{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:12:51.494993", "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-06_to_2020-Apr-09_17.5_-13.5"}, "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": 2020040001432}, "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 06 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 09 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": 78380.30830800759}, "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"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["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": []}, "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": -13.5}, "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": 17.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "17.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 17.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 22.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -14.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -11.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "Polygon", "coordinates": [[[16.75, -12.5], [16.97, -11.97], [17.5, -11.75], [17.75, -11.854], [18.0, -11.75], [18.25, -11.854], [18.5, -11.75], [19.03, 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["W.Southern-Africa"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-04-06T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[16.853553390593273, -13.25], [16.75, -13.0], [16.853553390593273, -12.75], [16.75, -12.5], [16.96966991411009, -11.969669914110089], [17.5, -11.75], [18.03033008588991, -11.969669914110089], [18.25, -12.5], [18.146446609406727, -12.75], [18.25, -13.0], [18.146446609406727, -13.25], [18.25, -13.5], [18.03033008588991, -14.030330085889911], [17.5, -14.25], [16.96966991411009, -14.030330085889911], [16.75, -13.5], [16.853553390593273, -13.25]]]}, "2020-04-07T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[16.853553390593273, -13.25], [16.75, -13.0], [16.853553390593273, -12.75], [16.75, -12.5], [16.96966991411009, -11.969669914110089], [17.5, -11.75], [17.75, -11.853553390593273], [18.0, -11.75], [18.25, -11.853553390593273], [18.5, -11.75], 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anomalies.", "value": [1.7234537504550265, 1.4528112647078069, 1.6266115965083958, 1.576680147217657]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.8995105727074701, 1.682308911228688, 2.3890864179423374, 2.034218372043199]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.855172227672342, 1.5380960878377097, 1.7566469980827386, 1.7424006995440848]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.046613683973366, 1.815494953592556, 2.497518274130908, 2.284397213165422]}}