{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:43:59.765313", "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": "2010-Jan-17_to_2010-Jan-19_126.5_43.5"}, "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": 2010010002063}, "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 17 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 19 2010"}, "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": 106007.61315686817}, "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"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Asia", "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": 43.5}, "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": 126.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "126.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 122.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 127.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 40.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 45.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-01-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[122.75, 42.0], [122.85, 42.25], [122.75, 42.5], [122.97, 43.03], [123.32, 43.18], [123.47, 43.53], [123.82, 43.68], [123.85, 43.75], [123.75, 44.0], [123.97, 44.53], [124.32, 44.68], [124.47, 45.03], [125.0, 45.25], [125.25, 45.15], [125.32, 45.18], [125.47, 45.53], [126.0, 45.75], [126.25, 45.65], [126.32, 45.68], [126.47, 46.03], [127.0, 46.25], [127.25, 46.15], [127.5, 46.25], [128.03, 46.03], [128.25, 45.5], [128.04, 45.0], [128.25, 44.5], [128.03, 43.97], [127.68, 43.82], [127.53, 43.47], [127.18, 43.32], [127.15, 43.25], [127.18, 43.18], [127.53, 43.03], [127.75, 42.5], [127.53, 41.97], [127.0, 41.75], [126.75, 41.85], [126.5, 41.75], [126.25, 41.85], [126.18, 41.82], [126.15, 41.75], [126.25, 41.5], [126.03, 40.97], [125.5, 40.75], [125.25, 40.85], [125.0, 40.75], [124.75, 40.85], [124.5, 40.75], [124.25, 40.85], [124.18, 40.82], [124.03, 40.47], [123.5, 40.25], [123.25, 40.35], [123.0, 40.25], [122.47, 40.47], [122.25, 41.0], [122.47, 41.53], [122.82, 41.68], [122.85, 41.75], [122.75, 42.0]]]]}, "2010-01-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[122.75, 42.0], [122.85, 42.25], [122.75, 42.5], [122.97, 43.03], [123.32, 43.18], [123.47, 43.53], [123.82, 43.68], [123.85, 43.75], [123.75, 44.0], [123.97, 44.53], [124.32, 44.68], [124.47, 45.03], [125.0, 45.25], [125.25, 45.15], [125.32, 45.18], [125.47, 45.53], [126.0, 45.75], [126.25, 45.65], [126.32, 45.68], [126.47, 46.03], [127.0, 46.25], [127.25, 46.15], [127.5, 46.25], [128.03, 46.03], [128.25, 45.5], [128.04, 45.0], [128.25, 44.5], [128.03, 43.97], [127.68, 43.82], [127.53, 43.47], [127.18, 43.32], [127.15, 43.25], [127.18, 43.18], [127.53, 43.03], [127.75, 42.5], [127.53, 41.97], [127.0, 41.75], [126.75, 41.85], [126.5, 41.75], [126.25, 41.85], [126.18, 41.82], [126.15, 41.75], [126.25, 41.5], [126.03, 40.97], [125.5, 40.75], [125.25, 40.85], [125.0, 40.75], [124.75, 40.85], [124.5, 40.75], [124.25, 40.85], [124.18, 40.82], [124.03, 40.47], [123.5, 40.25], [123.25, 40.35], [123.0, 40.25], [122.47, 40.47], [122.25, 41.0], [122.47, 41.53], [122.82, 41.68], [122.85, 41.75], [122.75, 42.0]]]]}, "2010-01-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[122.75, 42.0], [122.85, 42.25], [122.75, 42.5], [122.97, 43.03], [123.32, 43.18], [123.47, 43.53], [123.82, 43.68], [123.85, 43.75], [123.75, 44.0], [123.97, 44.53], [124.32, 44.68], [124.47, 45.03], [125.0, 45.25], [125.25, 45.15], [125.32, 45.18], [125.47, 45.53], [126.0, 45.75], [126.25, 45.65], [126.32, 45.68], [126.47, 46.03], [127.0, 46.25], [127.25, 46.15], [127.5, 46.25], [128.03, 46.03], [128.25, 45.5], [128.04, 45.0], [128.25, 44.5], [128.03, 43.97], [127.68, 43.82], [127.53, 43.47], [127.18, 43.32], [127.15, 43.25], [127.18, 43.18], [127.53, 43.03], [127.75, 42.5], [127.53, 41.97], [127.0, 41.75], [126.75, 41.85], [126.5, 41.75], [126.25, 41.85], [126.18, 41.82], [126.15, 41.75], [126.25, 41.5], [126.03, 40.97], [125.5, 40.75], [125.25, 40.85], [125.0, 40.75], [124.75, 40.85], [124.5, 40.75], [124.25, 40.85], [124.18, 40.82], [124.03, 40.47], [123.5, 40.25], [123.25, 40.35], [123.0, 40.25], [122.47, 40.47], [122.25, 41.0], [122.47, 41.53], [122.82, 41.68], [122.85, 41.75], [122.75, 42.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 14.419207246173926}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 9.498609642444983}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [-7.717476048882531, -4.994019759033847, -3.419721256005573]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [-3.2612975199899665, 0.08624851120345056, 1.300668234024272]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [7.272394721810141, 9.834441393331987, 11.388992812192834]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [8.401843490713475, 11.610972640457419, 14.419207246173926]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4547150582007757, 1.9896714309764674, 2.35533603244548]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.694851018169793, 2.2311534223301535, 3.0641988739304478]}}