{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:20:04.197496", "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": "2020-May-12_to_2020-May-15_40.5_7.0"}, "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": 2020050001700}, "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 12 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 15 2020"}, "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": 70415.99876057412}, "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": ["Ethiopia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Eastern-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": 7.0}, "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": 40.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "40.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 38.75}, "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": 4.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 10.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-05-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[38.75, 5.5], [38.85, 5.75], [38.75, 6.0], [38.96, 6.5], [38.82, 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[38.97, 11.03], [39.5, 11.25], [39.75, 11.15], [40.0, 11.25], [40.53, 11.03], [40.75, 10.5], [40.65, 10.25], [40.75, 10.0], [40.65, 9.75], [40.75, 9.5], [40.65, 9.25], [40.68, 9.18], [41.03, 9.03], [41.25, 8.5], [41.15, 8.25], [41.25, 8.0], [41.04, 7.5], [41.25, 7.0], [41.15, 6.75], [41.25, 6.5], [41.03, 5.97], [40.68, 5.82], [40.53, 5.47], [40.18, 5.32], [40.15, 5.25], [40.25, 5.0], [40.03, 4.47], [39.68, 4.32], [39.53, 3.97], [39.0, 3.75], [38.47, 3.97], [38.25, 4.5], [38.47, 5.03], [38.82, 5.18], [38.85, 5.25], [38.75, 5.5]]]]}, "2020-05-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[38.75, 5.5], [38.85, 5.75], [38.75, 6.0], [38.96, 6.5], [38.82, 6.82], [38.47, 6.97], [38.25, 7.5], [38.47, 8.03], [38.82, 8.18], [38.85, 8.25], [38.75, 8.5], [38.85, 8.75], [38.75, 9.0], [38.96, 9.5], [38.75, 10.0], [38.85, 10.25], [38.75, 10.5], [38.97, 11.03], [39.5, 11.25], [39.75, 11.15], [40.0, 11.25], [40.53, 11.03], [40.75, 10.5], [40.65, 10.25], [40.75, 10.0], [40.65, 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[38.75, 8.5], [38.85, 8.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.891853356394563}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.764505052509237}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [22.404730183106892, 22.88256008475429, 22.430105578781422, 22.993005134991165]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [30.812166822618963, 31.70083190577401, 31.50749069592706, 31.085740720762885]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.498607475527315, 2.1105447644098945, 1.6546657419458681, 1.6738705910440916]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.045687642486314, 2.891853356394563, 2.660072627829095, 2.2765904235048993]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.599184593862418, 2.112890998675149, 1.5621570538198133, 1.3901552216584823]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.291404914476156, 2.9134874434207516, 2.0953293742331858, 1.6069428775761374]}}