{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:23:05.222047", "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": "2021-Mar-06_to_2021-Mar-10_358.0_12.0"}, "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": 2021030001825}, "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 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 10 2021"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 90672.19406226878}, "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": ["Burkina Faso", "Ghana", "Mali"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Africa", "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": 12.0}, "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": 358.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "358.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 355.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 359.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 10.0}, "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": [[[-2.25, 13.146], [-2.177, 13.177], [-2.03, 13.53], [-1.5, 13.75], [-1.25, 13.646], [-1.0, 13.75], [-0.47, 13.53], [-0.25, 13.0], [-0.47, 12.47], [-0.823, 12.323], [-0.854, 12.25], [-0.75, 12.0], [-0.97, 11.47], [-1.323, 11.323], [-1.47, 10.97], [-1.823, 10.823], [-1.854, 10.75], [-1.854, 10.749], [-1.75, 10.5], [-1.97, 9.97], [-2.323, 9.823], [-2.47, 9.47], [-3.0, 9.25], [-3.53, 9.47], [-3.75, 10.0], [-3.646, 10.25], [-3.656, 10.274], [-3.677, 10.323], [-4.03, 10.47], [-4.177, 10.823], [-4.53, 10.97], [-4.75, 11.5], [-4.646, 11.75], [-4.75, 12.0], [-4.646, 12.25], [-4.677, 12.323], [-4.75, 12.354], [-5.0, 12.25], [-5.53, 12.47], [-5.75, 13.0], [-5.53, 13.53], [-5.177, 13.677], [-5.03, 14.03], [-4.5, 14.25], [-4.25, 14.146], [-4.0, 14.25], [-3.47, 14.03], [-3.323, 13.677], [-2.97, 13.53], [-2.823, 13.177], [-2.75, 13.146], [-2.5, 13.25], [-2.25, 13.146]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Western-Africa"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": 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"description": "Mean t2m anomaly over entire duration", "value": 2.711149692538166}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [33.33312202157356, 33.71033247396366, 33.8121102978277, 33.853931076569324, 33.738580633701986]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [33.7320989666577, 34.535856302191746, 34.57372556948957, 34.81758936059799, 34.08121074027491]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.133054974713957, 2.7815886923567765, 2.789954992995439, 2.793365811075056, 2.474186266048394]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.432208396429928, 3.3792658110416482, 3.6996537785759642, 3.7912254245563304, 2.9449593298018044]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2493873680612242, 1.488602010108248, 1.4651671043373764, 1.4819177869130677, 1.447422762676091]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3628194380512408, 1.7800444717950374, 1.8016931404265173, 1.8120699994715352, 1.659461418546409]}}