{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:01:13.347437", "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-Sep-25_to_2024-Sep-28_132.0_66.5"}, "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": 2024090002219}, "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": "September 25 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 28 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": 147071.52651856703}, "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": ["Laptev 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": 66.5}, "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": 132.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "132.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 129.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 138.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 65.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 71.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[129.32, 68.68], [129.47, 69.03], [129.82, 69.18], [129.97, 69.53], [130.32, 69.68], [130.47, 70.03], [131.0, 70.25], [130.47, 70.47], [130.25, 71.0], [130.47, 71.53], [131.0, 71.75], [131.25, 71.65], [131.5, 71.75], [131.75, 71.65], [132.0, 71.75], [132.25, 71.65], [132.5, 71.75], [132.75, 71.65], [133.0, 71.75], [133.25, 71.65], [133.5, 71.75], [133.75, 71.65], [134.0, 71.75], [134.25, 71.65], [134.5, 71.75], [134.75, 71.65], [135.0, 71.75], [135.25, 71.65], [135.5, 71.75], [135.75, 71.65], [136.0, 71.75], [136.25, 71.65], [136.5, 71.75], [136.75, 71.65], [137.0, 71.75], [137.25, 71.65], [137.5, 71.75], [138.03, 71.53], [138.25, 71.0], [138.03, 70.47], [137.5, 70.25], [137.25, 70.35], [137.0, 70.25], [136.75, 70.35], [136.5, 70.25], [136.25, 70.35], [136.0, 70.25], [135.75, 70.35], [135.5, 70.25], [135.25, 70.35], [135.0, 70.25], [134.75, 70.35], [134.5, 70.25], [134.25, 70.35], [134.0, 70.25], [133.75, 70.35], [133.5, 70.25], [133.25, 70.35], [133.18, 70.32], [133.15, 70.25], [133.25, 70.0], [133.03, 69.47], [132.68, 69.32], [132.65, 69.25], [132.68, 69.18], [132.75, 69.15], [133.0, 69.25], [133.25, 69.15], [133.5, 69.25], [133.75, 69.15], [134.0, 69.25], [134.25, 69.15], [134.32, 69.18], [134.47, 69.53], [135.0, 69.75], [135.53, 69.53], [135.68, 69.18], [135.75, 69.15], [136.0, 69.25], [136.25, 69.15], [136.5, 69.25], [136.75, 69.15], [137.0, 69.25], [137.25, 69.15], [137.5, 69.25], [137.75, 69.15], [138.0, 69.25], [138.53, 69.03], [138.75, 68.5], [138.53, 67.97], [138.18, 67.82], [138.04, 67.5], [138.25, 67.0], [138.03, 66.47], [137.68, 66.32], [137.53, 65.97], [137.0, 65.75], [136.75, 65.85], [136.68, 65.82], [136.53, 65.47], [136.18, 65.32], [136.03, 64.97], [135.5, 64.75], [135.25, 64.85], [135.18, 64.82], [135.03, 64.47], [134.5, 64.25], [133.97, 64.47], [133.82, 64.82], [133.75, 64.85], [133.68, 64.82], [133.53, 64.47], [133.0, 64.25], [132.47, 64.47], [132.25, 65.0], [132.38, 65.3], [132.25, 65.35], [132.0, 65.25], [131.75, 65.35], [131.5, 65.25], [131.25, 65.35], [131.0, 65.25], [130.75, 65.35], [130.5, 65.25], [129.97, 65.47], [129.82, 65.82], [129.47, 65.97], [129.32, 66.32], [129.25, 66.35], [129.0, 66.25], [128.47, 66.47], [128.25, 67.0], [128.47, 67.53], [128.82, 67.68], [128.85, 67.75], [128.75, 68.0], [128.97, 68.53], [129.32, 68.68]], [[131.25, 70.15], [131.32, 70.18], [131.38, 70.3], [131.25, 70.35], [131.0, 70.25], [131.25, 70.15]]]]}}, "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": {"2024-09-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[128.85, 67.75], [128.75, 68.0], [128.97, 68.53], [129.32, 68.68], [129.47, 69.03], [129.82, 69.18], [129.97, 69.53], [130.5, 69.75], [130.75, 69.65], [131.0, 69.75], [131.25, 69.65], [131.5, 69.75], [131.75, 69.65], [132.0, 69.75], [132.53, 69.53], [132.68, 69.18], [132.75, 69.15], [133.0, 69.25], [133.25, 69.15], [133.5, 69.25], [133.75, 69.15], [134.0, 69.25], [134.25, 69.15], [134.32, 69.18], [134.47, 69.53], [135.0, 69.75], [135.53, 69.53], [135.68, 69.18], [135.75, 69.15], [136.0, 69.25], [136.25, 69.15], [136.5, 69.25], [136.75, 69.15], [137.0, 69.25], [137.25, 69.15], [137.5, 69.25], [137.75, 69.15], [138.0, 69.25], [138.53, 69.03], [138.75, 68.5], [138.53, 67.97], [138.18, 67.82], [138.04, 67.5], [138.25, 67.0], [138.03, 66.47], [137.68, 66.32], [137.53, 65.97], [137.0, 65.75], [136.75, 65.85], [136.68, 65.82], [136.53, 65.47], [136.18, 65.32], [136.03, 64.97], [135.5, 64.75], [135.25, 64.85], [135.18, 64.82], [135.03, 64.47], [134.5, 64.25], [133.97, 64.47], [133.82, 64.82], [133.75, 64.85], [133.68, 64.82], [133.53, 64.47], [133.0, 64.25], [132.47, 64.47], [132.25, 65.0], [132.38, 65.3], [132.25, 65.35], [132.0, 65.25], [131.75, 65.35], [131.5, 65.25], [131.25, 65.35], [131.0, 65.25], [130.75, 65.35], [130.5, 65.25], [129.97, 65.47], [129.82, 65.82], [129.47, 65.97], [129.32, 66.32], [129.25, 66.35], [129.0, 66.25], [128.47, 66.47], [128.25, 67.0], [128.47, 67.53], [128.82, 67.68], [128.85, 67.75]]]]}, "2024-09-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[128.85, 67.75], [128.75, 68.0], [128.97, 68.53], [129.32, 68.68], [129.47, 69.03], [129.82, 69.18], [129.97, 69.53], [130.32, 69.68], [130.47, 70.03], [131.0, 70.25], [130.47, 70.47], [130.25, 71.0], [130.47, 71.53], [131.0, 71.75], [131.25, 71.65], [131.5, 71.75], [131.75, 71.65], [132.0, 71.75], [132.25, 71.65], [132.5, 71.75], [132.75, 71.65], [133.0, 71.75], [133.25, 71.65], [133.5, 71.75], [133.75, 71.65], [134.0, 71.75], [134.25, 71.65], [134.5, 71.75], [134.75, 71.65], [135.0, 71.75], [135.25, 71.65], [135.5, 71.75], [135.75, 71.65], [136.0, 71.75], [136.25, 71.65], [136.5, 71.75], [136.75, 71.65], [137.0, 71.75], [137.25, 71.65], [137.5, 71.75], [138.03, 71.53], [138.25, 71.0], [138.03, 70.47], [137.5, 70.25], [137.25, 70.35], [137.0, 70.25], [136.75, 70.35], [136.5, 70.25], [136.25, 70.35], [136.0, 70.25], [135.75, 70.35], [135.5, 70.25], [135.25, 70.35], [135.0, 70.25], [134.75, 70.35], [134.5, 70.25], [134.25, 70.35], [134.0, 70.25], [133.75, 70.35], [133.5, 70.25], [133.25, 70.35], [133.18, 70.32], [133.15, 70.25], [133.25, 70.0], [133.03, 69.47], [132.68, 69.32], [132.65, 69.25], [132.68, 69.18], [132.75, 69.15], [133.0, 69.25], [133.25, 69.15], [133.5, 69.25], [133.75, 69.15], [134.0, 69.25], [134.25, 69.15], [134.32, 69.18], [134.47, 69.53], [135.0, 69.75], [135.53, 69.53], [135.68, 69.18], [135.75, 69.15], [136.0, 69.25], [136.25, 69.15], [136.5, 69.25], [136.75, 69.15], [137.0, 69.25], [137.25, 69.15], [137.5, 69.25], [137.75, 69.15], [138.0, 69.25], [138.53, 69.03], [138.75, 68.5], [138.53, 67.97], [138.18, 67.82], [138.04, 67.5], [138.25, 67.0], [138.03, 66.47], [137.68, 66.32], [137.53, 65.97], [137.0, 65.75], [136.75, 65.85], [136.68, 65.82], [136.53, 65.47], [136.18, 65.32], [136.03, 64.97], [135.5, 64.75], [135.25, 64.85], [135.18, 64.82], [135.03, 64.47], [134.5, 64.25], [133.97, 64.47], [133.82, 64.82], [133.75, 64.85], [133.68, 64.82], [133.53, 64.47], [133.0, 64.25], [132.47, 64.47], [132.25, 65.0], [132.38, 65.3], [132.25, 65.35], [132.0, 65.25], [131.75, 65.35], [131.5, 65.25], [131.25, 65.35], [131.0, 65.25], [130.75, 65.35], [130.5, 65.25], [129.97, 65.47], [129.82, 65.82], [129.47, 65.97], [129.32, 66.32], [129.25, 66.35], [129.0, 66.25], [128.47, 66.47], [128.25, 67.0], [128.47, 67.53], [128.82, 67.68], [128.85, 67.75]], [[131.25, 70.15], [131.32, 70.18], [131.38, 70.3], [131.25, 70.35], [131.0, 70.25], [131.25, 70.15]]]]}, "2024-09-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[128.85, 67.75], [128.75, 68.0], [128.97, 68.53], [129.32, 68.68], [129.47, 69.03], [129.82, 69.18], [129.97, 69.53], [130.32, 69.68], [130.47, 70.03], [131.0, 70.25], [130.47, 70.47], [130.25, 71.0], [130.47, 71.53], [131.0, 71.75], [131.25, 71.65], [131.5, 71.75], [131.75, 71.65], [132.0, 71.75], [132.25, 71.65], [132.5, 71.75], [132.75, 71.65], [133.0, 71.75], [133.25, 71.65], [133.5, 71.75], [133.75, 71.65], [134.0, 71.75], [134.25, 71.65], [134.5, 71.75], [134.75, 71.65], [135.0, 71.75], [135.25, 71.65], [135.5, 71.75], [135.75, 71.65], [136.0, 71.75], [136.25, 71.65], [136.5, 71.75], [136.75, 71.65], [137.0, 71.75], [137.25, 71.65], [137.5, 71.75], [138.03, 71.53], [138.25, 71.0], [138.03, 70.47], [137.5, 70.25], [137.25, 70.35], [137.0, 70.25], [136.75, 70.35], [136.5, 70.25], [136.25, 70.35], [136.0, 70.25], [135.75, 70.35], [135.5, 70.25], [135.25, 70.35], [135.0, 70.25], [134.75, 70.35], [134.5, 70.25], [134.25, 70.35], [134.0, 70.25], [133.75, 70.35], [133.5, 70.25], [133.25, 70.35], [133.18, 70.32], [133.15, 70.25], [133.25, 70.0], [133.03, 69.47], [132.68, 69.32], [132.65, 69.25], [132.68, 69.18], [132.75, 69.15], [133.0, 69.25], [133.25, 69.15], [133.5, 69.25], [133.75, 69.15], [134.0, 69.25], [134.25, 69.15], [134.32, 69.18], [134.47, 69.53], [135.0, 69.75], [135.53, 69.53], [135.68, 69.18], [135.75, 69.15], [136.0, 69.25], [136.25, 69.15], [136.5, 69.25], [136.75, 69.15], [137.0, 69.25], [137.25, 69.15], [137.5, 69.25], [137.75, 69.15], [138.0, 69.25], [138.53, 69.03], [138.75, 68.5], [138.53, 67.97], [138.18, 67.82], [138.04, 67.5], [138.25, 67.0], [138.03, 66.47], [137.68, 66.32], [137.53, 65.97], [137.0, 65.75], [136.75, 65.85], [136.68, 65.82], [136.53, 65.47], [136.18, 65.32], [136.03, 64.97], [135.5, 64.75], [135.25, 64.85], [135.18, 64.82], [135.03, 64.47], [134.5, 64.25], [133.97, 64.47], [133.82, 64.82], [133.75, 64.85], [133.68, 64.82], [133.53, 64.47], [133.0, 64.25], [132.47, 64.47], [132.25, 65.0], [132.38, 65.3], [132.25, 65.35], [132.0, 65.25], [131.75, 65.35], [131.5, 65.25], [131.25, 65.35], [131.0, 65.25], [130.75, 65.35], [130.5, 65.25], [129.97, 65.47], [129.82, 65.82], [129.47, 65.97], [129.32, 66.32], [129.25, 66.35], [129.0, 66.25], [128.47, 66.47], [128.25, 67.0], [128.47, 67.53], [128.82, 67.68], [128.85, 67.75]], [[131.25, 70.15], [131.32, 70.18], [131.38, 70.3], [131.25, 70.35], [131.0, 70.25], [131.25, 70.15]]]]}, "2024-09-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[130.35, 69.25], [130.25, 69.5], [130.47, 70.03], [131.0, 70.25], [130.47, 70.47], [130.25, 71.0], [130.47, 71.53], [131.0, 71.75], [131.25, 71.65], [131.5, 71.75], [131.75, 71.65], [132.0, 71.75], [132.25, 71.65], [132.5, 71.75], [132.75, 71.65], [133.0, 71.75], [133.25, 71.65], [133.5, 71.75], [133.75, 71.65], [134.0, 71.75], [134.25, 71.65], [134.5, 71.75], [134.75, 71.65], [135.0, 71.75], [135.25, 71.65], [135.5, 71.75], [135.75, 71.65], [136.0, 71.75], [136.25, 71.65], [136.5, 71.75], [136.75, 71.65], [137.0, 71.75], [137.25, 71.65], [137.5, 71.75], [138.03, 71.53], [138.25, 71.0], [138.03, 70.47], [137.5, 70.25], [137.25, 70.35], [137.0, 70.25], [136.75, 70.35], [136.5, 70.25], [136.25, 70.35], [136.0, 70.25], [135.75, 70.35], [135.5, 70.25], [135.25, 70.35], [135.0, 70.25], [134.75, 70.35], [134.5, 70.25], [134.25, 70.35], [134.0, 70.25], [133.75, 70.35], [133.5, 70.25], [133.25, 70.35], [133.18, 70.32], [133.15, 70.25], [133.25, 70.0], [133.03, 69.47], [132.68, 69.32], [132.65, 69.25], [132.75, 69.0], [132.53, 68.47], [132.18, 68.32], [132.03, 67.97], [131.5, 67.75], [131.25, 67.85], [131.0, 67.75], [130.75, 67.85], [130.5, 67.75], [129.97, 67.97], [129.75, 68.5], [129.97, 69.03], [130.32, 69.18], [130.35, 69.25]], [[131.25, 70.15], [131.32, 70.18], [131.38, 70.3], [131.25, 70.35], [131.0, 70.25], [131.25, 70.15]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 9.820473664005988}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 6.325534334353481}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [4.2627938612452, 4.985127617568594, 2.887109919956856, 1.6395807119516235]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [6.410193379720056, 7.532069142659509, 5.3801984151204465, 2.7382980346679915]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [6.314593703021279, 7.295702108048082, 5.7145968680989485, 4.629253110652172]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [8.97514830531702, 9.820473664005988, 7.618002746178945, 5.474032680582241]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.8587104009243556, 2.113517424680514, 1.643340961674476, 1.2730243168045283]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.664160952676517, 3.0979206083741015, 1.9924723551583206, 1.4261906501904456]}}