{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:52:08.399360", "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-Mar-23_to_2023-Mar-27_137.0_-4.0"}, "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": 2023030002308}, "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": "March 23 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 27 2023"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 74052.56867799454}, "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": []}, "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": -4.0}, "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": 137.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "137.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 132.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 138.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -5.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -1.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[137.68, -3.82], [137.75, -3.85], [138.0, -3.75], [138.53, -3.97], [138.75, -4.5], [138.65, -4.75], [138.75, -5.0], [138.53, -5.53], [138.0, -5.75], [137.75, -5.65], [137.5, -5.75], [136.97, -5.53], [136.8, -5.13], [136.5, -5.25], [135.97, -5.03], [135.82, -4.68], [135.75, -4.65], [135.5, -4.75], [134.97, -4.53], [134.82, -4.18], [134.75, -4.15], [134.5, -4.25], [134.25, -4.15], [134.0, -4.25], [133.75, -4.15], [133.5, -4.25], [132.97, -4.03], [132.82, -3.68], [132.75, -3.65], [132.5, -3.75], [131.97, -3.53], [131.75, -3.0], [131.97, -2.47], [132.38, -2.3], [132.25, -2.0], [132.35, -1.75], [132.25, -1.5], [132.47, -0.97], [133.0, -0.75], [133.25, -0.85], [133.5, -0.75], [133.75, -0.85], [134.0, -0.75], [134.53, -0.97], [134.75, -1.5], [134.54, -2.0], [134.75, -2.5], [134.65, -2.75], [134.68, -2.82], [134.75, -2.85], [135.0, -2.75], [135.5, -2.96], [135.82, -2.82], [135.85, -2.75], [135.75, -2.5], [135.97, -1.97], [136.5, -1.75], [137.03, -1.97], [137.25, -2.5], [137.15, -2.75], [137.25, -3.0], [137.13, -3.3], [137.53, -3.47], [137.68, -3.82]]]]}}, "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": {"2023-03-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[132.25, -1.5], [132.47, -0.97], [133.0, -0.75], [133.25, -0.85], [133.5, -0.75], [133.75, -0.85], [134.0, -0.75], [134.53, -0.97], [134.75, -1.5], [134.54, -2.0], [134.75, -2.5], [134.65, -2.75], [134.68, -2.82], [134.75, -2.85], [135.0, -2.75], [135.5, -2.96], [135.82, -2.82], [135.85, -2.75], [135.75, -2.5], [135.97, -1.97], [136.5, -1.75], [137.03, -1.97], [137.25, -2.5], [137.15, -2.75], [137.25, -3.0], [137.13, -3.3], [137.53, -3.47], [137.68, -3.82], [138.03, -3.97], [138.25, -4.5], [138.03, -5.03], [137.5, -5.25], [136.97, -5.03], [136.82, -4.68], [136.5, -4.54], [136.0, -4.75], [135.75, -4.65], [135.5, -4.75], [134.97, -4.53], [134.82, -4.18], [134.75, -4.15], [134.5, -4.25], [134.25, -4.15], 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