{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:00:23.194343", "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": "2024-Jul-31_to_2024-Aug-03_82.5_54.5"}, "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": 2024070002931}, "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": "July 31 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 03 2024"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 69072.87095076563}, "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"]}, "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": 54.5}, "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": 82.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "82.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 80.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 85.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 52.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 56.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[80.32, 55.18], [80.47, 55.53], [80.82, 55.68], [80.97, 56.03], [81.5, 56.25], [81.75, 56.15], [81.82, 56.18], [81.97, 56.53], [82.5, 56.75], [83.03, 56.53], [83.18, 56.18], [83.25, 56.15], [83.5, 56.25], [84.03, 56.03], [84.25, 55.5], [84.03, 54.97], [83.68, 54.82], [83.65, 54.75], [83.75, 54.5], [83.65, 54.25], [83.75, 54.0], [83.65, 53.75], [83.68, 53.68], [83.75, 53.65], [84.0, 53.75], [84.53, 53.53], [84.68, 53.18], [84.75, 53.15], [85.0, 53.25], [85.25, 53.15], [85.5, 53.25], [86.03, 53.03], [86.25, 52.5], [86.03, 51.97], [85.5, 51.75], [85.25, 51.85], [85.0, 51.75], [84.75, 51.85], [84.5, 51.75], [84.25, 51.85], [84.0, 51.75], [83.75, 51.85], [83.5, 51.75], [83.25, 51.85], [83.0, 51.75], [82.75, 51.85], [82.5, 51.75], [82.25, 51.85], [82.0, 51.75], [81.47, 51.97], [81.25, 52.5], [81.35, 52.75], [81.25, 53.0], [81.35, 53.25], [81.32, 53.32], [81.25, 53.35], [81.0, 53.25], [80.47, 53.47], [80.32, 53.82], [79.97, 53.97], [79.75, 54.5], [79.97, 55.03], [80.32, 55.18]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["W.Siberia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-07-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[82.5, 53.75], [81.97, 53.97], [81.75, 54.5], [81.97, 55.03], [82.5, 55.25], [82.75, 55.15], [83.0, 55.25], [83.53, 55.03], [83.75, 54.5], [83.53, 53.97], [83.0, 53.75], [82.75, 53.85], [82.5, 53.75]]]]}, "2024-08-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[79.97, 53.97], [79.75, 54.5], [79.97, 55.03], [80.32, 55.18], [80.47, 55.53], [80.82, 55.68], [80.97, 56.03], [81.5, 56.25], [81.75, 56.15], [81.82, 56.18], [81.97, 56.53], [82.5, 56.75], [83.03, 56.53], [83.18, 56.18], [83.25, 56.15], [83.5, 56.25], [84.03, 56.03], [84.25, 55.5], [84.03, 54.97], [83.68, 54.82], [83.65, 54.75], [83.75, 54.5], [83.65, 54.25], [83.75, 54.0], [83.65, 53.75], [83.68, 53.68], [83.75, 53.65], [84.0, 53.75], [84.53, 53.53], [84.68, 53.18], [84.75, 53.15], [85.0, 53.25], [85.25, 53.15], [85.5, 53.25], [86.03, 53.03], [86.25, 52.5], [86.03, 51.97], [85.5, 51.75], [85.25, 51.85], [85.0, 51.75], [84.75, 51.85], [84.5, 51.75], [84.25, 51.85], [84.0, 51.75], [83.75, 51.85], [83.5, 51.75], [83.25, 51.85], [83.0, 51.75], [82.75, 51.85], [82.5, 51.75], [82.25, 51.85], [82.0, 51.75], [81.47, 51.97], [81.25, 52.5], [81.35, 52.75], [81.25, 53.0], [81.35, 53.25], [81.32, 53.32], [81.25, 53.35], [81.0, 53.25], [80.47, 53.47], [80.32, 53.82], [79.97, 53.97]]]]}, "2024-08-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[79.97, 53.97], [79.75, 54.5], [79.97, 55.03], [80.32, 55.18], [80.47, 55.53], [80.82, 55.68], [80.97, 56.03], [81.5, 56.25], [81.75, 56.15], [81.82, 56.18], [81.97, 56.53], [82.5, 56.75], [83.03, 56.53], [83.18, 56.18], [83.25, 56.15], [83.5, 56.25], [84.03, 56.03], [84.25, 55.5], [84.03, 54.97], [83.68, 54.82], [83.65, 54.75], [83.75, 54.5], [83.65, 54.25], [83.75, 54.0], [83.65, 53.75], [83.68, 53.68], [83.75, 53.65], [84.0, 53.75], [84.53, 53.53], [84.68, 53.18], [84.75, 53.15], [85.0, 53.25], [85.25, 53.15], [85.5, 53.25], [86.03, 53.03], [86.25, 52.5], [86.03, 51.97], [85.5, 51.75], [85.25, 51.85], [85.0, 51.75], [84.75, 51.85], [84.5, 51.75], [84.25, 51.85], [84.0, 51.75], [83.75, 51.85], [83.5, 51.75], [83.25, 51.85], [83.0, 51.75], [82.75, 51.85], [82.5, 51.75], [82.25, 51.85], [82.0, 51.75], [81.47, 51.97], [81.25, 52.5], [81.35, 52.75], [81.25, 53.0], [81.35, 53.25], [81.32, 53.32], [81.25, 53.35], [81.0, 53.25], [80.47, 53.47], [80.32, 53.82], [79.97, 53.97]]]]}, "2024-08-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[79.97, 53.97], [79.75, 54.5], [79.97, 55.03], [80.32, 55.18], [80.47, 55.53], [80.82, 55.68], [80.97, 56.03], [81.5, 56.25], [81.75, 56.15], [81.82, 56.18], [81.97, 56.53], [82.5, 56.75], [83.03, 56.53], [83.18, 56.18], [83.25, 56.15], [83.5, 56.25], [84.03, 56.03], [84.25, 55.5], [84.03, 54.97], [83.68, 54.82], [83.65, 54.75], [83.75, 54.5], [83.65, 54.25], [83.75, 54.0], [83.65, 53.75], [83.68, 53.68], [83.75, 53.65], [84.0, 53.75], [84.53, 53.53], [84.68, 53.18], [84.75, 53.15], [85.0, 53.25], [85.25, 53.15], [85.5, 53.25], [86.03, 53.03], [86.25, 52.5], [86.03, 51.97], [85.5, 51.75], [85.25, 51.85], [85.0, 51.75], [84.75, 51.85], [84.5, 51.75], [84.25, 51.85], [84.0, 51.75], [83.75, 51.85], [83.5, 51.75], [83.25, 51.85], [83.0, 51.75], [82.75, 51.85], [82.5, 51.75], [82.25, 51.85], [82.0, 51.75], [81.47, 51.97], [81.25, 52.5], [81.35, 52.75], [81.25, 53.0], [81.35, 53.25], [81.32, 53.32], [81.25, 53.35], [81.0, 53.25], [80.47, 53.47], [80.32, 53.82], [79.97, 53.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.915644340690278}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.959670238634554}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [22.65004578297794, 23.54379224050848, 24.207325886800902, 24.235529500951316]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [22.896753037007898, 25.13519674136444, 26.458213141877366, 26.350365359465968]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.721746096234085, 4.463646674838441, 5.201070798060421, 5.2794471452364045]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.801638310206215, 5.8337345369718605, 6.305544038295466, 6.915644340690278]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2553111631145268, 1.5138913917001988, 1.7431997366768373, 1.7736375326602472]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.2782302373319487, 2.0084912026916126, 2.158975725902964, 2.3344475076781226]}}