{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:59:33.640916", "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-Jun-27_to_2024-Jun-29_129.5_41.0"}, "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": 2024060002553}, "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": "June 27 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 29 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": 67238.26421657308}, "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", "Korea, Democratic People's Republic of"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia", "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": ["Sea of Japan"]}, "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": 41.0}, "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": 127.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 131.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 41.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 45.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[127.0, 45.25], [127.25, 45.15], [127.5, 45.25], [127.75, 45.15], [127.82, 45.18], [127.97, 45.53], [128.5, 45.75], [128.75, 45.65], [129.0, 45.75], [129.53, 45.53], [129.75, 45.0], [129.63, 44.7], [129.75, 44.65], [130.0, 44.75], [130.25, 44.65], [130.5, 44.75], [131.03, 44.53], [131.18, 44.18], [131.53, 44.03], [131.75, 43.5], [131.53, 42.97], [131.0, 42.75], [130.75, 42.85], [130.5, 42.75], [130.25, 42.85], [130.18, 42.82], [130.15, 42.75], [130.25, 42.5], [130.15, 42.25], [130.25, 42.0], [130.15, 41.75], [130.25, 41.5], [130.15, 41.25], [130.25, 41.0], [130.03, 40.47], [129.5, 40.25], [128.97, 40.47], [128.75, 41.0], [128.85, 41.25], [128.75, 41.5], [128.85, 41.75], [128.82, 41.82], [128.47, 41.97], [128.32, 42.32], [128.25, 42.35], [128.0, 42.25], [127.47, 42.47], [127.32, 42.82], [126.97, 42.97], [126.82, 43.32], [126.47, 43.47], [126.25, 44.0], [126.35, 44.25], [126.25, 44.5], [126.47, 45.03], [127.0, 45.25]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Siberia", "E.Asia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-06-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[126.25, 44.5], [126.47, 45.03], [127.0, 45.25], [127.25, 45.15], [127.5, 45.25], [127.75, 45.15], [127.82, 45.18], [127.97, 45.53], [128.5, 45.75], [128.75, 45.65], [129.0, 45.75], [129.53, 45.53], [129.75, 45.0], [129.63, 44.7], [129.75, 44.65], [130.0, 44.75], [130.25, 44.65], [130.5, 44.75], [131.03, 44.53], [131.18, 44.18], [131.53, 44.03], [131.75, 43.5], [131.53, 42.97], [131.0, 42.75], [130.75, 42.85], [130.5, 42.75], [130.25, 42.85], [130.18, 42.82], [130.15, 42.75], [130.25, 42.5], [130.15, 42.25], [130.25, 42.0], [130.15, 41.75], [130.25, 41.5], [130.15, 41.25], [130.25, 41.0], [130.03, 40.47], [129.5, 40.25], [128.97, 40.47], [128.75, 41.0], [128.85, 41.25], [128.75, 41.5], [128.85, 41.75], [128.82, 41.82], [128.47, 41.97], [128.32, 42.32], [128.25, 42.35], [128.0, 42.25], [127.47, 42.47], [127.32, 42.82], [126.97, 42.97], [126.82, 43.32], [126.47, 43.47], [126.25, 44.0], [126.35, 44.25], [126.25, 44.5]]]]}, "2024-06-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[126.25, 44.5], [126.47, 45.03], [127.0, 45.25], [127.25, 45.15], [127.5, 45.25], [127.75, 45.15], [127.82, 45.18], [127.97, 45.53], [128.5, 45.75], [128.75, 45.65], [129.0, 45.75], [129.53, 45.53], [129.75, 45.0], [129.63, 44.7], [129.75, 44.65], [130.0, 44.75], [130.25, 44.65], [130.5, 44.75], [131.03, 44.53], [131.18, 44.18], [131.53, 44.03], [131.75, 43.5], [131.53, 42.97], [131.0, 42.75], [130.75, 42.85], [130.5, 42.75], [130.25, 42.85], [130.18, 42.82], [130.15, 42.75], [130.25, 42.5], [130.15, 42.25], [130.25, 42.0], [130.15, 41.75], [130.25, 41.5], [130.15, 41.25], [130.25, 41.0], [130.03, 40.47], [129.5, 40.25], [128.97, 40.47], [128.75, 41.0], [128.85, 41.25], [128.75, 41.5], [128.85, 41.75], [128.82, 41.82], [128.47, 41.97], [128.32, 42.32], [128.25, 42.35], [128.0, 42.25], [127.47, 42.47], [127.32, 42.82], [126.97, 42.97], [126.82, 43.32], [126.47, 43.47], [126.25, 44.0], [126.35, 44.25], [126.25, 44.5]]]]}, "2024-06-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[126.25, 44.5], [126.47, 45.03], [127.0, 45.25], [127.25, 45.15], [127.5, 45.25], [127.75, 45.15], [127.82, 45.18], [127.97, 45.53], [128.5, 45.75], [128.75, 45.65], [129.0, 45.75], [129.53, 45.53], [129.75, 45.0], [129.63, 44.7], [129.75, 44.65], [130.0, 44.75], [130.25, 44.65], [130.5, 44.75], [131.03, 44.53], [131.18, 44.18], [131.53, 44.03], [131.75, 43.5], [131.53, 42.97], [131.0, 42.75], [130.75, 42.85], [130.5, 42.75], [130.25, 42.85], [130.18, 42.82], [130.15, 42.75], [130.25, 42.5], [130.15, 42.25], [130.25, 42.0], [130.15, 41.75], [130.25, 41.5], [130.15, 41.25], [130.25, 41.0], [130.03, 40.47], [129.5, 40.25], [128.97, 40.47], [128.75, 41.0], [128.85, 41.25], [128.75, 41.5], [128.85, 41.75], [128.82, 41.82], [128.47, 41.97], [128.32, 42.32], [128.25, 42.35], [128.0, 42.25], [127.47, 42.47], [127.32, 42.82], [126.97, 42.97], [126.82, 43.32], [126.47, 43.47], [126.25, 44.0], [126.35, 44.25], [126.25, 44.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.12462202139028}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.7324584737077084}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [22.650547021357454, 23.203819231011778, 22.63864383310323]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.25546651067208, 26.107558285728885, 24.90779162609158]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.572035405784633, 4.129112152156129, 3.4962278631823627]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.366028837106853, 5.12462202139028, 4.567770141211895]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4357550143226825, 1.6846238646238356, 1.4518753717255806]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8715830357854535, 1.910926262945739, 2.0021076015056365]}}