{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:45:32.756978", "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-Aug-23_to_2010-Aug-25_37.5_51.0"}, "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": 2010080002658}, "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": "August 23 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 25 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": 58799.50086635962}, "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": ["Russian Federation"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Europe", "West&Central-Europe"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia"]}, "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": 51.0}, "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": 37.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "37.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 35.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 41.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 50.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 53.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-08-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[34.97, 50.97], [34.75, 51.5], [34.97, 52.03], [35.5, 52.25], [35.75, 52.15], [35.82, 52.18], [35.97, 52.53], [36.32, 52.68], [36.35, 52.75], [36.25, 53.0], [36.47, 53.53], [37.0, 53.75], [37.25, 53.65], [37.5, 53.75], [37.75, 53.65], [38.0, 53.75], [38.25, 53.65], [38.5, 53.75], [38.75, 53.65], [39.0, 53.75], [39.25, 53.65], [39.5, 53.75], [39.75, 53.65], [40.0, 53.75], [40.53, 53.53], [40.68, 53.18], [40.75, 53.15], [41.0, 53.25], [41.53, 53.03], [41.75, 52.5], [41.53, 51.97], [41.0, 51.75], [40.75, 51.85], [40.5, 51.75], [40.25, 51.85], [40.0, 51.75], [39.75, 51.85], [39.68, 51.82], [39.65, 51.75], [39.75, 51.5], [39.53, 50.97], [39.0, 50.75], [38.75, 50.85], [38.5, 50.75], [38.25, 50.85], [38.18, 50.82], [38.03, 50.47], [37.5, 50.25], [37.25, 50.35], [37.0, 50.25], [36.75, 50.35], [36.5, 50.25], [35.97, 50.47], [35.82, 50.82], [35.75, 50.85], [35.5, 50.75], [34.97, 50.97]]]]}, "2010-08-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[34.97, 50.97], [34.75, 51.5], [34.97, 52.03], [35.5, 52.25], [35.75, 52.15], [35.82, 52.18], [35.97, 52.53], [36.32, 52.68], [36.35, 52.75], [36.25, 53.0], [36.47, 53.53], [37.0, 53.75], [37.25, 53.65], [37.5, 53.75], [37.75, 53.65], [38.0, 53.75], [38.25, 53.65], [38.5, 53.75], [38.75, 53.65], [39.0, 53.75], [39.25, 53.65], [39.5, 53.75], [39.75, 53.65], [40.0, 53.75], [40.53, 53.53], [40.68, 53.18], [40.75, 53.15], [41.0, 53.25], [41.53, 53.03], [41.75, 52.5], [41.53, 51.97], [41.0, 51.75], [40.75, 51.85], [40.5, 51.75], [40.25, 51.85], [40.0, 51.75], [39.75, 51.85], [39.68, 51.82], [39.65, 51.75], [39.75, 51.5], [39.53, 50.97], [39.0, 50.75], [38.75, 50.85], [38.5, 50.75], [38.25, 50.85], [38.18, 50.82], [38.03, 50.47], [37.5, 50.25], [37.25, 50.35], [37.0, 50.25], [36.75, 50.35], [36.5, 50.25], [35.97, 50.47], [35.82, 50.82], [35.75, 50.85], [35.5, 50.75], [34.97, 50.97]]]]}, "2010-08-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[34.97, 50.97], [34.75, 51.5], [34.97, 52.03], [35.5, 52.25], [35.75, 52.15], [35.82, 52.18], [35.97, 52.53], [36.32, 52.68], [36.35, 52.75], [36.25, 53.0], [36.47, 53.53], [37.0, 53.75], [37.25, 53.65], [37.5, 53.75], [37.75, 53.65], [38.0, 53.75], [38.25, 53.65], [38.5, 53.75], [38.75, 53.65], [39.0, 53.75], [39.25, 53.65], [39.5, 53.75], [39.75, 53.65], [40.0, 53.75], [40.53, 53.53], [40.68, 53.18], [40.75, 53.15], [41.0, 53.25], [41.53, 53.03], [41.75, 52.5], [41.53, 51.97], [41.0, 51.75], [40.75, 51.85], [40.5, 51.75], [40.25, 51.85], [40.0, 51.75], [39.75, 51.85], [39.68, 51.82], [39.65, 51.75], [39.75, 51.5], [39.53, 50.97], [39.0, 50.75], [38.75, 50.85], [38.5, 50.75], [38.25, 50.85], [38.18, 50.82], [38.03, 50.47], [37.5, 50.25], [37.25, 50.35], [37.0, 50.25], [36.75, 50.35], [36.5, 50.25], [35.97, 50.47], [35.82, 50.82], [35.75, 50.85], [35.5, 50.75], [34.97, 50.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.99798366308994}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 6.100662923896344}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [23.137964516237332, 24.234182767020172, 24.466416748906852]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [23.80266833669731, 25.825321277696446, 26.186640038915527]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.006533293482615, 6.417220191721261, 6.878235286485163]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.6008052762070974, 7.39890948469241, 7.99798366308994]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.48704870675716, 1.9735682937546444, 2.2124926412933466]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5853428334559694, 2.316695356086225, 2.591757561271212]}}