{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:47:46.622587", "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": "2011-Jun-08_to_2011-Jun-11_121.0_29.0"}, "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": 2011060002124}, "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 08 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 11 2011"}, "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": 59819.8315893664}, "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": 29.0}, "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": 121.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "121.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 117.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 121.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 26.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 30.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-06-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[118.0, 29.25], [118.25, 29.15], [118.5, 29.25], [119.0, 29.04], [119.32, 29.18], [119.47, 29.53], [119.82, 29.68], [119.85, 29.75], [119.75, 30.0], [119.97, 30.53], [120.5, 30.75], [120.75, 30.65], [121.0, 30.75], [121.53, 30.53], [121.75, 30.0], [121.65, 29.75], [121.75, 29.5], [121.65, 29.25], [121.75, 29.0], [121.53, 28.47], [121.18, 28.32], [121.03, 27.97], [120.5, 27.75], [120.25, 27.85], [120.0, 27.75], [119.75, 27.85], [119.5, 27.75], [119.0, 27.96], [118.5, 27.75], [118.25, 27.85], [118.18, 27.82], [118.03, 27.47], [117.5, 27.25], [116.97, 27.47], [116.75, 28.0], [116.97, 28.53], [117.32, 28.68], [117.47, 29.03], [118.0, 29.25]]]]}, "2011-06-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[118.0, 29.25], [118.25, 29.15], [118.5, 29.25], [119.0, 29.04], [119.32, 29.18], [119.47, 29.53], [119.82, 29.68], [119.85, 29.75], [119.75, 30.0], [119.97, 30.53], [120.5, 30.75], [120.75, 30.65], [121.0, 30.75], [121.53, 30.53], [121.75, 30.0], [121.65, 29.75], [121.75, 29.5], [121.65, 29.25], [121.75, 29.0], [121.53, 28.47], [121.18, 28.32], [121.15, 28.25], [121.25, 28.0], [121.15, 27.75], [121.25, 27.5], [121.03, 26.97], [120.5, 26.75], [120.25, 26.85], [120.18, 26.82], [120.15, 26.75], [120.25, 26.5], [120.03, 25.97], [119.5, 25.75], [118.97, 25.97], [118.75, 26.5], [118.85, 26.75], [118.75, 27.0], [118.85, 27.25], [118.82, 27.32], [118.5, 27.46], [118.0, 27.25], [117.75, 27.35], [117.5, 27.25], [116.97, 27.47], [116.75, 28.0], [116.97, 28.53], [117.32, 28.68], [117.47, 29.03], [118.0, 29.25]]]]}, "2011-06-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[118.0, 29.25], [118.25, 29.15], [118.5, 29.25], [119.0, 29.04], [119.32, 29.18], [119.47, 29.53], [119.82, 29.68], [119.85, 29.75], [119.75, 30.0], [119.97, 30.53], [120.5, 30.75], [120.75, 30.65], [121.0, 30.75], [121.53, 30.53], [121.75, 30.0], [121.65, 29.75], [121.75, 29.5], [121.65, 29.25], [121.75, 29.0], [121.53, 28.47], [121.18, 28.32], [121.15, 28.25], [121.25, 28.0], [121.15, 27.75], [121.25, 27.5], [121.03, 26.97], [120.5, 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3.3575814322643422, 3.2467573591217214, 3.1410788331694826]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.6845817579155664, 5.14555581305865, 3.827501284802281, 3.8265194053171854]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.443425323605449, 1.5482233444704194, 1.4581796038102213, 1.3856849625243566]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6246875634955833, 2.1233087844464635, 1.776653713347702, 1.6334615713238665]}}