{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:55:43.727702", "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-Oct-12_to_2023-Oct-15_31.5_-1.0"}, "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": 2023100001362}, "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": "October 12 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 15 2023"}, "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": 80351.31333885624}, "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": ["Tanzania, United Republic of", "Uganda"]}, "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": -1.0}, "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": 31.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "31.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 31.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 34.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -2.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 1.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[30.85, -0.25], [30.82, -0.18], [30.47, -0.03], [30.25, 0.5], [30.47, 1.03], [31.0, 1.25], [31.25, 1.15], [31.32, 1.18], [31.47, 1.53], [32.0, 1.75], [32.25, 1.65], [32.5, 1.75], [32.75, 1.65], [33.0, 1.75], [33.25, 1.65], [33.5, 1.75], [34.03, 1.53], [34.18, 1.18], [34.53, 1.03], [34.75, 0.5], [34.53, -0.03], [34.0, -0.25], [33.75, -0.15], [33.68, -0.18], [33.53, -0.53], [33.0, -0.75], [32.75, -0.65], [32.68, -0.68], [32.54, -1.0], [32.75, -1.5], [32.65, -1.75], [32.75, -2.0], [32.65, -2.25], [32.75, -2.5], [32.53, -3.03], [32.0, -3.25], [31.75, -3.15], [31.5, -3.25], [30.97, -3.03], [30.75, -2.5], [30.85, -2.25], [30.82, -2.18], [30.47, -2.03], [30.25, -1.5], [30.35, -1.25], [30.25, -1.0], [30.47, -0.47], [30.82, -0.32], [30.85, -0.25]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.Eastern-Africa"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-10-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[30.25, -1.0], [30.47, -0.47], [30.82, -0.32], [30.85, -0.25], [30.82, -0.18], [30.47, -0.03], [30.25, 0.5], [30.47, 1.03], [31.0, 1.25], [31.53, 1.03], [31.68, 0.68], [32.03, 0.53], [32.25, 0.0], [32.15, -0.25], [32.25, -0.5], [32.15, -0.75], [32.25, -1.0], [32.15, -1.25], [32.25, -1.5], [32.03, -2.03], [31.5, -2.25], [31.25, -2.15], [31.0, -2.25], [30.47, -2.03], [30.25, -1.5], [30.35, -1.25], [30.25, -1.0]]]]}, "2023-10-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[30.25, -1.0], [30.47, -0.47], [30.82, -0.32], [30.85, -0.25], [30.82, -0.18], [30.47, -0.03], [30.25, 0.5], [30.47, 1.03], [31.0, 1.25], [31.25, 1.15], [31.32, 1.18], [31.47, 1.53], [32.0, 1.75], [32.25, 1.65], [32.5, 1.75], [32.75, 1.65], [33.0, 1.75], [33.25, 1.65], [33.5, 1.75], [34.03, 1.53], [34.18, 1.18], [34.53, 1.03], [34.75, 0.5], [34.53, -0.03], [34.0, -0.25], [33.75, -0.15], [33.68, -0.18], [33.53, -0.53], [33.0, -0.75], [32.75, -0.65], [32.68, -0.68], [32.54, -1.0], [32.75, -1.5], [32.65, -1.75], [32.75, -2.0], [32.65, -2.25], [32.75, -2.5], [32.53, -3.03], [32.0, -3.25], [31.75, -3.15], [31.5, -3.25], [30.97, -3.03], [30.75, -2.5], [30.85, -2.25], [30.82, -2.18], [30.47, -2.03], [30.25, -1.5], [30.35, -1.25], [30.25, -1.0]]]]}, "2023-10-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[30.25, -1.0], [30.47, -0.47], [30.82, -0.32], [30.85, -0.25], [30.82, -0.18], [30.47, -0.03], [30.25, 0.5], [30.47, 1.03], [31.0, 1.25], [31.25, 1.15], [31.32, 1.18], [31.47, 1.53], [32.0, 1.75], [32.25, 1.65], [32.5, 1.75], [32.75, 1.65], [33.0, 1.75], [33.25, 1.65], [33.5, 1.75], [34.03, 1.53], [34.18, 1.18], [34.53, 1.03], [34.75, 0.5], [34.53, -0.03], [34.0, -0.25], [33.75, -0.15], [33.68, -0.18], [33.53, -0.53], [33.0, -0.75], [32.75, -0.65], [32.68, -0.68], [32.54, -1.0], [32.75, -1.5], [32.65, -1.75], [32.75, -2.0], [32.65, -2.25], [32.75, -2.5], [32.53, -3.03], [32.0, -3.25], [31.75, -3.15], [31.5, -3.25], [30.97, -3.03], [30.75, -2.5], [30.85, -2.25], [30.82, -2.18], [30.47, -2.03], [30.25, -1.5], [30.35, -1.25], [30.25, -1.0]]]]}, "2023-10-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[30.25, -1.0], [30.47, -0.47], [30.82, -0.32], [30.85, -0.25], [30.75, 0.0], [30.85, 0.25], [30.75, 0.5], [30.97, 1.03], [31.32, 1.18], [31.47, 1.53], [32.0, 1.75], [32.25, 1.65], [32.5, 1.75], [32.75, 1.65], [33.0, 1.75], [33.25, 1.65], [33.5, 1.75], [34.03, 1.53], [34.18, 1.18], [34.53, 1.03], [34.75, 0.5], [34.53, -0.03], [34.0, -0.25], [33.75, -0.15], [33.68, -0.18], [33.53, -0.53], [33.0, -0.75], [32.75, -0.65], [32.68, -0.68], [32.54, -1.0], [32.75, -1.5], [32.65, -1.75], [32.75, -2.0], [32.65, -2.25], [32.75, -2.5], [32.53, -3.03], [32.0, -3.25], [31.75, -3.15], [31.5, -3.25], [30.97, -3.03], [30.75, -2.5], [30.85, -2.25], [30.82, -2.18], [30.47, -2.03], [30.25, -1.5], [30.35, -1.25], [30.25, -1.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.683574402666693}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.0871813415469793}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [22.62554177017404, 23.91017528675718, 24.48070782718196, 23.441542574761513]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [23.149694180076892, 24.950964433309593, 25.921728156713698, 24.52413803384343]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.6743748557493632, 2.101086955350074, 2.656966225867275, 1.5957290395219865]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.9203987938772684, 3.187006390048282, 3.683574402666693, 2.353666572946281]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.768465152307093, 2.2754699046231033, 2.834904614355217, 1.7133807717200926]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.2052247962654508, 3.302084456345549, 3.6085024076097425, 2.665166378407363]}}