{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:02:34.087419", "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": "2015-Mar-05_to_2015-Mar-07_357.5_57.5"}, "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": 2015030001416}, "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": "March 05 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 07 2015"}, "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": 72260.03567583309}, "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": ["United Kingdom"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Europe"]}, "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": ["Inner Seas off the West Coast of Scotland", "North Atlantic Ocean", "North 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": 57.5}, "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": 357.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "357.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 353.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 361.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 55.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 60.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-03-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-6.65, 57.25], [-6.75, 57.5], [-6.53, 58.03], [-6.0, 58.25], 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[-5.53, 55.47], [-5.68, 55.82], [-5.75, 55.85], [-6.0, 55.75], [-6.53, 55.97], [-6.75, 56.5], [-6.65, 56.75], [-6.75, 57.0], [-6.65, 57.25]], [[-4.68, 56.82], [-4.8, 56.88], [-4.85, 56.75], [-4.82, 56.68], [-4.75, 56.65], [-4.68, 56.68], [-4.65, 56.75], [-4.68, 56.82]]]]}, "2015-03-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-6.65, 57.25], [-6.75, 57.5], [-6.53, 58.03], [-6.0, 58.25], [-5.47, 58.03], [-5.32, 57.68], [-5.2, 57.62], [-5.15, 57.75], [-5.25, 58.0], [-5.15, 58.25], [-5.25, 58.5], [-5.03, 59.03], [-4.5, 59.25], [-4.25, 59.15], [-4.18, 59.18], [-4.03, 59.53], [-3.5, 59.75], [-2.97, 59.53], [-2.82, 59.18], [-2.75, 59.15], [-2.5, 59.25], [-2.25, 59.15], [-2.18, 59.18], [-2.15, 59.25], [-2.25, 59.5], [-2.03, 60.03], [-1.68, 60.18], [-1.53, 60.53], [-1.0, 60.75], [-0.5, 60.54], [0.0, 60.75], [0.25, 60.65], [0.5, 60.75], [0.75, 60.65], [1.0, 60.75], [1.25, 60.65], [1.5, 60.75], [2.03, 60.53], [2.25, 60.0], [2.03, 59.47], [1.5, 59.25], [1.25, 59.35], [1.0, 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"description": "The daily evolution of maximum t2m anomalies.", "value": [4.059362767556593, 3.7541337037728226, 7.042813520823131]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2674425292417875, 1.2804384545049723, 2.322285874938725]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4858343697814387, 1.5738728381351634, 3.0088261801657143]}}