{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:45:06.354538", "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": "2010-Jun-28_to_2010-Jun-30_7.5_9.5"}, "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": 2010060002806}, "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": "June 28 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 30 2010"}, "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": 198569.05865001233}, "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": ["Nigeria"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Western-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": 9.5}, "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": 7.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "7.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 4.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 9.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 5.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 11.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-06-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[4.25, 7.0], [4.47, 7.53], [4.82, 7.68], [4.97, 8.03], [5.38, 8.2], 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"2010-06-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[4.25, 7.0], [4.47, 7.53], [4.82, 7.68], [4.97, 8.03], [5.38, 8.2], [5.25, 8.5], [5.35, 8.75], [5.32, 8.82], [4.97, 8.97], [4.82, 9.32], [4.47, 9.47], [4.25, 10.0], [4.47, 10.53], [4.82, 10.68], [4.97, 11.03], [5.5, 11.25], [5.75, 11.15], [5.82, 11.18], [5.97, 11.53], [6.5, 11.75], [6.75, 11.65], [7.0, 11.75], [7.25, 11.65], [7.5, 11.75], [8.03, 11.53], [8.18, 11.18], [8.25, 11.15], [8.5, 11.25], [8.75, 11.15], [9.0, 11.25], [9.53, 11.03], [9.75, 10.5], [9.65, 10.25], [9.75, 10.0], [9.65, 9.75], [9.75, 9.5], [9.65, 9.25], [9.68, 9.18], [10.03, 9.03], [10.25, 8.5], [10.03, 7.97], [9.5, 7.75], [9.07, 7.93], [9.25, 7.5], [9.15, 7.25], [9.18, 7.18], [9.53, 7.03], [9.75, 6.5], [9.53, 5.97], [9.18, 5.82], [9.03, 5.47], [8.5, 5.25], [8.25, 5.35], [8.0, 5.25], [7.75, 5.35], [7.5, 5.25], [6.97, 5.47], [6.82, 5.82], [6.75, 5.85], [6.5, 5.75], [6.25, 5.85], [6.0, 5.75], [5.75, 5.85], [5.5, 5.75], [4.97, 5.97], [4.82, 6.32], [4.47, 6.47], [4.25, 7.0]], [[8.82, 8.32], [8.75, 8.35], [8.68, 8.32], [8.63, 8.2], [8.93, 8.07], [8.82, 8.32]]]]}, "2010-06-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[4.25, 7.0], [4.47, 7.53], [4.82, 7.68], [4.97, 8.03], [5.38, 8.2], [5.25, 8.5], [5.35, 8.75], [5.32, 8.82], [4.97, 8.97], [4.82, 9.32], [4.47, 9.47], [4.25, 10.0], [4.47, 10.53], [4.82, 10.68], [4.97, 11.03], [5.5, 11.25], [5.75, 11.15], [5.82, 11.18], [5.97, 11.53], [6.5, 11.75], [6.75, 11.65], [7.0, 11.75], [7.25, 11.65], [7.5, 11.75], [8.03, 11.53], [8.18, 11.18], [8.25, 11.15], [8.5, 11.25], [8.75, 11.15], [9.0, 11.25], [9.53, 11.03], [9.75, 10.5], [9.65, 10.25], [9.75, 10.0], [9.65, 9.75], [9.75, 9.5], [9.65, 9.25], [9.68, 9.18], [10.03, 9.03], [10.25, 8.5], [10.03, 7.97], [9.5, 7.75], [9.07, 7.93], [9.25, 7.5], [9.15, 7.25], [9.18, 7.18], [9.53, 7.03], [9.75, 6.5], [9.53, 5.97], [9.18, 5.82], [9.03, 5.47], [8.5, 5.25], [8.25, 5.35], [8.0, 5.25], [7.75, 5.35], [7.5, 5.25], [6.97, 5.47], [6.82, 5.82], [6.75, 5.85], [6.5, 5.75], [6.25, 5.85], [6.0, 5.75], [5.75, 5.85], [5.5, 5.75], [4.97, 5.97], [4.82, 6.32], [4.47, 6.47], [4.25, 7.0]], [[8.82, 8.32], [8.75, 8.35], [8.68, 8.32], [8.63, 8.2], [8.93, 8.07], [8.82, 8.32]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.267460589370444}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.9920337345960457}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.51397184272855, 27.69597680137855, 27.261121874467847]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.813011252715057, 30.074822814024685, 29.720772119964295]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.3155928319070436, 2.5388989662730332, 2.1216094056080603]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.8470019010326268, 3.267460589370444, 2.7075925534651333]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5740121724346323, 3.0164669472313768, 2.585551501146185]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.2950276181584135, 4.10208192778806, 3.234454407929928]}}