{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:52:34.519039", "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": "2013-Jan-27_to_2013-Jan-29_114.0_53.0"}, "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": 2013010002472}, "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 27 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 29 2013"}, "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": 65704.33550820078}, "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.Siberia"]}, "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": 53.0}, "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": 114.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "114.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 109.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 114.75}, "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": 54.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-01-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[109.47, 51.97], [109.25, 52.5], [109.47, 53.03], [110.0, 53.25], [110.25, 53.15], [110.32, 53.18], [110.46, 53.5], [110.25, 54.0], [110.47, 54.53], [111.0, 54.75], [111.5, 54.54], [112.0, 54.75], [112.53, 54.53], [112.68, 54.18], [112.75, 54.15], [113.0, 54.25], [113.5, 54.04], [114.0, 54.25], [114.25, 54.15], [114.5, 54.25], [115.03, 54.03], [115.25, 53.5], [115.04, 53.0], [115.25, 52.5], [115.15, 52.25], [115.25, 52.0], [115.03, 51.47], [114.5, 51.25], [114.2, 51.38], [114.15, 51.25], [114.25, 51.0], [114.03, 50.47], [113.5, 50.25], [113.25, 50.35], [113.0, 50.25], [112.75, 50.35], [112.5, 50.25], [111.97, 50.47], [111.75, 51.0], [111.93, 51.43], [111.5, 51.25], [110.97, 51.47], [110.82, 51.82], [110.75, 51.85], [110.5, 51.75], [110.25, 51.85], [110.0, 51.75], [109.47, 51.97]]]]}, "2013-01-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[109.47, 51.97], [109.25, 52.5], [109.47, 53.03], [110.0, 53.25], [110.25, 53.15], [110.32, 53.18], [110.46, 53.5], [110.25, 54.0], [110.47, 54.53], [111.0, 54.75], [111.5, 54.54], [112.0, 54.75], [112.53, 54.53], [112.68, 54.18], [112.75, 54.15], [113.0, 54.25], [113.5, 54.04], [114.0, 54.25], [114.25, 54.15], [114.5, 54.25], [115.03, 54.03], [115.25, 53.5], [115.04, 53.0], [115.25, 52.5], [115.15, 52.25], [115.25, 52.0], [115.03, 51.47], [114.5, 51.25], [114.2, 51.38], [114.15, 51.25], [114.25, 51.0], [114.03, 50.47], [113.5, 50.25], [113.25, 50.35], [113.0, 50.25], [112.75, 50.35], [112.5, 50.25], [111.97, 50.47], [111.75, 51.0], [111.93, 51.43], [111.5, 51.25], [110.97, 51.47], [110.82, 51.82], [110.75, 51.85], [110.5, 51.75], [110.25, 51.85], [110.0, 51.75], [109.47, 51.97]]]]}, "2013-01-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[109.47, 51.97], [109.25, 52.5], [109.47, 53.03], [110.0, 53.25], [110.25, 53.15], [110.32, 53.18], [110.46, 53.5], [110.25, 54.0], [110.47, 54.53], [111.0, 54.75], [111.5, 54.54], [112.0, 54.75], [112.53, 54.53], [112.68, 54.18], [112.75, 54.15], [113.0, 54.25], [113.5, 54.04], [114.0, 54.25], [114.25, 54.15], [114.5, 54.25], [115.03, 54.03], [115.25, 53.5], [115.04, 53.0], [115.25, 52.5], [115.15, 52.25], [115.25, 52.0], [115.03, 51.47], [114.5, 51.25], [114.2, 51.38], [114.15, 51.25], [114.25, 51.0], [114.03, 50.47], [113.5, 50.25], [113.25, 50.35], [113.0, 50.25], [112.75, 50.35], [112.5, 50.25], [111.97, 50.47], [111.75, 51.0], [111.93, 51.43], [111.5, 51.25], [110.97, 51.47], [110.82, 51.82], [110.75, 51.85], [110.5, 51.75], [110.25, 51.85], [110.0, 51.75], [109.47, 51.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 11.74404472710711}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 8.806997132735914}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [-14.097066372286292, -13.62361195456947, -15.797132694057723]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [-9.735959845546915, -11.33683365840892, -13.419068288766994]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [9.300901146950235, 9.709555200130852, 7.410535051126654]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [11.74404472710711, 10.88968740659601, 9.087052196109823]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [2.0013806871929596, 2.039184208544342, 1.5037603645310735]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.536300722846193, 2.4616023562460994, 1.838417776856874]}}