{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:15:48.640241", "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": "2021-Nov-18_to_2021-Nov-21_125.5_11.0"}, "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": 2021110002124}, "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": "November 18 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 21 2021"}, "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": 76217.2159967689}, "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": ["Philippines"]}, "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": ["Bohol Sea", "Philippine 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": 11.0}, "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": 125.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "125.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 125.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 127.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 7.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 11.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[125.0, 8.75], [125.25, 8.65], [125.32, 8.68], [125.46, 9.0], [125.32, 9.32], [125.25, 9.35], [125.0, 9.25], [124.47, 9.47], [124.25, 10.0], [124.46, 10.5], [124.25, 11.0], [124.47, 11.53], [125.0, 11.75], [125.25, 11.65], [125.5, 11.75], [125.75, 11.65], [126.0, 11.75], [126.25, 11.65], [126.5, 11.75], [126.75, 11.65], [127.0, 11.75], [127.25, 11.65], [127.5, 11.75], [128.03, 11.53], [128.25, 11.0], [128.03, 10.47], [127.68, 10.32], [127.53, 9.97], [127.0, 9.75], [126.75, 9.85], [126.68, 9.82], [126.65, 9.75], [126.68, 9.68], [127.03, 9.53], [127.25, 9.0], [127.15, 8.75], [127.25, 8.5], [127.15, 8.25], [127.25, 8.0], [127.15, 7.75], [127.25, 7.5], [127.03, 6.97], [126.5, 6.75], [126.25, 6.85], [126.0, 6.75], [125.75, 6.85], [125.68, 6.82], [125.53, 6.47], [125.0, 6.25], [124.47, 6.47], [124.25, 7.0], [124.46, 7.5], [124.25, 8.0], [124.47, 8.53], [125.0, 8.75]]]]}}, "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": {"2021-11-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[124.25, 11.0], [124.47, 11.53], [125.0, 11.75], [125.25, 11.65], [125.5, 11.75], [125.75, 11.65], [126.0, 11.75], [126.25, 11.65], [126.5, 11.75], [126.75, 11.65], [127.0, 11.75], [127.25, 11.65], [127.5, 11.75], [128.03, 11.53], [128.25, 11.0], [128.03, 10.47], [127.68, 10.32], [127.53, 9.97], [127.0, 9.75], [126.75, 9.85], [126.68, 9.82], [126.65, 9.75], [126.68, 9.68], [127.03, 9.53], [127.25, 9.0], [127.15, 8.75], [127.25, 8.5], [127.15, 8.25], [127.25, 8.0], [127.15, 7.75], [127.25, 7.5], [127.03, 6.97], [126.5, 6.75], [126.25, 6.85], [126.0, 6.75], [125.75, 6.85], [125.68, 6.82], [125.53, 6.47], [125.0, 6.25], [124.47, 6.47], [124.25, 7.0], [124.47, 7.53], [124.82, 7.68], [124.85, 7.75], [124.75, 8.0], [124.97, 8.53], [125.32, 8.68], [125.46, 9.0], [125.32, 9.32], [125.25, 9.35], [125.0, 9.25], [124.47, 9.47], [124.25, 10.0], [124.46, 10.5], [124.25, 11.0]]]]}, "2021-11-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[124.25, 8.0], [124.47, 8.53], [125.0, 8.75], [125.25, 8.65], [125.32, 8.68], [125.46, 9.0], [125.32, 9.32], [125.25, 9.35], [125.0, 9.25], [124.47, 9.47], [124.25, 10.0], [124.46, 10.5], [124.25, 11.0], [124.47, 11.53], [125.0, 11.75], [125.25, 11.65], [125.5, 11.75], [125.75, 11.65], [126.0, 11.75], [126.25, 11.65], [126.5, 11.75], [126.75, 11.65], [127.0, 11.75], [127.25, 11.65], [127.5, 11.75], [128.03, 11.53], [128.25, 11.0], [128.03, 10.47], [127.68, 10.32], [127.53, 9.97], [127.0, 9.75], [126.75, 9.85], [126.68, 9.82], [126.65, 9.75], [126.68, 9.68], [127.03, 9.53], [127.25, 9.0], [127.15, 8.75], [127.25, 8.5], [127.15, 8.25], [127.25, 8.0], [127.15, 7.75], [127.25, 7.5], [127.03, 6.97], [126.5, 6.75], [126.25, 6.85], [126.0, 6.75], [125.75, 6.85], [125.68, 6.82], [125.53, 6.47], [125.0, 6.25], [124.47, 6.47], [124.25, 7.0], [124.46, 7.5], [124.25, 8.0]]]]}, "2021-11-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": 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8.53], [125.0, 8.75], [125.25, 8.65], [125.5, 8.75], [125.75, 8.65], [126.0, 8.75], [126.53, 8.53], [126.75, 8.0], [126.53, 7.47], [126.18, 7.32], [126.03, 6.97], [125.5, 6.75], [124.97, 6.97], [124.82, 7.32], [124.47, 7.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.858088552432605}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.1974862568017568}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.695437761279152, 27.65700621353335, 27.44395277257854, 26.135142793552973]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.569597148857838, 28.552393095789512, 28.804762325388026, 28.17060540682968]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.168689600036025, 1.3115643221324036, 1.0885374982022904, 1.3382080303262711]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.6735528063864535, 1.6619411710954637, 1.858088552432605, 1.4841464104213173]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.8441094469147343, 2.134075804053838, 1.686765467956774, 1.4736170493007892]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.629205333459488, 2.913093162842654, 2.8154881904296016, 1.6459218581412183]}}