{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:20:46.197995", "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": "2019-Oct-20_to_2019-Oct-26_39.5_6.5"}, "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": 2019100002325}, "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 20 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 26 2019"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 67615.22254747781}, "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": 6.5}, "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": 39.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "39.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 36.75}, "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": 4.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 7.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-10-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[39.5, 7.25], [40.03, 7.03], [40.25, 6.5], [40.03, 5.97], [39.5, 5.75], [38.97, 5.97], [38.75, 6.5], [38.97, 7.03], [39.5, 7.25]]]]}, "2019-10-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[39.5, 7.25], [40.03, 7.03], [40.25, 6.5], [40.03, 5.97], [39.5, 5.75], [38.97, 5.97], [38.75, 6.5], [38.97, 7.03], [39.5, 7.25]]]]}, "2019-10-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[36.97, 5.47], [36.75, 6.0], [36.97, 6.53], [37.5, 6.75], [38.03, 6.53], [38.25, 6.0], [38.07, 5.57], [38.32, 5.68], [38.46, 6.0], [38.25, 6.5], [38.47, 7.03], [38.82, 7.18], [38.97, 7.53], [39.5, 7.75], [40.03, 7.53], [40.18, 7.18], [40.53, 7.03], [40.75, 6.5], [40.53, 5.97], [40.13, 5.8], [40.25, 5.5], [40.15, 5.25], [40.25, 5.0], [40.03, 4.47], [39.5, 4.25], [39.0, 4.46], [38.5, 4.25], [37.97, 4.47], [37.75, 5.0], [37.93, 5.43], [37.5, 5.25], [36.97, 5.47]]]]}, "2019-10-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[38.5, 7.25], [38.75, 7.15], [38.82, 7.18], [38.97, 7.53], [39.5, 7.75], [40.03, 7.53], [40.18, 7.18], [40.53, 7.03], [40.75, 6.5], [40.65, 6.25], [40.75, 6.0], [40.53, 5.47], [40.18, 5.32], [40.15, 5.25], [40.25, 5.0], [40.03, 4.47], [39.5, 4.25], [39.0, 4.46], [38.5, 4.25], [37.97, 4.47], [37.75, 5.0], [37.93, 5.43], [37.5, 5.25], [36.97, 5.47], [36.75, 6.0], [36.97, 6.53], [37.5, 6.75], [37.8, 6.62], [37.97, 7.03], [38.5, 7.25]], [[38.32, 5.68], [38.38, 5.8], [38.2, 5.88], [38.07, 5.57], [38.32, 5.68]]]]}, "2019-10-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[36.47, 5.47], [36.25, 6.0], [36.47, 6.53], [37.0, 6.75], [37.25, 6.65], [37.5, 6.75], [37.8, 6.62], [37.85, 6.75], [37.75, 7.0], [37.97, 7.53], [38.5, 7.75], [38.75, 7.65], [39.0, 7.75], [39.25, 7.65], [39.5, 7.75], [39.75, 7.65], [40.0, 7.75], [40.25, 7.65], [40.5, 7.75], [41.03, 7.53], [41.25, 7.0], [41.03, 6.47], [40.68, 6.32], [40.65, 6.25], [40.75, 6.0], [40.53, 5.47], [40.18, 5.32], [40.15, 5.25], [40.25, 5.0], [40.03, 4.47], [39.5, 4.25], [39.0, 4.46], [38.5, 4.25], [38.25, 4.35], [38.0, 4.25], [37.47, 4.47], [37.25, 5.0], [37.35, 5.25], [37.32, 5.32], [37.25, 5.35], [37.0, 5.25], [36.47, 5.47]]]]}, "2019-10-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[36.47, 5.47], [36.25, 6.0], [36.47, 6.53], [37.0, 6.75], [37.25, 6.65], [37.5, 6.75], [37.8, 6.62], [37.85, 6.75], [37.75, 7.0], [37.97, 7.53], [38.5, 7.75], [38.75, 7.65], [39.0, 7.75], [39.25, 7.65], [39.5, 7.75], [39.75, 7.65], [40.0, 7.75], [40.25, 7.65], [40.5, 7.75], [41.03, 7.53], [41.25, 7.0], [41.03, 6.47], [40.68, 6.32], [40.65, 6.25], [40.75, 6.0], [40.53, 5.47], [40.18, 5.32], [40.15, 5.25], [40.25, 5.0], [40.03, 4.47], [39.5, 4.25], [39.0, 4.46], [38.5, 4.25], [38.25, 4.35], [38.0, 4.25], [37.47, 4.47], [37.25, 5.0], [37.35, 5.25], [37.32, 5.32], [37.25, 5.35], [37.0, 5.25], [36.47, 5.47]]]]}, "2019-10-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[36.47, 5.47], [36.25, 6.0], [36.47, 6.53], [37.0, 6.75], [37.25, 6.65], [37.5, 6.75], [37.8, 6.62], [37.85, 6.75], 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19.325305065662178, 18.92110342188812]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [17.043511233806328, 16.550165388182165, 23.18728075992061, 23.324486530975207, 23.673710542288347, 23.37275024122698, 22.6356317573821]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.5273041681455197, 1.0365518857115035, 1.2406572592838454, 1.2893945291293107, 1.6114680763469742, 1.5830546779891315, 1.5093078786842598]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.5273041681455197, 1.0365518857115035, 1.7221744838466293, 1.7146977803813002, 2.2792196005657956, 2.3008676748230528, 2.1727238348942706]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [2.064892426300001, 1.3793756892765432, 1.5782636692611858, 1.6446578314542892, 2.0683318129288035, 2.0557076558293037, 1.920065634800654]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.064892426300001, 1.3793756892765432, 2.2153321641512616, 2.153405976534581, 2.8847514661328937, 2.7736827619732423, 2.6733396551706385]}}