{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:11:36.196404", "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-Feb-11_to_2020-Feb-14_343.5_28.0"}, "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": 2020020001705}, "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 11 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 14 2020"}, "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": 52055.0134796494}, "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": ["Spain"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Europe"]}, "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", "Canary Ridge"]}, "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": 28.0}, "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": 343.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "343.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 341.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 344.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 26.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 28.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "Polygon", "coordinates": [[[-18.5, 28.25], [-18.251, 28.146], [-18.25, 28.146], [-18.177, 28.177], [-18.03, 28.53], [-17.677, 28.677], [-17.53, 29.03], [-17.0, 29.25], [-16.75, 29.146], [-16.5, 29.25], [-15.97, 29.03], [-15.823, 28.677], [-15.751, 28.646], [-15.75, 28.646], [-15.5, 28.75], [-14.97, 28.53], [-14.75, 28.0], [-14.854, 27.75], [-14.75, 27.5], [-14.97, 26.97], [-15.5, 26.75], [-15.75, 26.854], [-16.0, 26.75], [-16.249, 26.854], [-16.25, 26.854], [-16.323, 26.823], [-16.47, 26.47], [-16.823, 26.323], [-16.97, 25.97], [-17.5, 25.75], [-18.03, 25.97], [-18.177, 26.323], [-18.25, 26.354], [-18.5, 26.25], [-19.03, 26.47], [-19.25, 27.0], [-19.146, 27.25], [-19.25, 27.5], [-19.03, 28.03], [-18.5, 28.25]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Sahara"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-02-11T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[-18.17677669529661, 26.82322330470336], [-18.530330085889887, 26.96966991411009], [-18.75, 27.5], 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evolution of maximum t2m.", "value": [20.090304439014346, 20.285205469286723, 20.4542557520885, 20.686640366193444]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.6738472481707494, 1.8409258278276004, 1.902146609830631, 2.0260307333046343]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.4425878912268217, 3.2177275160701697, 2.957468955723982, 2.914892812347432]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5123134801277909, 1.6597721118024449, 1.6898062083033822, 1.7907546175100542]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.853092871429373, 2.2056825484772946, 2.0001298821761337, 2.1622250047235445]}}