{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:08:23.848627", "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-Jun-25_to_2017-Jun-28_18.0_-8.5"}, "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": 2017060002718}, "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 25 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 28 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": 61289.70872667826}, "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": ["Angola", "Congo DRC"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Central-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": -8.5}, "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": 18.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "18.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 16.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 18.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -9.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -4.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-06-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[16.25, -7.0], [16.47, -6.47], [17.0, -6.25], [17.25, -6.35], [17.5, -6.25], [18.03, -6.47], [18.25, -7.0], [18.15, -7.25], [18.18, -7.32], [18.53, -7.47], [18.68, -7.82], [19.03, -7.97], [19.25, -8.5], [19.03, -9.03], [18.68, -9.18], [18.53, -9.53], [18.0, -9.75], [17.7, -9.62], [17.53, -10.03], [17.0, -10.25], [16.47, -10.03], [16.25, -9.5], [16.47, -8.97], [17.0, -8.75], [17.3, -8.87], [17.35, -8.75], [17.32, -8.68], [16.97, -8.53], [16.75, -8.0], [16.85, -7.75], [16.82, -7.68], [16.47, -7.53], [16.25, -7.0]]]]}, "2017-06-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[16.35, -7.25], [16.25, -7.0], [16.47, -6.47], [16.82, -6.32], [16.85, -6.25], [16.75, -6.0], [16.97, -5.47], [17.32, -5.32], [17.47, -4.97], [17.82, -4.82], [17.97, -4.47], [18.5, -4.25], [19.03, -4.47], [19.25, -5.0], [19.15, -5.25], [19.25, -5.5], [19.03, -6.03], [18.68, -6.18], [18.65, -6.25], [18.75, -6.5], [18.53, -7.03], [18.18, -7.18], [18.15, -7.25], [18.18, -7.32], [18.53, -7.47], [18.68, -7.82], [19.03, -7.97], [19.25, -8.5], [19.03, -9.03], [18.68, -9.18], [18.53, -9.53], [18.18, -9.68], [18.03, -10.03], [17.5, -10.25], [17.25, -10.15], [17.0, -10.25], [16.47, -10.03], [16.25, -9.5], [16.47, -8.97], [16.82, -8.82], [16.88, -8.7], [16.47, -8.53], [16.25, -8.0], [16.35, -7.75], [16.25, -7.5], [16.35, -7.25]]]]}, "2017-06-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[16.35, -7.25], [16.25, -7.0], [16.47, -6.47], [16.82, -6.32], [16.85, -6.25], [16.75, -6.0], [16.97, -5.47], [17.32, -5.32], [17.47, -4.97], [17.82, -4.82], [17.97, -4.47], [18.5, -4.25], [19.03, -4.47], [19.25, -5.0], [19.15, -5.25], [19.25, -5.5], [19.03, -6.03], [18.68, -6.18], [18.65, -6.25], [18.75, -6.5], [18.53, -7.03], [18.18, -7.18], [18.15, -7.25], [18.18, -7.32], [18.53, -7.47], [18.68, -7.82], [19.03, -7.97], [19.25, -8.5], [19.03, -9.03], [18.68, -9.18], [18.53, -9.53], [18.18, -9.68], [18.03, -10.03], [17.5, -10.25], [17.25, -10.15], [17.0, -10.25], [16.47, -10.03], [16.25, -9.5], [16.47, -8.97], [16.82, -8.82], [16.88, -8.7], [16.47, -8.53], [16.25, -8.0], [16.35, -7.75], [16.25, -7.5], [16.35, -7.25]]]]}, "2017-06-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[16.35, -7.25], [16.25, -7.0], [16.47, -6.47], [16.82, -6.32], [16.85, -6.25], [16.75, -6.0], [16.97, -5.47], [17.32, -5.32], [17.47, -4.97], [17.82, -4.82], [17.97, -4.47], [18.5, -4.25], [19.03, -4.47], [19.25, -5.0], [19.15, -5.25], [19.25, -5.5], [19.03, -6.03], [18.68, -6.18], [18.65, -6.25], [18.75, -6.5], [18.53, -7.03], [18.18, -7.18], [18.13, -7.3], [18.53, -7.47], [18.75, -8.0], [18.65, -8.25], [18.75, -8.5], [18.65, -8.75], [18.75, -9.0], [18.53, -9.53], [18.18, -9.68], [18.03, -10.03], [17.5, -10.25], [16.97, -10.03], [16.75, -9.5], [16.85, -9.25], [16.75, -9.0], [16.88, -8.7], [16.47, -8.53], [16.25, -8.0], [16.35, -7.75], [16.25, -7.5], [16.35, -7.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.095561818285603}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.730103039260424}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.70721988135216, 25.936463269297292, 26.561277724044146, 25.923877474959795]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.50091914284718, 27.772032968067265, 27.845805967706667, 26.835082263081233]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.3371066274360968, 1.6426691956078998, 2.236723129916163, 1.4449996725754037]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.628778394564506, 2.561358106055593, 3.095561818285603, 1.7781841082382925]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.422258769902599, 1.7363776098183081, 2.3878745298582964, 1.5250637446489053]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.825985499399285, 2.4208867483155485, 3.3207335215445, 1.9736402086241707]}}