{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:28:22.103125", "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": "2021-Nov-21_to_2021-Nov-23_293.0_-16.0"}, "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": 2021110002078}, "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": "November 21 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 23 2021"}, "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": 53289.90465830303}, "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": ["Bolivia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["South-American-Monsoon"]}, "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": []}, "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": -16.0}, "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": 293.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "293.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 292.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 296.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -18.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -15.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-11-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.25, -15.5], [-68.03, -14.97], [-67.5, -14.75], [-67.25, -14.85], [-67.0, -14.75], [-66.47, -14.97], [-66.32, -15.32], [-66.25, -15.35], [-66.0, -15.25], [-65.5, -15.46], [-65.0, -15.25], [-64.47, -15.47], [-64.25, -16.0], [-64.35, -16.25], [-64.32, -16.32], [-64.25, -16.35], [-64.0, -16.25], [-63.47, -16.47], [-63.32, -16.82], [-62.97, -16.97], [-62.75, -17.5], [-62.85, -17.75], [-62.75, -18.0], [-62.97, -18.53], [-63.5, -18.75], [-64.03, -18.53], [-64.18, -18.18], [-64.25, -18.15], [-64.5, -18.25], [-64.75, -18.15], [-65.0, -18.25], [-65.53, -18.03], [-65.68, -17.68], [-66.03, -17.53], [-66.18, -17.18], [-66.53, -17.03], [-66.68, -16.68], [-66.75, -16.65], [-67.0, -16.75], [-67.53, -16.53], [-67.68, -16.18], [-68.03, -16.03], [-68.25, -15.5]]]]}, "2021-11-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.25, -15.5], [-68.03, -14.97], [-67.5, -14.75], [-67.25, -14.85], [-67.0, -14.75], [-66.47, -14.97], [-66.32, -15.32], [-66.25, -15.35], [-66.0, -15.25], [-65.5, -15.46], [-65.0, -15.25], [-64.47, -15.47], [-64.25, -16.0], [-64.35, -16.25], [-64.32, -16.32], [-64.25, -16.35], [-64.0, -16.25], [-63.47, -16.47], [-63.32, -16.82], [-62.97, -16.97], [-62.75, -17.5], [-62.85, -17.75], [-62.75, -18.0], [-62.97, -18.53], [-63.5, -18.75], [-64.03, -18.53], [-64.18, -18.18], [-64.25, -18.15], [-64.5, -18.25], [-64.75, -18.15], [-65.0, -18.25], [-65.53, -18.03], [-65.68, -17.68], [-66.03, -17.53], [-66.18, -17.18], [-66.53, -17.03], [-66.68, -16.68], [-66.75, -16.65], [-67.0, -16.75], [-67.53, -16.53], [-67.68, -16.18], [-68.03, -16.03], [-68.25, -15.5]]]]}, "2021-11-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.25, -15.5], [-68.03, -14.97], [-67.5, -14.75], [-67.25, -14.85], [-67.0, -14.75], [-66.47, -14.97], [-66.32, -15.32], [-66.25, -15.35], [-66.0, -15.25], [-65.5, -15.46], [-65.0, -15.25], [-64.47, -15.47], [-64.25, -16.0], [-64.35, -16.25], [-64.32, -16.32], [-64.25, -16.35], [-64.0, -16.25], [-63.47, -16.47], [-63.32, -16.82], [-62.97, -16.97], [-62.75, -17.5], [-62.85, -17.75], [-62.75, -18.0], [-62.97, -18.53], [-63.5, -18.75], [-64.03, -18.53], [-64.18, -18.18], [-64.25, -18.15], [-64.5, -18.25], [-64.75, -18.15], [-65.0, -18.25], [-65.53, -18.03], [-65.68, -17.68], [-66.03, -17.53], [-66.18, -17.18], [-66.53, -17.03], [-66.68, -16.68], [-66.75, -16.65], [-67.0, -16.75], [-67.53, -16.53], [-67.68, -16.18], [-68.03, -16.03], [-68.25, -15.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.4690714655706074}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.4547507803997717}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.346724260326425, 26.84606938542686, 26.293692802674457]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.822194501404454, 30.37815705845975, 29.39267526671341]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.3128770991294894, 2.809872371121644, 2.2415028709481817]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.8875034386014704, 3.4690714655706074, 2.7635566212600224]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4701974004706873, 1.7921371928570204, 1.4447610173418117]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6486192929091528, 2.216861367454269, 1.7285406380249186]}}