{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:22:03.325038", "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-Jul-27_to_2022-Aug-02_126.0_37.5"}, "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": 2022070002918}, "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": "July 27 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 02 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 63928.40175087578}, "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": ["Korea, Democratic People's Republic of", "Korea, 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": 37.5}, "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": 126.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "126.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 125.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 127.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 35.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 39.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[125.32, 38.18], [125.35, 38.25], [125.32, 38.32], [124.97, 38.47], [124.75, 39.0], [124.97, 39.53], [125.5, 39.75], [126.0, 39.54], [126.5, 39.75], [127.03, 39.53], [127.18, 39.18], [127.25, 39.15], [127.5, 39.25], [128.03, 39.03], [128.25, 38.5], [128.15, 38.25], [128.25, 38.0], [128.15, 37.75], [128.25, 37.5], [128.03, 36.97], [127.68, 36.82], [127.54, 36.5], [127.75, 36.0], [127.53, 35.47], [127.18, 35.32], [127.03, 34.97], [126.68, 34.82], [126.53, 34.47], [126.0, 34.25], [125.47, 34.47], [125.25, 35.0], [125.35, 35.25], [125.25, 35.5], [125.35, 35.75], [125.25, 36.0], [125.35, 36.25], [125.25, 36.5], [125.35, 36.75], [125.32, 36.82], [124.97, 36.97], [124.75, 37.5], [124.97, 38.03], [125.32, 38.18]]]]}}, "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": {"2022-07-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[125.75, 39.0], [125.97, 39.53], [126.5, 39.75], [127.03, 39.53], [127.18, 39.18], [127.25, 39.15], [127.5, 39.25], [128.03, 39.03], [128.25, 38.5], [128.03, 37.97], [127.5, 37.75], [127.25, 37.85], [127.13, 37.8], [127.25, 37.5], [127.03, 36.97], [126.5, 36.75], [126.25, 36.85], [126.0, 36.75], [125.47, 36.97], [125.25, 37.5], [125.47, 38.03], [125.88, 38.2], [125.75, 38.5], [125.85, 38.75], [125.75, 39.0]]]]}, "2022-07-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[124.97, 38.47], [124.75, 39.0], [124.97, 39.53], [125.5, 39.75], [126.0, 39.54], [126.5, 39.75], [127.03, 39.53], [127.18, 39.18], [127.25, 39.15], [127.5, 39.25], [128.03, 39.03], [128.25, 38.5], [128.15, 38.25], [128.25, 38.0], [128.15, 37.75], [128.25, 37.5], [128.03, 36.97], [127.68, 36.82], [127.54, 36.5], [127.75, 36.0], [127.53, 35.47], [127.18, 35.32], [127.03, 34.97], [126.5, 34.75], [126.25, 34.85], [126.0, 34.75], [125.47, 34.97], [125.25, 35.5], [125.35, 35.75], [125.25, 36.0], [125.35, 36.25], [125.25, 36.5], [125.46, 37.0], [125.25, 37.5], [125.35, 37.75], [125.25, 38.0], [125.35, 38.25], [125.32, 38.32], [124.97, 38.47]]]]}, "2022-07-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[124.97, 36.97], [124.75, 37.5], [124.97, 38.03], [125.32, 38.18], [125.35, 38.25], [125.32, 38.32], [124.97, 38.47], [124.75, 39.0], [124.97, 39.53], [125.5, 39.75], [126.0, 39.54], [126.5, 39.75], [127.03, 39.53], [127.18, 39.18], [127.25, 39.15], [127.5, 39.25], [128.03, 39.03], [128.25, 38.5], [128.15, 38.25], [128.25, 38.0], [128.15, 37.75], [128.25, 37.5], [128.03, 36.97], [127.68, 36.82], [127.54, 36.5], [127.75, 36.0], [127.53, 35.47], [127.18, 35.32], [127.03, 34.97], [126.68, 34.82], [126.53, 34.47], [126.0, 34.25], [125.47, 34.47], [125.25, 35.0], [125.35, 35.25], [125.25, 35.5], [125.35, 35.75], [125.25, 36.0], [125.35, 36.25], [125.25, 36.5], [125.35, 36.75], [125.32, 36.82], [124.97, 36.97]]]]}, "2022-07-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[124.97, 36.97], [124.75, 37.5], [124.97, 38.03], [125.32, 38.18], [125.35, 38.25], [125.32, 38.32], [124.97, 38.47], [124.75, 39.0], [124.97, 39.53], [125.5, 39.75], [126.0, 39.54], [126.5, 39.75], [127.03, 39.53], [127.18, 39.18], [127.25, 39.15], [127.5, 39.25], [128.03, 39.03], [128.25, 38.5], [128.15, 38.25], [128.25, 38.0], [128.15, 37.75], [128.25, 37.5], [128.03, 36.97], [127.68, 36.82], [127.54, 36.5], [127.75, 36.0], [127.53, 35.47], [127.18, 35.32], [127.03, 34.97], [126.68, 34.82], [126.53, 34.47], [126.0, 34.25], [125.47, 34.47], [125.25, 35.0], [125.35, 35.25], [125.25, 35.5], [125.35, 35.75], [125.25, 36.0], [125.35, 36.25], [125.25, 36.5], [125.35, 36.75], [125.32, 36.82], [124.97, 36.97]]]]}, "2022-07-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[124.97, 36.97], [124.75, 37.5], [124.97, 38.03], [125.5, 38.25], [125.75, 38.15], [126.0, 38.25], [126.53, 38.03], [126.75, 37.5], [126.65, 37.25], [126.75, 37.0], [126.65, 36.75], [126.75, 36.5], [126.65, 36.25], [126.75, 36.0], [126.65, 35.75], [126.75, 35.5], [126.65, 35.25], [126.75, 35.0], [126.53, 34.47], [126.0, 34.25], [125.47, 34.47], [125.25, 35.0], [125.35, 35.25], [125.25, 35.5], [125.35, 35.75], [125.25, 36.0], [125.35, 36.25], [125.25, 36.5], [125.35, 36.75], [125.32, 36.82], [124.97, 36.97]]]]}, "2022-08-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[124.97, 36.97], [124.75, 37.5], [124.97, 38.03], [125.5, 38.25], [125.75, 38.15], [126.0, 38.25], [126.53, 38.03], [126.75, 37.5], [126.65, 37.25], [126.75, 37.0], [126.65, 36.75], [126.75, 36.5], [126.65, 36.25], [126.75, 36.0], [126.53, 35.47], [126.0, 35.25], [125.47, 35.47], [125.25, 36.0], [125.35, 36.25], [125.25, 36.5], [125.35, 36.75], [125.32, 36.82], [124.97, 36.97]]]]}, "2022-08-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[125.25, 37.5], [125.47, 38.03], [126.0, 38.25], [126.53, 38.03], [126.75, 37.5], [126.65, 37.25], [126.75, 37.0], [126.53, 36.47], [126.0, 36.25], [125.47, 36.47], [125.25, 37.0], [125.35, 37.25], [125.25, 37.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.8927312074740144}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.611689518341662}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.60708902743545, 27.74238615113677, 28.225980887246237, 28.31627659523815, 26.65816909463439, 26.728967697663734, 26.005522616432472]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.871475682898392, 29.238588531551443, 30.564217357291966, 29.934598249305907, 27.219133357683404, 27.128006180041496, 26.374925395621176]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.4056757439651335, 2.430052581006311, 2.916034881776159, 2.8919243331360267, 1.8631226246370471, 2.0497075706801526, 1.7439523009725235]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.7833145776618835, 3.2605666386773464, 3.6995759580518666, 3.8927312074740144, 2.2302781461636982, 2.5942851018425586, 1.9435423576041444]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.396900483757227, 1.5172513401469225, 1.914231067850692, 1.885922491731717, 1.536070652684606, 1.7114259273676062, 1.4656885945072773]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5020660034876663, 1.8365149831096215, 2.419332109678084, 2.816266610790881, 1.932105943523866, 2.1898630279685305, 1.5901108848555994]}}