{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:51:55.060261", "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-May-08_to_2024-May-14_33.5_-20.0"}, "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": 2024050001166}, "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": "May 08 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 14 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": 66210.71394732411}, "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": -20.0}, "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": 33.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "33.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 32.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 35.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -23.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -18.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-05-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[33.5, -19.25], [34.03, -19.47], [34.25, -20.0], [34.03, -20.53], [33.5, -20.75], [32.97, -20.53], [32.75, -20.0], [32.97, -19.47], [33.5, -19.25]]]]}, "2024-05-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[33.5, -19.25], [34.03, -19.47], [34.25, -20.0], [34.03, -20.53], [33.5, -20.75], [32.97, -20.53], [32.75, -20.0], [32.97, -19.47], [33.5, -19.25]]]]}, "2024-05-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[33.47, -18.47], [34.0, -18.25], [34.53, -18.47], [34.75, -19.0], [34.53, -19.53], [34.13, -19.7], [34.25, -20.0], [34.03, -20.53], [33.5, -20.75], [32.97, -20.53], [32.75, -20.0], [32.97, -19.47], [33.38, -19.3], [33.25, -19.0], [33.47, -18.47]]]]}, "2024-05-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[33.32, -19.32], [33.35, -19.25], [33.25, -19.0], [33.47, -18.47], [34.0, -18.25], [34.53, -18.47], [34.75, -19.0], [34.65, -19.25], [34.68, -19.32], [35.03, -19.47], [35.25, -20.0], [35.15, -20.25], [35.18, -20.32], [35.53, -20.47], [35.75, -21.0], [35.53, -21.53], [35.18, -21.68], [35.15, -21.75], [35.25, -22.0], [35.15, -22.25], [35.18, -22.32], [35.53, -22.47], [35.75, -23.0], [35.65, -23.25], [35.75, -23.5], [35.53, -24.03], [35.0, -24.25], [34.75, -24.15], [34.5, -24.25], [33.97, -24.03], [33.75, -23.5], [33.85, -23.25], [33.82, -23.18], [33.47, -23.03], [33.32, -22.68], [32.97, -22.53], [32.75, -22.0], [32.97, -21.47], [33.32, -21.32], [33.35, -21.25], [33.32, -21.18], [33.25, -21.15], [33.0, -21.25], [32.47, -21.03], [32.25, -20.5], [32.47, -19.97], [32.82, -19.82], [32.97, -19.47], [33.32, -19.32]]]]}, "2024-05-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[33.32, -19.32], [33.35, -19.25], [33.25, -19.0], [33.47, -18.47], [34.0, -18.25], [34.53, -18.47], [34.75, -19.0], [34.65, -19.25], [34.68, -19.32], [35.03, -19.47], [35.25, -20.0], [35.15, -20.25], [35.18, -20.32], [35.53, -20.47], [35.75, -21.0], [35.53, -21.53], [35.18, -21.68], [35.15, -21.75], [35.25, -22.0], [35.15, -22.25], [35.18, -22.32], [35.53, -22.47], [35.75, -23.0], [35.65, -23.25], [35.75, -23.5], [35.53, -24.03], [35.0, -24.25], [34.75, -24.15], [34.5, -24.25], [33.97, -24.03], [33.75, -23.5], [33.85, -23.25], [33.82, -23.18], [33.47, -23.03], [33.32, -22.68], [32.97, -22.53], [32.75, -22.0], [32.97, -21.47], [33.32, -21.32], [33.35, -21.25], [33.32, -21.18], [33.25, -21.15], [33.0, -21.25], [32.47, -21.03], [32.25, -20.5], [32.47, -19.97], [32.82, -19.82], [32.97, -19.47], [33.32, -19.32]]]]}, "2024-05-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[33.32, -19.32], [33.47, -18.97], [34.0, -18.75], [34.53, -18.97], [34.68, -19.32], [35.03, -19.47], [35.25, -20.0], [35.15, -20.25], [35.18, -20.32], [35.53, -20.47], [35.75, -21.0], [35.53, -21.53], [35.18, -21.68], [35.15, -21.75], [35.25, -22.0], [35.15, -22.25], [35.18, -22.32], [35.53, -22.47], [35.75, -23.0], [35.65, -23.25], [35.75, -23.5], [35.53, -24.03], [35.0, -24.25], [34.75, -24.15], [34.5, -24.25], [33.97, -24.03], [33.75, -23.5], [33.85, -23.25], [33.82, 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23.87562498864787, 24.02009992007055, 25.01575742838213, 24.847445657234914, 24.340694649505508, 24.62873985007684]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [24.14821767855466, 23.87562498864787, 24.064739692523574, 25.76943107522203, 26.04855051886301, 25.278635309859226, 24.705247907737657]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.177137530563698, 1.9373618082202029, 2.0884347468536077, 2.6503716844199197, 2.587702463838577, 2.1450400818719375, 2.1007649352625037]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.177137530563698, 1.9373618082202029, 2.1946638818945985, 3.5962161950379823, 3.281533752318296, 2.6269638592463025, 2.135222283784344]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5453482826905125, 1.3919357614683225, 1.5188745099652383, 1.9015052195233453, 1.8446267118776534, 1.5089116742938513, 1.3396554250017365]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5453482826905125, 1.3919357614683225, 1.591935959680668, 2.5940665577676163, 2.4596013422517706, 1.8446269816829037, 1.4104209224224675]}}