{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:03:11.886523", "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": "2025-Jan-07_to_2025-Jan-13_106.5_-4.5"}, "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": 2025010001369}, "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 07 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 13 2025"}, "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": 67761.6458524312}, "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": -4.5}, "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": 106.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "106.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 105.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 108.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -6.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -3.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[107.5, -3.75], [108.03, -3.97], [108.25, -4.5], [108.15, -4.75], [108.18, -4.82], [108.25, -4.85], [108.5, -4.75], [109.03, -4.97], [109.25, -5.5], [109.15, -5.75], [109.25, -6.0], [109.03, -6.53], [108.5, -6.75], [108.25, -6.65], [108.0, -6.75], [107.47, -6.53], [107.32, -6.18], [107.25, -6.15], [107.0, -6.25], [106.75, -6.15], [106.5, -6.25], [106.25, -6.15], [106.0, -6.25], [105.47, -6.03], [105.25, -5.5], [105.38, -5.2], [104.97, -5.03], [104.75, -4.5], [104.85, -4.25], [104.82, -4.18], [104.47, -4.03], [104.25, -3.5], [104.47, -2.97], [105.0, -2.75], [105.25, -2.85], [105.5, -2.75], [105.75, -2.85], [106.0, -2.75], [106.53, -2.97], [106.68, -3.32], [107.03, -3.47], [107.18, -3.82], [107.25, -3.85], [107.5, -3.75]]]]}}, "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": {"2025-01-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[106.5, -5.25], [105.97, -5.03], [105.75, -4.5], [105.97, -3.97], [106.5, -3.75], [106.75, -3.85], [107.0, -3.75], [107.53, -3.97], [107.75, -4.5], [107.53, -5.03], [107.0, -5.25], [106.75, -5.15], [106.5, -5.25]]]]}, "2025-01-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[105.75, -5.0], [105.85, -4.75], [105.75, -4.5], [105.97, -3.97], [106.5, -3.75], [106.75, -3.85], [107.0, -3.75], [107.53, -3.97], [107.75, -4.5], [107.65, -4.75], [107.75, -5.0], [107.53, -5.53], [107.18, -5.68], [107.03, -6.03], [106.5, -6.25], [105.97, -6.03], [105.75, -5.5], [105.85, -5.25], [105.75, -5.0]]]]}, "2025-01-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[105.75, -5.0], [105.85, -4.75], [105.75, -4.5], [105.97, -3.97], [106.5, -3.75], [106.75, -3.85], [107.0, -3.75], [107.53, -3.97], [107.75, -4.5], [107.65, -4.75], [107.75, -5.0], [107.53, -5.53], [107.18, -5.68], [107.03, -6.03], [106.5, -6.25], [105.97, -6.03], [105.75, -5.5], [105.85, -5.25], [105.75, -5.0]]]]}, "2025-01-10T11:30:00.000000000": {"type": 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"Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.9511537101909971}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.462232208251976, 27.41300735473635, 27.460170237223338, 27.737573496500715, 27.584822013161443, 27.53634229717835, 27.326057688395224]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.47863032023116, 27.45255813598635, 27.52555109659835, 27.93119328816732, 27.77714564005538, 27.941882069905603, 27.47860488891604]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.7837218238173875, 0.702315314700536, 0.7587326309222476, 1.0715132992748182, 0.9703402605790333, 0.9371528656946488, 0.9544676827326176]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of 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