{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:51:13.246720", "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": "2012-Aug-05_to_2012-Aug-07_123.5_50.5"}, "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": 2012080001821}, "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": "August 05 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 07 2012"}, "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": 123937.23234618765}, "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.Siberia"]}, "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": 50.5}, "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": 123.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "123.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 120.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 127.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 48.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 52.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-08-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[119.97, 51.53], [120.32, 51.68], [120.47, 52.03], [121.0, 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[119.75, 51.0], [119.97, 51.53]]]]}, "2012-08-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[119.97, 51.53], [120.32, 51.68], [120.47, 52.03], [121.0, 52.25], [121.25, 52.15], [121.32, 52.18], [121.47, 52.53], [122.0, 52.75], [122.25, 52.65], [122.5, 52.75], [122.75, 52.65], [123.0, 52.75], [123.53, 52.53], [123.68, 52.18], [123.75, 52.15], [124.0, 52.25], [124.25, 52.15], [124.5, 52.25], [125.0, 52.04], [125.5, 52.25], [125.75, 52.15], [126.0, 52.25], [126.53, 52.03], [126.68, 51.68], [127.03, 51.53], [127.18, 51.18], [127.53, 51.03], [127.75, 50.5], [127.53, 49.97], [127.18, 49.82], [127.03, 49.47], [126.5, 49.25], [125.97, 49.47], [125.82, 49.82], [125.75, 49.85], [125.5, 49.75], [125.25, 49.85], [125.18, 49.82], [125.03, 49.47], [124.68, 49.32], [124.53, 48.97], [124.18, 48.82], [124.03, 48.47], [123.5, 48.25], [123.25, 48.35], [123.0, 48.25], [122.75, 48.35], [122.68, 48.32], [122.53, 47.97], [122.0, 47.75], [121.75, 47.85], [121.5, 47.75], [120.97, 47.97], 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"anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.806745697685252, 5.835444707729035, 4.767237188144934]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.586684978660514, 6.42861668630843, 5.910348889527711]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.820839253866367, 2.1848866811821166, 1.7542039003168457]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.4600518525128128, 2.4404955169446243, 2.1341323637726792]}}