{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:05:19.387450", "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": "2016-Apr-25_to_2016-May-01_41.0_-15.0"}, "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": 2016040002116}, "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 25 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 01 2016"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 62816.20895770109}, "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": ["Mozambique"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Southern-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": ["Mozambique Channel"]}, "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": -15.0}, "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": 41.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "41.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 40.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 42.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -16.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -12.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-04-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[39.97, -14.97], [40.32, -14.82], [40.47, -14.47], [41.0, -14.25], [41.53, -14.47], [41.68, -14.82], [42.03, -14.97], [42.25, -15.5], [42.03, -16.03], [41.68, -16.18], [41.53, -16.53], [41.0, -16.75], [40.75, -16.65], [40.5, -16.75], [39.97, -16.53], [39.75, -16.0], [39.85, -15.75], [39.75, -15.5], [39.97, -14.97]]]]}, "2016-04-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[39.97, -14.97], [40.32, -14.82], [40.47, -14.47], [41.0, -14.25], [41.53, -14.47], [41.68, -14.82], [42.03, -14.97], [42.25, -15.5], [42.15, -15.75], [42.25, -16.0], [42.03, -16.53], [41.5, -16.75], [41.25, -16.65], [41.0, -16.75], [40.75, -16.65], [40.5, -16.75], [39.97, -16.53], [39.75, -16.0], [39.85, -15.75], [39.75, -15.5], [39.97, -14.97]]]]}, "2016-04-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[39.97, -14.97], [40.32, -14.82], [40.47, -14.47], [41.0, -14.25], [41.25, -14.35], [41.5, -14.25], [42.0, -14.46], [42.5, -14.25], [43.03, -14.47], [43.25, -15.0], [43.03, -15.53], [42.5, -15.75], [42.2, -15.62], [42.15, -15.75], [42.25, -16.0], [42.03, -16.53], [41.5, -16.75], [41.25, -16.65], [41.0, -16.75], [40.75, -16.65], [40.5, -16.75], [39.97, -16.53], [39.75, -16.0], [39.85, -15.75], [39.75, -15.5], [39.97, -14.97]]]]}, "2016-04-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[40.35, -14.75], [40.25, -14.5], [40.35, -14.25], [40.25, -14.0], [40.47, -13.47], [41.0, -13.25], [41.25, -13.35], [41.5, -13.25], [42.03, -13.47], [42.18, -13.82], [42.25, -13.85], [42.5, -13.75], [43.03, -13.97], [43.25, -14.5], [43.15, -14.75], [43.25, -15.0], [43.03, -15.53], [42.5, -15.75], [42.2, -15.62], [42.15, -15.75], [42.25, -16.0], [42.03, -16.53], [41.5, -16.75], [40.97, -16.53], [40.82, -16.18], [40.47, -16.03], [40.25, -15.5], [40.35, -15.25], [40.25, -15.0], [40.35, -14.75]]]]}, "2016-04-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[40.35, -14.75], [40.25, -14.5], [40.35, -14.25], [40.25, -14.0], [40.35, -13.75], [40.25, -13.5], [40.35, -13.25], [40.25, -13.0], [40.47, 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-15.25], [40.25, -15.0], [40.35, -14.75]]]]}, "2016-05-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[40.35, -14.75], [40.25, -14.5], [40.35, -14.25], [40.25, -14.0], [40.35, -13.75], [40.25, -13.5], [40.35, -13.25], [40.25, -13.0], [40.47, -12.47], [41.0, -12.25], [41.25, -12.35], [41.5, -12.25], [42.03, -12.47], [42.18, -12.82], [42.53, -12.97], [42.75, -13.5], [42.65, -13.75], [42.75, -14.0], [42.65, -14.25], [42.75, -14.5], [42.53, -15.03], [42.18, -15.18], [42.03, -15.53], [41.68, -15.68], [41.53, -16.03], [41.0, -16.25], [40.47, -16.03], [40.25, -15.5], [40.35, -15.25], [40.25, -15.0], [40.35, -14.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.4306418602938606}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.9673496520254486}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.701773425638635, 27.916406965385534, 27.919897982555483, 27.77676201083898, 27.742530944404564, 27.715472893995184, 27.73167447519444]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.88206867180395, 28.228370746671146, 28.12481812978541, 27.973637454688117, 28.046078194838913, 27.969642843354166, 27.848980052791376]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.851358370730452, 1.1104758046286716, 1.1135219751436252, 0.8998140483317106, 0.9168559568220651, 0.9440245114070839, 0.9921151654781843]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.9921656091708542, 1.4306418602938606, 1.2820152822749264, 1.068497529914623, 1.0756459411148285, 1.2126477408278333, 1.1998902356208418]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2873529297654038, 1.7060204691847365, 1.8229121691386314, 1.5570052456112995, 1.6087509650464389, 1.68374778632398, 1.7830128289168385]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5125583864718772, 2.0690946199463642, 1.9714045355963572, 1.8598467338572975, 1.8765714625774443, 2.205614784996259, 1.9719226860836199]}}