{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:20:48.895439", "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-Jul-09_to_2020-Jul-12_44.5_-25.0"}, "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": 2020070001876}, "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 09 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 12 2020"}, "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": 59085.851082225316}, "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": ["Madagascar"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Madagascar"]}, "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": -25.0}, "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": 44.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "44.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 41.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 45.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -25.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -22.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-07-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[42.5, -23.75], [42.75, -23.85], [43.0, -23.75], [43.25, 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[46.15, -24.75], [46.25, -25.0], [46.03, -25.53], [45.68, -25.68], [45.53, -26.03], [45.0, -26.25], [44.75, -26.15], [44.5, -26.25], [43.97, -26.03], [43.82, -25.68], [43.47, -25.53], [43.32, -25.18], [43.25, -25.15], [43.18, -25.18], [43.03, -25.53], [42.5, -25.75], [42.25, -25.65], [42.0, -25.75], [41.47, -25.53], [41.25, -25.0], [41.47, -24.47], [41.82, -24.32], [41.97, -23.97], [42.5, -23.75]]]]}, "2020-07-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[42.5, -23.75], [42.75, -23.85], [43.0, -23.75], [43.25, -23.85], [43.38, -23.8], [43.25, -23.5], [43.35, -23.25], [43.25, -23.0], [43.47, -22.47], [44.0, -22.25], [44.25, -22.35], [44.5, -22.25], [45.03, -22.47], [45.25, -23.0], [45.15, -23.25], [45.18, -23.32], [45.25, -23.35], [45.5, -23.25], [46.03, -23.47], [46.25, -24.0], [46.15, -24.25], [46.25, -24.5], [46.15, -24.75], [46.25, -25.0], [46.03, -25.53], [45.68, -25.68], [45.53, -26.03], [45.0, -26.25], [44.75, -26.15], [44.5, -26.25], [43.97, -26.03], 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"value": 3.913760671251964}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.2209910904129506}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [22.204468190113403, 21.96968390017787, 22.4063696706811, 21.822073939479765]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [22.816330411989043, 23.14318415505892, 23.189213945749714, 23.081782948027524]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.4630190004963775, 2.0586591245033734, 2.4928048969919, 2.685496808491835]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.058569827393228, 2.944231518196716, 3.6579987144724555, 3.913760671251964]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3121054017958433, 1.6009545935820886, 1.9231549619762582, 1.8046170948241576]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5347426490929834, 2.1204546128700925, 2.40073934176238, 2.5245146274273216]}}