68], [110.97, 4.03], [111.5, 4.25], [112.03, 4.03], [112.25, 3.5], [112.03, 2.97], [111.68, 2.82], [111.53, 2.47], [111.18, 2.32], [111.15, 2.25], [111.25, 2.0], [111.03, 1.47], [110.5, 1.25], [110.25, 1.35], [110.0, 1.25], [109.47, 1.47], [109.25, 2.0], [109.35, 2.25], [109.25, 2.5], [109.47, 3.03]]]]}, "2020-12-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[109.5, 3.25], [109.75, 3.15], [110.0, 3.25], [110.25, 3.15], [110.32, 3.18], [110.47, 3.53], [110.82, 3.68], [110.97, 4.03], [111.5, 4.25], [112.03, 4.03], [112.25, 3.5], [112.03, 2.97], [111.68, 2.82], [111.53, 2.47], [111.18, 2.32], [111.15, 2.25], [111.25, 2.0], [111.03, 1.47], [110.5, 1.25], [110.25, 1.35], [110.0, 1.25], [109.75, 1.35], [109.5, 1.25], [109.25, 1.35], [109.0, 1.25], [108.47, 1.47], [108.25, 2.0], [108.47, 2.53], [108.82, 2.68], [108.97, 3.03], [109.5, 3.25]]]]}, "2020-12-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[107.35, 1.25], [107.25, 1.5], [107.47, 2.03], [107.82, 2.18], [107.97, 2.53], [108.5, 2.75], [108.75, 2.65], [108.82, 2.68], [108.97, 3.03], [109.5, 3.25], [109.75, 3.15], [110.0, 3.25], [110.25, 3.15], [110.32, 3.18], [110.47, 3.53], [110.82, 3.68], [110.97, 4.03], [111.5, 4.25], [112.03, 4.03], [112.25, 3.5], [112.04, 3.0], [112.25, 2.5], [112.03, 1.97], [111.68, 1.82], [111.65, 1.75], [111.75, 1.5], [111.53, 0.97], [111.0, 0.75], [110.75, 0.85], [110.5, 0.75], [110.25, 0.85], [110.13, 0.8], [110.25, 0.5], [110.03, -0.03], [109.5, -0.25], [108.97, -0.03], [108.82, 0.32], [108.75, 0.35], [108.68, 0.32], [108.53, -0.03], [108.0, -0.25], [107.47, -0.03], [107.25, 0.5], [107.35, 0.75], [107.25, 1.0], [107.35, 1.25]]]]}, "2020-12-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[107.35, 1.25], [107.25, 1.5], [107.47, 2.03], [107.82, 2.18], [107.97, 2.53], [108.5, 2.75], [108.75, 2.65], [108.82, 2.68], [108.97, 3.03], [109.5, 3.25], [110.03, 3.03], [110.18, 2.68], [110.25, 2.65], [110.5, 2.75], [110.75, 2.65], [110.82, 2.68], [110.97, 3.03], [111.5, 3.25], [112.03, 3.03], [112.25, 2.5], [112.03, 1.97], [111.68, 1.82], [111.65, 1.75], [111.75, 1.5], [111.53, 0.97], [111.0, 0.75], [110.75, 0.85], [110.63, 0.8], [110.75, 0.5], [110.53, -0.03], [110.0, -0.25], [109.75, -0.15], [109.5, -0.25], [108.97, -0.03], [108.82, 0.32], [108.75, 0.35], [108.68, 0.32], [108.53, -0.03], [108.0, -0.25], [107.47, -0.03], [107.25, 0.5], [107.35, 0.75], [107.25, 1.0], [107.35, 1.25]]]]}, "2020-12-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[107.35, 1.25], [107.25, 1.5], [107.47, 2.03], [107.82, 2.18], [107.97, 2.53], [108.5, 2.75], [108.75, 2.65], [108.82, 2.68], [108.97, 3.03], [109.5, 3.25], [110.03, 3.03], [110.18, 2.68], [110.25, 2.65], [110.5, 2.75], [110.75, 2.65], [110.82, 2.68], [110.97, 3.03], [111.5, 3.25], [112.03, 3.03], [112.25, 2.5], [112.03, 1.97], [111.68, 1.82], [111.65, 1.75], [111.75, 1.5], [111.53, 0.97], [111.0, 0.75], [110.75, 0.85], [110.63, 0.8], [110.75, 0.5], [110.53, -0.03], [110.0, -0.25], [109.75, -0.15], [109.5, -0.25], [108.97, -0.03], [108.82, 0.32], [108.75, 0.35], [108.68, 0.32], [108.53, -0.03], [108.0, -0.25], [107.47, -0.03], [107.25, 0.5], [107.35, 0.75], [107.25, 1.0], [107.35, 1.25]]]]}, "2020-12-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[110.0, 1.25], [110.53, 1.03], [110.75, 0.5], [110.53, -0.03], [110.0, -0.25], [109.47, -0.03], [109.25, 0.5], [109.47, 1.03], [110.0, 1.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.1423564000136253}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.0255398280399497}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.263707222213156, 27.327157121030552, 27.329351162240016, 27.24252031922009, 27.348249835385843, 27.193684697781066, 27.277406524253138, 26.49492847960954]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.263707222213156, 27.345485121841477, 27.658302209444287, 27.420348467354927, 27.728046125468722, 27.673062123035663, 28.310331365261447, 26.49492847960954]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.7571114311647875, 0.8455297833140776, 0.8602246409874397, 0.8210833860055876, 1.0941309781698745, 1.0256503628909746, 1.119050393653102, 1.0537667468511245]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.7571114311647875, 0.9012988399864525, 1.1656116036035087, 1.0365793534181194, 1.4765526722482036, 1.367777903130559, 2.1423564000136253, 1.0537667468511245]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4255218617770495, 1.628572377735819, 1.7110174591236753, 1.6208600534277882, 1.9675380557489455, 1.7737359255430316, 1.9019842228582662, 1.4514577231232892]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4255218617770495, 1.7587313268854279, 2.329742114467642, 1.9054700033227558, 2.661261502356635, 2.2215869034562923, 2.9731526122633283, 1.4514577231232892]}}