{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:08:06.725819", "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": "2017-May-17_to_2017-May-19_13.5_54.0"}, "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": 2017050002203}, "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 17 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 19 2017"}, "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": 127475.02593718452}, "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": ["Czech Republic", "Germany", "Poland"]}, "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"]}, "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": 54.0}, "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": 13.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "13.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 10.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 16.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 49.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 54.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-05-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[10.25, 53.5], [10.47, 54.03], [11.0, 54.25], [11.25, 54.15], 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52.97], [10.25, 53.5]]]]}, "2017-05-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[10.25, 53.5], [10.47, 54.03], [11.0, 54.25], [11.25, 54.15], [11.32, 54.18], [11.47, 54.53], [11.82, 54.68], [11.97, 55.03], [12.5, 55.25], [12.75, 55.15], [13.0, 55.25], [13.25, 55.15], [13.5, 55.25], [13.75, 55.15], [14.0, 55.25], [14.25, 55.15], [14.5, 55.25], [14.75, 55.15], [15.0, 55.25], [15.25, 55.15], [15.5, 55.25], [15.75, 55.15], [16.0, 55.25], [16.25, 55.15], [16.5, 55.25], [17.03, 55.03], [17.25, 54.5], [17.03, 53.97], [16.5, 53.75], [16.25, 53.85], [16.18, 53.82], [16.03, 53.47], [15.68, 53.32], [15.65, 53.25], [15.75, 53.0], [15.65, 52.75], [15.75, 52.5], [15.65, 52.25], [15.75, 52.0], [15.65, 51.75], [15.75, 51.5], [15.53, 50.97], [15.18, 50.82], [15.03, 50.47], [14.68, 50.32], [14.53, 49.97], [14.0, 49.75], [13.75, 49.85], [13.68, 49.82], [13.53, 49.47], [13.0, 49.25], [12.75, 49.35], [12.5, 49.25], [11.97, 49.47], [11.75, 50.0], [11.85, 50.25], [11.82, 50.32], 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"anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.515394739982525, 6.759206786737139, 6.5922565588422515]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [7.152655498202478, 7.993857619643791, 8.742097778845846]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7707276371957859, 2.1970206877257863, 2.1007881270387183]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.282452047087098, 2.802743494034519, 2.6431409224201694]}}