{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:19:08.862806", "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": "2022-Mar-24_to_2022-Mar-26_125.0_39.5"}, "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": 2022030002537}, "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": "March 24 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 26 2022"}, "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": 54752.27464667564}, "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": ["Yellow Sea"]}, "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": 39.5}, "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": 125.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "125.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 123.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 126.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 38.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 40.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[122.75, 40.0], [122.97, 40.53], [123.32, 40.68], [123.47, 41.03], [124.0, 41.25], [124.25, 41.15], [124.5, 41.25], [124.75, 41.15], [125.0, 41.25], [125.25, 41.15], [125.5, 41.25], [126.03, 41.03], [126.18, 40.68], [126.25, 40.65], [126.5, 40.75], [127.03, 40.53], [127.25, 40.0], [127.03, 39.47], [126.68, 39.32], [126.53, 38.97], [126.18, 38.82], [126.03, 38.47], [125.5, 38.25], [125.25, 38.35], [125.18, 38.32], [125.03, 37.97], [124.5, 37.75], [124.25, 37.85], [124.0, 37.75], [123.47, 37.97], [123.32, 38.32], [122.97, 38.47], [122.75, 39.0], [122.85, 39.25], [122.75, 39.5], [122.85, 39.75], [122.75, 40.0]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Asia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-03-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[122.75, 39.5], [122.85, 39.75], [122.75, 40.0], [122.97, 40.53], [123.32, 40.68], [123.47, 41.03], [124.0, 41.25], [124.25, 41.15], [124.5, 41.25], [124.75, 41.15], [125.0, 41.25], [125.25, 41.15], [125.5, 41.25], [126.03, 41.03], [126.18, 40.68], [126.25, 40.65], [126.5, 40.75], [127.03, 40.53], [127.25, 40.0], [127.03, 39.47], [126.68, 39.32], [126.53, 38.97], [126.18, 38.82], [126.03, 38.47], [125.5, 38.25], [125.25, 38.35], [125.18, 38.32], [125.03, 37.97], [124.5, 37.75], [124.25, 37.85], [124.0, 37.75], [123.47, 37.97], [123.32, 38.32], [122.97, 38.47], [122.75, 39.0], [122.85, 39.25], [122.75, 39.5]]]]}, "2022-03-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[122.75, 39.5], [122.85, 39.75], [122.75, 40.0], [122.97, 40.53], [123.32, 40.68], [123.47, 41.03], [124.0, 41.25], [124.25, 41.15], [124.5, 41.25], [124.75, 41.15], [125.0, 41.25], [125.25, 41.15], [125.5, 41.25], [126.03, 41.03], [126.18, 40.68], [126.25, 40.65], [126.5, 40.75], [127.03, 40.53], [127.25, 40.0], [127.03, 39.47], [126.68, 39.32], [126.53, 38.97], [126.18, 38.82], [126.03, 38.47], [125.5, 38.25], [125.25, 38.35], [125.18, 38.32], [125.03, 37.97], [124.5, 37.75], [124.25, 37.85], [124.0, 37.75], [123.47, 37.97], [123.32, 38.32], [122.97, 38.47], [122.75, 39.0], [122.85, 39.25], [122.75, 39.5]]]]}, "2022-03-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[122.75, 39.5], [122.85, 39.75], [122.75, 40.0], [122.97, 40.53], [123.32, 40.68], [123.47, 41.03], [124.0, 41.25], [124.25, 41.15], [124.5, 41.25], [124.75, 41.15], [125.0, 41.25], [125.25, 41.15], [125.5, 41.25], [126.03, 41.03], [126.18, 40.68], [126.25, 40.65], [126.5, 40.75], [127.03, 40.53], [127.25, 40.0], [127.03, 39.47], [126.68, 39.32], [126.53, 38.97], [126.18, 38.82], [126.03, 38.47], [125.5, 38.25], [125.25, 38.35], [125.18, 38.32], [125.03, 37.97], [124.5, 37.75], [124.25, 37.85], [124.0, 37.75], [123.47, 37.97], [123.32, 38.32], [122.97, 38.47], [122.75, 39.0], [122.85, 39.25], [122.75, 39.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.255314045475586}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.496265003960902}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [7.162237779426789, 7.733028184731779, 8.042744576769337]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [9.933583637616891, 10.570777330611122, 10.403031664504624]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.1905289736646383, 3.5990065362165167, 3.69925950200155]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.484946310179794, 5.122752110273325, 5.255314045475586]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.568953331122644, 1.8116001065700018, 1.7706831583599834]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8618376069185947, 2.62533521738618, 2.5485607127568675]}}