{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:04:15.346694", "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": "2015-Nov-12_to_2015-Nov-14_127.0_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": 2015110001619}, "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": "November 12 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 14 2015"}, "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": 58712.325190940115}, "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"]}, "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": 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": 127.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "127.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 123.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 129.25}, "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": 53.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-11-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[122.97, 52.53], [123.5, 52.75], [123.75, 52.65], [123.82, 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[123.75, 52.65], [123.82, 52.68], [123.85, 52.75], [123.75, 53.0], [123.97, 53.53], [124.5, 53.75], [125.03, 53.53], [125.18, 53.18], [125.3, 53.13], [125.47, 53.53], [126.0, 53.75], [126.25, 53.65], [126.5, 53.75], [126.75, 53.65], [126.82, 53.68], [126.97, 54.03], [127.5, 54.25], [127.75, 54.15], [128.0, 54.25], [128.25, 54.15], [128.5, 54.25], [128.75, 54.15], [129.0, 54.25], [129.53, 54.03], [129.75, 53.5], [129.53, 52.97], [129.18, 52.82], [129.03, 52.47], [128.5, 52.25], [128.25, 52.35], [128.0, 52.25], [127.57, 52.43], [127.75, 52.0], [127.54, 51.5], [127.75, 51.0], [127.53, 50.47], [127.0, 50.25], [126.75, 50.35], [126.5, 50.25], [126.25, 50.35], [126.0, 50.25], [125.75, 50.35], [125.5, 50.25], [124.97, 50.47], [124.8, 50.88], [124.5, 50.75], [124.25, 50.85], [124.0, 50.75], [123.75, 50.85], [123.5, 50.75], [122.97, 50.97], [122.75, 51.5], [122.85, 51.75], [122.75, 52.0], [122.97, 52.53]]]]}, "2015-11-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[122.97, 52.53], [123.5, 52.75], [123.75, 52.65], [123.82, 52.68], [123.85, 52.75], [123.75, 53.0], [123.97, 53.53], [124.5, 53.75], [125.03, 53.53], [125.18, 53.18], [125.3, 53.13], [125.47, 53.53], [126.0, 53.75], [126.25, 53.65], [126.5, 53.75], [126.75, 53.65], [126.82, 53.68], [126.97, 54.03], [127.5, 54.25], [127.75, 54.15], [128.0, 54.25], [128.25, 54.15], [128.5, 54.25], [128.75, 54.15], [129.0, 54.25], [129.53, 54.03], [129.75, 53.5], [129.53, 52.97], [129.18, 52.82], [129.03, 52.47], [128.5, 52.25], [128.25, 52.35], [128.0, 52.25], [127.57, 52.43], [127.75, 52.0], [127.54, 51.5], [127.75, 51.0], [127.53, 50.47], [127.0, 50.25], [126.75, 50.35], [126.5, 50.25], [126.25, 50.35], [126.0, 50.25], [125.75, 50.35], [125.5, 50.25], [124.97, 50.47], [124.8, 50.88], [124.5, 50.75], [124.25, 50.85], [124.0, 50.75], [123.75, 50.85], [123.5, 50.75], [122.97, 50.97], [122.75, 51.5], [122.85, 51.75], [122.75, 52.0], [122.97, 52.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 11.826500172326519}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 8.94673181592438}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [-4.2917409264842945, -2.7115637103099175, -4.71621000801548]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [-2.3716801597020662, -0.16493566657214842, -0.9225610867351293]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [7.994752960715158, 10.068158128544898, 8.77728435851309]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [8.748908017661279, 10.699992791127443, 11.826500172326519]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.508409032681296, 1.9755871218590741, 1.7679974218548322]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6119743062421321, 2.1064030028254357, 2.1299949964411367]}}