{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:00:14.309457", "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-15_to_2024-Jul-17_129.5_51.0"}, "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": 2024070001997}, "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 15 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 17 2024"}, "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": 75653.78186231208}, "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": ["China", "Russian Federation"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia", "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": 51.0}, "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": 129.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "129.5\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": 132.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 47.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 51.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[128.25, 51.0], [128.35, 51.25], [128.25, 51.5], [128.47, 52.03], [129.0, 52.25], [129.25, 52.15], [129.5, 52.25], [129.75, 52.15], [130.0, 52.25], [130.25, 52.15], [130.5, 52.25], [130.75, 52.15], [131.0, 52.25], [131.53, 52.03], [131.75, 51.5], [131.65, 51.25], [131.75, 51.0], [131.65, 50.75], [131.68, 50.68], [131.75, 50.65], [132.0, 50.75], [132.53, 50.53], [132.75, 50.0], [132.53, 49.47], [132.18, 49.32], [132.03, 48.97], [131.68, 48.82], [131.65, 48.75], [131.75, 48.5], [131.53, 47.97], [131.0, 47.75], [130.75, 47.85], [130.68, 47.82], [130.65, 47.75], [130.75, 47.5], [130.53, 46.97], [130.0, 46.75], [129.47, 46.97], [129.32, 47.32], [128.97, 47.47], [128.75, 48.0], [128.85, 48.25], [128.75, 48.5], [128.85, 48.75], [128.75, 49.0], [128.85, 49.25], [128.82, 49.32], [128.47, 49.47], [128.25, 50.0], [128.35, 50.25], [128.25, 50.5], [128.35, 50.75], [128.25, 51.0]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Siberia", "Russian-Far-East"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-07-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[128.25, 50.5], [128.35, 50.75], [128.25, 51.0], [128.35, 51.25], [128.25, 51.5], [128.47, 52.03], [129.0, 52.25], [129.25, 52.15], [129.5, 52.25], [129.75, 52.15], [130.0, 52.25], [130.25, 52.15], [130.5, 52.25], [130.75, 52.15], [131.0, 52.25], [131.53, 52.03], [131.75, 51.5], [131.65, 51.25], [131.75, 51.0], [131.65, 50.75], [131.68, 50.68], [131.75, 50.65], [132.0, 50.75], [132.53, 50.53], [132.75, 50.0], [132.53, 49.47], [132.18, 49.32], [132.03, 48.97], [131.68, 48.82], [131.65, 48.75], [131.75, 48.5], [131.53, 47.97], [131.0, 47.75], [130.75, 47.85], [130.68, 47.82], [130.65, 47.75], [130.75, 47.5], [130.53, 46.97], [130.0, 46.75], [129.47, 46.97], [129.32, 47.32], [128.97, 47.47], [128.75, 48.0], [128.85, 48.25], [128.75, 48.5], [128.85, 48.75], [128.75, 49.0], [128.85, 49.25], [128.82, 49.32], [128.47, 49.47], [128.25, 50.0], [128.35, 50.25], [128.25, 50.5]]]]}, "2024-07-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[128.25, 50.5], [128.35, 50.75], [128.25, 51.0], [128.35, 51.25], [128.25, 51.5], [128.47, 52.03], [129.0, 52.25], [129.25, 52.15], [129.5, 52.25], [129.75, 52.15], [130.0, 52.25], [130.25, 52.15], [130.5, 52.25], [130.75, 52.15], [131.0, 52.25], [131.53, 52.03], [131.75, 51.5], [131.65, 51.25], [131.75, 51.0], [131.65, 50.75], [131.68, 50.68], [131.75, 50.65], [132.0, 50.75], [132.53, 50.53], [132.75, 50.0], [132.53, 49.47], [132.18, 49.32], [132.03, 48.97], [131.68, 48.82], [131.65, 48.75], [131.75, 48.5], [131.53, 47.97], [131.0, 47.75], [130.75, 47.85], [130.68, 47.82], [130.65, 47.75], [130.75, 47.5], [130.53, 46.97], [130.0, 46.75], [129.47, 46.97], [129.32, 47.32], [128.97, 47.47], [128.75, 48.0], [128.85, 48.25], [128.75, 48.5], [128.85, 48.75], [128.75, 49.0], [128.85, 49.25], [128.82, 49.32], [128.47, 49.47], [128.25, 50.0], [128.35, 50.25], [128.25, 50.5]]]]}, "2024-07-17T11:30:00.000000000": 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"Maximum t2m anomaly recorded over entire duration", "value": 7.131302821934355}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.727385341986815}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [24.96408787815966, 27.099781358244172, 25.791117996785545]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.33014184426537, 29.054499064087565, 27.170697854761272]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.785721261353603, 5.869228231755382, 4.527206532851461]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.372239522222799, 7.131302821934355, 5.618366891382323]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5008773051814324, 2.322473576180726, 1.8276075674314576]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.0026898755845757, 2.676343348668736, 2.1969569031238714]}}