{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:13:01.048300", "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": "2020-Apr-13_to_2020-Apr-16_12.5_-6.0"}, "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": 2020040001829}, "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": "April 13 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 16 2020"}, "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": 52148.56026414267}, "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": ["Angola", "Congo, The Democratic Republic of the"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Africa", "Africa"]}, "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": ["Atlantic Ocean"]}, "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": -6.0}, "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": 12.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "12.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 12.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 14.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -8.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -5.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "Polygon", "coordinates": [[[11.47, -6.97], [11.823, -6.823], [11.854, -6.75], [11.75, -6.5], [11.854, -6.25], [11.75, -6.0], [11.97, -5.47], [12.323, -5.323], [12.47, -4.97], [13.0, -4.75], [13.53, -4.97], [13.75, -5.5], [13.646, -5.75], [13.677, -5.823], [14.03, -5.97], [14.177, -6.323], [14.53, -6.47], [14.75, -7.0], [14.646, -7.25], [14.75, -7.5], [14.53, -8.03], [14.125, -8.198], [14.25, -8.5], [14.03, -9.03], [13.5, -9.25], [12.97, -9.03], [12.823, -8.677], [12.75, -8.646], [12.5, -8.75], [11.97, -8.53], [11.823, -8.177], [11.47, -8.03], [11.25, -7.5], [11.47, -6.97]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Central-Africa"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-04-13T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[11.853553390593273, -6.25], [11.75, -6.0], [11.969669914110089, -5.4696699141100895], [12.323223304703363, -5.3232233047033635], [12.469669914110089, -4.9696699141100895], [13.0, -4.75], [13.530330085889911, -4.9696699141100895], [13.75, -5.5], 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anomalies.", "value": [1.171529325491499, 1.2528311405663095, 1.3821887308551817, 1.0616899709777798]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.4505053945335362, 1.738947472366533, 1.7309599729057368, 1.297774771893728]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5592616430252122, 1.7187607743879842, 1.9022337275433454, 1.4691472665045107]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7979483388655653, 2.258330068409053, 2.6175341381460817, 1.773200967921633]}}