{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:17:00.513547", "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-Jan-09_to_2022-Jan-11_106.5_69.0"}, "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": 2022010001876}, "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": "January 09 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 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": 183710.58413388897}, "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": 69.0}, "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": 106.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "106.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 103.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 111.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 63.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 70.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[102.75, 64.0], [102.97, 64.53], [103.5, 64.75], [103.75, 64.65], [104.0, 64.75], [104.25, 64.65], [104.32, 64.68], [104.47, 65.03], [104.82, 65.18], [104.85, 65.25], [104.82, 65.32], [104.47, 65.47], [104.25, 66.0], [104.47, 66.53], [104.82, 66.68], [104.97, 67.03], [105.32, 67.18], [105.47, 67.53], [105.82, 67.68], [105.85, 67.75], [105.82, 67.82], [105.75, 67.85], [105.5, 67.75], [104.97, 67.97], [104.82, 68.32], [104.75, 68.35], [104.5, 68.25], [104.25, 68.35], [104.0, 68.25], [103.75, 68.35], [103.5, 68.25], [102.97, 68.47], [102.75, 69.0], [102.97, 69.53], [103.5, 69.75], [103.75, 69.65], [103.82, 69.68], [103.97, 70.03], [104.5, 70.25], [104.75, 70.15], [105.0, 70.25], [105.25, 70.15], [105.5, 70.25], [105.8, 70.13], [105.97, 70.53], [106.32, 70.68], [106.47, 71.03], [107.0, 71.25], [107.53, 71.03], [107.68, 70.68], [107.75, 70.65], [108.0, 70.75], [108.53, 70.53], [108.68, 70.18], [108.75, 70.15], [109.0, 70.25], [109.25, 70.15], [109.5, 70.25], [109.75, 70.15], [110.0, 70.25], [110.25, 70.15], [110.5, 70.25], [110.75, 70.15], [111.0, 70.25], [111.25, 70.15], [111.5, 70.25], [112.03, 70.03], [112.25, 69.5], [112.15, 69.25], [112.25, 69.0], [112.03, 68.47], [111.68, 68.32], [111.65, 68.25], [111.68, 68.18], [112.03, 68.03], [112.25, 67.5], [112.15, 67.25], [112.25, 67.0], [112.15, 66.75], [112.25, 66.5], [112.15, 66.25], [112.25, 66.0], [112.03, 65.47], [111.68, 65.32], [111.53, 64.97], [111.18, 64.82], [111.03, 64.47], [110.5, 64.25], [110.0, 64.46], [109.68, 64.32], [109.53, 63.97], [109.0, 63.75], [108.75, 63.85], [108.5, 63.75], [108.25, 63.85], [108.0, 63.75], [107.75, 63.85], [107.68, 63.82], [107.53, 63.47], [107.18, 63.32], [107.03, 62.97], [106.5, 62.75], [106.25, 62.85], [106.0, 62.75], [105.75, 62.85], [105.5, 62.75], [105.25, 62.85], [105.0, 62.75], [104.75, 62.85], [104.5, 62.75], [103.97, 62.97], [103.82, 63.32], [103.75, 63.35], [103.5, 63.25], [102.97, 63.47], [102.75, 64.0]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Russian-Arctic", "E.Siberia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-01-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[103.5, 63.25], [102.97, 63.47], [102.75, 64.0], [102.97, 64.53], [103.5, 64.75], [103.75, 64.65], [104.0, 64.75], [104.25, 64.65], [104.32, 64.68], [104.47, 65.03], [104.82, 65.18], [104.85, 65.25], [104.82, 65.32], [104.47, 65.47], [104.25, 66.0], [104.47, 66.53], [104.82, 66.68], [104.97, 67.03], [105.32, 67.18], [105.47, 67.53], [105.82, 67.68], [105.85, 67.75], [105.82, 67.82], [105.75, 67.85], [105.5, 67.75], [104.97, 67.97], [104.82, 68.32], [104.75, 68.35], [104.5, 68.25], [104.25, 68.35], [104.0, 68.25], [103.75, 68.35], [103.5, 68.25], [102.97, 68.47], [102.75, 69.0], [102.97, 69.53], [103.5, 69.75], [103.75, 69.65], [103.82, 69.68], [103.97, 70.03], [104.5, 70.25], [104.75, 70.15], [105.0, 70.25], [105.25, 70.15], [105.5, 70.25], [105.8, 70.13], [105.97, 70.53], [106.32, 70.68], [106.47, 71.03], [107.0, 71.25], [107.53, 71.03], [107.68, 70.68], [107.75, 70.65], [108.0, 70.75], [108.53, 70.53], [108.68, 70.18], [108.75, 70.15], [109.0, 70.25], [109.25, 70.15], [109.5, 70.25], [109.75, 70.15], [110.0, 70.25], [110.25, 70.15], [110.5, 70.25], [110.75, 70.15], [111.0, 70.25], [111.25, 70.15], [111.5, 70.25], [112.03, 70.03], [112.25, 69.5], [112.15, 69.25], [112.25, 69.0], [112.03, 68.47], [111.68, 68.32], [111.65, 68.25], [111.68, 68.18], [112.03, 68.03], [112.25, 67.5], [112.15, 67.25], [112.25, 67.0], [112.15, 66.75], [112.25, 66.5], [112.15, 66.25], [112.25, 66.0], [112.03, 65.47], [111.68, 65.32], [111.53, 64.97], [111.18, 64.82], [111.03, 64.47], [110.5, 64.25], [110.0, 64.46], [109.68, 64.32], [109.53, 63.97], [109.0, 63.75], [108.75, 63.85], [108.5, 63.75], [108.25, 63.85], [108.0, 63.75], [107.75, 63.85], [107.68, 63.82], [107.53, 63.47], [107.18, 63.32], [107.03, 62.97], [106.5, 62.75], [106.25, 62.85], [106.0, 62.75], [105.75, 62.85], [105.5, 62.75], [105.25, 62.85], [105.0, 62.75], [104.75, 62.85], [104.5, 62.75], [103.97, 62.97], [103.82, 63.32], [103.75, 63.35], [103.5, 63.25]]]]}, "2022-01-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[103.5, 63.25], [102.97, 63.47], [102.75, 64.0], [102.97, 64.53], [103.5, 64.75], [103.75, 64.65], [104.0, 64.75], [104.25, 64.65], [104.32, 64.68], [104.47, 65.03], [104.82, 65.18], [104.85, 65.25], [104.82, 65.32], [104.47, 65.47], [104.25, 66.0], [104.47, 66.53], [104.82, 66.68], [104.97, 67.03], [105.32, 67.18], [105.47, 67.53], [105.82, 67.68], [105.85, 67.75], [105.82, 67.82], [105.75, 67.85], [105.5, 67.75], [104.97, 67.97], [104.82, 68.32], [104.75, 68.35], [104.5, 68.25], [104.25, 68.35], [104.0, 68.25], [103.75, 68.35], [103.5, 68.25], [102.97, 68.47], [102.75, 69.0], [102.97, 69.53], [103.5, 69.75], [103.75, 69.65], [103.82, 69.68], [103.97, 70.03], [104.5, 70.25], [104.75, 70.15], [105.0, 70.25], [105.25, 70.15], [105.5, 70.25], [105.8, 70.13], [105.97, 70.53], [106.32, 70.68], [106.47, 71.03], [107.0, 71.25], [107.53, 71.03], [107.68, 70.68], [107.75, 70.65], [108.0, 70.75], [108.53, 70.53], [108.68, 70.18], [108.75, 70.15], [109.0, 70.25], [109.25, 70.15], [109.5, 70.25], [109.75, 70.15], [110.0, 70.25], [110.25, 70.15], [110.5, 70.25], [110.75, 70.15], [111.0, 70.25], [111.25, 70.15], [111.5, 70.25], [112.03, 70.03], [112.25, 69.5], [112.15, 69.25], [112.25, 69.0], [112.03, 68.47], [111.68, 68.32], [111.65, 68.25], [111.68, 68.18], [112.03, 68.03], [112.25, 67.5], [112.15, 67.25], [112.25, 67.0], [112.15, 66.75], [112.25, 66.5], [112.15, 66.25], [112.25, 66.0], [112.03, 65.47], [111.68, 65.32], [111.53, 64.97], [111.18, 64.82], [111.03, 64.47], [110.5, 64.25], [110.0, 64.46], [109.68, 64.32], [109.53, 63.97], [109.0, 63.75], [108.75, 63.85], [108.5, 63.75], [108.25, 63.85], [108.0, 63.75], [107.75, 63.85], [107.68, 63.82], [107.53, 63.47], [107.18, 63.32], [107.03, 62.97], [106.5, 62.75], [106.25, 62.85], [106.0, 62.75], [105.75, 62.85], [105.5, 62.75], [105.25, 62.85], [105.0, 62.75], [104.75, 62.85], [104.5, 62.75], [103.97, 62.97], [103.82, 63.32], [103.75, 63.35], [103.5, 63.25]]]]}, "2022-01-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[103.5, 63.25], [102.97, 63.47], [102.75, 64.0], [102.97, 64.53], [103.5, 64.75], [103.75, 64.65], [104.0, 64.75], [104.25, 64.65], [104.32, 64.68], [104.47, 65.03], [104.82, 65.18], [104.85, 65.25], [104.82, 65.32], [104.47, 65.47], [104.25, 66.0], [104.47, 66.53], [104.82, 66.68], [104.97, 67.03], [105.32, 67.18], [105.47, 67.53], [105.82, 67.68], [105.85, 67.75], [105.82, 67.82], [105.75, 67.85], [105.5, 67.75], [104.97, 67.97], [104.82, 68.32], [104.75, 68.35], [104.5, 68.25], [104.25, 68.35], [104.0, 68.25], [103.75, 68.35], [103.5, 68.25], [102.97, 68.47], [102.75, 69.0], [102.97, 69.53], [103.5, 69.75], [103.75, 69.65], [103.82, 69.68], [103.97, 70.03], [104.5, 70.25], [104.75, 70.15], [105.0, 70.25], [105.25, 70.15], [105.5, 70.25], [105.8, 70.13], [105.97, 70.53], [106.32, 70.68], [106.47, 71.03], [107.0, 71.25], [107.53, 71.03], [107.68, 70.68], [107.75, 70.65], [108.0, 70.75], [108.53, 70.53], [108.68, 70.18], [108.75, 70.15], [109.0, 70.25], [109.25, 70.15], [109.5, 70.25], [109.75, 70.15], [110.0, 70.25], [110.25, 70.15], [110.5, 70.25], [110.75, 70.15], [111.0, 70.25], [111.25, 70.15], [111.5, 70.25], [112.03, 70.03], [112.25, 69.5], [112.15, 69.25], [112.25, 69.0], [112.03, 68.47], [111.68, 68.32], [111.65, 68.25], [111.68, 68.18], [112.03, 68.03], [112.25, 67.5], [112.15, 67.25], [112.25, 67.0], [112.15, 66.75], [112.25, 66.5], [112.15, 66.25], [112.25, 66.0], [112.03, 65.47], [111.68, 65.32], [111.53, 64.97], [111.18, 64.82], [111.03, 64.47], [110.5, 64.25], [110.0, 64.46], [109.68, 64.32], [109.53, 63.97], [109.0, 63.75], [108.75, 63.85], [108.5, 63.75], [108.25, 63.85], [108.0, 63.75], [107.75, 63.85], [107.68, 63.82], [107.53, 63.47], [107.18, 63.32], [107.03, 62.97], [106.5, 62.75], [106.25, 62.85], [106.0, 62.75], [105.75, 62.85], [105.5, 62.75], [105.25, 62.85], [105.0, 62.75], [104.75, 62.85], [104.5, 62.75], [103.97, 62.97], [103.82, 63.32], [103.75, 63.35], [103.5, 63.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 21.721871480786575}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 15.34674135906637}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [-20.03660629337074, -17.720481689782815, -22.417838509921722]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [-14.75642693887636, -14.775128972310767, -19.118472954474925]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [15.727690903643825, 17.786819666602845, 12.525713506952426]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [20.40757957787301, 21.721871480786575, 16.958035712263182]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.9130264900479104, 2.232842540607612, 1.6252715096020918]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.5838814747781083, 2.6854965953150525, 2.137129872114585]}}