{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:52:27.481508", "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": "2013-Jan-03_to_2013-Jan-05_9.5_55.5"}, "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": 2013010001317}, "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": "January 03 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 05 2013"}, "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": 108913.29378947367}, "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": ["Denmark", "Germany"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Europe", "West&Central-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": ["Baltic Sea", "Kattegat", "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": 55.5}, "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": 9.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "9.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 8.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 13.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 51.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 56.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-01-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[8.35, 53.25], [8.25, 53.5], [8.35, 53.75], [8.25, 54.0], [8.35, 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"2013-01-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[8.35, 53.25], [8.25, 53.5], [8.35, 53.75], [8.25, 54.0], [8.35, 54.25], [8.25, 54.5], [8.35, 54.75], [8.25, 55.0], [8.35, 55.25], [8.25, 55.5], [8.35, 55.75], [8.25, 56.0], [8.47, 56.53], [9.0, 56.75], [9.25, 56.65], [9.5, 56.75], [10.03, 56.53], [10.18, 56.18], [10.53, 56.03], [10.75, 55.5], [10.65, 55.25], [10.75, 55.0], [10.65, 54.75], [10.68, 54.68], [10.75, 54.65], [11.0, 54.75], [11.25, 54.65], [11.5, 54.75], [11.75, 54.65], [12.0, 54.75], [12.25, 54.65], [12.5, 54.75], [13.03, 54.53], [13.18, 54.18], [13.53, 54.03], [13.68, 53.68], [14.03, 53.53], [14.25, 53.0], [14.15, 52.75], [14.25, 52.5], [14.15, 52.25], [14.25, 52.0], [14.03, 51.47], [13.5, 51.25], [13.25, 51.35], [13.0, 51.25], [12.75, 51.35], [12.5, 51.25], [12.25, 51.35], [12.0, 51.25], [11.75, 51.35], [11.68, 51.32], [11.53, 50.97], [11.0, 50.75], [10.75, 50.85], [10.5, 50.75], [10.25, 50.85], [10.0, 50.75], [9.47, 50.97], [9.25, 51.5], [9.35, 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anomalies.", "value": [6.605727455407038, 6.833243202618362, 5.7549464737740985]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [7.215165500597379, 8.314906329004032, 6.801052163486986]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2487732877832656, 1.3211843841795787, 1.1146710362193473]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.409439512493358, 1.4772988574582069, 1.2212676911571752]}}