{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:12:48.913036", "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": "2018-May-14_to_2018-May-18_38.5_-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": 2018050002098}, "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 14 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 18 2018"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 58680.16988286279}, "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": ["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": -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": 38.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "38.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 37.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 40.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -20.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -16.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-05-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[37.47, -18.03], [37.25, -17.5], [37.47, -16.97], [38.0, -16.75], [38.25, -16.85], [38.32, -16.82], [38.47, -16.47], [39.0, -16.25], [39.53, -16.47], [39.75, -17.0], [39.65, -17.25], [39.75, -17.5], [39.53, -18.03], [39.0, -18.25], [38.75, -18.15], [38.5, -18.25], [38.25, -18.15], [38.0, -18.25], [37.47, -18.03]]]]}, "2018-05-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[37.47, -18.03], [37.25, -17.5], [37.47, -16.97], [38.0, -16.75], [38.25, -16.85], [38.32, -16.82], [38.47, -16.47], [39.0, -16.25], [39.53, -16.47], [39.75, -17.0], [39.65, -17.25], [39.75, -17.5], [39.53, -18.03], [39.0, -18.25], [38.75, -18.15], [38.5, -18.25], [38.25, -18.15], [38.0, -18.25], [37.47, -18.03]]]]}, "2018-05-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[37.47, -16.97], [38.0, -16.75], [38.25, -16.85], [38.32, -16.82], [38.47, -16.47], [39.0, -16.25], [39.25, -16.35], [39.5, -16.25], [40.03, -16.47], [40.25, -17.0], [40.15, -17.25], [40.25, -17.5], [40.15, -17.75], [40.25, -18.0], [40.15, -18.25], [40.18, -18.32], [40.25, -18.35], [40.5, -18.25], [41.03, -18.47], [41.25, -19.0], [41.15, -19.25], [41.25, -19.5], [41.03, -20.03], [40.5, -20.25], [40.2, -20.12], [40.03, -20.53], [39.5, -20.75], [38.97, -20.53], [38.75, -20.0], [38.85, -19.75], [38.82, -19.68], [38.47, -19.53], [38.32, -19.18], [37.97, -19.03], [37.82, -18.68], [37.47, -18.53], [37.25, -18.0], [37.35, -17.75], [37.25, -17.5], [37.47, -16.97]]]]}, "2018-05-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[37.47, -16.97], [38.0, -16.75], [38.25, -16.85], [38.32, -16.82], [38.47, -16.47], [39.0, -16.25], [39.25, -16.35], [39.5, -16.25], [40.03, -16.47], [40.25, -17.0], [40.15, -17.25], [40.25, -17.5], [40.15, -17.75], [40.25, -18.0], [40.15, -18.25], [40.18, -18.32], [40.25, -18.35], [40.5, -18.25], [41.03, -18.47], [41.25, -19.0], [41.15, -19.25], [41.25, -19.5], [41.03, -20.03], [40.5, -20.25], [40.2, -20.12], [40.03, -20.53], [39.5, -20.75], [38.97, -20.53], [38.75, -20.0], [38.85, -19.75], [38.82, -19.68], [38.47, -19.53], [38.32, -19.18], [37.97, -19.03], [37.82, -18.68], [37.47, -18.53], [37.25, -18.0], [37.35, -17.75], [37.25, -17.5], [37.47, -16.97]]]]}, "2018-05-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[37.47, -16.97], [38.0, -16.75], [38.25, -16.85], [38.5, -16.75], [38.8, -16.87], [38.97, -16.47], [39.5, -16.25], [40.03, -16.47], [40.25, -17.0], [40.15, -17.25], [40.25, -17.5], [40.15, -17.75], [40.25, -18.0], [40.15, -18.25], [40.18, -18.32], [40.25, -18.35], [40.5, -18.25], [41.03, -18.47], [41.25, -19.0], [41.15, -19.25], [41.25, -19.5], [41.03, -20.03], [40.5, -20.25], [40.2, -20.12], [40.03, -20.53], [39.5, -20.75], [38.97, -20.53], [38.75, -20.0], [38.85, -19.75], [38.82, -19.68], [38.47, -19.53], [38.32, -19.18], [37.97, -19.03], [37.82, -18.68], [37.47, -18.53], [37.25, -18.0], [37.35, -17.75], [37.25, -17.5], [37.47, -16.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.411897643646796}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.0555571542629758}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.29772408612382, 26.194986917385677, 26.225991140562996, 26.539214504060453, 26.1778192173702]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.474458000845175, 26.309180884783643, 26.499812565576804, 26.819264333019305, 26.559261933193056]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.0831274661633898, 1.0351704622021174, 0.9321882867617489, 1.2918248049781424, 0.9285177018386972]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.2235303809005131, 1.1557777002412308, 1.1745056019007052, 1.411897643646796, 1.115165249787708]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.375297908088024, 1.3267461121069997, 1.3430211212930483, 1.9289835512596352, 1.399998414087759]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5030533768866265, 1.432492373318877, 1.5282198835174612, 2.2459479924514616, 1.6380843304643926]}}