{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:48:40.516369", "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-Oct-06_to_2011-Oct-11_100.5_43.0"}, "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": 2011100001868}, "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": "October 06 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 11 2011"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 52286.85110077576}, "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", "Mongolia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.C.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": 43.0}, "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": 100.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "100.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 98.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 104.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 41.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 44.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-10-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[97.97, 41.97], [97.75, 42.5], [97.97, 43.03], [98.5, 43.25], [98.75, 43.15], [98.88, 43.2], [98.82, 43.32], [98.47, 43.47], [98.25, 44.0], [98.47, 44.53], [99.0, 44.75], [99.53, 44.53], [99.68, 44.18], [99.75, 44.15], [100.0, 44.25], [100.53, 44.03], [100.68, 43.68], [101.03, 43.53], [101.25, 43.0], [101.03, 42.47], [100.5, 42.25], [99.97, 42.47], [99.82, 42.82], [99.75, 42.85], [99.63, 42.8], [99.75, 42.5], [99.53, 41.97], [99.0, 41.75], [98.75, 41.85], [98.5, 41.75], [97.97, 41.97]]]]}, "2011-10-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[97.97, 41.97], [97.75, 42.5], [97.97, 43.03], [98.5, 43.25], [98.75, 43.15], [98.88, 43.2], [98.82, 43.32], [98.47, 43.47], [98.25, 44.0], [98.47, 44.53], [99.0, 44.75], [99.53, 44.53], [99.68, 44.18], [99.75, 44.15], [100.0, 44.25], [100.53, 44.03], [100.68, 43.68], [100.75, 43.65], [101.0, 43.75], [101.53, 43.53], [101.75, 43.0], [101.53, 42.47], [101.18, 42.32], [101.03, 41.97], [100.5, 41.75], [100.25, 41.85], [100.0, 41.75], [99.75, 41.85], [99.5, 41.75], [99.25, 41.85], [99.0, 41.75], [98.75, 41.85], [98.5, 41.75], [97.97, 41.97]]]]}, "2011-10-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[97.97, 41.97], [97.75, 42.5], [97.97, 43.03], [98.5, 43.25], [98.75, 43.15], [98.88, 43.2], [98.82, 43.32], [98.47, 43.47], [98.25, 44.0], [98.47, 44.53], [99.0, 44.75], [99.53, 44.53], [99.68, 44.18], [99.75, 44.15], [100.0, 44.25], [100.53, 44.03], [100.68, 43.68], [100.75, 43.65], [101.0, 43.75], [101.53, 43.53], [101.68, 43.18], [101.75, 43.15], [102.0, 43.25], [102.25, 43.15], [102.5, 43.25], [103.03, 43.03], [103.25, 42.5], [103.15, 42.25], [103.25, 42.0], [103.03, 41.47], [102.5, 41.25], [102.25, 41.35], [102.0, 41.25], [101.47, 41.47], [101.32, 41.82], [101.25, 41.85], [101.18, 41.82], [101.03, 41.47], [100.5, 41.25], [100.25, 41.35], [100.0, 41.25], [99.47, 41.47], [99.32, 41.82], [99.25, 41.85], [99.0, 41.75], [98.75, 41.85], [98.5, 41.75], [97.97, 41.97]]]]}, "2011-10-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[97.97, 41.97], [97.75, 42.5], [97.97, 43.03], [98.5, 43.25], [98.75, 43.15], [98.88, 43.2], [98.82, 43.32], [98.47, 43.47], [98.25, 44.0], [98.47, 44.53], [99.0, 44.75], [99.53, 44.53], [99.68, 44.18], [99.75, 44.15], [100.0, 44.25], [100.53, 44.03], [100.68, 43.68], [100.75, 43.65], [101.0, 43.75], [101.53, 43.53], [101.68, 43.18], [101.75, 43.15], [102.0, 43.25], [102.25, 43.15], [102.32, 43.18], [102.47, 43.53], [103.0, 43.75], [103.25, 43.65], [103.5, 43.75], [104.03, 43.53], [104.18, 43.18], [104.53, 43.03], [104.75, 42.5], [104.53, 41.97], [104.0, 41.75], [103.75, 41.85], [103.5, 41.75], [103.25, 41.85], [103.18, 41.82], [103.03, 41.47], [102.5, 41.25], [102.25, 41.35], [102.0, 41.25], [101.47, 41.47], [101.32, 41.82], [101.25, 41.85], [101.18, 41.82], [101.03, 41.47], [100.5, 41.25], [100.25, 41.35], [100.0, 41.25], [99.47, 41.47], [99.32, 41.82], [99.25, 41.85], [99.0, 41.75], [98.75, 41.85], [98.5, 41.75], [97.97, 41.97]]]]}, "2011-10-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[99.47, 43.03], [99.82, 43.18], [99.97, 43.53], [100.5, 43.75], [100.75, 43.65], [101.0, 43.75], [101.53, 43.53], [101.68, 43.18], [101.75, 43.15], [102.0, 43.25], [102.25, 43.15], [102.32, 43.18], [102.47, 43.53], [103.0, 43.75], [103.25, 43.65], [103.5, 43.75], [104.03, 43.53], [104.18, 43.18], [104.53, 43.03], [104.75, 42.5], [104.53, 41.97], [104.0, 41.75], [103.75, 41.85], [103.5, 41.75], [103.25, 41.85], [103.18, 41.82], [103.03, 41.47], [102.5, 41.25], [102.25, 41.35], [102.0, 41.25], [101.47, 41.47], [101.32, 41.82], [101.25, 41.85], [101.18, 41.82], [101.03, 41.47], [100.5, 41.25], [100.25, 41.35], [100.0, 41.25], [99.47, 41.47], [99.25, 42.0], [99.35, 42.25], [99.25, 42.5], [99.47, 43.03]]]]}, "2011-10-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[103.0, 43.75], [103.25, 43.65], [103.5, 43.75], [104.03, 43.53], [104.18, 43.18], [104.53, 43.03], [104.75, 42.5], [104.53, 41.97], [104.0, 41.75], [103.75, 41.85], [103.5, 41.75], [103.25, 41.85], [103.0, 41.75], [102.75, 41.85], [102.5, 41.75], [101.97, 41.97], [101.75, 42.5], [101.97, 43.03], [102.32, 43.18], [102.47, 43.53], [103.0, 43.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.031634403651083}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.3040888832937085}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [16.2227758028763, 16.163877191405334, 15.928510099991456, 15.819265394426793, 16.252134620577465, 14.13016871915687]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [17.300850102009463, 17.5879744385864, 17.136643335837846, 17.842944357221143, 18.349157205138738, 15.181143177410775]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.922619596976925, 4.955095503776841, 4.592808565569805, 5.315439057467959, 6.257127263169426, 5.657270344661157]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.173689440213423, 5.979836709957112, 5.143943664408312, 5.902948383022931, 7.031634403651083, 5.990087724630371]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3931961884300776, 1.4275101102126608, 1.337141937189755, 1.5272941158583124, 1.7982700664793416, 1.6126376747659472]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4597910121662638, 1.6860975249957384, 1.452122214552578, 1.756687571476365, 2.0530081685814565, 1.7444581497637042]}}