{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:51:44.483724", "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": "2012-Oct-23_to_2012-Oct-26_302.5_-5.5"}, "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": 2012100002595}, "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 23 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 26 2012"}, "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": 58339.46533665033}, "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": ["Brazil"]}, "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": []}, "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": -5.5}, "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": 302.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "302.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 302.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 306.25}, "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": {"2012-10-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-58.25, -5.5], [-58.03, -4.97], [-57.5, -4.75], [-57.25, -4.85], [-57.0, -4.75], [-56.75, -4.85], [-56.5, -4.75], [-55.97, -4.97], [-55.8, -5.38], [-55.5, -5.25], [-55.25, -5.35], [-55.0, -5.25], [-54.47, -5.47], [-54.32, -5.82], [-53.97, -5.97], [-53.75, -6.5], [-53.85, -6.75], [-53.82, -6.82], [-53.47, -6.97], [-53.25, -7.5], [-53.35, -7.75], [-53.25, -8.0], [-53.47, -8.53], [-54.0, -8.75], [-54.53, -8.53], [-54.68, -8.18], [-55.03, -8.03], [-55.18, -7.68], [-55.25, -7.65], [-55.5, -7.75], [-55.75, -7.65], [-56.0, -7.75], [-56.25, -7.65], [-56.5, -7.75], [-57.03, -7.53], [-57.18, -7.18], [-57.53, -7.03], [-57.75, -6.5], [-57.62, -6.2], [-58.03, -6.03], [-58.25, -5.5]]]]}, "2012-10-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-58.25, -5.5], [-58.03, -4.97], [-57.5, -4.75], [-57.25, -4.85], [-57.0, -4.75], [-56.75, -4.85], [-56.5, -4.75], [-55.97, -4.97], [-55.8, -5.38], [-55.5, -5.25], [-55.25, -5.35], [-55.0, -5.25], [-54.47, -5.47], [-54.32, -5.82], [-53.97, -5.97], [-53.75, -6.5], [-53.85, -6.75], [-53.82, -6.82], [-53.47, -6.97], [-53.25, -7.5], [-53.35, -7.75], [-53.25, -8.0], [-53.47, -8.53], [-54.0, -8.75], [-54.53, -8.53], [-54.68, -8.18], [-55.03, -8.03], [-55.18, -7.68], [-55.25, -7.65], [-55.5, -7.75], [-55.75, -7.65], [-56.0, -7.75], [-56.25, -7.65], [-56.5, -7.75], [-57.03, -7.53], [-57.18, -7.18], [-57.53, -7.03], [-57.75, -6.5], [-57.62, -6.2], [-58.03, -6.03], [-58.25, -5.5]]]]}, "2012-10-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-58.25, -5.5], [-58.03, -4.97], [-57.5, -4.75], [-57.25, -4.85], [-57.0, -4.75], [-56.75, -4.85], [-56.5, -4.75], [-55.97, -4.97], [-55.8, -5.38], [-55.5, -5.25], [-55.25, -5.35], [-55.0, -5.25], [-54.47, -5.47], [-54.32, -5.82], [-53.97, -5.97], [-53.75, -6.5], [-53.85, -6.75], [-53.82, -6.82], [-53.47, -6.97], [-53.25, -7.5], [-53.35, -7.75], [-53.25, -8.0], [-53.47, -8.53], [-54.0, -8.75], [-54.53, -8.53], [-54.68, -8.18], [-55.03, -8.03], [-55.18, -7.68], [-55.25, -7.65], [-55.5, -7.75], [-55.75, -7.65], [-56.0, -7.75], [-56.25, -7.65], [-56.5, -7.75], [-57.03, -7.53], [-57.18, -7.18], [-57.53, -7.03], [-57.75, -6.5], [-57.62, -6.2], [-58.03, -6.03], [-58.25, -5.5]]]]}, "2012-10-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-58.03, -6.03], [-58.25, -5.5], [-58.03, -4.97], [-57.5, -4.75], [-57.25, -4.85], [-57.0, -4.75], [-56.47, -4.97], [-56.25, -5.5], [-56.47, -6.03], [-57.0, -6.25], [-57.25, -6.15], [-57.5, -6.25], [-58.03, -6.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.2574874692828075}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.0725560295969294}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.12970208929022, 28.05895218676517, 28.428480675750905, 29.305377981055983]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.63383003328653, 29.596236343565806, 30.488265253057477, 29.388047599713843]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.9987638849804834, 1.9427490550604034, 2.28086894241772, 2.0277749897526576]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.4079423354742175, 2.4100725182770475, 3.2574874692828075, 2.1637728140987633]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5622754012607005, 1.5381034588784088, 1.8995807104912725, 1.539663474683644]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7127522573900376, 1.7501620235969186, 2.412629853349718, 1.6187775873524568]}}