{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:36:33.911272", "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": "2023-Sep-16_to_2023-Sep-18_31.0_-17.5"}, "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": 2023090001473}, "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": "September 16 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 18 2023"}, "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": 50415.10105862291}, "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", "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": []}, "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": -17.5}, "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": 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": 29.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 33.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -17.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -14.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-09-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[29.25, -17.0], [29.47, -16.47], [30.0, -16.25], [30.25, -16.35], [30.5, -16.25], [30.75, -16.35], [30.82, -16.32], [30.97, -15.97], [31.38, -15.8], [31.25, -15.5], [31.47, -14.97], [31.88, -14.8], [31.75, -14.5], [31.97, -13.97], [32.5, -13.75], [32.75, -13.85], [33.0, -13.75], [33.53, -13.97], [33.75, -14.5], [33.65, -14.75], [33.75, -15.0], [33.53, -15.53], [33.18, -15.68], [33.15, -15.75], [33.25, -16.0], [33.15, -16.25], [33.25, -16.5], [33.03, -17.03], [32.68, -17.18], [32.53, -17.53], [32.18, -17.68], [32.03, -18.03], [31.5, -18.25], [31.25, -18.15], [31.0, -18.25], [30.75, -18.15], [30.5, -18.25], [29.97, -18.03], [29.82, -17.68], [29.47, -17.53], [29.25, -17.0]]]]}, "2023-09-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[29.25, -17.0], [29.47, -16.47], [30.0, -16.25], [30.25, -16.35], [30.5, -16.25], [30.75, -16.35], [30.82, -16.32], [30.97, -15.97], [31.38, -15.8], [31.25, -15.5], [31.47, -14.97], [31.88, -14.8], [31.75, -14.5], [31.97, -13.97], [32.5, -13.75], [32.75, -13.85], [33.0, -13.75], [33.53, -13.97], [33.75, -14.5], [33.65, -14.75], [33.75, -15.0], [33.53, -15.53], [33.18, -15.68], [33.15, -15.75], [33.25, -16.0], [33.15, -16.25], [33.25, -16.5], [33.03, -17.03], [32.68, -17.18], [32.53, -17.53], [32.18, -17.68], [32.03, -18.03], [31.5, -18.25], [31.25, -18.15], [31.0, -18.25], [30.75, -18.15], [30.5, -18.25], [29.97, -18.03], [29.82, -17.68], [29.47, -17.53], [29.25, -17.0]]]]}, "2023-09-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[29.25, -17.0], [29.47, -16.47], [30.0, -16.25], [30.25, -16.35], [30.5, -16.25], [30.75, -16.35], [30.82, -16.32], [30.97, -15.97], [31.38, -15.8], [31.25, -15.5], [31.47, -14.97], [31.88, -14.8], [31.75, -14.5], [31.97, -13.97], [32.5, -13.75], [32.75, -13.85], [33.0, -13.75], [33.53, -13.97], [33.75, -14.5], [33.65, -14.75], [33.75, -15.0], [33.53, -15.53], [33.18, -15.68], [33.15, -15.75], [33.25, -16.0], [33.15, -16.25], [33.25, -16.5], [33.03, -17.03], [32.68, -17.18], [32.53, -17.53], [32.18, -17.68], [32.03, -18.03], [31.5, -18.25], [31.25, -18.15], [31.0, -18.25], [30.75, -18.15], [30.5, -18.25], [29.97, -18.03], [29.82, -17.68], [29.47, -17.53], [29.25, -17.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.169328758283484}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.3983396973024926}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.222274497772673, 27.77897709289749, 26.484723538084324]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.357198161330928, 31.244253286294395, 29.520804263738967]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.9258739897749875, 4.3465059661839875, 2.9226391359485033]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.576952411058528, 5.169328758283484, 3.2975894301052335]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4808318136076668, 2.2064617924225205, 1.4867994408090528]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9793337668653521, 2.743731833294738, 1.8770273268852178]}}