{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:20:03.270210", "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": "2020-Dec-13_to_2020-Dec-18_295.5_10.5"}, "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": 2020120002206}, "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": "December 13 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 18 2020"}, "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": 69718.08908522452}, "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": ["Venezuela, Bolivarian Republic of"]}, "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": ["Caribbean Sea"]}, "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": 10.5}, "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": 295.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "295.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 293.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 296.0}, "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": 12.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "Polygon", "coordinates": [[[-65.5, 9.75], [-65.75, 9.854], [-66.0, 9.75], [-66.53, 9.97], [-66.677, 10.323], [-66.75, 10.354], [-67.0, 10.25], [-67.53, 10.47], [-67.75, 11.0], [-67.646, 11.25], [-67.75, 11.5], [-67.53, 12.03], [-67.177, 12.177], [-67.03, 12.53], [-66.5, 12.75], [-66.25, 12.646], [-66.0, 12.75], [-65.75, 12.646], [-65.5, 12.75], [-65.25, 12.646], [-65.0, 12.75], [-64.75, 12.646], [-64.5, 12.75], [-63.97, 12.53], [-63.823, 12.177], [-63.47, 12.03], [-63.25, 11.5], [-63.354, 11.25], [-63.25, 11.0], [-63.47, 10.47], [-63.823, 10.323], [-63.97, 9.97], [-64.5, 9.75], [-64.75, 9.854], [-65.0, 9.75], [-65.25, 9.854], [-65.5, 9.75]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Caribbean", "N.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-12-13T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[-64.75, 9.853553390593278], [-65.0, 9.75], [-65.53033008588989, 9.969669914110089], [-65.75, 10.5], [-65.53033008588989, 11.030330085889911], [-65.0, 11.25], [-64.75, 11.146446609406722], [-64.5, 11.25], [-63.96966991411011, 11.030330085889911], [-63.75, 10.5], [-63.96966991411011, 9.969669914110089], [-64.5, 9.75], [-64.75, 9.853553390593278]]]}, "2020-12-14T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[-66.17677669529661, 10.823223304703363], [-66.53033008588989, 10.969669914110089], [-66.75, 11.5], [-66.53033008588989, 12.030330085889911], [-66.0, 12.25], [-65.46966991411011, 12.030330085889911], [-65.32322330470339, 11.676776695296637], [-64.96966991411011, 11.530330085889911], [-64.82322330470339, 11.176776695296637], [-64.75, 11.146446609406722], [-64.5, 11.25], [-63.96966991411011, 11.030330085889911], [-63.75, 10.5], [-63.96966991411011, 9.969669914110089], [-64.5, 9.75], [-64.75, 9.853553390593278], [-65.0, 9.75], [-65.53033008588989, 9.969669914110089], [-65.67677669529661, 10.323223304703363], [-66.03033008588989, 10.469669914110089], [-66.17677669529661, 10.823223304703363]]]}, "2020-12-15T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[-67.64644660940672, 11.25], [-67.75, 11.5], [-67.53033008588989, 12.030330085889911], [-67.17677669529661, 12.176776695296637], [-67.03033008588989, 12.530330085889911], [-66.5, 12.75], [-65.96966991411011, 12.530330085889911], [-65.82322330470339, 12.176776695296637], [-65.75, 12.146446609406722], [-65.5, 12.25], [-65.25, 12.146446609406722], [-65.0, 12.25], [-64.75, 12.146446609406722], [-64.5, 12.25], [-64.25, 12.146446609406722], [-64.0, 12.25], [-63.46966991411011, 12.030330085889911], [-63.25, 11.5], [-63.35355339059328, 11.25], [-63.25, 11.0], [-63.46966991411011, 10.469669914110089], [-63.82322330470339, 10.323223304703363], [-63.96966991411011, 9.969669914110089], [-64.5, 9.75], [-64.75, 9.853553390593278], [-65.0, 9.75], [-65.25, 9.853553390593278], [-65.5, 9.75], [-65.75, 9.853553390593278], [-66.0, 9.75], [-66.53033008588989, 9.969669914110089], [-66.67677669529661, 10.323223304703363], [-66.75, 10.353553390593278], [-67.0, 10.25], [-67.53033008588989, 10.469669914110089], [-67.75, 11.0], [-67.64644660940672, 11.25]]]}, "2020-12-16T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[-67.64644660940672, 11.25], [-67.75, 11.5], [-67.53033008588989, 12.030330085889911], [-67.17677669529661, 12.176776695296637], [-67.03033008588989, 12.530330085889911], [-66.5, 12.75], [-66.25, 12.646446609406722], [-66.0, 12.75], [-65.75, 12.646446609406722], [-65.5, 12.75], [-65.25, 12.646446609406722], [-65.0, 12.75], [-64.75, 12.646446609406722], [-64.5, 12.75], [-63.96966991411011, 12.530330085889911], [-63.82322330470339, 12.176776695296637], [-63.46966991411011, 12.030330085889911], [-63.25, 11.5], [-63.35355339059328, 11.25], [-63.25, 11.0], [-63.46966991411011, 10.469669914110089], [-63.82322330470339, 10.323223304703363], [-63.96966991411011, 9.969669914110089], [-64.5, 9.75], [-64.75, 9.853553390593278], [-65.0, 9.75], [-65.25, 9.853553390593278], [-65.5, 9.75], [-65.75, 9.853553390593278], [-66.0, 9.75], [-66.53033008588989, 9.969669914110089], [-66.67677669529661, 10.323223304703363], [-66.75, 10.353553390593278], [-67.0, 10.25], [-67.53033008588989, 10.469669914110089], [-67.75, 11.0], [-67.64644660940672, 11.25]]]}, "2020-12-17T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[-67.64644660940672, 11.25], [-67.75, 11.5], [-67.53033008588989, 12.030330085889911], [-67.17677669529661, 12.176776695296637], [-67.03033008588989, 12.530330085889911], [-66.5, 12.75], [-66.25, 12.646446609406722], [-66.0, 12.75], [-65.75, 12.646446609406722], [-65.5, 12.75], [-65.25, 12.646446609406722], [-65.0, 12.75], [-64.75, 12.646446609406722], [-64.5, 12.75], [-63.96966991411011, 12.530330085889911], [-63.82322330470339, 12.176776695296637], [-63.46966991411011, 12.030330085889911], [-63.25, 11.5], [-63.35355339059328, 11.25], [-63.25, 11.0], [-63.46966991411011, 10.469669914110089], [-63.82322330470339, 10.323223304703363], [-63.96966991411011, 9.969669914110089], [-64.5, 9.75], [-64.75, 9.853553390593278], [-65.0, 9.75], [-65.25, 9.853553390593278], [-65.5, 9.75], [-65.75, 9.853553390593278], [-66.0, 9.75], [-66.53033008588989, 9.969669914110089], [-66.67677669529661, 10.323223304703363], [-66.75, 10.353553390593278], [-67.0, 10.25], [-67.53033008588989, 10.469669914110089], [-67.75, 11.0], [-67.64644660940672, 11.25]]]}, "2020-12-18T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[-67.64644660940672, 11.25], [-67.75, 11.5], [-67.53033008588989, 12.030330085889911], [-67.17677669529661, 12.176776695296637], [-67.03033008588989, 12.530330085889911], [-66.5, 12.75], [-66.25, 12.646446609406722], [-66.0, 12.75], [-65.75, 12.646446609406722], [-65.5, 12.75], [-65.25, 12.646446609406722], [-65.0, 12.75], [-64.75, 12.646446609406722], [-64.5, 12.75], [-63.96966991411011, 12.530330085889911], [-63.82322330470339, 12.176776695296637], [-63.46966991411011, 12.030330085889911], [-63.25, 11.5], [-63.46966991411011, 10.969669914110089], [-63.82322330470339, 10.823223304703363], [-63.85355339059328, 10.75], [-63.75, 10.5], [-63.96966991411011, 9.969669914110089], [-64.5, 9.75], [-64.75, 9.853553390593278], [-65.0, 9.75], [-65.25, 9.853553390593278], [-65.5, 9.75], [-65.75, 9.853553390593278], [-66.0, 9.75], [-66.53033008588989, 9.969669914110089], [-66.67677669529661, 10.323223304703363], [-66.75, 10.353553390593278], [-67.0, 10.25], [-67.53033008588989, 10.469669914110089], [-67.75, 11.0], [-67.64644660940672, 11.25]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.148203571120348}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.7949781261377211}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.422525119694683, 26.58398660688772, 26.67307972684864, 26.735191890903593, 26.75599625794581, 26.94591576569735]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.47431778945935, 26.83207947880902, 26.951554995583024, 26.943177747328434, 27.1232220987053, 27.29369245207687]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.6751525702026413, 0.6486377330535333, 0.7291058194227426, 0.7431715647432324, 0.7769188566858568, 0.9624099725585221]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.7009740314213673, 0.7105220856201413, 0.8459805602377628, 0.9232828917250799, 0.9790483681980504, 1.148203571120348]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3023415370412057, 1.2942608433654983, 1.4618677525081392, 1.4945975209883289, 1.5719425637822078, 1.8888084749627831]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.39653801844493, 1.413764425957463, 1.5917039990966577, 1.9845045419256553, 1.9023295710371473, 2.2306191737724803]}}