{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:44:11.871326", "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": "2010-Feb-25_to_2010-Mar-01_24.5_-12.5"}, "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": 2010020002173}, "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": "February 25 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 01 2010"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 78339.32796368032}, "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", "Zambia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Southern-Africa", "W.Southern-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": -12.5}, "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": 24.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "24.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 21.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 25.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -14.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -11.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-02-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[23.25, -12.5], [23.47, -11.97], [24.0, -11.75], [24.25, -11.85], [24.5, -11.75], [24.75, -11.85], [24.82, -11.82], [24.97, -11.47], [25.5, -11.25], [26.03, -11.47], [26.25, -12.0], [26.15, -12.25], [26.25, -12.5], [26.03, -13.03], [25.5, -13.25], [25.25, -13.15], [25.18, -13.18], [25.03, -13.53], [24.68, -13.68], [24.53, -14.03], [24.0, -14.25], [23.47, -14.03], [23.25, -13.5], [23.35, -13.25], [23.25, -13.0], [23.35, -12.75], [23.25, -12.5]]], [[[22.5, -10.75], [23.03, -10.97], [23.25, -11.5], [23.15, -11.75], [23.25, -12.0], [23.03, -12.53], [22.5, -12.75], [21.97, -12.53], [21.75, -12.0], [21.85, -11.75], [21.75, -11.5], [21.97, -10.97], [22.5, -10.75]]]]}, "2010-02-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[21.25, -12.5], [21.47, -11.97], [21.82, -11.82], [21.85, -11.75], [21.75, -11.5], [21.97, -10.97], [22.5, -10.75], [23.03, -10.97], [23.18, -11.32], [23.53, -11.47], [23.68, -11.82], [23.75, -11.85], [24.0, -11.75], [24.25, -11.85], [24.5, -11.75], [24.75, -11.85], [24.82, -11.82], [24.97, -11.47], [25.5, -11.25], [26.03, -11.47], [26.25, -12.0], [26.15, -12.25], [26.25, -12.5], [26.03, -13.03], [25.5, -13.25], [25.25, -13.15], [25.18, -13.18], [25.15, -13.25], [25.25, -13.5], [25.03, -14.03], [24.68, -14.18], [24.53, -14.53], [24.0, -14.75], [23.75, -14.65], [23.5, -14.75], [22.97, -14.53], [22.82, -14.18], [22.47, -14.03], [22.32, -13.68], [21.97, -13.53], [21.82, -13.18], [21.47, -13.03], [21.25, -12.5]]]]}, "2010-02-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[21.25, -12.5], [21.47, -11.97], [21.82, -11.82], [21.85, -11.75], [21.75, -11.5], [21.97, -10.97], [22.5, -10.75], [23.03, -10.97], [23.18, -11.32], [23.53, -11.47], [23.68, -11.82], [23.75, -11.85], [24.0, -11.75], [24.25, -11.85], [24.5, -11.75], [24.75, -11.85], [24.82, -11.82], [24.97, -11.47], [25.5, -11.25], [26.03, -11.47], [26.25, -12.0], [26.15, -12.25], [26.25, -12.5], [26.03, -13.03], [25.68, -13.18], [25.65, -13.25], [25.75, -13.5], [25.65, -13.75], [25.75, -14.0], [25.53, -14.53], [25.0, -14.75], [24.5, -14.54], [24.0, -14.75], [23.75, -14.65], [23.5, -14.75], [22.97, -14.53], [22.82, -14.18], [22.47, -14.03], [22.32, -13.68], [21.97, -13.53], [21.82, -13.18], [21.47, -13.03], [21.25, -12.5]]]]}, "2010-02-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[21.25, -12.5], [21.47, -11.97], [21.82, -11.82], [21.85, -11.75], [21.75, -11.5], [21.97, -10.97], [22.5, -10.75], [23.03, -10.97], [23.18, -11.32], [23.53, -11.47], [23.68, -11.82], [23.75, -11.85], [24.0, -11.75], [24.25, -11.85], [24.5, -11.75], [24.75, -11.85], [24.82, -11.82], [24.97, -11.47], [25.5, -11.25], [26.03, -11.47], [26.25, -12.0], [26.15, -12.25], [26.25, -12.5], [26.03, -13.03], [25.68, -13.18], [25.65, -13.25], [25.75, -13.5], [25.65, -13.75], [25.75, -14.0], [25.53, -14.53], [25.0, -14.75], [24.5, -14.54], [24.0, -14.75], [23.75, -14.65], [23.5, -14.75], [22.97, -14.53], [22.82, -14.18], [22.47, -14.03], [22.32, -13.68], [21.97, -13.53], [21.82, -13.18], [21.47, -13.03], [21.25, -12.5]]]]}, "2010-03-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[24.35, -13.25], [24.25, -13.0], [24.47, -12.47], [25.0, -12.25], [25.53, -12.47], [25.75, -13.0], [25.65, -13.25], [25.75, -13.5], [25.65, -13.75], [25.75, -14.0], [25.53, -14.53], [25.0, -14.75], [24.47, -14.53], [24.25, -14.0], [24.35, -13.75], [24.25, -13.5], [24.35, -13.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.6110097613631638}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.8148433547227638}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [23.194020603601757, 23.163177001232896, 23.3213751702761, 23.777659954425644, 23.304034145577532]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [23.581451132989343, 24.009102130972735, 24.07097977496636, 24.34567479903285, 23.431120700337658]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.7880331987992122, 1.5777898773752965, 1.7303929515411112, 2.161149810206091, 1.4522014141840032]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.1767738147119644, 1.847115129576025, 2.160672742052327, 2.6110097613631638, 1.4731735844223408]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6920077930837134, 1.5638543366193531, 1.7220552837546284, 2.166133949141364, 1.3729003012645535]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.06975229690915, 1.7621935743532822, 2.0915498651202236, 2.560626536832487, 1.3918464577711895]}}