{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:12:00.481913", "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-Mar-06_to_2020-Mar-08_33.0_12.5"}, "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": 2020030001419}, "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 06 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 08 2020"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 93558.6051299291}, "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": ["South Sudan", "Sudan"]}, "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": []}, "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": 12.5}, "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": 33.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "33.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 31.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 34.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 10.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 13.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "Polygon", "coordinates": [[[30.47, 14.03], [31.0, 14.25], [31.25, 14.146], [31.5, 14.25], [31.75, 14.146], [32.0, 14.25], [32.25, 14.146], [32.5, 14.25], [32.75, 14.146], [33.0, 14.25], [33.25, 14.146], [33.5, 14.25], [34.03, 14.03], [34.177, 13.677], [34.25, 13.646], [34.5, 13.75], [35.03, 13.53], [35.25, 13.0], [35.146, 12.75], [35.25, 12.5], [35.146, 12.25], [35.25, 12.0], [35.03, 11.47], [34.625, 11.302], [34.75, 11.0], [34.646, 10.75], [34.75, 10.5], [34.53, 9.97], [34.0, 9.75], [33.75, 9.854], [33.5, 9.75], [32.97, 9.97], [32.75, 10.5], [32.854, 10.75], [32.823, 10.823], [32.47, 10.97], [32.323, 11.323], [32.0, 11.457], [31.5, 11.25], [30.97, 11.47], [30.75, 12.0], [30.875, 12.302], [30.47, 12.47], [30.25, 13.0], [30.354, 13.25], [30.25, 13.5], [30.47, 14.03]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Eastern-Africa"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-03-06T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[30.353553390593273, 13.25], [30.25, 13.5], 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11.457106781186548], [31.5, 11.25], [30.96966991411009, 11.469669914110089], [30.75, 12.0], [30.875, 12.301776695296637], [30.46966991411009, 12.469669914110089], [30.25, 13.0], [30.353553390593273, 13.25]]]}, "2020-03-07T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[30.353553390593273, 13.25], [30.25, 13.5], [30.46966991411009, 14.030330085889911], [31.0, 14.25], [31.25, 14.146446609406727], [31.5, 14.25], [31.75, 14.146446609406727], [32.0, 14.25], [32.25, 14.146446609406727], [32.5, 14.25], [32.75, 14.146446609406725], [33.0, 14.25], [33.25, 14.146446609406725], [33.5, 14.25], [34.03033008588991, 14.030330085889911], [34.17677669529664, 13.676776695296637], [34.25, 13.646446609406725], [34.5, 13.75], [35.03033008588991, 13.530330085889911], [35.25, 13.0], [35.14644660940672, 12.75], [35.25, 12.5], [35.14644660940672, 12.25], [35.25, 12.0], [35.03033008588991, 11.469669914110089], [34.625, 11.301776695296637], [34.75, 11.0], [34.64644660940672, 10.75], [34.75, 10.5], 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anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.8489365589074804}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [33.72683665779749, 34.487870126618304, 34.47872303224801]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [34.83417553238485, 35.76640195406634, 35.79590701297917]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.5522770090725304, 4.106172513645667, 3.888360154004244]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.417043460536547, 4.991154016234816, 4.625598586399747]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4966196861238208, 1.762898608462567, 1.6591807049195286]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7878861289771388, 2.0587877656549303, 2.0080255471546224]}}