{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:53:06.324591", "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": "2013-Apr-01_to_2013-Apr-04_310.5_-10.0"}, "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": 2013040001314}, "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 01 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 04 2013"}, "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": 76164.72914940568}, "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.E.South-America", "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": -10.0}, "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": 310.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "310.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 309.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 312.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -11.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -7.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-04-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-50.75, -8.5], [-50.53, -7.97], [-50.0, -7.75], [-49.47, -7.97], [-49.32, -8.32], [-48.97, -8.47], [-48.75, -9.0], [-48.85, -9.25], [-48.75, -9.5], [-48.85, -9.75], [-48.75, -10.0], [-48.53, -9.47], [-48.0, -9.25], [-47.47, -9.47], [-47.25, -10.0], [-47.47, -10.53], [-48.0, -10.75], [-48.43, -10.57], [-48.25, -11.0], [-48.47, -11.53], [-49.0, -11.75], [-49.53, -11.53], [-49.75, -11.0], [-49.62, -10.7], [-50.03, -10.53], [-50.25, -10.0], [-50.15, -9.75], [-50.25, -9.5], [-50.15, -9.25], [-50.18, -9.18], [-50.53, -9.03], [-50.75, -8.5]], [[-48.87, -10.3], [-48.57, -10.43], [-48.75, -10.0], [-48.87, -10.3]]]]}, "2013-04-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-51.15, -9.25], [-51.25, -9.0], [-51.03, -8.47], [-50.68, -8.32], [-50.53, -7.97], [-50.0, -7.75], [-49.47, -7.97], [-49.32, -8.32], [-49.0, -8.46], [-48.68, -8.32], [-48.65, -8.25], [-48.75, -8.0], [-48.53, -7.47], [-48.0, -7.25], [-47.47, -7.47], [-47.25, -8.0], [-47.35, -8.25], [-47.25, -8.5], [-47.35, -8.75], [-47.25, -9.0], [-47.37, -9.3], [-46.97, -9.47], [-46.75, -10.0], [-46.97, -10.53], [-47.5, -10.75], [-47.75, -10.65], [-47.82, -10.68], [-47.85, -10.75], [-47.75, -11.0], [-47.97, -11.53], [-48.5, -11.75], [-48.75, -11.65], [-49.0, -11.75], [-49.25, -11.65], [-49.5, -11.75], [-50.03, -11.53], [-50.25, -11.0], [-50.15, -10.75], [-50.18, -10.68], [-50.25, -10.65], [-50.5, -10.75], [-51.03, -10.53], [-51.25, -10.0], [-51.15, -9.75], [-51.25, -9.5], [-51.15, -9.25]]]]}, "2013-04-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-51.15, -9.25], [-51.25, -9.0], [-51.03, -8.47], [-50.68, -8.32], [-50.53, -7.97], [-50.0, -7.75], [-49.47, -7.97], [-49.32, -8.32], [-49.0, -8.46], [-48.68, -8.32], [-48.65, -8.25], [-48.75, -8.0], [-48.53, -7.47], [-48.0, -7.25], [-47.47, -7.47], [-47.25, -8.0], [-47.35, -8.25], [-47.25, -8.5], [-47.35, -8.75], [-47.25, -9.0], [-47.37, -9.3], [-46.97, -9.47], [-46.75, -10.0], [-46.97, -10.53], [-47.5, -10.75], [-47.75, -10.65], [-47.82, -10.68], [-47.85, -10.75], [-47.75, -11.0], [-47.97, -11.53], [-48.5, -11.75], [-48.75, -11.65], [-49.0, -11.75], [-49.25, -11.65], [-49.5, -11.75], [-50.03, -11.53], [-50.25, -11.0], [-50.15, -10.75], [-50.18, -10.68], [-50.25, -10.65], [-50.5, -10.75], [-51.03, -10.53], [-51.25, -10.0], [-51.15, -9.75], [-51.25, -9.5], [-51.15, -9.25]]]]}, "2013-04-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-51.15, -9.25], [-51.25, -9.0], [-51.03, -8.47], [-50.5, -8.25], [-50.25, -8.35], [-50.0, -8.25], [-49.75, -8.35], [-49.5, -8.25], [-49.0, -8.46], [-48.68, -8.32], [-48.65, -8.25], [-48.75, -8.0], [-48.53, -7.47], [-48.0, -7.25], [-47.47, -7.47], [-47.25, -8.0], [-47.35, -8.25], [-47.25, -8.5], [-47.35, -8.75], [-47.25, -9.0], [-47.37, -9.3], [-46.97, -9.47], [-46.75, -10.0], [-46.97, -10.53], [-47.5, -10.75], [-47.75, -10.65], [-47.82, -10.68], [-47.85, -10.75], [-47.75, -11.0], [-47.97, -11.53], [-48.5, -11.75], [-48.75, -11.65], [-49.0, -11.75], [-49.25, -11.65], [-49.5, -11.75], [-50.03, -11.53], [-50.25, -11.0], [-50.15, -10.75], [-50.18, -10.68], [-50.25, -10.65], [-50.5, -10.75], [-51.03, -10.53], [-51.25, -10.0], [-51.15, -9.75], [-51.25, -9.5], [-51.15, -9.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.176307618882504}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.8740882494324729}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.8470608774212, 28.052353984825857, 28.129970737436565, 28.202822207870497]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.157883463998417, 28.653697599884595, 28.789107735604887, 28.798916732420025]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.7158701974695607, 1.8488916197469667, 1.884133877176837, 1.929425056111891]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.8192583022681674, 2.127473787685915, 2.1715415988656446, 2.176307618882504]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4730109914838936, 1.5872932527702641, 1.6368586543380033, 1.6610521765049642]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6143780821997296, 1.8351562994088317, 1.8257165189049407, 1.8534195208967865]}}