{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:45:03.090085", "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-Jun-18_to_2010-Jun-20_328.0_73.5"}, "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": 2010060002274}, "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": "June 18 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 20 2010"}, "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": 83080.64110114837}, "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": ["Greenland"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Greenland/Iceland"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["North 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": []}, "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": 73.5}, "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": 328.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "328.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 320.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 330.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 71.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 75.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-06-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-40.25, 72.0], [-40.03, 72.53], [-39.68, 72.68], [-39.53, 73.03], [-39.0, 73.25], [-38.75, 73.15], [-38.68, 73.18], [-38.53, 73.53], [-38.0, 73.75], [-37.75, 73.65], [-37.62, 73.7], [-37.75, 74.0], [-37.53, 74.53], [-37.0, 74.75], [-36.75, 74.65], [-36.68, 74.68], [-36.53, 75.03], [-36.0, 75.25], [-35.75, 75.15], [-35.68, 75.18], [-35.53, 75.53], [-35.0, 75.75], [-34.75, 75.65], [-34.5, 75.75], [-34.25, 75.65], [-34.0, 75.75], [-33.75, 75.65], [-33.5, 75.75], [-33.25, 75.65], [-33.0, 75.75], [-32.47, 75.53], [-32.32, 75.18], [-32.25, 75.15], [-32.0, 75.25], [-31.75, 75.15], [-31.5, 75.25], [-31.25, 75.15], [-31.0, 75.25], [-30.75, 75.15], [-30.5, 75.25], [-30.25, 75.15], [-30.0, 75.25], [-29.47, 75.03], [-29.25, 74.5], [-29.47, 73.97], [-29.82, 73.82], [-29.97, 73.47], [-30.5, 73.25], [-30.75, 73.35], [-30.82, 73.32], [-30.85, 73.25], [-30.75, 73.0], [-30.85, 72.75], [-30.75, 72.5], [-30.97, 71.97], [-31.5, 71.75], [-31.75, 71.85], [-31.82, 71.82], [-31.97, 71.47], [-32.5, 71.25], [-32.75, 71.35], [-33.0, 71.25], [-33.25, 71.35], [-33.5, 71.25], [-33.75, 71.35], [-34.0, 71.25], [-34.25, 71.35], [-34.5, 71.25], [-34.75, 71.35], [-35.0, 71.25], [-35.25, 71.35], [-35.5, 71.25], [-35.75, 71.35], [-35.82, 71.32], [-35.97, 70.97], [-36.5, 70.75], [-36.75, 70.85], [-37.0, 70.75], [-37.25, 70.85], [-37.5, 70.75], [-37.75, 70.85], [-38.0, 70.75], [-38.5, 70.96], [-39.0, 70.75], [-39.53, 70.97], [-39.68, 71.32], [-40.03, 71.47], [-40.25, 72.0]]]]}, "2010-06-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-40.25, 72.0], [-40.03, 72.53], [-39.68, 72.68], [-39.53, 73.03], [-39.0, 73.25], [-38.75, 73.15], [-38.68, 73.18], [-38.53, 73.53], [-38.0, 73.75], [-37.75, 73.65], [-37.62, 73.7], [-37.75, 74.0], [-37.53, 74.53], [-37.0, 74.75], [-36.75, 74.65], [-36.68, 74.68], [-36.53, 75.03], [-36.0, 75.25], [-35.75, 75.15], [-35.68, 75.18], [-35.53, 75.53], [-35.0, 75.75], [-34.75, 75.65], [-34.5, 75.75], [-34.25, 75.65], [-34.0, 75.75], [-33.75, 75.65], [-33.5, 75.75], [-33.25, 75.65], [-33.0, 75.75], [-32.47, 75.53], [-32.32, 75.18], [-32.25, 75.15], [-32.0, 75.25], [-31.75, 75.15], [-31.5, 75.25], [-31.25, 75.15], [-31.0, 75.25], [-30.75, 75.15], [-30.5, 75.25], [-30.25, 75.15], [-30.0, 75.25], [-29.47, 75.03], [-29.25, 74.5], [-29.47, 73.97], [-29.82, 73.82], [-29.97, 73.47], [-30.5, 73.25], [-30.75, 73.35], [-30.82, 73.32], [-30.85, 73.25], [-30.75, 73.0], [-30.85, 72.75], [-30.75, 72.5], [-30.97, 71.97], [-31.5, 71.75], [-31.75, 71.85], [-31.82, 71.82], [-31.97, 71.47], [-32.5, 71.25], [-32.75, 71.35], [-33.0, 71.25], [-33.25, 71.35], [-33.5, 71.25], [-33.75, 71.35], [-34.0, 71.25], [-34.25, 71.35], [-34.5, 71.25], [-34.75, 71.35], [-35.0, 71.25], [-35.25, 71.35], [-35.5, 71.25], [-35.75, 71.35], [-35.82, 71.32], [-35.97, 70.97], [-36.5, 70.75], [-36.75, 70.85], [-37.0, 70.75], [-37.25, 70.85], [-37.5, 70.75], [-37.75, 70.85], [-38.0, 70.75], [-38.5, 70.96], [-39.0, 70.75], [-39.53, 70.97], [-39.68, 71.32], [-40.03, 71.47], [-40.25, 72.0]]]]}, "2010-06-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-40.25, 72.0], [-40.03, 72.53], [-39.68, 72.68], [-39.53, 73.03], [-39.0, 73.25], [-38.75, 73.15], [-38.68, 73.18], [-38.53, 73.53], [-38.0, 73.75], [-37.75, 73.65], [-37.62, 73.7], [-37.75, 74.0], [-37.53, 74.53], [-37.0, 74.75], [-36.75, 74.65], [-36.68, 74.68], [-36.53, 75.03], [-36.0, 75.25], [-35.75, 75.15], [-35.68, 75.18], [-35.53, 75.53], [-35.0, 75.75], [-34.75, 75.65], [-34.5, 75.75], [-34.25, 75.65], [-34.0, 75.75], [-33.75, 75.65], [-33.5, 75.75], [-33.25, 75.65], [-33.0, 75.75], [-32.47, 75.53], [-32.32, 75.18], [-32.25, 75.15], [-32.0, 75.25], [-31.75, 75.15], [-31.5, 75.25], [-31.25, 75.15], [-31.0, 75.25], [-30.75, 75.15], [-30.5, 75.25], [-30.25, 75.15], [-30.0, 75.25], [-29.47, 75.03], [-29.25, 74.5], [-29.47, 73.97], [-29.82, 73.82], [-29.97, 73.47], [-30.5, 73.25], [-30.75, 73.35], [-30.82, 73.32], [-30.85, 73.25], [-30.75, 73.0], [-30.85, 72.75], [-30.75, 72.5], [-30.97, 71.97], [-31.5, 71.75], [-31.75, 71.85], [-31.82, 71.82], 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t2m", "description": "The daily evolution of maximum t2m.", "value": [-7.004015878775078, -5.2885303996449124, -7.406804302535932]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [6.039961092011797, 6.9204645489168595, 4.387131919461761]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [7.390354231711854, 7.758692092720082, 4.956687521342019]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.864003443789049, 2.203268691967708, 1.4135986772986162]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.0729691432401616, 2.391942188157247, 1.605283027450224]}}