{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:11:14.000245", "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-Jan-23_to_2020-Jan-25_298.0_15.5"}, "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": 2020010002339}, "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": "January 23 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 25 2020"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 127479.4765014062}, "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": ["Martinique", "Saint Lucia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["America", "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", "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": 15.5}, "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": 298.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "298.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 297.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 302.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 14.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 19.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "Polygon", "coordinates": [[[-63.146, 15.75], [-63.25, 16.0], [-63.03, 16.53], [-62.5, 16.75], [-62.25, 16.646], [-62.177, 16.677], [-62.146, 16.75], [-62.25, 17.0], [-62.03, 17.53], [-61.5, 17.75], [-61.25, 17.646], [-61.177, 17.677], [-61.03, 18.03], [-60.677, 18.177], [-60.53, 18.53], [-60.0, 18.75], [-59.75, 18.646], [-59.677, 18.677], [-59.53, 19.03], [-59.177, 19.177], [-59.03, 19.53], [-58.5, 19.75], [-58.25, 19.646], [-58.0, 19.75], [-57.47, 19.53], [-57.25, 19.0], [-57.354, 18.75], [-57.25, 18.5], [-57.354, 18.25], [-57.25, 18.0], [-57.47, 17.47], [-58.0, 17.25], [-58.25, 17.354], [-58.323, 17.323], [-58.47, 16.97], [-59.0, 16.75], [-59.25, 16.854], [-59.323, 16.823], [-59.47, 16.47], [-59.823, 16.323], [-59.854, 16.25], [-59.75, 16.0], [-59.854, 15.75], [-59.75, 15.5], [-59.854, 15.25], [-59.823, 15.177], [-59.75, 15.146], [-59.5, 15.25], [-58.97, 15.03], [-58.75, 14.5], [-58.97, 13.97], [-59.5, 13.75], [-59.75, 13.854], [-60.0, 13.75], [-60.25, 13.854], [-60.323, 13.823], [-60.47, 13.47], [-61.0, 13.25], [-61.53, 13.47], [-61.677, 13.823], [-61.75, 13.854], [-62.0, 13.75], [-62.53, 13.97], [-62.677, 14.323], [-63.03, 14.47], [-63.25, 15.0], [-63.146, 15.25], [-63.25, 15.5], [-63.146, 15.75]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Caribbean", "N.Atlantic-Ocean"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-01-23T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[-63.14644660940672, 15.25], [-63.25, 15.5], [-63.14644660940672, 15.75], [-63.25, 16.0], [-63.03033008588989, 16.53033008588991], [-62.5, 16.75], [-62.25, 16.646446609406723], [-62.17677669529661, 16.67677669529664], [-62.14644660940672, 16.75], [-62.25, 17.0], [-62.03033008588989, 17.53033008588991], [-61.5, 17.75], [-61.25, 17.646446609406723], [-61.17677669529661, 17.67677669529664], [-61.03033008588989, 18.03033008588991], [-60.67677669529661, 18.17677669529664], [-60.53033008588989, 18.53033008588991], [-60.0, 18.75], [-59.75, 18.646446609406723], 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anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.8103877098194014}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.88134608128479, 25.948378160790753, 25.810953529223923]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.41918468016155, 26.605530313756447, 26.419184680161663]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.8017747711060084, 0.8745833643637588, 0.7548049939884369]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.0357106568473, 1.0583019998023246, 0.9531355439681306]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7586870850499698, 1.9425254245171235, 1.6602264877355606]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.2281854880538328, 2.3230761768138293, 2.094560705253692]}}