{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:22:44.465295", "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": "2020-Dec-15_to_2020-Dec-18_295.0_11.5"}, "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": 2020120002166}, "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": "December 15 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 18 2020"}, "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": 69718.08908522452}, "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": ["Venezuela"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.South-America"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["South America"]}, "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": ["Caribbean Sea"]}, "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": 11.5}, "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": 295.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "295.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 292.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 296.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 10.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 12.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-12-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-67.53, 12.03], [-67.18, 12.18], [-67.03, 12.53], [-66.5, 12.75], [-65.97, 12.53], [-65.82, 12.18], [-65.75, 12.15], [-65.5, 12.25], [-65.25, 12.15], [-65.0, 12.25], [-64.75, 12.15], [-64.5, 12.25], [-63.97, 12.03], [-63.82, 11.68], [-63.47, 11.53], [-63.25, 11.0], [-63.47, 10.47], [-63.82, 10.32], [-63.97, 9.97], [-64.5, 9.75], [-64.75, 9.85], [-65.0, 9.75], [-65.25, 9.85], [-65.5, 9.75], [-65.75, 9.85], [-66.0, 9.75], [-66.53, 9.97], [-66.68, 10.32], [-66.75, 10.35], [-67.0, 10.25], [-67.53, 10.47], [-67.75, 11.0], [-67.65, 11.25], [-67.75, 11.5], [-67.53, 12.03]]]]}, "2020-12-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-67.53, 12.03], [-67.18, 12.18], [-67.03, 12.53], [-66.5, 12.75], [-66.25, 12.65], [-66.0, 12.75], [-65.75, 12.65], [-65.5, 12.75], [-65.25, 12.65], [-65.0, 12.75], [-64.75, 12.65], [-64.5, 12.75], [-63.97, 12.53], [-63.82, 12.18], [-63.47, 12.03], [-63.25, 11.5], [-63.35, 11.25], [-63.25, 11.0], [-63.47, 10.47], [-63.82, 10.32], [-63.97, 9.97], [-64.5, 9.75], [-64.75, 9.85], [-65.0, 9.75], [-65.25, 9.85], [-65.5, 9.75], [-65.75, 9.85], [-66.0, 9.75], [-66.53, 9.97], [-66.68, 10.32], [-66.75, 10.35], [-67.0, 10.25], [-67.53, 10.47], [-67.75, 11.0], [-67.65, 11.25], [-67.75, 11.5], [-67.53, 12.03]]]]}, "2020-12-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-67.53, 12.03], [-67.18, 12.18], [-67.03, 12.53], [-66.5, 12.75], [-66.25, 12.65], [-66.0, 12.75], [-65.75, 12.65], [-65.5, 12.75], [-65.25, 12.65], [-65.0, 12.75], [-64.75, 12.65], [-64.5, 12.75], [-63.97, 12.53], [-63.82, 12.18], [-63.47, 12.03], [-63.25, 11.5], [-63.35, 11.25], [-63.25, 11.0], [-63.47, 10.47], [-63.82, 10.32], [-63.97, 9.97], [-64.5, 9.75], [-64.75, 9.85], [-65.0, 9.75], [-65.25, 9.85], [-65.5, 9.75], [-65.75, 9.85], [-66.0, 9.75], [-66.53, 9.97], [-66.68, 10.32], [-66.75, 10.35], [-67.0, 10.25], [-67.53, 10.47], [-67.75, 11.0], [-67.65, 11.25], [-67.75, 11.5], [-67.53, 12.03]]]]}, "2020-12-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-67.53, 12.03], [-67.18, 12.18], [-67.03, 12.53], [-66.5, 12.75], [-66.25, 12.65], [-66.0, 12.75], [-65.75, 12.65], [-65.5, 12.75], [-65.25, 12.65], [-65.0, 12.75], [-64.75, 12.65], [-64.5, 12.75], [-63.97, 12.53], [-63.82, 12.18], [-63.47, 12.03], [-63.25, 11.5], [-63.47, 10.97], [-63.82, 10.82], [-63.85, 10.75], [-63.75, 10.5], [-63.97, 9.97], [-64.5, 9.75], [-64.75, 9.85], [-65.0, 9.75], [-65.25, 9.85], [-65.5, 9.75], [-65.75, 9.85], [-66.0, 9.75], [-66.53, 9.97], [-66.68, 10.32], [-66.75, 10.35], [-67.0, 10.25], [-67.53, 10.47], [-67.75, 11.0], [-67.65, 11.25], [-67.75, 11.5], [-67.53, 12.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.164723886110096}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.805116490487609}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.675722646416602, 26.735191890903593, 26.75599625794581, 26.94591576569735]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.951554995583024, 26.943177747328434, 27.1232220987053, 27.29369245207687]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.7127809754576523, 0.7370172392572766, 0.7848742100958188, 0.9730207858443382]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.8186383763903109, 0.932144480083025, 0.9691120709979941, 1.164723886110096]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4128161482812027, 1.4908193885053485, 1.584222104848966, 1.9560815110475067]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5428647584171924, 1.965274083927237, 1.886330453578277, 2.323343777430493]}}