{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:45:17.182297", "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": "2010-Jul-16_to_2010-Jul-21_340.0_63.5"}, "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": 2010070002417}, "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": "July 16 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 21 2010"}, "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": 101937.18038426204}, "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": ["Iceland"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Greenland/Iceland", "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": 63.5}, "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": 340.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "340.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 337.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 344.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 60.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 64.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-07-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-22.75, 63.0], [-22.53, 63.53], [-22.0, 63.75], [-21.57, 63.57], [-21.75, 64.0], [-21.53, 64.53], [-21.0, 64.75], [-20.47, 64.53], [-20.32, 64.18], [-20.25, 64.15], [-20.0, 64.25], [-19.75, 64.15], [-19.5, 64.25], [-19.25, 64.15], [-19.0, 64.25], [-18.75, 64.15], [-18.5, 64.25], [-18.25, 64.15], [-18.0, 64.25], [-17.47, 64.03], [-17.25, 63.5], [-17.47, 62.97], [-18.0, 62.75], [-18.25, 62.85], [-18.32, 62.82], [-18.47, 62.47], [-18.82, 62.32], [-18.85, 62.25], [-18.82, 62.18], [-18.47, 62.03], [-18.25, 61.5], [-18.47, 60.97], [-19.0, 60.75], [-19.25, 60.85], [-19.5, 60.75], [-19.75, 60.85], [-20.0, 60.75], [-20.25, 60.85], [-20.5, 60.75], [-21.03, 60.97], [-21.18, 61.32], [-21.53, 61.47], [-21.68, 61.82], [-22.03, 61.97], [-22.18, 62.32], [-22.53, 62.47], [-22.75, 63.0]], [[-21.12, 63.2], [-21.18, 63.32], [-21.43, 63.43], [-21.32, 63.18], [-21.25, 63.15], [-21.12, 63.2]]]]}, "2010-07-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-23.25, 63.0], [-23.03, 63.53], [-22.62, 63.7], [-22.75, 64.0], [-22.65, 64.25], [-22.75, 64.5], [-22.53, 65.03], [-22.0, 65.25], [-21.75, 65.15], [-21.5, 65.25], [-21.25, 65.15], [-21.0, 65.25], [-20.75, 65.15], [-20.5, 65.25], [-19.97, 65.03], [-19.82, 64.68], [-19.75, 64.65], [-19.5, 64.75], [-19.25, 64.65], [-19.0, 64.75], [-18.75, 64.65], [-18.5, 64.75], [-18.25, 64.65], [-18.0, 64.75], [-17.75, 64.65], [-17.5, 64.75], [-16.97, 64.53], [-16.75, 64.0], [-16.87, 63.7], [-16.75, 63.65], [-16.5, 63.75], [-15.97, 63.53], [-15.75, 63.0], [-15.85, 62.75], [-15.75, 62.5], [-15.85, 62.25], [-15.75, 62.0], [-15.85, 61.75], [-15.82, 61.68], [-15.47, 61.53], [-15.25, 61.0], [-15.47, 60.47], [-16.0, 60.25], [-16.25, 60.35], [-16.5, 60.25], [-17.03, 60.47], [-17.18, 60.82], [-17.25, 60.85], [-17.5, 60.75], [-17.75, 60.85], [-18.0, 60.75], [-18.25, 60.85], [-18.5, 60.75], [-18.75, 60.85], [-19.0, 60.75], [-19.25, 60.85], [-19.5, 60.75], [-19.75, 60.85], [-20.0, 60.75], [-20.25, 60.85], [-20.5, 60.75], [-20.75, 60.85], [-21.0, 60.75], [-21.53, 60.97], [-21.68, 61.32], [-21.75, 61.35], [-22.0, 61.25], [-22.53, 61.47], [-22.75, 62.0], [-22.65, 62.25], [-22.68, 62.32], [-23.03, 62.47], [-23.25, 63.0]], [[-21.18, 63.32], [-21.25, 63.35], [-21.37, 63.3], [-21.32, 63.18], [-21.25, 63.15], [-21.12, 63.2], [-21.18, 63.32]]]]}, "2010-07-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-23.25, 63.0], [-23.03, 63.53], [-22.62, 63.7], [-22.75, 64.0], [-22.65, 64.25], [-22.75, 64.5], [-22.53, 65.03], [-22.0, 65.25], [-21.75, 65.15], [-21.5, 65.25], [-21.25, 65.15], [-21.0, 65.25], [-20.75, 65.15], [-20.5, 65.25], [-19.97, 65.03], [-19.82, 64.68], [-19.75, 64.65], [-19.5, 64.75], [-19.25, 64.65], [-19.0, 64.75], [-18.75, 64.65], [-18.5, 64.75], [-18.25, 64.65], [-18.0, 64.75], [-17.75, 64.65], [-17.5, 64.75], [-16.97, 64.53], [-16.75, 64.0], [-16.87, 63.7], [-16.75, 63.65], [-16.5, 63.75], [-15.97, 63.53], [-15.75, 63.0], [-15.85, 62.75], [-15.75, 62.5], [-15.85, 62.25], [-15.75, 62.0], [-15.85, 61.75], [-15.82, 61.68], [-15.47, 61.53], [-15.25, 61.0], [-15.47, 60.47], [-16.0, 60.25], [-16.25, 60.35], [-16.5, 60.25], [-17.03, 60.47], [-17.18, 60.82], [-17.25, 60.85], [-17.5, 60.75], [-17.75, 60.85], [-18.0, 60.75], [-18.25, 60.85], [-18.5, 60.75], [-18.75, 60.85], [-19.0, 60.75], [-19.25, 60.85], [-19.32, 60.82], [-19.47, 60.47], [-20.0, 60.25], [-20.53, 60.47], [-20.68, 60.82], [-20.75, 60.85], [-21.0, 60.75], [-21.53, 60.97], [-21.68, 61.32], [-21.75, 61.35], [-22.0, 61.25], [-22.53, 61.47], [-22.75, 62.0], [-22.65, 62.25], [-22.68, 62.32], [-23.03, 62.47], [-23.25, 63.0]]]]}, "2010-07-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-23.25, 63.0], [-23.03, 63.53], [-22.62, 63.7], [-22.75, 64.0], [-22.65, 64.25], [-22.75, 64.5], [-22.53, 65.03], [-22.0, 65.25], [-21.75, 65.15], [-21.5, 65.25], [-21.25, 65.15], [-21.0, 65.25], [-20.75, 65.15], [-20.5, 65.25], [-19.97, 65.03], [-19.82, 64.68], [-19.75, 64.65], [-19.5, 64.75], [-19.25, 64.65], [-19.0, 64.75], [-18.75, 64.65], [-18.5, 64.75], [-18.25, 64.65], [-18.0, 64.75], [-17.75, 64.65], [-17.5, 64.75], [-16.97, 64.53], [-16.75, 64.0], [-16.87, 63.7], [-16.75, 63.65], [-16.5, 63.75], [-15.97, 63.53], [-15.75, 63.0], [-15.85, 62.75], [-15.75, 62.5], [-15.85, 62.25], [-15.75, 62.0], [-15.85, 61.75], [-15.82, 61.68], [-15.47, 61.53], [-15.25, 61.0], [-15.47, 60.47], [-16.0, 60.25], [-16.25, 60.35], [-16.5, 60.25], [-17.03, 60.47], [-17.18, 60.82], [-17.25, 60.85], [-17.5, 60.75], [-17.75, 60.85], [-18.0, 60.75], [-18.25, 60.85], [-18.5, 60.75], [-18.75, 60.85], [-19.0, 60.75], [-19.25, 60.85], [-19.32, 60.82], [-19.47, 60.47], [-20.0, 60.25], [-20.53, 60.47], [-20.68, 60.82], [-20.75, 60.85], [-21.0, 60.75], [-21.53, 60.97], [-21.68, 61.32], [-21.75, 61.35], [-22.0, 61.25], [-22.53, 61.47], [-22.75, 62.0], [-22.65, 62.25], [-22.68, 62.32], [-23.03, 62.47], [-23.25, 63.0]]]]}, "2010-07-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-22.03, 64.03], [-21.68, 64.18], [-21.53, 64.53], [-21.0, 64.75], [-20.47, 64.53], [-20.32, 64.18], [-20.25, 64.15], [-20.18, 64.18], [-20.03, 64.53], [-19.5, 64.75], [-19.25, 64.65], [-19.0, 64.75], [-18.75, 64.65], [-18.5, 64.75], [-18.25, 64.65], [-18.0, 64.75], [-17.75, 64.65], [-17.5, 64.75], [-16.97, 64.53], [-16.75, 64.0], [-16.96, 63.5], [-16.75, 63.0], [-16.97, 62.47], [-17.32, 62.32], [-17.47, 61.97], [-17.82, 61.82], [-17.97, 61.47], [-18.32, 61.32], [-18.47, 60.97], [-19.0, 60.75], [-19.25, 60.85], [-19.32, 60.82], [-19.47, 60.47], [-20.0, 60.25], [-20.53, 60.47], [-20.68, 60.82], [-21.03, 60.97], [-21.18, 61.32], [-21.53, 61.47], [-21.75, 62.0], [-21.65, 62.25], [-21.68, 62.32], [-22.03, 62.47], [-22.25, 63.0], [-22.15, 63.25], [-22.25, 63.5], [-22.03, 64.03]]]]}, "2010-07-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-21.25, 63.5], [-21.03, 64.03], [-20.5, 64.25], [-20.25, 64.15], [-20.0, 64.25], [-19.47, 64.03], [-19.32, 63.68], [-19.25, 63.65], [-19.0, 63.75], [-18.75, 63.65], [-18.68, 63.68], [-18.53, 64.03], [-18.0, 64.25], [-17.47, 64.03], [-17.25, 63.5], [-17.35, 63.25], [-17.25, 63.0], [-17.35, 62.75], [-17.25, 62.5], [-17.47, 61.97], [-18.0, 61.75], [-18.25, 61.85], [-18.5, 61.75], [-18.75, 61.85], [-19.0, 61.75], [-19.53, 61.97], [-19.68, 62.32], [-19.75, 62.35], [-20.0, 62.25], [-20.53, 62.47], [-20.68, 62.82], [-21.03, 62.97], [-21.25, 63.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.8989417026858746}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.8183993513440888}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [12.488022257344824, 12.735644985919691, 13.074546750641616, 13.139036516405952, 12.732264080312461, 12.870551570119858]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [14.236305607016618, 15.257691911734128, 16.148589768735064, 15.110417942947493, 13.852853452317959, 13.425708333225657]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.5334854900705355, 1.7433832250682013, 2.0047011962767005, 1.9680109839858053, 1.629962892927518, 1.36105311743066]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.5088450000629905, 3.0173803043170437, 3.8989417026858746, 3.181781884748716, 2.706939386563249, 1.5501107515894432]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6230647132658391, 1.624795760522515, 1.8457253396555353, 1.8672622137497465, 1.5844867099217619, 1.461865749794756]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.4288764614464022, 2.3707588448290826, 2.5743121793155885, 2.405950878519596, 1.8311055721126894, 1.6970434094026998]}}