{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:08:06.498771", "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": "2017-May-16_to_2017-May-19_87.5_36.5"}, "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": 2017050002113}, "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": "May 16 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 19 2017"}, "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": 57574.600795365084}, "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.C.Asia", "Tibetan-Plateau"]}, "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": 36.5}, "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": 87.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "87.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 86.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 89.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 34.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 37.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-05-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[85.75, 35.5], [85.97, 36.03], [86.38, 36.2], [86.25, 36.5], [86.47, 37.03], [87.0, 37.25], [87.25, 37.15], [87.5, 37.25], [87.75, 37.15], [88.0, 37.25], [88.53, 37.03], [88.68, 36.68], [89.03, 36.53], [89.25, 36.0], [89.15, 35.75], [89.18, 35.68], [89.53, 35.53], [89.75, 35.0], [89.53, 34.47], [89.18, 34.32], [89.03, 33.97], [88.5, 33.75], [87.97, 33.97], [87.82, 34.32], [87.75, 34.35], [87.5, 34.25], [87.25, 34.35], [87.0, 34.25], [86.47, 34.47], [86.32, 34.82], [85.97, 34.97], [85.75, 35.5]]]]}, "2017-05-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[85.75, 35.5], [85.97, 36.03], [86.38, 36.2], [86.25, 36.5], [86.47, 37.03], [87.0, 37.25], [87.25, 37.15], [87.32, 37.18], [87.47, 37.53], [87.82, 37.68], [87.97, 38.03], [88.5, 38.25], [89.03, 38.03], [89.18, 37.68], [89.53, 37.53], [89.75, 37.0], [89.65, 36.75], [89.75, 36.5], [89.53, 35.97], [89.18, 35.82], [89.15, 35.75], [89.18, 35.68], [89.53, 35.53], [89.75, 35.0], [89.53, 34.47], [89.18, 34.32], [89.03, 33.97], [88.5, 33.75], [87.97, 33.97], [87.82, 34.32], [87.75, 34.35], [87.5, 34.25], [87.25, 34.35], [87.0, 34.25], [86.47, 34.47], [86.32, 34.82], [85.97, 34.97], [85.75, 35.5]]]]}, "2017-05-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[85.75, 35.5], [85.97, 36.03], [86.38, 36.2], [86.25, 36.5], [86.47, 37.03], [87.0, 37.25], [87.25, 37.15], [87.32, 37.18], [87.47, 37.53], [87.82, 37.68], [87.97, 38.03], [88.5, 38.25], [89.03, 38.03], [89.18, 37.68], [89.53, 37.53], [89.75, 37.0], [89.65, 36.75], [89.75, 36.5], [89.53, 35.97], [89.18, 35.82], [89.15, 35.75], [89.18, 35.68], [89.53, 35.53], [89.75, 35.0], [89.53, 34.47], [89.18, 34.32], [89.03, 33.97], [88.5, 33.75], [87.97, 33.97], [87.82, 34.32], [87.75, 34.35], [87.5, 34.25], [87.25, 34.35], [87.0, 34.25], [86.47, 34.47], [86.32, 34.82], [85.97, 34.97], [85.75, 35.5]]]]}, "2017-05-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[86.75, 36.5], [86.97, 37.03], [87.32, 37.18], [87.47, 37.53], [87.82, 37.68], [87.97, 38.03], [88.5, 38.25], [89.03, 38.03], [89.18, 37.68], [89.53, 37.53], [89.75, 37.0], [89.65, 36.75], [89.75, 36.5], [89.53, 35.97], [89.18, 35.82], [89.03, 35.47], [88.5, 35.25], [88.25, 35.35], [88.0, 35.25], [87.47, 35.47], [87.32, 35.82], [86.97, 35.97], [86.75, 36.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.466451470951085}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.06670040432119}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [-0.6496010808551773, 0.21829279886537734, 0.24208775252003534, -0.6267360903099757]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [2.4858925360685475, 3.5976848985434913, 3.6849448369605966, 3.163416396831394]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.815775845942045, 5.330371417353715, 5.1409275774950824, 4.7161063252909745]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.4924888269055145, 6.414856240776544, 6.466451470951085, 5.262293701342003]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4573931298639358, 1.576320025105265, 1.524628152165228, 1.4497803781259033]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6483905324951666, 2.241082876095832, 2.047232932267819, 1.6686617654943665]}}