{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:44:32.314272", "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-Apr-12_to_2010-Apr-16_13.5_-9.5"}, "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": 2010040001591}, "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": "April 12 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 16 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": 61133.74165509619}, "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"]}, "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": -9.5}, "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": 13.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "13.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 13.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 15.75}, "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": -6.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-04-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[13.35, -8.75], [13.25, -8.5], [13.47, -7.97], [13.82, -7.82], [13.97, -7.47], [14.32, -7.32], [14.35, -7.25], [14.25, -7.0], [14.47, -6.47], [15.0, -6.25], [15.53, -6.47], [15.75, -7.0], [15.65, -7.25], [15.75, -7.5], [15.65, -7.75], [15.68, -7.82], [16.03, -7.97], [16.25, -8.5], [16.03, -9.03], [15.68, -9.18], [15.65, -9.25], [15.75, -9.5], [15.53, -10.03], [15.0, -10.25], [14.75, -10.15], [14.5, -10.25], [14.25, -10.15], [14.0, -10.25], [13.47, -10.03], [13.25, -9.5], [13.35, -9.25], [13.25, -9.0], [13.35, -8.75]]]]}, "2010-04-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[12.85, -8.75], [12.75, -8.5], [12.85, -8.25], [12.75, -8.0], [12.85, -7.75], [12.75, -7.5], [12.97, -6.97], [13.5, -6.75], [14.03, -6.97], [14.18, -7.32], [14.25, -7.35], [14.32, -7.32], [14.35, -7.25], [14.25, -7.0], [14.47, -6.47], [15.0, -6.25], [15.53, -6.47], [15.75, -7.0], [15.65, -7.25], [15.75, -7.5], [15.65, -7.75], [15.68, -7.82], [16.03, -7.97], [16.25, -8.5], [16.03, -9.03], [15.68, -9.18], [15.65, -9.25], [15.75, -9.5], [15.53, -10.03], [15.0, -10.25], [14.75, -10.15], [14.5, -10.25], [14.25, -10.15], [14.0, -10.25], [13.75, -10.15], [13.5, -10.25], [12.97, -10.03], [12.75, -9.5], [12.85, -9.25], [12.75, -9.0], [12.85, -8.75]]]]}, "2010-04-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[12.85, -8.75], [12.75, -8.5], [12.85, -8.25], [12.75, -8.0], [12.85, -7.75], [12.75, -7.5], [12.97, -6.97], [13.5, -6.75], [14.03, -6.97], [14.18, -7.32], [14.25, -7.35], [14.32, -7.32], [14.35, -7.25], [14.25, -7.0], [14.47, -6.47], [15.0, -6.25], [15.53, -6.47], [15.75, -7.0], [15.65, -7.25], [15.75, -7.5], [15.65, -7.75], [15.68, -7.82], [16.03, -7.97], [16.25, -8.5], [16.03, -9.03], [15.68, -9.18], [15.65, -9.25], [15.75, -9.5], [15.53, -10.03], [15.0, -10.25], [14.75, -10.15], [14.5, -10.25], [14.25, -10.15], [14.0, -10.25], [13.75, -10.15], [13.5, -10.25], [12.97, -10.03], [12.75, -9.5], [12.85, -9.25], [12.75, -9.0], [12.85, -8.75]]]]}, "2010-04-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[12.85, -8.75], [12.75, -8.5], [12.85, -8.25], [12.75, -8.0], [12.85, -7.75], [12.75, -7.5], [12.97, -6.97], [13.5, -6.75], [14.03, -6.97], [14.18, -7.32], [14.25, -7.35], [14.32, -7.32], [14.35, -7.25], [14.25, -7.0], [14.47, -6.47], [15.0, -6.25], [15.53, -6.47], [15.75, -7.0], [15.65, -7.25], [15.75, -7.5], [15.65, -7.75], [15.75, -8.0], [15.65, -8.25], [15.75, -8.5], [15.53, -9.03], [15.18, -9.18], [15.03, -9.53], [14.5, -9.75], [14.25, -9.65], [14.18, -9.68], [14.03, -10.03], [13.5, -10.25], [12.97, -10.03], [12.75, -9.5], [12.85, -9.25], [12.75, -9.0], [12.85, -8.75]]]]}, "2010-04-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[12.97, -7.97], [13.5, -7.75], [14.03, -7.97], [14.25, -8.5], [14.04, -9.0], [14.25, -9.5], [14.03, -10.03], [13.5, -10.25], [12.97, -10.03], [12.75, -9.5], [12.96, -9.0], [12.75, -8.5], [12.97, -7.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.9750879272038446}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.415115752676607}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.43561896147304, 26.304645848892847, 26.16650968780243, 26.301282384969454, 27.711693169625732]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.19766569464474, 28.588258959170787, 28.880513325414483, 28.38037400084346, 27.92711533885665]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.3038532341290932, 1.5372703464458084, 1.412057195061783, 1.4131301094547288, 1.017885345129514]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.536905971410249, 1.9750879272038446, 1.929193665927471, 1.8215054945389966, 1.0215697318897128]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.531421730009019, 1.8295903093115933, 1.713766423815353, 1.7797070882248813, 1.37271158219349]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.866319536802322, 2.2973564152041903, 2.5260415905054625, 2.2481213027314393, 1.385466119335606]}}