{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:54:59.463621", "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": "2023-Aug-13_to_2023-Aug-18_177.0_65.0"}, "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": 2023080001730}, "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 13 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 18 2023"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 186329.58641455995}, "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": 65.0}, "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": 177.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "177.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 169.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 180.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 62.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 68.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[179.53, 64.97], [179.13, 64.8], [179.25, 64.5], [179.15, 64.25], [179.25, 64.0], [179.15, 63.75], [179.18, 63.68], [179.53, 63.53], [179.75, 63.0], [179.53, 62.47], [179.0, 62.25], [178.75, 62.35], [178.5, 62.25], [178.25, 62.35], [178.0, 62.25], [177.47, 62.47], [177.32, 62.82], [177.25, 62.85], [177.18, 62.82], [177.03, 62.47], [176.5, 62.25], [176.25, 62.35], [176.0, 62.25], [175.75, 62.35], [175.5, 62.25], [175.25, 62.35], [175.18, 62.32], [175.03, 61.97], [174.5, 61.75], [173.97, 61.97], [173.82, 62.32], [173.47, 62.47], [173.25, 63.0], [173.38, 63.3], [172.97, 63.47], [172.82, 63.82], [172.47, 63.97], [172.32, 64.32], [172.25, 64.35], [172.0, 64.25], [171.5, 64.46], [171.0, 64.25], [170.5, 64.46], [170.0, 64.25], [169.47, 64.47], [169.32, 64.82], [168.97, 64.97], [168.82, 65.32], [168.47, 65.47], [168.25, 66.0], [168.35, 66.25], [168.25, 66.5], [168.35, 66.75], [168.25, 67.0], [168.47, 67.53], [169.0, 67.75], [169.25, 67.65], [169.32, 67.68], [169.47, 68.03], [170.0, 68.25], [170.53, 68.03], [170.68, 67.68], [171.03, 67.53], [171.18, 67.18], [171.25, 67.15], [171.5, 67.25], [172.03, 67.03], [172.18, 66.68], [172.25, 66.65], [172.5, 66.75], [172.75, 66.65], [173.0, 66.75], [173.25, 66.65], [173.5, 66.75], [173.75, 66.65], [173.82, 66.68], [173.97, 67.03], [174.32, 67.18], [174.47, 67.53], [174.82, 67.68], [174.97, 68.03], [175.32, 68.18], [175.47, 68.53], [176.0, 68.75], [176.25, 68.65], [176.5, 68.75], [176.75, 68.65], [176.82, 68.68], [176.97, 69.03], [177.5, 69.25], [177.75, 69.15], [178.0, 69.25], [178.53, 69.03], [178.68, 68.68], [178.75, 68.65], [179.0, 68.75], [179.25, 68.65], [179.5, 68.75], [179.75, 68.65], [180.0, 68.75], [180.0, 66.96], [179.68, 66.82], [179.65, 66.75], [179.75, 66.5], [179.54, 66.0], [179.75, 65.5], [179.53, 64.97]]], [[[-179.82, 67.32], [-179.97, 66.97], [-180.0, 66.96], [-180.0, 68.75], [-179.47, 68.53], [-179.25, 68.0], [-179.47, 67.47], [-179.82, 67.32]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Russian-Arctic", "Russian-Far-East"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-08-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[173.75, 66.5], [173.97, 67.03], [174.32, 67.18], [174.47, 67.53], [174.82, 67.68], [174.97, 68.03], [175.5, 68.25], [175.75, 68.15], [176.0, 68.25], [176.25, 68.15], [176.5, 68.25], [176.75, 68.15], [177.0, 68.25], [177.25, 68.15], [177.5, 68.25], [177.75, 68.15], [178.0, 68.25], [178.25, 68.15], [178.5, 68.25], [178.75, 68.15], [179.0, 68.25], [179.53, 68.03], [179.75, 67.5], [179.53, 66.97], [179.18, 66.82], [179.03, 66.47], [178.5, 66.25], [178.25, 66.35], [178.0, 66.25], [177.75, 66.35], [177.68, 66.32], [177.53, 65.97], [177.0, 65.75], [176.75, 65.85], [176.5, 65.75], [176.25, 65.85], [176.18, 65.82], [176.03, 65.47], [175.5, 65.25], [175.25, 65.35], [175.0, 65.25], [174.75, 65.35], [174.5, 65.25], [173.97, 65.47], [173.75, 66.0], [173.85, 66.25], [173.75, 66.5]]]]}, "2023-08-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[168.25, 66.5], [168.35, 66.75], [168.25, 67.0], [168.47, 67.53], [169.0, 67.75], [169.25, 67.65], [169.32, 67.68], [169.47, 68.03], [170.0, 68.25], [170.53, 68.03], [170.68, 67.68], [171.03, 67.53], [171.18, 67.18], [171.25, 67.15], [171.5, 67.25], [172.03, 67.03], [172.18, 66.68], [172.25, 66.65], [172.5, 66.75], [172.75, 66.65], [173.0, 66.75], [173.25, 66.65], [173.5, 66.75], [173.75, 66.65], [173.82, 66.68], [173.97, 67.03], [174.32, 67.18], [174.47, 67.53], [174.82, 67.68], [174.97, 68.03], [175.32, 68.18], [175.47, 68.53], [176.0, 68.75], [176.25, 68.65], [176.5, 68.75], [176.75, 68.65], [176.82, 68.68], [176.97, 69.03], [177.5, 69.25], [177.75, 69.15], [178.0, 69.25], [178.53, 69.03], [178.68, 68.68], [178.75, 68.65], [179.0, 68.75], [179.25, 68.65], [179.5, 68.75], [179.75, 68.65], [180.0, 68.75], [180.0, 66.96], [179.68, 66.82], [179.65, 66.75], [179.75, 66.5], [179.53, 65.97], [179.18, 65.82], [179.03, 65.47], [178.5, 65.25], [178.25, 65.35], [178.0, 65.25], [177.75, 65.35], [177.68, 65.32], [177.65, 65.25], [177.75, 65.0], [177.53, 64.47], [177.0, 64.25], [176.5, 64.46], [176.0, 64.25], [175.75, 64.35], [175.68, 64.32], [175.53, 63.97], [175.18, 63.82], [175.03, 63.47], [174.5, 63.25], [174.25, 63.35], [174.0, 63.25], [173.75, 63.35], [173.5, 63.25], [172.97, 63.47], [172.82, 63.82], [172.47, 63.97], [172.32, 64.32], [172.25, 64.35], [172.0, 64.25], [171.5, 64.46], [171.0, 64.25], [170.5, 64.46], [170.0, 64.25], [169.47, 64.47], [169.32, 64.82], [168.97, 64.97], [168.82, 65.32], [168.47, 65.47], [168.25, 66.0], [168.35, 66.25], [168.25, 66.5]]], [[[-180.0, 68.75], [-179.47, 68.53], [-179.25, 68.0], [-179.47, 67.47], [-179.82, 67.32], [-179.97, 66.97], [-180.0, 66.96], [-180.0, 68.75]]]]}, "2023-08-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[168.25, 66.5], [168.35, 66.75], [168.25, 67.0], [168.47, 67.53], [169.0, 67.75], [169.25, 67.65], [169.32, 67.68], [169.47, 68.03], [170.0, 68.25], [170.53, 68.03], [170.68, 67.68], [171.03, 67.53], [171.18, 67.18], [171.25, 67.15], [171.5, 67.25], [172.03, 67.03], [172.18, 66.68], [172.25, 66.65], [172.5, 66.75], [172.75, 66.65], [173.0, 66.75], [173.25, 66.65], [173.5, 66.75], [173.75, 66.65], [173.82, 66.68], [173.97, 67.03], [174.32, 67.18], [174.47, 67.53], [174.82, 67.68], [174.97, 68.03], [175.32, 68.18], [175.47, 68.53], [176.0, 68.75], [176.25, 68.65], [176.5, 68.75], [176.75, 68.65], [176.82, 68.68], [176.97, 69.03], [177.5, 69.25], [177.75, 69.15], [178.0, 69.25], [178.53, 69.03], [178.68, 68.68], [178.75, 68.65], [179.0, 68.75], [179.25, 68.65], [179.5, 68.75], [179.75, 68.65], [180.0, 68.75], [180.0, 66.96], [179.68, 66.82], [179.65, 66.75], [179.75, 66.5], [179.54, 66.0], [179.75, 65.5], [179.53, 64.97], [179.13, 64.8], [179.25, 64.5], [179.03, 63.97], [178.68, 63.82], [178.65, 63.75], [178.75, 63.5], [178.65, 63.25], [178.75, 63.0], [178.53, 62.47], [178.0, 62.25], [177.47, 62.47], [177.32, 62.82], [177.25, 62.85], [177.18, 62.82], [177.03, 62.47], [176.5, 62.25], [176.25, 62.35], [176.0, 62.25], [175.75, 62.35], [175.5, 62.25], [175.25, 62.35], [175.18, 62.32], [175.03, 61.97], [174.5, 61.75], [173.97, 61.97], [173.82, 62.32], [173.47, 62.47], [173.25, 63.0], [173.38, 63.3], [172.97, 63.47], [172.82, 63.82], [172.47, 63.97], [172.32, 64.32], [172.25, 64.35], [172.0, 64.25], [171.5, 64.46], [171.0, 64.25], [170.5, 64.46], [170.0, 64.25], [169.47, 64.47], [169.32, 64.82], [168.97, 64.97], [168.82, 65.32], [168.47, 65.47], [168.25, 66.0], [168.35, 66.25], [168.25, 66.5]]], [[[-180.0, 68.75], [-179.47, 68.53], [-179.25, 68.0], [-179.47, 67.47], [-179.82, 67.32], [-179.97, 66.97], [-180.0, 66.96], [-180.0, 68.75]]]]}, "2023-08-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[168.25, 66.5], [168.35, 66.75], [168.25, 67.0], [168.47, 67.53], [169.0, 67.75], [169.25, 67.65], [169.32, 67.68], [169.47, 68.03], [170.0, 68.25], [170.53, 68.03], [170.68, 67.68], [171.03, 67.53], [171.18, 67.18], [171.25, 67.15], [171.5, 67.25], [172.03, 67.03], [172.18, 66.68], [172.25, 66.65], [172.5, 66.75], [172.75, 66.65], [173.0, 66.75], [173.25, 66.65], [173.5, 66.75], [173.75, 66.65], [173.82, 66.68], [173.97, 67.03], [174.32, 67.18], [174.47, 67.53], [174.82, 67.68], [174.97, 68.03], [175.32, 68.18], [175.47, 68.53], [176.0, 68.75], [176.25, 68.65], [176.5, 68.75], [176.75, 68.65], [176.82, 68.68], [176.97, 69.03], [177.5, 69.25], [177.75, 69.15], [178.0, 69.25], [178.53, 69.03], [178.68, 68.68], [178.75, 68.65], [179.0, 68.75], [179.25, 68.65], [179.5, 68.75], [179.75, 68.65], [180.0, 68.75], [180.0, 66.96], [179.68, 66.82], [179.65, 66.75], [179.75, 66.5], [179.54, 66.0], [179.75, 65.5], [179.53, 64.97], [179.13, 64.8], [179.25, 64.5], [179.15, 64.25], [179.25, 64.0], [179.15, 63.75], [179.18, 63.68], [179.53, 63.53], [179.75, 63.0], [179.53, 62.47], [179.0, 62.25], [178.75, 62.35], [178.5, 62.25], [178.25, 62.35], [178.0, 62.25], [177.47, 62.47], [177.32, 62.82], [177.25, 62.85], [177.18, 62.82], [177.03, 62.47], [176.5, 62.25], [176.25, 62.35], [176.0, 62.25], [175.75, 62.35], [175.5, 62.25], [175.25, 62.35], [175.18, 62.32], [175.03, 61.97], [174.5, 61.75], [173.97, 61.97], [173.82, 62.32], [173.47, 62.47], [173.25, 63.0], [173.38, 63.3], [172.97, 63.47], [172.82, 63.82], [172.47, 63.97], [172.32, 64.32], [172.25, 64.35], [172.0, 64.25], [171.5, 64.46], [171.0, 64.25], [170.5, 64.46], [170.0, 64.25], [169.47, 64.47], [169.32, 64.82], [168.97, 64.97], [168.82, 65.32], [168.47, 65.47], [168.25, 66.0], [168.35, 66.25], [168.25, 66.5]]], [[[-180.0, 68.75], [-179.47, 68.53], [-179.25, 68.0], [-179.47, 67.47], [-179.82, 67.32], [-179.97, 66.97], [-180.0, 66.96], [-180.0, 68.75]]]]}, "2023-08-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[173.47, 62.47], [173.25, 63.0], [173.47, 63.53], [173.82, 63.68], [173.97, 64.03], [174.32, 64.18], [174.47, 64.53], [175.0, 64.75], [175.25, 64.65], [175.32, 64.68], [175.47, 65.03], [175.82, 65.18], [175.97, 65.53], [176.5, 65.75], [176.75, 65.65], [176.82, 65.68], [176.97, 66.03], [177.32, 66.18], [177.47, 66.53], [178.0, 66.75], [178.25, 66.65], [178.5, 66.75], [179.03, 66.53], [179.18, 66.18], [179.53, 66.03], [179.75, 65.5], [179.53, 64.97], [179.13, 64.8], [179.25, 64.5], [179.15, 64.25], [179.25, 64.0], [179.15, 63.75], [179.18, 63.68], [179.53, 63.53], [179.75, 63.0], [179.53, 62.47], [179.0, 62.25], [178.75, 62.35], [178.5, 62.25], [178.25, 62.35], [178.0, 62.25], [177.47, 62.47], [177.32, 62.82], [177.25, 62.85], [177.18, 62.82], [177.03, 62.47], [176.5, 62.25], [176.25, 62.35], [176.0, 62.25], [175.75, 62.35], [175.5, 62.25], [175.25, 62.35], [175.18, 62.32], [175.03, 61.97], [174.5, 61.75], [173.97, 61.97], [173.82, 62.32], [173.47, 62.47]]]]}, "2023-08-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[174.85, 63.75], [174.75, 64.0], [174.97, 64.53], [175.32, 64.68], [175.47, 65.03], [176.0, 65.25], [176.25, 65.15], [176.32, 65.18], [176.47, 65.53], [177.0, 65.75], [177.25, 65.65], [177.5, 65.75], [177.75, 65.65], [178.0, 65.75], [178.53, 65.53], [178.68, 65.18], [179.03, 65.03], [179.25, 64.5], [179.15, 64.25], [179.25, 64.0], [179.15, 63.75], [179.18, 63.68], [179.53, 63.53], [179.75, 63.0], [179.53, 62.47], [179.0, 62.25], [178.75, 62.35], [178.5, 62.25], [178.25, 62.35], [178.0, 62.25], [177.47, 62.47], [177.32, 62.82], [177.25, 62.85], [177.18, 62.82], [177.03, 62.47], [176.5, 62.25], [176.25, 62.35], [176.0, 62.25], [175.75, 62.35], [175.5, 62.25], [175.25, 62.35], [175.0, 62.25], [174.47, 62.47], [174.25, 63.0], [174.47, 63.53], [174.82, 63.68], [174.85, 63.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.273612490698042}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.18179669727471}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [13.76418501418567, 14.681271607609006, 15.078471381858435, 14.739908860890353, 15.540696749705091, 14.65406821104142]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [15.223134936938834, 17.25277510093059, 18.425231962924045, 18.606196526489327, 17.91382463036564, 16.35828374436835]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.746810092330281, 5.01970840123047, 5.421262054977867, 5.265160928283868, 5.291812918091745, 4.420132313540757]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.630982333612735, 6.796030221169872, 6.676815658551732, 7.273612490698042, 6.690083541947729, 4.960417128547078]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4480690879167193, 1.4431673594824888, 1.5790811392030741, 1.5320084074539604, 1.8022489849746677, 1.5494975125385435]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7720290578670201, 2.0621379395511963, 2.1759641649930215, 2.1171471281265903, 2.530807332104618, 1.918091591401329]}}