{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:09:15.944561", "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": "2017-Oct-15_to_2017-Oct-18_31.5_-1.0"}, "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": 2017100002004}, "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 15 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 18 2017"}, "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": 80354.25532467721}, "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": ["Rwanda", "Tanzania", "Uganda"]}, "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": -1.0}, "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": 31.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "31.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 29.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 32.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -2.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 1.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-10-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[31.5, -0.25], [32.03, -0.47], [32.25, -1.0], [32.03, -1.53], [31.5, -1.75], [30.97, -1.53], [30.75, -1.0], [30.97, -0.47], [31.5, -0.25]]]]}, "2017-10-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[29.25, 0.0], [29.47, 0.53], [29.82, 0.68], [29.85, 0.75], [29.75, 1.0], [29.97, 1.53], [30.5, 1.75], [30.75, 1.65], [31.0, 1.75], [31.53, 1.53], [31.68, 1.18], [31.75, 1.15], [32.0, 1.25], [32.25, 1.15], [32.5, 1.25], [33.03, 1.03], [33.25, 0.5], [33.03, -0.03], [32.68, -0.18], [32.65, -0.25], [32.75, -0.5], [32.65, -0.75], [32.75, -1.0], [32.53, -1.53], [32.18, -1.68], [32.15, -1.75], [32.25, -2.0], [32.15, -2.25], [32.25, -2.5], [32.03, -3.03], [31.5, -3.25], [30.97, -3.03], [30.82, -2.68], [30.47, -2.53], [30.32, -2.18], [29.97, -2.03], [29.75, -1.5], [29.85, -1.25], [29.75, -1.0], [29.85, -0.75], [29.82, -0.68], [29.47, -0.53], [29.25, 0.0]]]]}, "2017-10-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[29.25, 0.0], [29.47, 0.53], [29.82, 0.68], [29.85, 0.75], [29.75, 1.0], [29.97, 1.53], [30.5, 1.75], [30.75, 1.65], [31.0, 1.75], [31.53, 1.53], [31.68, 1.18], [31.75, 1.15], [32.0, 1.25], [32.25, 1.15], [32.5, 1.25], [33.03, 1.03], [33.25, 0.5], [33.03, -0.03], [32.68, -0.18], [32.65, -0.25], [32.75, -0.5], [32.65, -0.75], [32.75, -1.0], [32.53, -1.53], [32.18, -1.68], [32.15, -1.75], [32.25, -2.0], [32.15, -2.25], [32.25, -2.5], [32.03, -3.03], [31.5, -3.25], [30.97, -3.03], [30.82, -2.68], [30.47, -2.53], [30.32, -2.18], [29.97, -2.03], [29.75, -1.5], [29.85, -1.25], [29.75, -1.0], [29.85, -0.75], [29.82, -0.68], [29.47, -0.53], [29.25, 0.0]]]]}, "2017-10-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[29.25, 0.0], [29.47, 0.53], [29.82, 0.68], [29.85, 0.75], [29.75, 1.0], [29.97, 1.53], [30.5, 1.75], [30.75, 1.65], [31.0, 1.75], [31.53, 1.53], [31.68, 1.18], [31.75, 1.15], [32.0, 1.25], [32.25, 1.15], [32.5, 1.25], [33.03, 1.03], [33.25, 0.5], [33.03, -0.03], [32.68, -0.18], [32.65, -0.25], [32.75, -0.5], [32.65, -0.75], [32.75, -1.0], [32.53, -1.53], [32.18, -1.68], [32.15, -1.75], [32.25, -2.0], [32.15, -2.25], [32.25, -2.5], [32.03, -3.03], [31.5, -3.25], [30.97, -3.03], [30.82, -2.68], [30.47, -2.53], [30.32, -2.18], [29.97, -2.03], [29.75, -1.5], [29.85, -1.25], [29.75, -1.0], [29.85, -0.75], [29.82, -0.68], [29.47, -0.53], [29.25, 0.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.2408567584305956}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.9746923394427187}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [21.925375558444728, 23.194442939149667, 23.57680059829022, 22.871843187231264]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [21.925375558444728, 24.71177143086669, 25.023106105222894, 24.438805963994525]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.1153988752319037, 1.9385618918952332, 2.35919101684918, 1.6593738582072364]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.1153988752319037, 3.1708015184633496, 3.2408567584305956, 2.314496418251963]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2630181415459623, 1.979461192980641, 2.5161764041707757, 1.8839970659463554]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.2630181415459623, 2.7852043373747275, 3.169258730783327, 2.5225980676053457]}}