{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:46:25.555280", "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-07_to_2010-Dec-13_114.5_32.5"}, "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": 2010120001915}, "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 07 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 13 2010"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 322894.27477271465}, "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": 32.5}, "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": 114.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "114.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 107.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 118.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 27.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 36.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-12-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[110.97, 34.47], [110.75, 35.0], [110.97, 35.53], [111.5, 35.75], [111.75, 35.65], [111.82, 35.68], [111.97, 36.03], [112.5, 36.25], [113.03, 36.03], [113.25, 35.5], [113.03, 34.97], [112.68, 34.82], [112.53, 34.47], [112.0, 34.25], [111.75, 34.35], [111.5, 34.25], [110.97, 34.47]]]]}, "2010-12-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[110.47, 30.53], [110.82, 30.68], [110.88, 30.8], [110.47, 30.97], [110.25, 31.5], [110.47, 32.03], [110.82, 32.18], [110.97, 32.53], [111.5, 32.75], [111.8, 32.63], [111.85, 32.75], [111.75, 33.0], [111.97, 33.53], [112.32, 33.68], [112.35, 33.75], [112.32, 33.82], [111.97, 33.97], [111.82, 34.32], [111.75, 34.35], [111.5, 34.25], [110.97, 34.47], [110.75, 35.0], [110.97, 35.53], [111.5, 35.75], [111.75, 35.65], [111.82, 35.68], [111.97, 36.03], [112.5, 36.25], [113.0, 36.04], [113.5, 36.25], [113.75, 36.15], [113.82, 36.18], [113.97, 36.53], [114.32, 36.68], [114.47, 37.03], [115.0, 37.25], [115.53, 37.03], [115.75, 36.5], [115.65, 36.25], [115.75, 36.0], [115.65, 35.75], [115.75, 35.5], [115.65, 35.25], [115.75, 35.0], [115.65, 34.75], [115.75, 34.5], [115.65, 34.25], [115.75, 34.0], [115.65, 33.75], [115.75, 33.5], [115.53, 32.97], [115.18, 32.82], [115.15, 32.75], [115.25, 32.5], [115.03, 31.97], [114.68, 31.82], [114.53, 31.47], [114.13, 31.3], [114.25, 31.0], [114.03, 30.47], [113.68, 30.32], [113.65, 30.25], [113.75, 30.0], [113.53, 29.47], [113.18, 29.32], [113.03, 28.97], [112.68, 28.82], [112.53, 28.47], [112.0, 28.25], [111.47, 28.47], [111.32, 28.82], [111.25, 28.85], [111.0, 28.75], [110.47, 28.97], [110.25, 29.5], [110.35, 29.75], [110.25, 30.0], [110.47, 30.53]]]]}, "2010-12-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[110.47, 30.53], [110.82, 30.68], [110.88, 30.8], [110.47, 30.97], [110.25, 31.5], [110.35, 31.75], [110.25, 32.0], [110.47, 32.53], [111.0, 32.75], [111.25, 32.65], [111.5, 32.75], [111.8, 32.63], [111.85, 32.75], [111.75, 33.0], [111.97, 33.53], [112.32, 33.68], [112.35, 33.75], [112.32, 33.82], [111.97, 33.97], [111.82, 34.32], [111.75, 34.35], [111.5, 34.25], [110.97, 34.47], [110.75, 35.0], [110.97, 35.53], [111.5, 35.75], [111.75, 35.65], [111.82, 35.68], [111.97, 36.03], [112.5, 36.25], [113.0, 36.04], [113.5, 36.25], [113.75, 36.15], [113.82, 36.18], [113.97, 36.53], [114.32, 36.68], [114.47, 37.03], [115.0, 37.25], [115.53, 37.03], [115.75, 36.5], [115.65, 36.25], [115.75, 36.0], [115.65, 35.75], [115.75, 35.5], [115.65, 35.25], [115.75, 35.0], [115.65, 34.75], [115.75, 34.5], [115.65, 34.25], [115.75, 34.0], [115.65, 33.75], [115.68, 33.68], [116.03, 33.53], [116.25, 33.0], [116.15, 32.75], [116.18, 32.68], [116.25, 32.65], [116.5, 32.75], [116.75, 32.65], [117.0, 32.75], [117.53, 32.53], [117.75, 32.0], [117.65, 31.75], [117.68, 31.68], [118.03, 31.53], [118.25, 31.0], [118.03, 30.47], [117.5, 30.25], [117.25, 30.35], [117.0, 30.25], [116.57, 30.43], [116.75, 30.0], [116.63, 29.7], [117.03, 29.53], [117.25, 29.0], [117.03, 28.47], [116.5, 28.25], [115.97, 28.47], [115.75, 29.0], [115.88, 29.3], [115.75, 29.35], [115.5, 29.25], [115.2, 29.38], [115.03, 28.97], [114.5, 28.75], [114.25, 28.85], [114.18, 28.82], [114.15, 28.75], [114.25, 28.5], [114.03, 27.97], [113.5, 27.75], [112.97, 27.97], [112.82, 28.32], [112.75, 28.35], [112.5, 28.25], [112.25, 28.35], [112.0, 28.25], [111.47, 28.47], [111.32, 28.82], [111.25, 28.85], [111.0, 28.75], [110.47, 28.97], [110.25, 29.5], [110.35, 29.75], [110.25, 30.0], [110.47, 30.53]], [[116.43, 30.57], [116.25, 31.0], [116.35, 31.25], [116.32, 31.32], [116.25, 31.35], [116.0, 31.25], [115.75, 31.35], [115.63, 31.3], [115.75, 31.0], [115.65, 30.75], [115.68, 30.68], [115.75, 30.65], [116.0, 30.75], [116.43, 30.57]]]]}, "2010-12-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[107.97, 31.97], [107.75, 32.5], [107.97, 33.03], [108.5, 33.25], [108.75, 33.15], [109.0, 33.25], [109.25, 33.15], [109.5, 33.25], [110.03, 33.03], [110.18, 32.68], [110.25, 32.65], [110.5, 32.75], [110.75, 32.65], [111.0, 32.75], [111.25, 32.65], [111.5, 32.75], [111.75, 32.65], [111.82, 32.68], [111.85, 32.75], [111.75, 33.0], [111.97, 33.53], [112.32, 33.68], [112.35, 33.75], [112.32, 33.82], [111.97, 33.97], [111.75, 34.5], [111.96, 35.0], [111.75, 35.5], [111.97, 36.03], [112.5, 36.25], [113.0, 36.04], [113.5, 36.25], [113.75, 36.15], [113.82, 36.18], [113.97, 36.53], [114.32, 36.68], [114.47, 37.03], [115.0, 37.25], [115.53, 37.03], [115.75, 36.5], [115.65, 36.25], [115.75, 36.0], [115.65, 35.75], [115.75, 35.5], [115.65, 35.25], [115.75, 35.0], [115.65, 34.75], [115.75, 34.5], [115.65, 34.25], [115.75, 34.0], [115.65, 33.75], [115.68, 33.68], [116.03, 33.53], [116.25, 33.0], [116.15, 32.75], [116.18, 32.68], [116.25, 32.65], [116.5, 32.75], [116.75, 32.65], [117.0, 32.75], [117.53, 32.53], [117.75, 32.0], [117.65, 31.75], [117.68, 31.68], [117.75, 31.65], [118.0, 31.75], [118.25, 31.65], [118.5, 31.75], [119.03, 31.53], [119.25, 31.0], [119.15, 30.75], [119.25, 30.5], [119.03, 29.97], [118.5, 29.75], [118.25, 29.85], [118.0, 29.75], [117.75, 29.85], [117.5, 29.75], [117.07, 29.93], [117.18, 29.68], [117.53, 29.53], [117.75, 29.0], [117.54, 28.5], [117.75, 28.0], [117.53, 27.47], [117.0, 27.25], [116.75, 27.35], [116.5, 27.25], [115.97, 27.47], [115.75, 28.0], [115.85, 28.25], [115.82, 28.32], [115.47, 28.47], [115.25, 29.0], [115.38, 29.3], [115.2, 29.38], [115.03, 28.97], [114.5, 28.75], [114.25, 28.85], [114.18, 28.82], [114.15, 28.75], [114.25, 28.5], [114.03, 27.97], [113.5, 27.75], [112.97, 27.97], [112.82, 28.32], [112.75, 28.35], [112.5, 28.25], [112.25, 28.35], [112.0, 28.25], [111.47, 28.47], [111.32, 28.82], [111.25, 28.85], [111.0, 28.75], [110.47, 28.97], [110.25, 29.5], [110.35, 29.75], [110.25, 30.0], [110.47, 30.53], [110.82, 30.68], [110.88, 30.8], [110.47, 30.97], [110.32, 31.32], [110.25, 31.35], [110.0, 31.25], [109.75, 31.35], [109.5, 31.25], [108.97, 31.47], [108.82, 31.82], [108.75, 31.85], [108.5, 31.75], [107.97, 31.97]], [[115.75, 30.65], [116.0, 30.75], [116.43, 30.57], [116.25, 31.0], [116.35, 31.25], [116.32, 31.32], [116.25, 31.35], [116.0, 31.25], [115.75, 31.35], [115.63, 31.3], [115.75, 31.0], [115.65, 30.75], [115.68, 30.68], [115.75, 30.65]], [[116.82, 30.32], [116.57, 30.43], [116.68, 30.18], [116.93, 30.07], [116.82, 30.32]]]]}, "2010-12-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[108.0, 33.25], [108.25, 33.15], [108.5, 33.25], [108.75, 33.15], [109.0, 33.25], [109.25, 33.15], [109.5, 33.25], [110.03, 33.03], [110.18, 32.68], [110.25, 32.65], [110.5, 32.75], [110.75, 32.65], [111.0, 32.75], [111.5, 32.54], [112.0, 32.75], [112.25, 32.65], [112.5, 32.75], [112.75, 32.65], [113.0, 32.75], [113.53, 32.53], [113.68, 32.18], [113.75, 32.15], [113.88, 32.2], [113.75, 32.5], [113.97, 33.03], [114.32, 33.18], [114.47, 33.53], [115.0, 33.75], [115.25, 33.65], [115.5, 33.75], [116.03, 33.53], [116.25, 33.0], [116.15, 32.75], [116.18, 32.68], [116.25, 32.65], [116.5, 32.75], [116.75, 32.65], [117.0, 32.75], [117.53, 32.53], [117.75, 32.0], [117.65, 31.75], [117.68, 31.68], [117.75, 31.65], [118.0, 31.75], [118.25, 31.65], [118.5, 31.75], [119.03, 31.53], [119.25, 31.0], [119.15, 30.75], [119.25, 30.5], [119.03, 29.97], [118.5, 29.75], [118.25, 29.85], [118.0, 29.75], [117.75, 29.85], [117.5, 29.75], [117.07, 29.93], [117.18, 29.68], [117.53, 29.53], [117.75, 29.0], [117.54, 28.5], [117.75, 28.0], [117.53, 27.47], [117.0, 27.25], [116.75, 27.35], [116.5, 27.25], [115.97, 27.47], [115.75, 28.0], [115.85, 28.25], [115.82, 28.32], [115.47, 28.47], [115.25, 29.0], [115.38, 29.3], [115.2, 29.38], [115.03, 28.97], [114.5, 28.75], [114.25, 28.85], [114.18, 28.82], [114.15, 28.75], [114.25, 28.5], [114.03, 27.97], [113.5, 27.75], [112.97, 27.97], [112.82, 28.32], [112.75, 28.35], [112.5, 28.25], [112.25, 28.35], [112.0, 28.25], [111.47, 28.47], [111.32, 28.82], [110.97, 28.97], [110.75, 29.5], [110.85, 29.75], [110.75, 30.0], [110.85, 30.25], [110.75, 30.5], [110.97, 31.03], [111.32, 31.18], [111.35, 31.25], [111.3, 31.38], [111.0, 31.25], [110.75, 31.35], [110.5, 31.25], [110.25, 31.35], [110.0, 31.25], [109.75, 31.35], [109.5, 31.25], [108.97, 31.47], [108.82, 31.82], [108.75, 31.85], [108.68, 31.82], [108.53, 31.47], [108.0, 31.25], [107.75, 31.35], [107.5, 31.25], [106.97, 31.47], [106.75, 32.0], [106.97, 32.53], [107.32, 32.68], [107.47, 33.03], [108.0, 33.25]], [[115.75, 30.65], [116.0, 30.75], [116.43, 30.57], [116.25, 31.0], [116.35, 31.25], [116.32, 31.32], [116.25, 31.35], [116.0, 31.25], [115.75, 31.35], [115.63, 31.3], [115.75, 31.0], [115.65, 30.75], [115.68, 30.68], [115.75, 30.65]], [[116.82, 30.32], [116.57, 30.43], [116.68, 30.18], [116.93, 30.07], [116.82, 30.32]]]]}, "2010-12-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[115.82, 29.68], [115.97, 30.03], [116.5, 30.25], [116.93, 30.07], [116.75, 30.5], [116.97, 31.03], [117.32, 31.18], [117.47, 31.53], [118.0, 31.75], [118.25, 31.65], [118.5, 31.75], [119.03, 31.53], [119.25, 31.0], [119.15, 30.75], [119.25, 30.5], [119.03, 29.97], [118.5, 29.75], [118.25, 29.85], [118.0, 29.75], [117.75, 29.85], [117.5, 29.75], [117.07, 29.93], [117.18, 29.68], [117.53, 29.53], [117.75, 29.0], [117.54, 28.5], [117.75, 28.0], [117.53, 27.47], [117.0, 27.25], [116.75, 27.35], [116.5, 27.25], [115.97, 27.47], [115.75, 28.0], [115.85, 28.25], [115.82, 28.32], [115.47, 28.47], [115.25, 29.0], [115.47, 29.53], [115.82, 29.68]]], [[[112.5, 32.75], [112.75, 32.65], [113.0, 32.75], [113.53, 32.53], [113.75, 32.0], [113.53, 31.47], [113.18, 31.32], [113.03, 30.97], [112.5, 30.75], [112.25, 30.85], [112.0, 30.75], [111.47, 30.97], [111.25, 31.5], [111.35, 31.75], [111.25, 32.0], [111.47, 32.53], [112.0, 32.75], [112.25, 32.65], [112.5, 32.75]]], [[[108.5, 33.25], [108.75, 33.15], [109.0, 33.25], [109.25, 33.15], [109.5, 33.25], [110.03, 33.03], [110.18, 32.68], [110.25, 32.65], [110.5, 32.75], [111.03, 32.53], [111.25, 32.0], [111.03, 31.47], [110.5, 31.25], [110.25, 31.35], [110.0, 31.25], [109.75, 31.35], [109.5, 31.25], [108.97, 31.47], [108.82, 31.82], [108.75, 31.85], [108.68, 31.82], [108.53, 31.47], [108.0, 31.25], [107.75, 31.35], [107.5, 31.25], [106.97, 31.47], [106.75, 32.0], [106.97, 32.53], [107.32, 32.68], [107.47, 33.03], [108.0, 33.25], [108.25, 33.15], [108.5, 33.25]]], [[[115.5, 33.75], [116.03, 33.53], [116.25, 33.0], [116.15, 32.75], [116.25, 32.5], [116.03, 31.97], [115.5, 31.75], [115.25, 31.85], [115.0, 31.75], [114.75, 31.85], [114.5, 31.75], [113.97, 31.97], [113.75, 32.5], [113.97, 33.03], [114.32, 33.18], [114.47, 33.53], [115.0, 33.75], [115.25, 33.65], [115.5, 33.75]]]]}, "2010-12-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[108.0, 33.25], [108.25, 33.15], [108.5, 33.25], [108.75, 33.15], [109.0, 33.25], [109.25, 33.15], [109.5, 33.25], [110.03, 33.03], [110.25, 32.5], [110.03, 31.97], [109.5, 31.75], [109.25, 31.85], [109.0, 31.75], [108.75, 31.85], [108.68, 31.82], [108.53, 31.47], [108.0, 31.25], [107.75, 31.35], [107.5, 31.25], [106.97, 31.47], [106.75, 32.0], [106.97, 32.53], [107.32, 32.68], [107.47, 33.03], [108.0, 33.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.86968050241893}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.817107955295038}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [4.708993910503295, 8.995829665971428, 10.758272656166696, 11.36659142718355, 10.531057753758262, 9.423933697468215, 6.50270261247573]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [5.607623124173244, 12.425917693268445, 14.601037107350692, 14.906470259152059, 14.621663587245735, 13.177272496742887, 7.783414410564717]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.8573134123825903, 4.099375122782352, 5.251906799162551, 5.719614413099699, 4.0321924331361805, 3.8018512063678034, 3.022098804331904]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.376766622992591, 4.944868127274788, 7.144851683268257, 7.86968050241893, 5.615384328836228, 5.145514166550811, 3.1712746775535834]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4932205859158714, 1.4824018917736181, 1.963139467709146, 2.1662339437143636, 1.5630553843432717, 1.496996305788936, 1.5424199519693567]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.606840143924689, 1.8304865641755856, 2.5425695356328673, 2.738805738970302, 2.0959574811849873, 2.113128384370012, 1.6975566362976946]}}