{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:56:29.016180", "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": "2014-May-14_to_2014-May-17_350.0_40.0"}, "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": 2014050002065}, "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": "May 14 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 17 2014"}, "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": 141962.3008090778}, "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": ["Portugal", "Spain"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Mediterranean", "N.Atlantic-Ocean"]}, "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": ["North Atlantic Ocean"]}, "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": 40.0}, "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": 350.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "350.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 347.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 351.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 37.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 43.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-05-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-12.15, 38.25], [-12.25, 38.5], [-12.15, 38.75], [-12.25, 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[-11.68, 41.68], [-11.53, 42.03], [-11.18, 42.18], [-11.03, 42.53], [-10.68, 42.68], [-10.53, 43.03], [-10.0, 43.25], [-9.75, 43.15], [-9.68, 43.18], [-9.53, 43.53], [-9.0, 43.75], [-8.47, 43.53], [-8.25, 43.0], [-8.35, 42.75], [-8.25, 42.5], [-8.37, 42.2], [-7.97, 42.03], [-7.75, 41.5], [-7.96, 41.0], [-7.75, 40.5], [-7.85, 40.25], [-7.75, 40.0], [-7.97, 39.47], [-8.32, 39.32], [-8.47, 38.97], [-9.0, 38.75], [-9.25, 38.85], [-9.32, 38.82], [-9.35, 38.75], [-9.25, 38.5], [-9.35, 38.25], [-9.25, 38.0], [-9.47, 37.47], [-9.82, 37.32], [-9.97, 36.97], [-10.5, 36.75], [-10.75, 36.85], [-11.0, 36.75], [-11.25, 36.85], [-11.5, 36.75], [-12.03, 36.97], [-12.18, 37.32], [-12.53, 37.47], [-12.75, 38.0], [-12.65, 38.25], [-12.75, 38.5], [-12.65, 38.75]]]]}, "2014-05-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-12.65, 38.75], [-12.75, 39.0], [-12.65, 39.25], [-12.75, 39.5], [-12.65, 39.75], [-12.75, 40.0], [-12.65, 40.25], [-12.75, 40.5], [-12.53, 41.03], [-12.18, 41.18], [-12.03, 41.53], [-11.68, 41.68], [-11.53, 42.03], [-11.18, 42.18], [-11.03, 42.53], [-10.68, 42.68], [-10.53, 43.03], [-10.0, 43.25], [-9.75, 43.15], [-9.68, 43.18], [-9.53, 43.53], [-9.0, 43.75], [-8.47, 43.53], [-8.25, 43.0], [-8.35, 42.75], [-8.25, 42.5], [-8.37, 42.2], [-7.97, 42.03], [-7.75, 41.5], [-7.96, 41.0], [-7.75, 40.5], [-7.85, 40.25], [-7.75, 40.0], [-7.97, 39.47], [-8.32, 39.32], [-8.47, 38.97], [-9.0, 38.75], [-9.25, 38.85], [-9.32, 38.82], [-9.35, 38.75], [-9.25, 38.5], [-9.35, 38.25], [-9.25, 38.0], [-9.47, 37.47], [-9.82, 37.32], [-9.97, 36.97], [-10.5, 36.75], [-10.75, 36.85], [-11.0, 36.75], [-11.25, 36.85], [-11.5, 36.75], [-12.03, 36.97], [-12.18, 37.32], [-12.53, 37.47], [-12.75, 38.0], [-12.65, 38.25], [-12.75, 38.5], [-12.65, 38.75]]]]}, "2014-05-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-12.65, 38.75], [-12.75, 39.0], [-12.65, 39.25], [-12.75, 39.5], [-12.65, 39.75], [-12.75, 40.0], [-12.65, 40.25], [-12.75, 40.5], [-12.53, 41.03], 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anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.349216577823076}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [17.95487460011742, 18.229176998350113, 17.927132629111668, 17.58065642095795]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [21.913117213764338, 23.50557515240581, 22.269548139330084, 20.19779831627733]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.3195993109936417, 2.689167700284504, 2.345988448349663, 2.008539373541604]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.0449071291332075, 7.402501664260228, 5.5906015292846405, 4.1650952597619835]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.8036718585169735, 2.117295825799828, 1.8811093329539548, 1.7376210564513326]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.456312214374369, 2.630275671626652, 2.4311449287892466, 2.0903410431222516]}}