{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:21:08.734032", "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-Aug-05_to_2020-Aug-07_36.0_-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": 2020080001516}, "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": "August 05 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 07 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": 57147.8227129604}, "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": ["Malawi", "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": []}, "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": 36.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "36.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 35.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 37.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -14.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -11.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-08-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[34.85, -13.75], [34.75, -13.5], [34.85, -13.25], [34.75, -13.0], [34.85, -12.75], [34.75, -12.5], [34.97, -11.97], [35.5, -11.75], [35.75, -11.85], [35.82, -11.82], [35.97, -11.47], [36.5, -11.25], [37.03, -11.47], [37.25, -12.0], [37.15, -12.25], [37.18, -12.32], [37.25, -12.35], [37.5, -12.25], [38.03, -12.47], [38.25, -13.0], [38.15, -13.25], [38.25, -13.5], [38.15, -13.75], [38.25, -14.0], [38.03, -14.53], [37.5, -14.75], [37.25, -14.65], [37.0, -14.75], [36.75, -14.65], [36.5, -14.75], [36.25, -14.65], [36.18, -14.68], [36.03, -15.03], [35.5, -15.25], [34.97, -15.03], [34.75, -14.5], [34.85, -14.25], [34.75, -14.0], [34.85, -13.75]]]]}, "2020-08-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[34.85, -13.75], [34.75, -13.5], [34.85, -13.25], [34.75, -13.0], [34.85, -12.75], [34.75, -12.5], [34.97, -11.97], [35.5, -11.75], [35.75, -11.85], [35.82, -11.82], [35.97, -11.47], [36.5, -11.25], [37.03, -11.47], [37.25, -12.0], [37.15, -12.25], [37.18, -12.32], [37.25, -12.35], [37.5, -12.25], [38.03, -12.47], [38.25, -13.0], [38.15, -13.25], [38.25, -13.5], [38.15, -13.75], [38.25, -14.0], [38.03, -14.53], [37.5, -14.75], [37.25, -14.65], [37.0, -14.75], [36.75, -14.65], [36.5, -14.75], [36.25, -14.65], [36.18, -14.68], [36.03, -15.03], [35.5, -15.25], [34.97, -15.03], [34.75, -14.5], [34.85, -14.25], [34.75, -14.0], [34.85, -13.75]]]]}, "2020-08-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[34.85, -13.75], [34.75, -13.5], [34.85, -13.25], [34.75, -13.0], [34.85, -12.75], [34.75, -12.5], [34.97, -11.97], [35.5, -11.75], [35.75, -11.85], [35.82, -11.82], [35.97, -11.47], [36.5, -11.25], [37.03, -11.47], [37.25, -12.0], [37.15, -12.25], [37.18, -12.32], [37.25, -12.35], [37.5, -12.25], [38.03, -12.47], [38.25, -13.0], [38.15, -13.25], [38.25, -13.5], [38.15, -13.75], [38.25, -14.0], [38.03, -14.53], [37.5, -14.75], [37.25, -14.65], [37.0, -14.75], [36.75, -14.65], [36.5, -14.75], [36.25, -14.65], [36.18, -14.68], [36.03, -15.03], [35.5, -15.25], [34.97, -15.03], [34.75, -14.5], [34.85, -14.25], [34.75, -14.0], [34.85, -13.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.9138965777871704}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.0174798723918927}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [21.72085247596192, 22.020381341197265, 22.268358998674955]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [23.813901263087303, 23.961257066336145, 24.730588545018406]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.7894725016852577, 2.035854811316405, 2.227112304174015]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.268940668233313, 2.642744783959756, 2.9138965777871704]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5704378914536903, 1.7275543853282553, 1.8762947685814377]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9653282931788962, 2.137920022135389, 2.583376835057561]}}