{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:13:04.114541", "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": "2018-Jun-15_to_2018-Jun-21_37.0_-14.5"}, "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": 2018060002320}, "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": "June 15 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 21 2018"}, "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": 53858.00897415951}, "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": []}, "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": -14.5}, "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": 37.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "37.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 36.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 39.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -15.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -13.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-06-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[38.0, -13.75], [38.53, -13.97], [38.75, -14.5], [38.53, -15.03], [38.0, -15.25], [37.47, -15.03], [37.25, -14.5], [37.47, -13.97], [38.0, -13.75]]]]}, "2018-06-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[37.0, -13.25], [37.25, -13.35], [37.5, -13.25], [38.0, -13.46], [38.5, -13.25], [38.75, -13.35], [39.0, -13.25], [39.53, -13.47], [39.75, -14.0], [39.53, -14.53], [39.0, -14.75], [38.75, -14.65], [38.68, -14.68], [38.53, -15.03], [38.18, -15.18], [38.03, -15.53], [37.5, -15.75], [36.97, -15.53], [36.82, -15.18], [36.75, -15.15], [36.5, -15.25], [35.97, -15.03], [35.75, -14.5], [35.97, -13.97], [36.32, -13.82], [36.47, -13.47], [37.0, -13.25]]]]}, "2018-06-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[37.0, -13.25], [37.25, -13.35], [37.5, -13.25], [37.75, -13.35], [37.82, -13.32], [37.97, -12.97], [38.5, -12.75], [39.03, -12.97], [39.18, -13.32], [39.53, -13.47], [39.75, -14.0], [39.65, -14.25], [39.75, -14.5], [39.53, -15.03], [39.0, -15.25], [38.75, -15.15], [38.5, -15.25], [38.25, -15.15], [38.18, -15.18], [38.03, -15.53], [37.5, -15.75], [36.97, -15.53], [36.82, -15.18], [36.75, -15.15], [36.5, -15.25], [35.97, -15.03], [35.75, -14.5], [35.97, -13.97], [36.32, -13.82], [36.47, -13.47], [37.0, -13.25]]]]}, "2018-06-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[37.0, -13.25], [37.25, -13.35], [37.5, -13.25], [37.75, -13.35], [37.82, -13.32], [37.97, -12.97], [38.5, -12.75], [39.03, -12.97], [39.18, -13.32], [39.53, -13.47], [39.75, -14.0], [39.65, -14.25], [39.75, -14.5], [39.53, -15.03], [39.0, -15.25], [38.75, -15.15], [38.5, -15.25], [38.25, -15.15], [38.18, -15.18], [38.03, -15.53], [37.5, -15.75], [36.97, -15.53], [36.82, -15.18], [36.75, -15.15], [36.5, -15.25], [35.97, -15.03], [35.75, -14.5], [35.97, -13.97], [36.32, -13.82], [36.47, -13.47], [37.0, -13.25]]]]}, "2018-06-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[36.47, -13.47], [37.0, -13.25], [37.25, -13.35], [37.5, -13.25], [37.75, -13.35], [37.82, -13.32], [37.97, -12.97], [38.5, -12.75], [39.03, -12.97], [39.18, -13.32], [39.53, -13.47], [39.75, -14.0], [39.65, -14.25], [39.75, -14.5], [39.65, -14.75], [39.75, -15.0], [39.53, -15.53], [39.18, -15.68], [39.03, -16.03], [38.5, -16.25], [38.25, -16.15], [38.0, -16.25], [37.47, -16.03], [37.32, -15.68], [36.97, -15.53], [36.82, -15.18], [36.47, -15.03], [36.25, -14.5], [36.35, -14.25], [36.25, -14.0], [36.47, -13.47]]]]}, "2018-06-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[36.25, -14.5], [36.47, -13.97], [37.0, -13.75], [37.25, -13.85], [37.32, -13.82], [37.47, -13.47], [37.82, -13.32], [37.97, -12.97], [38.5, -12.75], [39.03, -12.97], [39.18, -13.32], [39.53, -13.47], [39.75, -14.0], [39.65, -14.25], [39.75, -14.5], [39.65, -14.75], [39.75, -15.0], [39.53, -15.53], [39.18, -15.68], [39.03, -16.03], [38.5, -16.25], [38.25, -16.15], [38.0, -16.25], [37.47, -16.03], [37.32, -15.68], [36.97, -15.53], [36.82, -15.18], [36.47, -15.03], [36.25, -14.5]]]]}, "2018-06-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[36.25, -14.5], [36.47, -13.97], [37.0, -13.75], [37.25, -13.85], [37.32, -13.82], [37.47, -13.47], [37.82, -13.32], [37.97, -12.97], [38.5, -12.75], [39.03, -12.97], [39.18, -13.32], [39.53, -13.47], [39.75, -14.0], [39.65, -14.25], [39.75, -14.5], [39.65, -14.75], [39.75, -15.0], [39.53, -15.53], [39.18, -15.68], [39.03, -16.03], [38.5, -16.25], [38.25, -16.15], [38.0, -16.25], [37.47, -16.03], [37.32, -15.68], [36.97, -15.53], [36.82, -15.18], [36.47, -15.03], [36.25, -14.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.7397034959592474}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.6810079611629187}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [22.66892708708184, 22.49076523821327, 22.662856095867994, 22.467320871240474, 21.96286301397322, 22.139184926098608, 22.174407769335858]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [22.66892708708184, 23.75253430259704, 23.80317314910735, 23.82568820586272, 23.415609698837727, 23.572894597096877, 23.948038710010337]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.6172281722145385, 1.9221653416063558, 1.8501671457387419, 1.6938725127876286, 1.504126408350895, 1.6147252398200937, 1.6495600953160723]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.6172281722145385, 2.550518372082138, 2.7397034959592474, 2.1022891961008554, 1.7452020642396064, 2.0015585761161674, 1.9349012335576958]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3097141011404705, 1.657618159884492, 1.7210827530626933, 1.6549053014137365, 1.4890499099044205, 1.650844559744524, 1.7508830784452292]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3097141011404705, 2.1207548553986677, 2.3967249983682324, 1.8907525935607872, 1.7688268389140915, 1.8423004187301046, 2.0944883834286543]}}