{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:19:55.997357", "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": "2019-Jun-04_to_2019-Jun-06_121.5_29.5"}, "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": 2019060001499}, "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 04 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 06 2019"}, "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": 59348.48522226132}, "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"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Asia"]}, "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": ["Eastern China 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": 29.5}, "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": 121.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "121.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 118.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 121.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 26.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 31.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-06-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[118.75, 28.0], [118.97, 28.53], [119.32, 28.68], [119.47, 29.03], [119.82, 29.18], [119.85, 29.25], [119.82, 29.32], [119.47, 29.47], [119.25, 30.0], [119.35, 30.25], [119.25, 30.5], [119.47, 31.03], [119.82, 31.18], [119.97, 31.53], [120.5, 31.75], [120.75, 31.65], [121.0, 31.75], [121.53, 31.53], [121.75, 31.0], [121.63, 30.7], [122.03, 30.53], [122.25, 30.0], [122.15, 29.75], [122.25, 29.5], [122.15, 29.25], [122.25, 29.0], [122.03, 28.47], [121.68, 28.32], [121.53, 27.97], [121.18, 27.82], [121.03, 27.47], [120.5, 27.25], [120.25, 27.35], [120.18, 27.32], [120.03, 26.97], [119.68, 26.82], [119.53, 26.47], [119.0, 26.25], [118.47, 26.47], [118.25, 27.0], [118.47, 27.53], [118.82, 27.68], [118.85, 27.75], [118.75, 28.0]]]]}, "2019-06-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[118.75, 28.0], [118.97, 28.53], [119.32, 28.68], [119.47, 29.03], [119.82, 29.18], [119.85, 29.25], [119.82, 29.32], [119.47, 29.47], [119.25, 30.0], [119.35, 30.25], [119.25, 30.5], [119.47, 31.03], [119.82, 31.18], [119.97, 31.53], [120.5, 31.75], [120.75, 31.65], [121.0, 31.75], [121.53, 31.53], [121.75, 31.0], [121.63, 30.7], [122.03, 30.53], [122.25, 30.0], [122.15, 29.75], [122.25, 29.5], [122.15, 29.25], [122.25, 29.0], [122.03, 28.47], [121.68, 28.32], [121.53, 27.97], [121.18, 27.82], [121.03, 27.47], [120.5, 27.25], [120.25, 27.35], [120.18, 27.32], [120.03, 26.97], [119.68, 26.82], [119.53, 26.47], [119.0, 26.25], [118.47, 26.47], [118.25, 27.0], [118.47, 27.53], [118.82, 27.68], [118.85, 27.75], [118.75, 28.0]]]]}, "2019-06-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[118.75, 28.0], [118.97, 28.53], [119.32, 28.68], [119.47, 29.03], [119.82, 29.18], [119.85, 29.25], [119.82, 29.32], [119.47, 29.47], [119.25, 30.0], [119.35, 30.25], [119.25, 30.5], [119.47, 31.03], [119.82, 31.18], [119.97, 31.53], [120.5, 31.75], [120.75, 31.65], [121.0, 31.75], [121.53, 31.53], [121.75, 31.0], [121.63, 30.7], [122.03, 30.53], [122.25, 30.0], [122.15, 29.75], [122.25, 29.5], [122.15, 29.25], [122.25, 29.0], [122.03, 28.47], [121.68, 28.32], [121.53, 27.97], [121.18, 27.82], [121.03, 27.47], [120.5, 27.25], [120.25, 27.35], [120.18, 27.32], [120.03, 26.97], [119.68, 26.82], [119.53, 26.47], [119.0, 26.25], [118.47, 26.47], [118.25, 27.0], [118.47, 27.53], [118.82, 27.68], [118.85, 27.75], [118.75, 28.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.192280460256825}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.9392505333101724}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.18085584364468, 27.599497831954466, 27.06786002179257]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.55658692025264, 30.170053198204698, 28.306221825119735]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.3337813026700034, 4.597551422235463, 3.886418875025051]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.104861518797293, 6.192280460256825, 4.671184938529166]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.506634143038079, 2.1171465613829357, 1.8583248181874352]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.724992503353299, 2.584380100037955, 2.5674224304457667]}}