{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:17:12.482705", "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-Jan-20_to_2022-Jan-23_314.0_-8.0"}, "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": 2022010002369}, "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": "January 20 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 23 2022"}, "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": 116671.2807363472}, "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": ["Brazil"]}, "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": -8.0}, "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": 314.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "314.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 312.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 315.5}, "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": -4.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-46.5, -10.25], [-47.03, -10.03], [-47.25, -9.5], [-47.15, -9.25], [-47.25, -9.0], [-47.15, -8.75], [-47.25, -8.5], [-47.15, -8.25], [-47.25, -8.0], [-47.15, -7.75], [-47.18, -7.68], [-47.53, -7.53], [-47.68, -7.18], [-47.75, -7.15], [-48.0, -7.25], [-48.53, -7.03], [-48.75, -6.5], [-48.65, -6.25], [-48.75, -6.0], [-48.53, -5.47], [-48.18, -5.32], [-48.15, -5.25], [-48.25, -5.0], [-48.03, -4.47], [-47.5, -4.25], [-47.0, -4.46], [-46.68, -4.32], [-46.53, -3.97], [-46.0, -3.75], [-45.75, -3.85], [-45.5, -3.75], [-44.97, -3.97], [-44.75, -4.5], [-44.85, -4.75], [-44.75, -5.0], [-44.85, -5.25], [-44.82, -5.32], [-44.75, -5.35], [-44.5, -5.25], [-43.97, -5.47], [-43.75, -6.0], [-43.85, -6.25], [-43.75, -6.5], [-43.97, -7.03], [-44.5, -7.25], [-44.75, -7.15], [-45.0, -7.25], [-44.47, -7.47], [-44.25, -8.0], [-44.47, -8.53], [-45.0, -8.75], [-45.25, -8.65], [-45.37, -8.7], [-45.25, -9.0], [-45.47, -9.53], [-45.82, -9.68], [-45.97, -10.03], [-46.5, -10.25]], [[-45.25, -7.15], [-45.32, -7.18], [-45.35, -7.25], [-45.32, -7.32], [-45.25, -7.35], [-45.0, -7.25], [-45.25, -7.15]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.E.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-01-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-48.75, -6.0], [-48.52999999999997, -5.47], [-48.18000000000001, -5.32], [-48.14999999999998, -5.25], [-48.25, -5.0], [-48.02999999999997, -4.47], [-47.5, -4.25], [-47.0, -4.46], [-46.68000000000001, -4.32], [-46.52999999999997, -3.97], [-46.0, -3.75], [-45.75, -3.85], [-45.5, -3.75], [-44.97000000000003, -3.97], [-44.75, -4.5], [-44.85000000000002, -4.75], [-44.75, -5.0], [-44.85000000000002, -5.25], [-44.81999999999999, -5.32], [-44.75, -5.35], [-44.5, -5.25], [-43.97000000000003, -5.47], [-43.75, -6.0], [-43.85000000000002, -6.25], [-43.75, -6.5], [-43.97000000000003, -7.03], [-44.5, -7.25], [-44.75, -7.15], [-45.0, -7.25], [-44.47000000000003, -7.47], [-44.25, -8.0], 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