{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:23:09.242127", "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": "2022-Sep-11_to_2022-Sep-14_110.0_-8.0"}, "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": 2022090001840}, "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": "September 11 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 14 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 136851.25450634645}, "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"]}, "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": ["Indian Ocean"]}, "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": -8.0}, "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": 110.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 114.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -12.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -8.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[110.25, -7.35], [110.5, -7.25], [111.03, -7.47], [111.18, -7.82], [111.53, -7.97], [111.68, -8.32], [111.75, -8.35], [112.0, -8.25], [112.53, -8.47], [112.68, -8.82], [112.75, -8.85], [113.0, -8.75], [113.53, -8.97], [113.68, -9.32], [114.03, -9.47], [114.18, -9.82], [114.53, -9.97], [114.75, -10.5], [114.65, -10.75], [114.75, -11.0], [114.65, -11.25], [114.75, -11.5], [114.53, -12.03], [114.0, -12.25], [113.75, -12.15], [113.5, -12.25], [113.25, -12.15], [113.0, -12.25], [112.75, -12.15], [112.5, -12.25], [112.25, -12.15], [112.18, -12.18], [112.15, -12.25], [112.25, -12.5], [112.03, -13.03], [111.5, -13.25], [110.97, -13.03], [110.82, -12.68], [110.47, -12.53], [110.25, -12.0], [110.46, -11.5], [110.32, -11.18], [109.97, -11.03], [109.75, -10.5], [109.85, -10.25], [109.75, -10.0], [109.96, -9.5], [109.82, -9.18], [109.47, -9.03], [109.25, -8.5], [109.35, -8.25], [109.25, -8.0], [109.47, -7.47], [110.0, -7.25], [110.25, -7.35]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.Asia", "N.Australia", "S.Indian-Ocean"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-09-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[109.25, -8.0], [109.47, -7.47], [110.0, -7.25], [110.25, -7.35], [110.5, -7.25], [111.03, -7.47], [111.18, -7.82], [111.53, -7.97], [111.68, -8.32], [111.75, -8.35], [112.0, -8.25], [112.53, -8.47], [112.68, -8.82], [112.75, -8.85], [113.0, -8.75], [113.53, -8.97], [113.68, -9.32], [114.03, -9.47], [114.18, -9.82], [114.53, -9.97], [114.75, -10.5], [114.65, -10.75], [114.75, -11.0], [114.65, -11.25], [114.75, -11.5], [114.53, -12.03], [114.0, -12.25], [113.75, -12.15], [113.5, -12.25], [113.25, -12.15], [113.0, -12.25], [112.75, -12.15], [112.5, -12.25], [112.25, -12.15], [112.18, -12.18], [112.15, -12.25], [112.25, -12.5], [112.03, -13.03], [111.5, -13.25], [110.97, -13.03], [110.82, -12.68], [110.47, -12.53], [110.25, -12.0], [110.46, -11.5], [110.25, -11.0], [110.38, -10.7], [109.97, -10.53], [109.75, -10.0], [109.96, -9.5], [109.82, -9.18], [109.47, -9.03], [109.25, -8.5], [109.35, -8.25], [109.25, -8.0]]]]}, "2022-09-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[109.25, -8.0], [109.47, -7.47], [110.0, -7.25], [110.25, -7.35], [110.5, -7.25], [111.03, -7.47], [111.18, -7.82], [111.53, -7.97], [111.68, -8.32], [111.75, -8.35], [112.0, -8.25], [112.53, -8.47], [112.68, -8.82], [112.75, -8.85], [113.0, -8.75], [113.53, -8.97], [113.68, -9.32], [114.03, -9.47], [114.18, -9.82], [114.53, -9.97], [114.75, -10.5], [114.65, -10.75], [114.75, -11.0], [114.65, -11.25], [114.75, -11.5], [114.53, -12.03], [114.0, -12.25], [113.75, -12.15], [113.5, -12.25], [113.25, -12.15], [113.0, -12.25], [112.75, -12.15], [112.5, -12.25], [112.25, -12.15], [112.18, -12.18], [112.15, -12.25], [112.25, -12.5], [112.03, -13.03], [111.5, -13.25], [110.97, -13.03], [110.82, -12.68], [110.47, -12.53], [110.25, -12.0], [110.46, -11.5], [110.32, -11.18], [109.97, -11.03], 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recorded over entire duration", "value": 1.8812138074923155}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.9896754150999192}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.38857094106288, 26.556030645212672, 26.496422578849433, 26.35527838010472]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.512063549658535, 27.24587366680231, 26.85263570928987, 26.721665259985514]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.9108453307899981, 1.0731527777895937, 0.998348711191338, 0.9314380289597204]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.510049256867262, 1.8812138074923155, 1.8167787873653651, 1.7168986646290705]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.471069927343684, 1.7385797672834862, 1.6147148591528735, 1.4002731354474383]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7100913196724452, 2.1641382628931995, 2.1409344047641756, 1.8864245274732296]}}