{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:51:20.739370", "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": "2023-Feb-16_to_2023-Feb-19_113.0_-1.5"}, "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": 2023020002056}, "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": "February 16 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 19 2023"}, "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": 101949.55494630321}, "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": ["Java 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": -1.5}, "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": 113.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "113.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 111.5}, "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": -3.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 0.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[110.75, -0.5], [110.85, -0.25], [110.75, 0.0], [110.97, 0.53], [111.32, 0.68], [111.47, 1.03], [112.0, 1.25], [112.53, 1.03], [112.68, 0.68], [113.03, 0.53], [113.18, 0.18], [113.25, 0.15], [113.5, 0.25], [114.03, 0.03], [114.25, -0.5], [114.15, -0.75], [114.25, -1.0], [114.15, -1.25], [114.18, -1.32], [114.53, -1.47], [114.75, -2.0], [114.65, -2.25], [114.75, -2.5], [114.65, -2.75], [114.75, -3.0], [114.65, -3.25], [114.75, -3.5], [114.53, -4.03], [114.0, -4.25], [113.47, -4.03], [113.32, -3.68], [113.25, -3.65], [113.0, -3.75], [112.75, -3.65], [112.5, -3.75], [112.25, -3.65], [112.0, -3.75], [111.47, -3.53], [111.25, -3.0], [111.46, -2.5], [111.32, -2.18], [110.97, -2.03], [110.75, -1.5], [110.96, -1.0], [110.75, -0.5]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.Asia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-02-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[110.97, -2.03], [110.75, -1.5], [110.97, -0.97], [111.32, -0.82], [111.47, -0.47], [112.0, -0.25], [112.25, -0.35], [112.5, -0.25], [112.75, -0.35], [113.0, -0.25], [113.53, -0.47], [113.75, -1.0], [113.65, -1.25], [113.68, -1.32], [114.03, -1.47], [114.25, -2.0], [114.15, -2.25], [114.25, -2.5], [114.03, -3.03], [113.5, -3.25], [113.25, -3.15], [113.0, -3.25], [112.75, -3.15], [112.5, -3.25], [111.97, -3.03], [111.82, -2.68], [111.47, -2.53], [111.32, -2.18], [110.97, -2.03]]]]}, "2023-02-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[110.75, 0.0], [110.97, 0.53], [111.32, 0.68], [111.47, 1.03], [112.0, 1.25], [112.53, 1.03], [112.68, 0.68], [113.03, 0.53], [113.18, 0.18], [113.25, 0.15], [113.5, 0.25], [114.03, 0.03], [114.25, -0.5], [114.15, -0.75], [114.25, -1.0], [114.15, -1.25], [114.18, -1.32], [114.53, -1.47], [114.75, -2.0], [114.65, -2.25], [114.75, -2.5], [114.65, -2.75], [114.75, -3.0], [114.65, -3.25], [114.75, -3.5], [114.53, -4.03], [114.0, -4.25], [113.47, -4.03], [113.32, -3.68], [113.25, -3.65], [113.0, -3.75], [112.75, -3.65], [112.5, -3.75], [112.25, -3.65], [112.0, -3.75], [111.47, -3.53], [111.25, -3.0], [111.46, -2.5], [111.32, -2.18], [110.97, -2.03], [110.75, -1.5], [110.96, -1.0], [110.75, -0.5], [110.85, -0.25], [110.75, 0.0]]]]}, "2023-02-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[110.75, 0.0], [110.97, 0.53], [111.32, 0.68], [111.47, 1.03], [112.0, 1.25], [112.53, 1.03], [112.68, 0.68], [113.03, 0.53], [113.18, 0.18], [113.25, 0.15], [113.5, 0.25], [114.03, 0.03], [114.25, -0.5], [114.15, -0.75], [114.25, -1.0], [114.15, -1.25], [114.18, -1.32], [114.53, -1.47], [114.75, -2.0], [114.65, -2.25], [114.75, -2.5], [114.65, -2.75], [114.75, -3.0], [114.65, -3.25], [114.75, -3.5], [114.53, -4.03], [114.0, -4.25], [113.47, -4.03], [113.32, -3.68], [113.25, -3.65], [113.0, -3.75], [112.75, -3.65], [112.5, -3.75], [112.25, -3.65], [112.0, -3.75], [111.47, -3.53], [111.25, -3.0], [111.46, -2.5], [111.32, -2.18], [110.97, -2.03], [110.75, -1.5], [110.96, -1.0], [110.75, -0.5], [110.85, -0.25], [110.75, 0.0]]]]}, "2023-02-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[110.75, 0.0], [110.97, 0.53], [111.32, 0.68], [111.47, 1.03], [112.0, 1.25], [112.53, 1.03], [112.68, 0.68], [113.03, 0.53], [113.18, 0.18], [113.25, 0.15], [113.5, 0.25], [114.03, 0.03], [114.25, -0.5], [114.15, -0.75], [114.25, -1.0], [114.15, -1.25], [114.18, -1.32], [114.53, -1.47], [114.75, -2.0], [114.65, -2.25], [114.75, -2.5], [114.65, -2.75], [114.75, -3.0], [114.65, -3.25], [114.75, -3.5], [114.53, -4.03], [114.0, -4.25], [113.47, -4.03], [113.32, -3.68], [113.25, -3.65], [113.0, -3.75], [112.75, -3.65], [112.5, -3.75], [112.25, -3.65], [112.0, -3.75], [111.47, -3.53], [111.25, -3.0], [111.46, -2.5], [111.32, -2.18], [110.97, -2.03], [110.75, -1.5], [110.96, -1.0], [110.75, -0.5], [110.85, -0.25], [110.75, 0.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.422905152114083}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.5221643317534777}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.540284652612627, 27.53419369565188, 27.770617445329606, 27.89619948463161]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.24218904858094, 28.562662706079323, 28.6521931218104, 28.97213465202367]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.1686631258748759, 1.347817196608241, 1.6228824427541102, 1.7457635644526401]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.335183801849837, 2.037624846706592, 2.190049357186922, 2.422905152114083]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4961832060231803, 1.771490858406913, 2.1909636845435916, 2.29618902468827]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7584595949590924, 2.415003822016146, 3.171300369122556, 2.9083181733493584]}}