{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:22:31.093905", "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-Feb-04_to_2021-Feb-07_320.5_-9.5"}, "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": 2021020001414}, "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": "February 04 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 07 2021"}, "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": 91437.42156147407}, "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": []}, "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": -9.5}, "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": 320.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "320.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 319.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 323.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -10.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -8.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "Polygon", "coordinates": [[[-41.03, -8.97], [-40.677, -8.823], [-40.53, -8.47], [-40.0, -8.25], [-39.75, -8.354], [-39.677, -8.323], [-39.53, -7.97], [-39.0, -7.75], [-38.75, -7.854], [-38.5, -7.75], [-38.25, -7.854], [-38.0, -7.75], [-37.47, -7.97], [-37.323, -8.323], [-37.25, -8.354], [-37.0, -8.25], [-36.47, -8.47], [-36.25, -9.0], [-36.354, -9.25], [-36.25, -9.5], [-36.457, -10.0], [-36.25, -10.5], [-36.47, -11.03], [-37.0, -11.25], [-37.25, -11.146], [-37.5, -11.25], [-37.75, -11.146], [-38.0, -11.25], [-38.25, -11.146], [-38.5, -11.25], [-38.75, -11.146], [-39.0, -11.25], [-39.53, -11.03], [-39.677, -10.677], [-39.75, -10.646], [-40.0, -10.75], [-40.25, -10.646], [-40.5, -10.75], [-41.03, -10.53], [-41.25, -10.0], [-41.146, -9.75], [-41.25, -9.5], [-41.03, -8.97]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.E.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-02-04T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[-40.25, -10.146446609406722], [-40.5, -10.25], [-41.03033008588989, -10.030330085889911], [-41.25, -9.5], [-41.03033008588989, -8.969669914110089], [-40.5, -8.75], [-40.25, -8.853553390593278], [-40.0, -8.75], [-39.75, -8.853553390593278], [-39.5, -8.75], [-39.25, -8.853553390593278], [-39.0, -8.75], [-38.46966991411011, -8.969669914110089], [-38.25, -9.5], [-38.46966991411011, -10.030330085889911], [-39.0, -10.25], [-39.25, -10.146446609406722], [-39.5, -10.25], [-39.75, -10.146446609406722], [-40.0, -10.25], [-40.25, -10.146446609406722]]]}, "2021-02-05T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[-41.14644660940672, -9.75], [-41.25, -9.5], [-41.03033008588989, -8.969669914110089], [-40.67677669529661, -8.823223304703363], [-40.53033008588989, -8.469669914110089], [-40.0, -8.25], [-39.75, -8.353553390593278], [-39.67677669529661, -8.323223304703363], [-39.53033008588989, -7.9696699141100895], [-39.0, -7.75], [-38.75, -7.853553390593278], [-38.5, -7.75], [-38.25, -7.853553390593278], [-38.0, -7.75], [-37.46966991411011, -7.9696699141100895], [-37.32322330470339, -8.323223304703363], [-37.25, -8.353553390593278], [-37.0, -8.25], [-36.46966991411011, -8.469669914110089], [-36.25, -9.0], [-36.35355339059328, -9.25], [-36.25, -9.5], [-36.45710678118655, -10.0], [-36.25, -10.5], [-36.46966991411011, -11.030330085889911], [-37.0, -11.25], [-37.25, -11.146446609406722], [-37.5, -11.25], [-37.75, -11.146446609406722], [-38.0, -11.25], [-38.25, -11.146446609406722], [-38.5, -11.25], [-38.75, -11.146446609406722], [-39.0, -11.25], [-39.53033008588989, -11.030330085889911], [-39.67677669529661, -10.676776695296637], [-39.75, -10.646446609406722], [-40.0, -10.75], [-40.25, -10.646446609406722], [-40.5, -10.75], [-41.03033008588989, -10.530330085889911], [-41.25, -10.0], [-41.14644660940672, -9.75]]]}, "2021-02-06T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[-41.14644660940672, -9.75], [-41.25, -9.5], [-41.03033008588989, -8.969669914110089], [-40.67677669529661, -8.823223304703363], [-40.53033008588989, -8.469669914110089], [-40.0, -8.25], [-39.75, -8.353553390593278], [-39.67677669529661, -8.323223304703363], [-39.53033008588989, -7.9696699141100895], [-39.0, -7.75], [-38.75, -7.853553390593278], [-38.5, -7.75], [-38.25, -7.853553390593278], [-38.0, -7.75], [-37.46966991411011, -7.9696699141100895], [-37.32322330470339, -8.323223304703363], [-37.25, -8.353553390593278], [-37.0, -8.25], [-36.46966991411011, -8.469669914110089], [-36.25, -9.0], [-36.35355339059328, -9.25], [-36.25, -9.5], [-36.45710678118655, -10.0], [-36.25, -10.5], [-36.46966991411011, -11.030330085889911], [-37.0, -11.25], [-37.25, -11.146446609406722], [-37.5, -11.25], [-37.75, -11.146446609406722], [-38.0, -11.25], [-38.25, -11.146446609406722], [-38.5, -11.25], [-38.75, -11.146446609406722], [-39.0, -11.25], [-39.53033008588989, -11.030330085889911], [-39.67677669529661, -10.676776695296637], [-39.75, -10.646446609406722], [-40.0, -10.75], [-40.25, -10.646446609406722], [-40.5, -10.75], [-41.03033008588989, -10.530330085889911], [-41.25, -10.0], [-41.14644660940672, -9.75]]]}, "2021-02-07T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[-41.14644660940672, -9.75], [-41.25, -9.5], [-41.03033008588989, -8.969669914110089], [-40.67677669529661, -8.823223304703363], [-40.53033008588989, -8.469669914110089], [-40.0, -8.25], [-39.75, -8.353553390593278], [-39.67677669529661, -8.323223304703363], [-39.53033008588989, -7.9696699141100895], [-39.0, -7.75], [-38.75, -7.853553390593278], [-38.5, -7.75], [-38.25, -7.853553390593278], [-38.0, -7.75], [-37.46966991411011, -7.9696699141100895], [-37.32322330470339, -8.323223304703363], [-37.25, -8.353553390593278], [-37.0, -8.25], [-36.46966991411011, -8.469669914110089], [-36.25, -9.0], [-36.35355339059328, -9.25], [-36.25, -9.5], [-36.45710678118655, -10.0], [-36.25, -10.5], [-36.46966991411011, -11.030330085889911], [-37.0, -11.25], [-37.25, -11.146446609406722], [-37.5, -11.25], [-37.75, -11.146446609406722], [-38.0, -11.25], [-38.25, -11.146446609406722], [-38.5, -11.25], [-38.75, -11.146446609406722], [-39.0, -11.25], [-39.53033008588989, -11.030330085889911], [-39.67677669529661, -10.676776695296637], [-39.75, -10.646446609406722], [-40.0, -10.75], [-40.25, -10.646446609406722], [-40.5, -10.75], [-41.03033008588989, -10.530330085889911], [-41.25, -10.0], [-41.14644660940672, -9.75]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.357414008359797}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.450462904402569}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [29.620805666491947, 29.4137689764151, 30.218299114910053, 29.796537991991784]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [30.36179405436002, 30.880168831381468, 32.06899092441728, 31.231994294955598]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.0576756212152674, 2.0757609100935306, 2.875070482856254, 2.45292895801623]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.464996414428242, 3.050536520759863, 4.357414008359797, 3.50939316866004]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3156995505697608, 1.5692241171574777, 2.1557396064244942, 1.8532820574912234]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4282935171664082, 1.8786385274226893, 2.7707585525295024, 2.39007559551486]}}