{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:33:38.711381", "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": "2022-Dec-09_to_2022-Dec-11_24.5_45.0"}, "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": 2022120001877}, "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": "December 09 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 11 2022"}, "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": 66888.0768880322}, "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": ["Romania"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Mediterranean", "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": []}, "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": 45.0}, "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": 24.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "24.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 22.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 28.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 44.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 47.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-12-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.35, 45.25], [22.25, 45.5], [22.47, 46.03], [22.88, 46.2], [22.75, 46.5], [22.85, 46.75], [22.75, 47.0], [22.97, 47.53], [23.5, 47.75], [24.0, 47.54], [24.5, 47.75], [25.03, 47.53], [25.18, 47.18], [25.5, 47.04], [26.0, 47.25], [26.25, 47.15], [26.5, 47.25], [26.75, 47.15], [27.0, 47.25], [27.25, 47.15], [27.5, 47.25], [27.75, 47.15], [28.0, 47.25], [28.53, 47.03], [28.75, 46.5], [28.53, 45.97], [28.18, 45.82], [28.03, 45.47], [27.5, 45.25], [27.25, 45.35], [27.0, 45.25], [26.75, 45.35], [26.68, 45.32], [26.53, 44.97], [26.0, 44.75], [25.75, 44.85], [25.68, 44.82], [25.53, 44.47], [25.18, 44.32], [25.03, 43.97], [24.5, 43.75], [24.25, 43.85], [24.0, 43.75], [23.75, 43.85], [23.5, 43.75], [23.25, 43.85], [23.0, 43.75], [22.47, 43.97], [22.25, 44.5], [22.35, 44.75], [22.25, 45.0], [22.35, 45.25]]]]}, "2022-12-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.35, 45.25], [22.25, 45.5], [22.47, 46.03], [22.88, 46.2], [22.75, 46.5], [22.85, 46.75], [22.75, 47.0], [22.97, 47.53], [23.5, 47.75], [24.0, 47.54], [24.5, 47.75], [25.03, 47.53], [25.18, 47.18], [25.5, 47.04], [26.0, 47.25], [26.25, 47.15], [26.5, 47.25], [26.75, 47.15], [27.0, 47.25], [27.25, 47.15], [27.5, 47.25], [27.75, 47.15], [28.0, 47.25], [28.53, 47.03], [28.75, 46.5], [28.53, 45.97], [28.18, 45.82], [28.03, 45.47], [27.5, 45.25], [27.25, 45.35], [27.0, 45.25], [26.75, 45.35], [26.68, 45.32], [26.53, 44.97], [26.0, 44.75], [25.75, 44.85], [25.68, 44.82], [25.53, 44.47], [25.18, 44.32], [25.03, 43.97], [24.5, 43.75], [24.25, 43.85], [24.0, 43.75], [23.75, 43.85], [23.5, 43.75], [23.25, 43.85], [23.0, 43.75], [22.47, 43.97], [22.25, 44.5], [22.35, 44.75], [22.25, 45.0], [22.35, 45.25]]]]}, "2022-12-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.35, 45.25], [22.25, 45.5], [22.47, 46.03], [22.88, 46.2], [22.75, 46.5], [22.85, 46.75], [22.75, 47.0], [22.97, 47.53], [23.5, 47.75], [24.0, 47.54], [24.5, 47.75], [25.03, 47.53], [25.18, 47.18], [25.5, 47.04], [26.0, 47.25], [26.25, 47.15], [26.5, 47.25], [26.75, 47.15], [27.0, 47.25], [27.25, 47.15], [27.5, 47.25], [27.75, 47.15], [28.0, 47.25], [28.53, 47.03], [28.75, 46.5], [28.53, 45.97], [28.18, 45.82], [28.03, 45.47], [27.5, 45.25], [27.25, 45.35], [27.0, 45.25], [26.75, 45.35], [26.68, 45.32], [26.53, 44.97], [26.0, 44.75], [25.75, 44.85], [25.68, 44.82], [25.53, 44.47], [25.18, 44.32], [25.03, 43.97], [24.5, 43.75], [24.25, 43.85], [24.0, 43.75], [23.75, 43.85], [23.5, 43.75], [23.25, 43.85], [23.0, 43.75], [22.47, 43.97], [22.25, 44.5], [22.35, 44.75], [22.25, 45.0], [22.35, 45.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 10.110953820549469}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 6.80688280892418}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [4.603242474370234, 7.8725970951720114, 6.468221497318893]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [6.481183352483583, 10.634533017579145, 10.05023658455218]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.930563586136336, 8.347125521817265, 7.142959318818942]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.863669078043472, 10.110953820549469, 9.514502944896037]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.23097582248273, 2.0626242613870303, 1.737493462822994]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3700172921706193, 2.468128509188897, 2.2337804489760806]}}