{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:24:57.721384", "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": "2022-Nov-24_to_2022-Nov-30_259.5_22.0"}, "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": 2022110002722}, "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 24 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 30 2022"}, "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": 72311.93801355094}, "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": ["Mexico"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["America"]}, "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": 22.0}, "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": 259.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "259.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 259.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 262.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 18.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 23.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-101.53, 22.47], [-101.75, 23.0], [-101.53, 23.53], [-101.0, 23.75], [-100.47, 23.53], [-100.32, 23.18], [-99.97, 23.03], 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["N.Central-America", "S.Central-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-11-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-101.52999999999997, 20.47], [-101.75, 21.0], [-101.52999999999997, 21.53], [-101.12, 21.7], [-101.25, 22.0], [-101.12, 22.3], [-101.52999999999997, 22.47], [-101.75, 23.0], [-101.52999999999997, 23.53], [-101.0, 23.75], [-100.47000000000003, 23.53], [-100.25, 23.0], [-100.37, 22.7], [-99.97000000000003, 22.53], [-99.82, 22.18], [-99.47000000000003, 22.03], [-99.25, 21.5], [-99.35000000000002, 21.25], [-99.25, 21.0], [-99.35000000000002, 20.75], [-99.30000000000001, 20.62], [-99.0, 20.75], [-98.47000000000003, 20.53], [-98.30000000000001, 20.12], [-98.0, 20.25], [-97.75, 20.15], [-97.5, 20.25], [-96.97000000000003, 20.03], [-96.75, 19.5], [-96.97000000000003, 18.97], [-97.5, 18.75], [-97.75, 18.85], [-98.0, 18.75], [-98.52999999999997, 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