{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:24:15.856969", "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": "2022-Oct-27_to_2022-Nov-01_318.5_-22.0"}, "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": 2022100002760}, "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 27 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 01 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 51701.34341325945}, "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"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["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": ["Atlantic Ocean", "Oceano Atl\u00e2ntico"]}, "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": -22.0}, "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": 318.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "318.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 318.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 320.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -23.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -20.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-42.03, -20.47], [-41.68, -20.32], [-41.53, -19.97], [-41.0, -19.75], [-40.75, -19.85], [-40.68, -19.82], [-40.53, -19.47], [-40.0, -19.25], [-39.47, -19.47], [-39.25, -20.0], [-39.46, -20.5], [-39.25, -21.0], [-39.35, -21.25], [-39.25, -21.5], [-39.47, -22.03], [-40.0, -22.25], [-40.3, -22.12], [-40.35, -22.25], [-40.25, -22.5], [-40.47, -23.03], [-40.82, -23.18], [-40.97, -23.53], [-41.32, -23.68], [-41.47, -24.03], [-42.0, -24.25], [-42.53, -24.03], [-42.75, -23.5], [-42.65, -23.25], [-42.75, -23.0], [-42.54, -22.5], [-42.75, -22.0], [-42.53, -21.47], [-42.18, -21.32], [-42.15, -21.25], [-42.25, -21.0], [-42.03, -20.47]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.E.South-America", "S.E.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-10-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-42.02999999999997, -21.47], [-41.5, -21.25], [-40.97000000000003, -21.47], [-40.75, -22.0], [-40.97000000000003, 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-23.25], [-42.75, -23.0]]]]}, "2022-10-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-42.75, -23.0], [-42.54000000000002, -22.5], [-42.75, -22.0], [-42.52999999999997, -21.47], [-42.18000000000001, -21.32], [-42.14999999999998, -21.25], [-42.25, -21.0], [-42.02999999999997, -20.47], [-41.68000000000001, -20.32], [-41.52999999999997, -19.97], [-41.0, -19.75], [-40.75, -19.85], [-40.68000000000001, -19.82], [-40.52999999999997, -19.47], [-40.0, -19.25], [-39.47000000000003, -19.47], [-39.25, -20.0], [-39.45999999999998, -20.5], [-39.25, -21.0], [-39.35000000000002, -21.25], [-39.25, -21.5], [-39.47000000000003, -22.03], [-40.0, -22.25], [-40.30000000000001, -22.12], [-40.35000000000002, -22.25], [-40.25, -22.5], [-40.47000000000003, -23.03], [-40.81999999999999, -23.18], [-40.97000000000003, -23.53], [-41.31999999999999, -23.68], [-41.47000000000003, -24.03], [-42.0, -24.25], [-42.52999999999997, -24.03], [-42.75, -23.5], [-42.64999999999998, -23.25], [-42.75, 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"2022-11-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-40.75, -21.0], [-40.52999999999997, -20.47], [-40.0, -20.25], [-39.47000000000003, -20.47], [-39.25, -21.0], [-39.35000000000002, -21.25], [-39.25, -21.5], [-39.47000000000003, -22.03], [-40.0, -22.25], [-40.52999999999997, -22.03], [-40.75, -21.5], [-40.64999999999998, -21.25], [-40.75, -21.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.613603761553236}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.2364664040612507}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.12842734731828, 25.31099202572426, 25.23016108409456, 25.42492481817527, 25.811162287147, 24.821174273360157]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.12842734731828, 27.970034447721673, 28.309334594920813, 28.21329192626854, 28.96698012524945, 24.8422987364105]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.5398482409540293, 2.046885789415573, 2.0511403020056083, 2.2989133596691875, 2.6238783407250104, 1.224750644522004]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.5398482409540293, 3.3779250334687845, 3.741697106361073, 3.749447168892914, 4.613603761553236, 1.276174653050873]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3543712951134974, 1.43971437834648, 1.3976058561796316, 1.5402273232689498, 1.731021223061574, 1.2374254247678653]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3543712951134974, 1.8464556528634282, 1.7965222493754502, 2.28408845396852, 2.3701826188472, 1.2615145390765443]}}