{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:04:12.391937", "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-01_to_2015-Nov-04_127.5_50.0"}, "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": 2015110001084}, "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 01 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 04 2015"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 60160.472203397}, "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": 50.0}, "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": 127.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "127.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 124.25}, "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": 48.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 50.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-11-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[127.0, 50.75], [127.53, 50.53], [127.75, 50.0], [127.53, 49.47], [127.0, 49.25], [126.47, 49.47], [126.25, 50.0], [126.47, 50.53], [127.0, 50.75]]]]}, "2015-11-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[123.75, 50.0], [123.97, 50.53], [124.5, 50.75], [124.75, 50.65], [124.82, 50.68], [124.97, 51.03], [125.5, 51.25], [126.03, 51.03], [126.18, 50.68], [126.5, 50.54], [126.82, 50.68], [126.97, 51.03], [127.5, 51.25], [127.75, 51.15], [128.0, 51.25], [128.53, 51.03], [128.68, 50.68], [128.75, 50.65], [129.0, 50.75], [129.53, 50.53], [129.75, 50.0], [129.65, 49.75], [129.75, 49.5], [129.65, 49.25], [129.75, 49.0], [129.53, 48.47], [129.0, 48.25], [128.75, 48.35], [128.68, 48.32], [128.53, 47.97], [128.0, 47.75], [127.75, 47.85], [127.5, 47.75], [126.97, 47.97], [126.82, 48.32], [126.75, 48.35], [126.5, 48.25], [126.25, 48.35], [126.0, 48.25], [125.5, 48.46], [125.0, 48.25], [124.47, 48.47], [124.25, 49.0], [124.35, 49.25], [124.32, 49.32], [123.97, 49.47], [123.75, 50.0]]]]}, "2015-11-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[123.75, 50.0], [123.97, 50.53], [124.5, 50.75], [124.75, 50.65], [124.82, 50.68], [124.97, 51.03], [125.5, 51.25], [126.03, 51.03], [126.18, 50.68], [126.5, 50.54], [126.82, 50.68], [126.97, 51.03], [127.5, 51.25], [127.75, 51.15], [128.0, 51.25], [128.53, 51.03], [128.68, 50.68], [128.75, 50.65], [129.0, 50.75], [129.53, 50.53], [129.75, 50.0], [129.65, 49.75], [129.75, 49.5], [129.65, 49.25], [129.75, 49.0], [129.53, 48.47], [129.0, 48.25], [128.75, 48.35], [128.68, 48.32], [128.53, 47.97], [128.0, 47.75], [127.75, 47.85], [127.5, 47.75], [126.97, 47.97], [126.82, 48.32], [126.75, 48.35], [126.5, 48.25], [126.25, 48.35], [126.0, 48.25], [125.5, 48.46], [125.0, 48.25], [124.47, 48.47], [124.25, 49.0], [124.35, 49.25], [124.32, 49.32], [123.97, 49.47], [123.75, 50.0]]]]}, "2015-11-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[123.75, 50.0], [123.97, 50.53], [124.5, 50.75], [124.75, 50.65], [124.82, 50.68], [124.97, 51.03], [125.5, 51.25], [126.03, 51.03], [126.18, 50.68], [126.53, 50.53], [126.7, 50.13], [126.82, 50.18], [126.85, 50.25], [126.75, 50.5], [126.97, 51.03], [127.5, 51.25], [127.75, 51.15], [128.0, 51.25], [128.53, 51.03], [128.68, 50.68], [128.75, 50.65], [129.0, 50.75], [129.53, 50.53], [129.75, 50.0], [129.65, 49.75], [129.75, 49.5], [129.65, 49.25], [129.75, 49.0], [129.53, 48.47], [129.0, 48.25], [128.75, 48.35], [128.68, 48.32], [128.53, 47.97], [128.0, 47.75], [127.75, 47.85], [127.5, 47.75], [126.97, 47.97], [126.82, 48.32], [126.75, 48.35], [126.5, 48.25], [126.25, 48.35], [126.0, 48.25], [125.5, 48.46], [125.0, 48.25], [124.47, 48.47], [124.25, 49.0], [124.35, 49.25], [124.32, 49.32], [123.97, 49.47], [123.75, 50.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 12.1979998901802}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 7.912256311852335}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [1.6729763679527423, 3.0802343906190686, 6.928859065199106, 1.6072988277593367]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [1.6729763679527423, 4.3031926762559465, 8.856741218589661, 3.365989936597032]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.474581687442367, 6.599025063401531, 10.977561088235715, 6.18382420103968]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.474581687442367, 8.374115428712173, 12.1979998901802, 7.307843058545927]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2226390372092466, 1.5088885136274246, 2.4890700821411444, 1.407257395770001]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.2226390372092466, 1.82208951001259, 2.75297795173728, 1.6091711310748105]}}