{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:33:37.359614", "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": "2022-Dec-04_to_2022-Dec-06_31.0_-16.0"}, "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": 2022120001657}, "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": "December 04 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 06 2022"}, "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": 139313.46873041417}, "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", "Zambia", "Zimbabwe"]}, "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": ["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": -16.0}, "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": 31.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "31.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 28.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 36.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -19.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -13.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-12-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[28.25, -15.0], [28.47, -14.47], [29.0, -14.25], [29.53, 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-16.75], [30.0, -16.54], [29.5, -16.75], [28.97, -16.53], [28.75, -16.0], [28.85, -15.75], [28.82, -15.68], [28.47, -15.53], [28.25, -15.0]]]]}, "2022-12-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[28.25, -15.0], [28.47, -14.47], [29.0, -14.25], [29.53, -14.47], [29.68, -14.82], [29.75, -14.85], [30.0, -14.75], [30.3, -14.87], [30.47, -14.47], [30.88, -14.3], [30.75, -14.0], [30.97, -13.47], [31.5, -13.25], [32.03, -13.47], [32.18, -13.82], [32.53, -13.97], [32.68, -14.32], [32.75, -14.35], [33.0, -14.25], [33.53, -14.47], [33.68, -14.82], [34.03, -14.97], [34.18, -15.32], [34.25, -15.35], [34.5, -15.25], [35.03, -15.47], [35.25, -16.0], [35.13, -16.3], [35.5, -16.46], [36.0, -16.25], [36.53, -16.47], [36.68, -16.82], [37.03, -16.97], [37.25, -17.5], [37.04, -18.0], [37.25, -18.5], [37.03, -19.03], [36.68, -19.18], [36.53, -19.53], [36.0, -19.75], [35.47, -19.53], [35.32, -19.18], [34.97, -19.03], [34.82, -18.68], [34.75, -18.65], [34.5, -18.75], [33.97, 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{"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [31.009041123287602, 31.0651284882631, 30.967746944197074]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [33.818318450222876, 34.56986476755054, 33.954436406019624]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.66925839543537, 3.7963255730913437, 3.751906147930143]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.7926753787141365, 5.314044927266536, 4.756068945074958]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6207556661578795, 1.6795451717086614, 1.6973095297150367]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.036675785852461, 2.132109293007409, 2.0297680954375537]}}