{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:21:51.819804", "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-Jul-13_to_2022-Jul-17_38.0_-4.5"}, "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": 2022070002190}, "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": "July 13 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 17 2022"}, "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": 92242.84655820346}, "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"]}, "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": ["Indian Ocean"]}, "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": -4.5}, "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": 38.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "38.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 36.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 39.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -7.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -4.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[36.0, -3.25], [36.53, -3.47], [36.68, -3.82], [36.75, -3.85], [36.82, -3.82], [36.97, -3.47], [37.5, -3.25], [38.03, -3.47], [38.18, -3.82], [38.53, -3.97], [38.68, -4.32], [38.75, -4.35], [39.0, -4.25], [39.53, -4.47], [39.75, -5.0], [39.53, -5.53], [39.18, -5.68], [39.15, -5.75], [39.25, -6.0], [39.15, -6.25], [39.25, -6.5], [39.15, -6.75], [39.25, -7.0], [39.15, -7.25], [39.25, -7.5], [39.03, -8.03], [38.5, -8.25], [38.0, -8.04], [37.5, -8.25], [37.25, -8.15], [37.0, -8.25], [36.75, -8.15], [36.5, -8.25], [35.97, -8.03], [35.75, -7.5], [35.97, -6.97], [36.32, -6.82], [36.46, -6.5], [36.25, -6.0], [36.46, -5.5], [36.32, -5.18], [36.25, -5.15], [36.0, -5.25], [35.47, -5.03], [35.25, -4.5], [35.35, -4.25], [35.25, -4.0], [35.47, -3.47], [36.0, -3.25]]]]}}, "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": {"2022-07-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[35.47, -4.53], [35.25, 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22.211038710123603, 22.016947580768544, 20.91995025277822]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.357527721291547, 24.939452870496723, 25.732177776172023, 25.2477931811506, 21.62065017195357]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.5960781745551524, 1.3765749471297133, 1.6376902027069624, 1.3654807609069795, 1.2317573886834907]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.1479824508446654, 2.1169158576669815, 2.2684317978544186, 2.007441619241831, 1.2558796302092219]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [2.1176099814901743, 1.7948344567283707, 2.1320636837327696, 1.7695484965469659, 1.5202232078509588]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.9408319948685397, 2.5454678150137524, 2.695573974352132, 2.5014766788291047, 1.5569143170938835]}}