{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:50:40.561509", "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-Jan-12_to_2023-Jan-18_112.5_3.5"}, "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": 2023010002172}, "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": "January 12 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 18 2023"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 64819.56533075239}, "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": ["Malaysia"]}, "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": 3.5}, "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": 112.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "112.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 109.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 113.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 1.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 4.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[110.0, 1.25], [109.75, 1.35], [109.68, 1.32], [109.53, 0.97], [109.0, 0.75], [108.47, 0.97], [108.25, 1.5], [108.46, 2.0], [108.25, 2.5], [108.47, 3.03], [109.0, 3.25], [109.25, 3.15], [109.5, 3.25], [109.8, 3.13], [109.97, 3.53], [110.5, 3.75], [110.75, 3.65], [110.82, 3.68], [110.97, 4.03], [111.5, 4.25], [111.75, 4.15], [111.82, 4.18], [111.85, 4.25], [111.75, 4.5], [111.97, 5.03], [112.5, 5.25], [113.0, 5.04], [113.5, 5.25], [114.03, 5.03], [114.25, 4.5], [114.15, 4.25], [114.25, 4.0], [114.03, 3.47], [113.5, 3.25], [113.25, 3.35], [113.18, 3.32], [113.03, 2.97], [112.5, 2.75], [112.25, 2.85], [112.18, 2.82], [112.03, 2.47], [111.68, 2.32], [111.65, 2.25], [111.75, 2.0], [111.65, 1.75], [111.75, 1.5], [111.53, 0.97], [111.0, 0.75], [110.47, 0.97], [110.32, 1.32], [110.25, 1.35], [110.0, 1.25]]]]}}, "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": {"2023-01-12T11:30:00.000000000": {"type": "MultiPolygon", 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