{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:03:34.153193", "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": "2015-Jul-30_to_2015-Aug-04_29.5_-6.0"}, "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": 2015070003160}, "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 30 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 04 2015"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 64611.00970989246}, "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": ["Burundi", "Congo DRC", "Tanzania"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.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": -6.0}, "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": 29.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "29.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 28.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 31.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -7.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -3.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-07-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[28.25, -3.5], [28.47, -2.97], [29.0, -2.75], [29.53, -2.97], [29.68, -3.32], [30.0, -3.46], [30.5, -3.25], [31.03, -3.47], [31.25, -4.0], [31.15, -4.25], [31.18, -4.32], [31.53, -4.47], [31.75, -5.0], [31.53, -5.53], [31.0, -5.75], [30.47, -5.53], [30.32, -5.18], [30.07, -5.07], [30.25, -5.5], [30.15, -5.75], [30.25, -6.0], [30.13, -6.3], [30.53, -6.47], [30.68, -6.82], [31.03, -6.97], [31.25, -7.5], [31.03, -8.03], [30.5, -8.25], [29.97, -8.03], [29.82, -7.68], [29.47, -7.53], [29.25, -7.0], [29.38, -6.7], [28.97, -6.53], [28.75, -6.0], [28.85, -5.75], [28.75, -5.5], [28.96, -5.0], [28.75, -4.5], [28.85, -4.25], [28.82, -4.18], [28.47, -4.03], [28.25, -3.5]]]]}, "2015-07-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[28.35, -5.75], [28.25, -5.5], [28.47, -4.97], [28.88, -4.8], [28.75, -4.5], [28.85, -4.25], [28.82, -4.18], [28.47, -4.03], [28.25, -3.5], [28.47, -2.97], [29.0, -2.75], [29.53, -2.97], [29.68, -3.32], [30.0, -3.46], [30.5, -3.25], [31.03, -3.47], [31.25, -4.0], [31.15, -4.25], [31.18, -4.32], [31.53, -4.47], [31.75, -5.0], [31.53, -5.53], [31.18, -5.68], [31.04, -6.0], [31.25, -6.5], [31.04, -7.0], [31.25, -7.5], [31.03, -8.03], [30.5, -8.25], [29.97, -8.03], [29.82, -7.68], [29.75, -7.65], [29.5, -7.75], [28.97, -7.53], [28.82, -7.18], [28.47, -7.03], [28.25, -6.5], [28.35, -6.25], [28.25, -6.0], [28.35, -5.75]]]]}, "2015-08-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[28.35, -5.75], [28.25, -5.5], [28.47, -4.97], [28.88, -4.8], [28.75, -4.5], [28.85, -4.25], [28.82, -4.18], [28.75, -4.15], [28.5, -4.25], [27.97, -4.03], [27.75, -3.5], [27.97, -2.97], [28.5, -2.75], [28.75, -2.85], [29.0, -2.75], [29.53, -2.97], [29.68, -3.32], [30.0, -3.46], [30.5, -3.25], [31.03, -3.47], [31.25, -4.0], [31.15, -4.25], [31.18, -4.32], [31.53, -4.47], [31.75, -5.0], [31.53, -5.53], [31.18, -5.68], [31.04, -6.0], [31.25, -6.5], [31.04, -7.0], [31.25, -7.5], [31.03, -8.03], [30.5, -8.25], [29.97, -8.03], [29.82, -7.68], [29.75, -7.65], [29.5, -7.75], [28.97, -7.53], [28.82, -7.18], [28.47, -7.03], [28.25, -6.5], [28.35, -6.25], [28.25, -6.0], [28.35, -5.75]]]]}, "2015-08-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[28.35, -5.75], [28.25, -5.5], [28.47, -4.97], [28.88, -4.8], [28.75, -4.5], [28.85, -4.25], [28.8, -4.12], [28.5, -4.25], [27.97, -4.03], [27.75, -3.5], [27.97, -2.97], [28.5, -2.75], [29.03, -2.97], [29.2, -3.37], [29.5, -3.25], [30.03, -3.47], [30.18, -3.82], [30.53, -3.97], [30.68, -4.32], [30.75, -4.35], [31.0, -4.25], [31.53, -4.47], [31.75, -5.0], [31.53, -5.53], [31.18, -5.68], [31.04, -6.0], [31.25, -6.5], [31.03, -7.03], [30.68, -7.18], [30.53, -7.53], [30.0, -7.75], [29.75, -7.65], [29.5, -7.75], [28.97, -7.53], [28.82, -7.18], [28.47, -7.03], [28.25, -6.5], [28.35, -6.25], [28.25, -6.0], [28.35, -5.75]]]]}, "2015-08-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[28.5, -2.75], [29.03, -2.97], [29.25, -3.5], [29.03, -4.03], [28.5, -4.25], [27.97, -4.03], [27.75, -3.5], [27.97, -2.97], [28.5, -2.75]]]]}, "2015-08-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[28.5, -2.75], [29.03, -2.97], [29.25, -3.5], [29.03, -4.03], [28.5, -4.25], [27.97, -4.03], [27.75, -3.5], [27.97, -2.97], [28.5, -2.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.04400898625164}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.3556748886711973}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [23.67181611501576, 23.493161880381194, 23.71879433804054, 23.316607213084012, 20.814389769941045, 20.26359971050698]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.113096645617304, 26.966878633373597, 26.913488461563816, 26.113124276264045, 20.814389769941045, 20.26359971050698]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.1688778418129118, 1.328142972222011, 1.6611324921894055, 1.0753535372297272, 1.8728336179118514, 1.3276569061782766]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.6713613293504181, 1.7403779087836142, 2.04400898625164, 1.4086902827436347, 1.8728336179118514, 1.3276569061782766]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.527337343006295, 1.804924700383515, 2.261408566246805, 1.455679207726922, 1.936362322763846, 1.3661626848221715]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.990172988459692, 2.9004053973473227, 3.0749579752437155, 1.8187354380123415, 1.936362322763846, 1.3661626848221715]}}