{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:26:39.735344", "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-Jul-07_to_2021-Jul-10_344.0_13.0"}, "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": 2021070001736}, "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": "July 07 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 10 2021"}, "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": 65999.74751205614}, "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": ["Gambia", "Mali", "Senegal"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Sahara", "Western-Africa"]}, "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": 13.0}, "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": 344.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "344.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 343.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 350.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 12.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 15.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-07-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-15.5, 14.25], [-15.25, 14.15], [-15.18, 14.18], [-15.03, 14.53], [-14.5, 14.75], [-14.25, 14.65], [-14.18, 14.68], [-14.03, 15.03], [-13.5, 15.25], [-13.25, 15.15], [-13.0, 15.25], [-12.75, 15.15], [-12.5, 15.25], [-11.97, 15.03], [-11.82, 14.68], [-11.75, 14.65], [-11.68, 14.68], [-11.53, 15.03], [-11.0, 15.25], [-10.75, 15.15], [-10.68, 15.18], [-10.53, 15.53], [-10.0, 15.75], [-9.47, 15.53], [-9.32, 15.18], [-8.97, 15.03], [-8.75, 14.5], [-8.97, 13.97], [-9.5, 13.75], [-9.75, 13.85], [-9.82, 13.82], [-9.97, 13.47], [-10.5, 13.25], [-10.8, 13.38], [-10.97, 12.97], [-11.32, 12.82], [-11.47, 12.47], [-12.0, 12.25], [-12.53, 12.47], [-12.75, 13.0], [-12.54, 13.5], [-12.68, 13.82], [-12.75, 13.85], [-12.82, 13.82], [-12.97, 13.47], [-13.5, 13.25], [-13.75, 13.35], [-13.82, 13.32], [-13.85, 13.25], [-13.75, 13.0], [-13.97, 12.47], [-14.5, 12.25], [-15.0, 12.46], [-15.5, 12.25], [-15.75, 12.35], [-16.0, 12.25], [-16.53, 12.47], [-16.75, 13.0], [-16.53, 13.53], [-16.18, 13.68], [-16.03, 14.03], [-15.5, 14.25]]]]}, "2021-07-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-15.5, 14.25], [-15.25, 14.15], [-15.18, 14.18], [-15.03, 14.53], [-14.5, 14.75], [-14.25, 14.65], [-14.18, 14.68], [-14.03, 15.03], [-13.5, 15.25], [-13.25, 15.15], [-13.0, 15.25], [-12.75, 15.15], [-12.5, 15.25], [-11.97, 15.03], [-11.82, 14.68], [-11.75, 14.65], [-11.68, 14.68], [-11.53, 15.03], [-11.0, 15.25], [-10.75, 15.15], [-10.68, 15.18], [-10.53, 15.53], [-10.0, 15.75], [-9.47, 15.53], [-9.32, 15.18], [-8.97, 15.03], [-8.75, 14.5], [-8.97, 13.97], [-9.5, 13.75], [-9.75, 13.85], [-9.82, 13.82], [-9.97, 13.47], [-10.5, 13.25], [-10.8, 13.38], [-10.97, 12.97], [-11.32, 12.82], [-11.47, 12.47], [-12.0, 12.25], [-12.53, 12.47], [-12.75, 13.0], [-12.54, 13.5], [-12.68, 13.82], [-12.75, 13.85], [-12.82, 13.82], [-12.97, 13.47], [-13.5, 13.25], [-13.75, 13.35], [-13.82, 13.32], [-13.85, 13.25], [-13.75, 13.0], [-13.97, 12.47], [-14.5, 12.25], [-15.0, 12.46], [-15.5, 12.25], [-15.75, 12.35], [-16.0, 12.25], [-16.53, 12.47], [-16.75, 13.0], [-16.53, 13.53], [-16.18, 13.68], [-16.03, 14.03], [-15.5, 14.25]]]]}, "2021-07-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-15.5, 14.25], [-15.25, 14.15], [-15.18, 14.18], [-15.03, 14.53], [-14.5, 14.75], [-14.25, 14.65], [-14.18, 14.68], [-14.03, 15.03], [-13.5, 15.25], [-13.25, 15.15], [-13.0, 15.25], [-12.75, 15.15], [-12.5, 15.25], [-11.97, 15.03], [-11.82, 14.68], [-11.75, 14.65], [-11.68, 14.68], [-11.53, 15.03], [-11.0, 15.25], [-10.75, 15.15], [-10.68, 15.18], [-10.53, 15.53], [-10.0, 15.75], [-9.47, 15.53], [-9.32, 15.18], [-8.97, 15.03], [-8.75, 14.5], [-8.97, 13.97], [-9.5, 13.75], [-9.75, 13.85], [-9.82, 13.82], [-9.97, 13.47], [-10.5, 13.25], [-10.8, 13.38], [-10.97, 12.97], [-11.32, 12.82], [-11.47, 12.47], [-12.0, 12.25], [-12.53, 12.47], [-12.75, 13.0], [-12.54, 13.5], [-12.68, 13.82], [-12.75, 13.85], [-12.82, 13.82], [-12.97, 13.47], [-13.5, 13.25], [-13.75, 13.35], [-13.82, 13.32], [-13.85, 13.25], [-13.75, 13.0], [-13.97, 12.47], [-14.5, 12.25], [-15.0, 12.46], [-15.5, 12.25], [-15.75, 12.35], [-16.0, 12.25], [-16.53, 12.47], [-16.75, 13.0], [-16.53, 13.53], [-16.18, 13.68], [-16.03, 14.03], [-15.5, 14.25]]]]}, "2021-07-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-15.5, 14.25], [-15.25, 14.15], [-15.18, 14.18], [-15.03, 14.53], [-14.5, 14.75], [-14.25, 14.65], [-14.18, 14.68], [-14.03, 15.03], [-13.5, 15.25], [-13.25, 15.15], [-13.0, 15.25], [-12.75, 15.15], [-12.5, 15.25], [-11.97, 15.03], [-11.82, 14.68], [-11.75, 14.65], [-11.68, 14.68], [-11.53, 15.03], [-11.0, 15.25], [-10.75, 15.15], [-10.5, 15.25], [-10.25, 15.15], [-10.0, 15.25], [-9.47, 15.03], [-9.25, 14.5], [-9.47, 13.97], [-9.82, 13.82], [-9.97, 13.47], [-10.5, 13.25], [-10.8, 13.38], [-10.97, 12.97], [-11.32, 12.82], [-11.47, 12.47], [-12.0, 12.25], [-12.53, 12.47], [-12.75, 13.0], [-12.54, 13.5], [-12.68, 13.82], [-12.75, 13.85], [-12.82, 13.82], [-12.97, 13.47], [-13.5, 13.25], [-13.75, 13.35], [-13.82, 13.32], [-13.85, 13.25], [-13.75, 13.0], [-13.97, 12.47], [-14.5, 12.25], [-15.0, 12.46], [-15.5, 12.25], [-15.75, 12.35], [-16.0, 12.25], [-16.53, 12.47], [-16.75, 13.0], [-16.53, 13.53], [-16.18, 13.68], [-16.03, 14.03], [-15.5, 14.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.310243907079098}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.5335665866075923}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [32.11722282066927, 31.8459080076326, 32.08095070800783, 31.824668809779837]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [33.91247127093419, 33.88255285896662, 33.713258430271765, 33.82904025219517]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.530287248906606, 2.3573634920594952, 2.6770754267893255, 2.573137537881678]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.2433626615763274, 3.2016265368724817, 3.276723088607355, 3.310243907079098]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7076503944447092, 1.5869486407304476, 1.8160740629380243, 1.8015817325063186]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.3726071949078436, 2.0571006450640894, 2.1695674835487733, 2.408670495900649]}}