{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:09:10.367483", "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-01_to_2017-Oct-03_23.0_-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": 2017100001015}, "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 01 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 03 2017"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 52158.53810633462}, "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": ["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": -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": 23.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "23.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 22.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 24.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -8.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -5.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-10-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.25, -6.5], [22.35, -6.25], [22.25, -6.0], [22.47, -5.47], [23.0, -5.25], [23.25, -5.35], [23.32, -5.32], [23.47, -4.97], [24.0, -4.75], [24.53, -4.97], [24.75, -5.5], [24.65, -5.75], [24.75, -6.0], [24.65, -6.25], [24.75, -6.5], [24.65, -6.75], [24.75, -7.0], [24.65, -7.25], [24.68, -7.32], [25.03, -7.47], [25.25, -8.0], [25.03, -8.53], [24.5, -8.75], [24.25, -8.65], [24.0, -8.75], [23.75, -8.65], [23.5, -8.75], [22.97, -8.53], [22.82, -8.18], [22.75, -8.15], [22.5, -8.25], [21.97, -8.03], [21.75, -7.5], [21.97, -6.97], [22.32, -6.82], [22.35, -6.75], [22.25, -6.5]]]]}, "2017-10-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.25, -6.5], [22.35, -6.25], [22.25, -6.0], [22.47, -5.47], [23.0, -5.25], [23.25, -5.35], [23.32, -5.32], [23.47, -4.97], [24.0, -4.75], [24.53, -4.97], [24.75, -5.5], [24.65, -5.75], [24.75, -6.0], [24.65, -6.25], [24.75, -6.5], [24.65, -6.75], [24.75, -7.0], [24.65, -7.25], [24.68, -7.32], [25.03, -7.47], [25.25, -8.0], [25.03, -8.53], [24.5, -8.75], [24.25, -8.65], [24.0, -8.75], [23.75, -8.65], [23.5, -8.75], [22.97, -8.53], [22.82, -8.18], [22.75, -8.15], [22.5, -8.25], [21.97, -8.03], [21.75, -7.5], [21.97, -6.97], [22.32, -6.82], [22.35, -6.75], [22.25, -6.5]]]]}, "2017-10-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.25, -6.5], [22.35, -6.25], [22.25, -6.0], [22.47, -5.47], [23.0, -5.25], [23.25, -5.35], [23.32, -5.32], [23.47, -4.97], [24.0, -4.75], [24.53, -4.97], [24.75, -5.5], [24.65, -5.75], [24.75, -6.0], [24.65, -6.25], [24.75, -6.5], [24.65, -6.75], [24.75, -7.0], [24.65, -7.25], [24.68, -7.32], [25.03, -7.47], [25.25, -8.0], [25.03, -8.53], [24.5, -8.75], [24.25, -8.65], [24.0, -8.75], [23.75, -8.65], [23.5, -8.75], [22.97, -8.53], [22.82, -8.18], [22.75, -8.15], [22.5, -8.25], [21.97, -8.03], [21.75, -7.5], [21.97, -6.97], [22.32, -6.82], [22.35, -6.75], [22.25, -6.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.7374917938438443}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.8414971566243072}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.458676208297163, 25.512578481361345, 25.42877391400168]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.426231985543495, 26.62811195936007, 26.204990754174958]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.78269700794415, 1.9034546524317528, 1.838339809497019]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.2663154097142524, 2.5414844932047913, 2.7374917938438443]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5964592611593396, 1.7142566998990645, 1.6223194661990066]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.109194404348303, 2.3610643299540564, 2.2524107527692836]}}