{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:35:40.280612", "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": "2023-Jun-09_to_2023-Jun-11_111.0_28.5"}, "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": 2023060001614}, "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 09 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 11 2023"}, "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": 51585.53993856325}, "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": []}, "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": 28.5}, "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": 111.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "111.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 108.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 113.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 27.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 29.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-06-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[108.47, 27.47], [108.25, 28.0], [108.47, 28.53], [109.0, 28.75], [109.25, 28.65], [109.32, 28.68], [109.35, 28.75], [109.25, 29.0], [109.47, 29.53], [110.0, 29.75], [110.25, 29.65], [110.5, 29.75], [110.75, 29.65], [110.82, 29.68], [110.97, 30.03], [111.5, 30.25], [112.03, 30.03], [112.18, 29.68], [112.25, 29.65], [112.5, 29.75], [112.75, 29.65], [113.0, 29.75], [113.53, 29.53], [113.75, 29.0], [113.53, 28.47], [113.0, 28.25], [112.75, 28.35], [112.68, 28.32], [112.53, 27.97], [112.18, 27.82], [112.03, 27.47], [111.68, 27.32], [111.53, 26.97], [111.0, 26.75], [110.47, 26.97], [110.32, 27.32], [110.0, 27.46], [109.5, 27.25], [109.25, 27.35], [109.0, 27.25], [108.47, 27.47]]]]}, "2023-06-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[108.47, 27.47], [108.25, 28.0], [108.47, 28.53], [109.0, 28.75], [109.25, 28.65], [109.32, 28.68], [109.35, 28.75], [109.25, 29.0], [109.47, 29.53], [110.0, 29.75], [110.25, 29.65], [110.5, 29.75], [110.75, 29.65], [110.82, 29.68], [110.97, 30.03], [111.5, 30.25], [112.03, 30.03], [112.18, 29.68], [112.25, 29.65], [112.5, 29.75], [112.75, 29.65], [113.0, 29.75], [113.53, 29.53], [113.75, 29.0], [113.53, 28.47], [113.0, 28.25], [112.75, 28.35], [112.68, 28.32], [112.53, 27.97], [112.18, 27.82], [112.03, 27.47], [111.68, 27.32], [111.53, 26.97], [111.0, 26.75], [110.47, 26.97], [110.32, 27.32], [110.0, 27.46], [109.5, 27.25], [109.25, 27.35], [109.0, 27.25], [108.47, 27.47]]]]}, "2023-06-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[108.47, 27.47], [108.25, 28.0], [108.47, 28.53], [109.0, 28.75], [109.25, 28.65], [109.32, 28.68], [109.35, 28.75], [109.25, 29.0], [109.47, 29.53], [110.0, 29.75], [110.25, 29.65], [110.5, 29.75], [110.75, 29.65], [110.82, 29.68], [110.97, 30.03], [111.5, 30.25], [112.03, 30.03], [112.18, 29.68], [112.25, 29.65], [112.5, 29.75], [112.75, 29.65], [113.0, 29.75], [113.53, 29.53], [113.75, 29.0], [113.53, 28.47], [113.0, 28.25], [112.75, 28.35], [112.68, 28.32], [112.53, 27.97], [112.18, 27.82], [112.03, 27.47], [111.68, 27.32], [111.53, 26.97], [111.0, 26.75], [110.47, 26.97], [110.32, 27.32], [110.0, 27.46], [109.5, 27.25], [109.25, 27.35], [109.0, 27.25], [108.47, 27.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.7880406841040895}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.8220289261908076}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.979524118045845, 28.122620105530302, 28.053488253408716]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.758602540504285, 30.278741742433397, 29.768849569699057]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.8741352628567225, 3.8881799265540318, 3.703771589161668]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.6382752998209185, 4.7880406841040895, 4.283148520250961]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.548813000930401, 1.5485811288679663, 1.4919433976909093]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7943878473356152, 1.8404664642951605, 1.779160561131836]}}