{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:02:50.563381", "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": "2024-Dec-31_to_2025-Jan-05_104.0_10.0"}, "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": 2024120002506}, "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 31 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 05 2025"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 57792.48443477029}, "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": ["Cambodia"]}, "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": []}, "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": 10.0}, "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": 104.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "104.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 100.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 104.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 9.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 11.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[99.97, 10.03], [100.32, 10.18], [100.47, 10.53], [100.82, 10.68], [100.97, 11.03], [101.32, 11.18], [101.47, 11.53], [102.0, 11.75], [102.25, 11.65], [102.32, 11.68], [102.47, 12.03], [103.0, 12.25], [103.53, 12.03], [103.68, 11.68], [104.03, 11.53], [104.18, 11.18], [104.53, 11.03], [104.75, 10.5], [104.65, 10.25], [104.75, 10.0], [104.65, 9.75], [104.75, 9.5], [104.53, 8.97], [104.0, 8.75], [103.75, 8.85], [103.5, 8.75], [102.97, 8.97], [102.75, 9.5], [102.53, 8.97], [102.0, 8.75], [101.75, 8.85], [101.5, 8.75], [101.0, 8.96], [100.5, 8.75], [99.97, 8.97], [99.75, 9.5], [99.97, 10.03]], [[102.85, 9.75], [102.82, 9.82], [102.75, 9.85], [102.68, 9.82], [102.65, 9.75], [102.75, 9.5], [102.85, 9.75]]]]}}, "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": {"2024-12-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[101.25, 11.0], [101.47, 11.53], [102.0, 11.75], [102.53, 11.53], [102.68, 11.18], [103.03, 11.03], [103.25, 10.5], [103.07, 10.07], [103.32, 10.18], [103.47, 10.53], [104.0, 10.75], [104.53, 10.53], [104.75, 10.0], [104.65, 9.75], [104.75, 9.5], [104.53, 8.97], [104.0, 8.75], [103.75, 8.85], [103.5, 8.75], [102.97, 8.97], [102.75, 9.5], [102.93, 9.93], [102.5, 9.75], [102.25, 9.85], [102.0, 9.75], [101.47, 9.97], [101.25, 10.5], [101.35, 10.75], [101.25, 11.0]]]]}, "2025-01-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[100.5, 8.75], [99.97, 8.97], [99.75, 9.5], [99.97, 10.03], [100.5, 10.25], [101.03, 10.03], [101.25, 9.5], [101.03, 8.97], [100.5, 8.75]]], [[[101.47, 11.53], [102.0, 11.75], [102.25, 11.65], [102.5, 11.75], [103.03, 11.53], [103.18, 11.18], [103.53, 11.03], [103.68, 10.68], [103.75, 10.65], [104.0, 10.75], [104.53, 10.53], [104.75, 10.0], [104.65, 9.75], [104.75, 9.5], [104.53, 8.97], [104.0, 8.75], [103.75, 8.85], [103.5, 8.75], [102.97, 8.97], [102.75, 9.5], [102.85, 9.75], [102.82, 9.82], [102.75, 9.85], [102.5, 9.75], [102.25, 9.85], [102.0, 9.75], [101.47, 9.97], [101.25, 10.5], [101.35, 10.75], [101.25, 11.0], [101.47, 11.53]]]]}, "2025-01-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[100.47, 10.53], [100.82, 10.68], [100.97, 11.03], [101.32, 11.18], [101.47, 11.53], [102.0, 11.75], [102.25, 11.65], [102.32, 11.68], [102.47, 12.03], [103.0, 12.25], [103.53, 12.03], [103.68, 11.68], [104.03, 11.53], [104.18, 11.18], [104.53, 11.03], [104.75, 10.5], [104.65, 10.25], [104.75, 10.0], [104.65, 9.75], [104.75, 9.5], [104.53, 8.97], [104.0, 8.75], [103.75, 8.85], [103.5, 8.75], [102.97, 8.97], [102.75, 9.5], [102.53, 8.97], [102.0, 8.75], [101.75, 8.85], [101.5, 8.75], [101.0, 8.96], [100.5, 8.75], [99.97, 8.97], [99.75, 9.5], [99.97, 10.03], [100.32, 10.18], [100.47, 10.53]], [[102.85, 9.75], [102.82, 9.82], [102.75, 9.85], [102.68, 9.82], [102.65, 9.75], [102.75, 9.5], [102.85, 9.75]]]]}, "2025-01-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[100.47, 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over entire duration", "value": 1.8601595024923085}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.1360757539204631}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.775215403238917, 27.77831497192392, 27.819467096161418, 27.938092603181587, 27.75100919283358, 27.78974304199221]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.938952382405603, 28.048912302653036, 28.084650929768884, 28.378745015462243, 28.059314982096396, 28.147002156575525]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.0635889285145954, 1.0303001485937613, 1.1365484902360812, 1.2732857975341858, 1.0901204767323696, 1.0484295523354585]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.2521267375549883, 1.3175702099931073, 1.8601595024923085, 1.6891802880273872, 1.307173508894607, 1.405423138397964]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4314742648101053, 1.406350770963497, 1.5661172028260733, 1.7953291888448537, 1.5581120290278572, 1.581691933164241]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6659691387861795, 1.8222872110078847, 2.379479844580994, 2.2291002473647143, 1.8565182291465485, 2.1185205260523094]}}