{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:19:47.912770", "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": "2019-May-18_to_2019-May-24_128.5_2.5"}, "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": 2019050002216}, "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": "May 18 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 24 2019"}, "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": 71016.77758015195}, "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"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.Asia"]}, "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": ["Halmahera Sea", "North Pacific Ocean", "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": 2.5}, "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": 128.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "128.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 127.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 131.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 0.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 4.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-05-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[128.5, 3.25], [129.03, 3.03], [129.25, 2.5], [129.03, 1.97], [128.5, 1.75], [127.97, 1.97], [127.75, 2.5], [127.97, 3.03], [128.5, 3.25]]]]}, "2019-05-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[127.35, 1.25], [127.25, 1.5], [127.35, 1.75], [127.25, 2.0], [127.47, 2.53], [127.82, 2.68], [127.97, 3.03], [128.5, 3.25], [128.75, 3.15], [129.0, 3.25], [129.25, 3.15], [129.5, 3.25], [130.0, 3.04], [130.5, 3.25], [130.75, 3.15], [131.0, 3.25], [131.53, 3.03], [131.75, 2.5], [131.53, 1.97], [131.0, 1.75], [130.75, 1.85], [130.5, 1.75], [130.2, 1.87], [130.03, 1.47], [129.5, 1.25], [129.25, 1.35], [129.18, 1.32], [129.15, 1.25], [129.25, 1.0], [129.03, 0.47], [128.68, 0.32], [128.53, -0.03], [128.0, -0.25], [127.47, -0.03], [127.25, 0.5], [127.35, 0.75], [127.25, 1.0], [127.35, 1.25]]]]}, "2019-05-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[127.35, 1.25], [127.25, 1.5], [127.35, 1.75], [127.25, 2.0], [127.47, 2.53], [127.82, 2.68], [127.97, 3.03], [128.32, 3.18], [128.47, 3.53], [128.82, 3.68], [128.97, 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"value": 1.0672570459687236}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.96503003176565, 27.833368178131877, 28.169806921766167, 28.12154810458918, 28.334212553686257, 27.98759575151894, 27.354726684063394]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.96503003176565, 28.745028171835486, 28.844435407832236, 28.89669521189893, 28.74811182487059, 28.63783065448746, 28.03724865153964]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.7353413096720374, 1.0398493340867876, 1.0935779107601518, 1.058861461113474, 1.088094668539829, 1.0866190832979683, 1.0105992357681828]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.7353413096720374, 1.3578577389868656, 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