{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:00:36.560508", "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": "2024-Aug-02_to_2024-Aug-08_18.0_21.5"}, "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": 2024080001235}, "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 02 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 08 2024"}, "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": 54611.47553129963}, "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": ["Chad", "Libya"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["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": 21.5}, "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": 18.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "18.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 16.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 19.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 20.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 22.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[16.5, 22.25], [16.75, 22.15], [16.82, 22.18], [16.97, 22.53], [17.32, 22.68], [17.47, 23.03], [18.0, 23.25], [18.25, 23.15], 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[[[[18.97, 22.03], [19.5, 22.25], [20.03, 22.03], [20.25, 21.5], [20.03, 20.97], [19.5, 20.75], [18.97, 20.97], [18.75, 21.5], [18.97, 22.03]]]]}, "2024-08-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[15.97, 20.97], [15.75, 21.5], [15.97, 22.03], [16.5, 22.25], [17.0, 22.04], [17.32, 22.18], [17.35, 22.25], [17.25, 22.5], [17.47, 23.03], [18.0, 23.25], [18.25, 23.15], [18.5, 23.25], [18.75, 23.15], [19.0, 23.25], [19.53, 23.03], [19.75, 22.5], [19.65, 22.25], [19.68, 22.18], [20.03, 22.03], [20.25, 21.5], [20.03, 20.97], [19.68, 20.82], [19.65, 20.75], [19.75, 20.5], [19.53, 19.97], [19.0, 19.75], [18.47, 19.97], [18.32, 20.32], [18.25, 20.35], [18.0, 20.25], [17.75, 20.35], [17.5, 20.25], [17.25, 20.35], [17.0, 20.25], [16.47, 20.47], [16.32, 20.82], [15.97, 20.97]]]]}, "2024-08-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[15.97, 20.97], [15.75, 21.5], [15.97, 22.03], [16.5, 22.25], [16.75, 22.15], [16.82, 22.18], [16.97, 22.53], [17.32, 22.68], [17.47, 23.03], [18.0, 23.25], [18.25, 23.15], [18.5, 23.25], [18.75, 23.15], [19.0, 23.25], [19.53, 23.03], [19.75, 22.5], [19.65, 22.25], [19.75, 22.0], [19.54, 21.5], [19.75, 21.0], [19.65, 20.75], [19.75, 20.5], [19.53, 19.97], [19.0, 19.75], [18.47, 19.97], [18.32, 20.32], [18.25, 20.35], [18.0, 20.25], [17.75, 20.35], [17.5, 20.25], [17.25, 20.35], [17.0, 20.25], [16.47, 20.47], [16.32, 20.82], [15.97, 20.97]]]]}, "2024-08-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[15.97, 20.97], [15.75, 21.5], [15.97, 22.03], [16.5, 22.25], [16.75, 22.15], [16.82, 22.18], [16.97, 22.53], [17.32, 22.68], [17.47, 23.03], [18.0, 23.25], [18.25, 23.15], [18.5, 23.25], [18.75, 23.15], [19.0, 23.25], [19.53, 23.03], [19.75, 22.5], [19.65, 22.25], [19.75, 22.0], [19.54, 21.5], [19.75, 21.0], [19.65, 20.75], [19.75, 20.5], [19.53, 19.97], [19.0, 19.75], [18.47, 19.97], [18.32, 20.32], [18.25, 20.35], [18.0, 20.25], [17.75, 20.35], [17.5, 20.25], [17.25, 20.35], [17.0, 20.25], [16.47, 20.47], [16.32, 20.82], [15.97, 20.97]]]]}, "2024-08-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[15.97, 20.97], [15.75, 21.5], [15.97, 22.03], [16.5, 22.25], [16.75, 22.15], [16.82, 22.18], [16.97, 22.53], [17.32, 22.68], [17.47, 23.03], [18.0, 23.25], [18.25, 23.15], [18.5, 23.25], [18.75, 23.15], [19.0, 23.25], [19.53, 23.03], [19.75, 22.5], [19.65, 22.25], [19.75, 22.0], [19.54, 21.5], [19.75, 21.0], [19.65, 20.75], [19.75, 20.5], [19.53, 19.97], [19.0, 19.75], [18.47, 19.97], [18.32, 20.32], [18.25, 20.35], [18.0, 20.25], [17.75, 20.35], [17.5, 20.25], [17.25, 20.35], [17.0, 20.25], [16.47, 20.47], [16.32, 20.82], [15.97, 20.97]]]]}, "2024-08-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[17.25, 21.5], [17.35, 21.75], [17.25, 22.0], [17.47, 22.53], [18.0, 22.75], [18.25, 22.65], [18.5, 22.75], [19.03, 22.53], [19.25, 22.0], [19.15, 21.75], [19.25, 21.5], [19.03, 20.97], [18.68, 20.82], [18.53, 20.47], [18.0, 20.25], [17.47, 20.47], [17.25, 21.0], [17.35, 21.25], [17.25, 21.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.9426339892071383}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.141830302076411}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [32.77788940904378, 32.85336718118202, 30.137730328725354, 30.29259630794178, 30.45590505630031, 30.561384088968907, 30.12782799172703]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [32.77788940904378, 32.85336718118202, 34.14448383791489, 34.206715770498306, 34.413006005459806, 34.51364303497758, 33.21602102509047]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.972221700414309, 2.115369621797413, 1.9178433297648914, 2.060287218991195, 2.2778434815498496, 2.380199152885739, 1.88837965441262]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.972221700414309, 2.115369621797413, 2.2138598858254, 2.4260274266663373, 2.9426339892071383, 2.8201645547640624, 2.113027406761603]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3645601952100985, 1.430041987486679, 1.3556333293821101, 1.481793759564554, 1.6336622558207132, 1.7047199376231486, 1.3542200779912505]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3645601952100985, 1.430041987486679, 1.6071462659476052, 1.7906914156027691, 2.1733875498230333, 2.0735528381212087, 1.4997169671959742]}}