{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:46:25.499474", "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": "2010-Dec-06_to_2010-Dec-09_103.5_45.0"}, "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": 2010120001878}, "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": "December 06 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 09 2010"}, "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": 169381.08264801843}, "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", "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": 45.0}, "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": 103.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "103.5\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": 108.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 40.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 45.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-12-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[103.5, 46.25], [104.03, 46.03], [104.25, 45.5], [104.15, 45.25], [104.25, 45.0], [104.03, 44.47], [103.5, 44.25], [103.25, 44.35], [103.0, 44.25], [102.47, 44.47], [102.25, 45.0], [102.47, 45.53], [102.82, 45.68], [102.97, 46.03], [103.5, 46.25]]]]}, "2010-12-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[97.97, 40.97], [97.75, 41.5], [97.97, 42.03], [98.5, 42.25], [98.75, 42.15], [99.0, 42.25], [99.25, 42.15], [99.5, 42.25], [99.75, 42.15], [99.82, 42.18], [99.85, 42.25], [99.75, 42.5], [99.97, 43.03], [100.5, 43.25], [100.75, 43.15], [101.0, 43.25], [101.25, 43.15], [101.5, 43.25], [101.75, 43.15], [102.0, 43.25], [102.25, 43.15], [102.32, 43.18], [102.47, 43.53], [103.0, 43.75], [103.53, 43.53], [103.68, 43.18], [104.03, 43.03], [104.25, 42.5], [104.13, 42.2], [104.25, 42.15], [104.5, 42.25], [104.75, 42.15], [104.82, 42.18], [104.97, 42.53], [105.32, 42.68], [105.35, 42.75], [105.25, 43.0], [105.47, 43.53], [105.82, 43.68], [105.93, 43.93], [105.5, 43.75], [105.25, 43.85], [105.0, 43.75], [104.75, 43.85], [104.5, 43.75], [104.25, 43.85], [104.0, 43.75], [103.75, 43.85], [103.5, 43.75], [102.97, 43.97], [102.82, 44.32], [102.47, 44.47], [102.25, 45.0], [102.47, 45.53], [102.82, 45.68], [102.97, 46.03], [103.5, 46.25], [103.75, 46.15], [104.0, 46.25], [104.25, 46.15], [104.5, 46.25], [105.03, 46.03], [105.18, 45.68], [105.25, 45.65], [105.5, 45.75], [105.75, 45.65], [105.82, 45.68], [105.97, 46.03], [106.5, 46.25], [106.75, 46.15], [107.0, 46.25], [107.25, 46.15], [107.5, 46.25], [108.03, 46.03], [108.25, 45.5], [108.15, 45.25], [108.25, 45.0], [108.15, 44.75], [108.18, 44.68], [108.25, 44.65], [108.5, 44.75], [109.03, 44.53], [109.25, 44.0], [109.03, 43.47], [108.68, 43.32], [108.53, 42.97], [108.18, 42.82], [108.03, 42.47], [107.5, 42.25], [107.25, 42.35], [107.18, 42.32], [107.03, 41.97], [106.68, 41.82], [106.53, 41.47], [106.18, 41.32], [106.15, 41.25], [106.25, 41.0], [106.03, 40.47], [105.5, 40.25], [105.25, 40.35], [105.0, 40.25], [104.75, 40.35], [104.5, 40.25], [104.25, 40.35], [104.0, 40.25], [103.47, 40.47], [103.32, 40.82], [103.25, 40.85], [103.0, 40.75], [102.75, 40.85], [102.5, 40.75], [102.25, 40.85], [102.0, 40.75], [101.75, 40.85], [101.68, 40.82], [101.53, 40.47], [101.0, 40.25], [100.75, 40.35], [100.5, 40.25], [100.25, 40.35], [100.0, 40.25], [99.47, 40.47], [99.32, 40.82], [99.25, 40.85], [99.0, 40.75], [98.75, 40.85], [98.5, 40.75], [97.97, 40.97]]]]}, "2010-12-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[97.97, 40.97], [97.75, 41.5], [97.97, 42.03], [98.5, 42.25], [98.75, 42.15], [99.0, 42.25], [99.25, 42.15], [99.5, 42.25], [99.75, 42.15], [99.82, 42.18], [99.85, 42.25], [99.75, 42.5], [99.97, 43.03], [100.5, 43.25], [100.75, 43.15], [101.0, 43.25], [101.25, 43.15], [101.5, 43.25], [101.75, 43.15], [102.0, 43.25], [102.25, 43.15], [102.32, 43.18], [102.47, 43.53], [103.0, 43.75], [103.53, 43.53], [103.68, 43.18], [104.03, 43.03], [104.25, 42.5], [104.13, 42.2], [104.25, 42.15], [104.5, 42.25], [104.75, 42.15], [104.82, 42.18], [104.97, 42.53], [105.32, 42.68], [105.35, 42.75], [105.25, 43.0], [105.47, 43.53], [105.82, 43.68], [105.93, 43.93], [105.5, 43.75], [105.25, 43.85], [105.0, 43.75], [104.75, 43.85], [104.5, 43.75], [104.25, 43.85], [104.0, 43.75], [103.75, 43.85], [103.5, 43.75], [102.97, 43.97], [102.82, 44.32], [102.47, 44.47], [102.25, 45.0], [102.47, 45.53], [102.82, 45.68], [102.97, 46.03], [103.5, 46.25], [103.75, 46.15], [104.0, 46.25], [104.25, 46.15], [104.5, 46.25], [105.03, 46.03], [105.18, 45.68], [105.25, 45.65], [105.5, 45.75], [105.75, 45.65], [105.82, 45.68], [105.97, 46.03], [106.5, 46.25], [106.75, 46.15], [107.0, 46.25], [107.25, 46.15], [107.5, 46.25], [108.03, 46.03], [108.25, 45.5], [108.15, 45.25], [108.25, 45.0], [108.15, 44.75], [108.18, 44.68], [108.25, 44.65], [108.5, 44.75], [109.03, 44.53], [109.25, 44.0], [109.03, 43.47], [108.68, 43.32], [108.53, 42.97], [108.18, 42.82], [108.03, 42.47], [107.5, 42.25], [107.25, 42.35], [107.18, 42.32], [107.03, 41.97], [106.68, 41.82], [106.53, 41.47], [106.18, 41.32], [106.15, 41.25], [106.25, 41.0], [106.03, 40.47], [105.5, 40.25], [105.25, 40.35], [105.0, 40.25], [104.75, 40.35], [104.5, 40.25], [104.25, 40.35], [104.0, 40.25], [103.47, 40.47], [103.32, 40.82], [103.25, 40.85], [103.0, 40.75], [102.75, 40.85], [102.5, 40.75], [102.25, 40.85], [102.0, 40.75], [101.75, 40.85], [101.68, 40.82], [101.53, 40.47], [101.0, 40.25], [100.75, 40.35], [100.5, 40.25], [100.25, 40.35], [100.0, 40.25], [99.47, 40.47], [99.32, 40.82], [99.25, 40.85], [99.0, 40.75], [98.75, 40.85], [98.5, 40.75], [97.97, 40.97]]]]}, "2010-12-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[97.97, 40.97], [97.75, 41.5], [97.97, 42.03], [98.5, 42.25], [98.75, 42.15], [99.0, 42.25], [99.25, 42.15], [99.5, 42.25], [99.75, 42.15], [99.82, 42.18], [99.85, 42.25], [99.75, 42.5], [99.97, 43.03], [100.5, 43.25], [100.75, 43.15], [101.0, 43.25], [101.25, 43.15], [101.5, 43.25], [101.75, 43.15], [102.0, 43.25], [102.25, 43.15], [102.32, 43.18], [102.47, 43.53], [103.0, 43.75], [103.53, 43.53], [103.68, 43.18], [104.03, 43.03], [104.25, 42.5], [104.13, 42.2], [104.25, 42.15], [104.5, 42.25], [104.75, 42.15], [104.82, 42.18], [104.97, 42.53], [105.32, 42.68], [105.35, 42.75], [105.25, 43.0], [105.47, 43.53], [105.82, 43.68], [105.93, 43.93], [105.5, 43.75], [105.25, 43.85], [105.0, 43.75], [104.75, 43.85], [104.5, 43.75], [104.25, 43.85], [104.0, 43.75], [103.75, 43.85], [103.5, 43.75], [102.97, 43.97], [102.82, 44.32], [102.47, 44.47], [102.25, 45.0], [102.47, 45.53], [103.0, 45.75], [103.25, 45.65], [103.32, 45.68], [103.47, 46.03], [104.0, 46.25], [104.25, 46.15], [104.5, 46.25], [105.03, 46.03], [105.18, 45.68], [105.25, 45.65], [105.5, 45.75], [105.75, 45.65], [105.82, 45.68], [105.97, 46.03], [106.5, 46.25], [106.75, 46.15], [107.0, 46.25], [107.25, 46.15], [107.5, 46.25], [108.03, 46.03], [108.25, 45.5], [108.15, 45.25], [108.25, 45.0], [108.15, 44.75], [108.18, 44.68], [108.25, 44.65], [108.5, 44.75], [109.03, 44.53], [109.25, 44.0], [109.03, 43.47], [108.68, 43.32], [108.53, 42.97], [108.18, 42.82], [108.03, 42.47], [107.5, 42.25], [107.25, 42.35], [107.18, 42.32], [107.03, 41.97], [106.68, 41.82], [106.53, 41.47], [106.18, 41.32], [106.15, 41.25], [106.25, 41.0], [106.03, 40.47], [105.5, 40.25], [105.25, 40.35], [105.0, 40.25], [104.75, 40.35], [104.5, 40.25], [104.25, 40.35], [104.0, 40.25], [103.47, 40.47], [103.32, 40.82], [103.25, 40.85], [103.0, 40.75], [102.75, 40.85], [102.5, 40.75], [102.25, 40.85], [102.0, 40.75], [101.75, 40.85], [101.68, 40.82], [101.53, 40.47], [101.0, 40.25], [100.75, 40.35], [100.5, 40.25], [100.25, 40.35], [100.0, 40.25], [99.47, 40.47], [99.32, 40.82], [99.25, 40.85], [99.0, 40.75], [98.75, 40.85], [98.5, 40.75], [97.97, 40.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 12.05170712637846}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 7.095133750116062}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [-6.903221564065177, -3.453589045819456, -2.489644885389623, -4.011330309080506]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [-5.99977726551208, 0.5704620469949191, -0.20796921054380846, -0.1680599953721753]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [6.2290744232114434, 6.885392929290559, 7.983481135950687, 6.44246733937322]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.388590502822069, 11.462729658353965, 12.05170712637846, 9.337952113971824]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2792742506322659, 1.5469823669817597, 1.843689168109969, 1.509353175160969]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3259558622482006, 2.415514719589265, 2.711181210576708, 2.1572674563881296]}}