{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:46:50.060453", "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-Feb-12_to_2011-Feb-16_91.0_30.5"}, "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": 2011020001959}, "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": "February 12 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 16 2011"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 568384.4371985635}, "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", "Nepal"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.C.Asia", "Tibetan-Plateau"]}, "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": 30.5}, "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": 91.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "91.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 82.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 98.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 28.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 37.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-02-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[84.25, 30.0], [84.47, 30.53], [85.0, 30.75], [85.53, 30.53], [85.68, 30.18], [86.03, 30.03], [86.25, 29.5], [86.03, 28.97], [85.68, 28.82], [85.53, 28.47], [85.0, 28.25], [84.75, 28.35], [84.5, 28.25], [83.97, 28.47], [83.75, 29.0], [83.97, 29.53], [84.32, 29.68], [84.35, 29.75], [84.25, 30.0]]]]}, "2011-02-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[92.97, 30.47], [92.75, 31.0], [92.97, 31.53], [93.5, 31.75], [94.03, 31.53], [94.25, 31.0], [94.03, 30.47], [93.5, 30.25], [92.97, 30.47]]], [[[83.0, 30.75], [83.25, 30.65], [83.32, 30.68], [83.47, 31.03], [83.82, 31.18], [83.97, 31.53], [84.38, 31.7], [84.25, 32.0], [84.47, 32.53], [85.0, 32.75], [85.25, 32.65], [85.38, 32.7], [85.25, 33.0], [85.35, 33.25], [85.25, 33.5], [85.47, 34.03], [86.0, 34.25], [86.25, 34.15], [86.5, 34.25], [86.75, 34.15], [86.88, 34.2], [86.82, 34.32], [86.47, 34.47], [86.25, 35.0], [86.46, 35.5], [86.25, 36.0], [86.47, 36.53], [87.0, 36.75], [87.25, 36.65], [87.32, 36.68], [87.47, 37.03], [88.0, 37.25], [88.25, 37.15], [88.5, 37.25], [88.75, 37.15], [89.0, 37.25], [89.25, 37.15], [89.32, 37.18], [89.47, 37.53], [89.82, 37.68], [89.97, 38.03], [90.5, 38.25], [90.75, 38.15], [91.0, 38.25], [91.53, 38.03], [91.68, 37.68], [91.75, 37.65], [92.0, 37.75], [92.53, 37.53], [92.68, 37.18], [92.75, 37.15], [93.0, 37.25], [93.53, 37.03], [93.68, 36.68], [93.75, 36.65], [94.0, 36.75], [94.25, 36.65], [94.5, 36.75], [94.75, 36.65], [95.0, 36.75], [95.25, 36.65], [95.5, 36.75], [95.75, 36.65], [96.0, 36.75], [96.53, 36.53], [96.75, 36.0], [96.53, 35.47], [96.0, 35.25], [95.75, 35.35], [95.5, 35.25], [95.25, 35.35], [95.0, 35.25], [94.75, 35.35], [94.5, 35.25], [94.25, 35.35], [94.13, 35.3], [94.18, 35.18], [94.53, 35.03], [94.75, 34.5], [94.54, 34.0], [94.75, 33.5], [94.53, 32.97], [94.18, 32.82], [94.03, 32.47], [93.5, 32.25], [93.25, 32.35], [93.0, 32.25], [92.47, 32.47], [92.32, 32.82], [92.25, 32.85], [92.0, 32.75], [91.75, 32.85], [91.63, 32.8], [91.68, 32.68], [92.03, 32.53], [92.25, 32.0], [92.03, 31.47], [91.5, 31.25], [92.03, 31.03], [92.18, 30.68], [92.53, 30.53], [92.75, 30.0], [92.53, 29.47], [92.18, 29.32], [92.03, 28.97], [91.5, 28.75], [91.25, 28.85], [91.0, 28.75], [90.47, 28.97], [90.3, 29.38], [90.0, 29.25], [89.47, 29.47], [89.25, 30.0], [89.47, 30.53], [89.82, 30.68], [89.88, 30.8], [89.47, 30.97], [89.32, 31.32], [89.25, 31.35], [89.18, 31.32], [89.03, 30.97], [88.5, 30.75], [88.25, 30.85], [88.0, 30.75], [87.75, 30.85], [87.5, 30.75], [87.25, 30.85], [87.0, 30.75], [86.75, 30.85], [86.68, 30.82], [86.54, 30.5], [86.75, 30.0], [86.65, 29.75], [86.68, 29.68], [87.03, 29.53], [87.25, 29.0], [87.15, 28.75], [87.25, 28.5], [87.03, 27.97], [86.5, 27.75], [86.25, 27.85], [86.0, 27.75], [85.47, 27.97], [85.32, 28.32], [85.25, 28.35], [85.0, 28.25], [84.75, 28.35], [84.5, 28.25], [83.97, 28.47], [83.82, 28.82], [83.75, 28.85], [83.5, 28.75], [83.25, 28.85], [83.0, 28.75], [82.47, 28.97], [82.25, 29.5], [82.35, 29.75], [82.25, 30.0], [82.47, 30.53], [83.0, 30.75]], [[91.25, 31.35], [91.0, 31.25], [91.25, 31.15], [91.5, 31.25], [91.25, 31.35]], [[90.75, 31.35], [90.68, 31.32], [90.63, 31.2], [90.75, 31.15], [91.0, 31.25], [90.75, 31.35]]]]}, "2011-02-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[82.47, 30.53], [83.0, 30.75], [83.25, 30.65], [83.32, 30.68], [83.47, 31.03], [83.82, 31.18], [83.97, 31.53], [84.38, 31.7], [84.25, 32.0], [84.47, 32.53], [85.0, 32.75], [85.25, 32.65], [85.38, 32.7], [85.25, 33.0], [85.35, 33.25], [85.25, 33.5], [85.47, 34.03], [86.0, 34.25], [86.25, 34.15], [86.5, 34.25], [86.75, 34.15], [86.88, 34.2], [86.82, 34.32], [86.47, 34.47], [86.25, 35.0], [86.46, 35.5], [86.25, 36.0], [86.47, 36.53], [87.0, 36.75], [87.25, 36.65], [87.32, 36.68], [87.47, 37.03], [88.0, 37.25], [88.25, 37.15], [88.5, 37.25], [88.75, 37.15], [89.0, 37.25], [89.25, 37.15], [89.32, 37.18], [89.47, 37.53], [89.82, 37.68], [89.97, 38.03], [90.5, 38.25], [90.75, 38.15], [91.0, 38.25], [91.53, 38.03], [91.68, 37.68], [91.75, 37.65], [92.0, 37.75], [92.53, 37.53], [92.68, 37.18], [92.75, 37.15], [93.0, 37.25], [93.53, 37.03], [93.68, 36.68], [93.75, 36.65], [94.0, 36.75], [94.25, 36.65], [94.5, 36.75], [94.75, 36.65], [95.0, 36.75], [95.25, 36.65], [95.5, 36.75], [95.75, 36.65], [96.0, 36.75], [96.25, 36.65], [96.5, 36.75], [97.03, 36.53], [97.25, 36.0], [97.03, 35.47], [96.5, 35.25], [96.75, 35.15], [97.0, 35.25], [97.25, 35.15], [97.5, 35.25], [98.03, 35.03], [98.18, 34.68], [98.25, 34.65], [98.5, 34.75], [99.03, 34.53], [99.25, 34.0], [99.03, 33.47], [98.5, 33.25], [98.25, 33.35], [98.0, 33.25], [97.75, 33.35], [97.68, 33.32], [97.53, 32.97], [97.0, 32.75], [96.75, 32.85], [96.68, 32.82], [96.53, 32.47], [96.18, 32.32], [96.03, 31.97], [95.5, 31.75], [95.25, 31.85], [95.0, 31.75], [94.57, 31.93], [94.75, 31.5], [94.53, 30.97], [94.18, 30.82], [94.03, 30.47], [93.5, 30.25], [93.25, 30.35], [93.0, 30.25], [92.75, 30.35], [92.63, 30.3], [92.75, 30.0], [92.53, 29.47], [92.18, 29.32], [92.03, 28.97], [91.5, 28.75], [91.25, 28.85], [91.0, 28.75], [90.47, 28.97], [90.3, 29.38], [90.0, 29.25], [89.47, 29.47], [89.25, 30.0], [89.47, 30.53], [89.82, 30.68], [89.88, 30.8], [89.47, 30.97], [89.32, 31.32], [89.25, 31.35], [89.18, 31.32], [89.03, 30.97], [88.5, 30.75], [88.25, 30.85], [88.0, 30.75], [87.75, 30.85], [87.5, 30.75], [87.25, 30.85], [87.0, 30.75], [86.75, 30.85], [86.68, 30.82], [86.54, 30.5], [86.75, 30.0], [86.65, 29.75], [86.68, 29.68], [87.03, 29.53], [87.25, 29.0], [87.15, 28.75], [87.25, 28.5], [87.03, 27.97], [86.5, 27.75], [86.25, 27.85], [86.0, 27.75], [85.47, 27.97], [85.32, 28.32], [85.25, 28.35], [85.0, 28.25], [84.75, 28.35], [84.5, 28.25], [83.97, 28.47], [83.82, 28.82], [83.75, 28.85], [83.5, 28.75], [83.25, 28.85], [83.0, 28.75], [82.47, 28.97], [82.25, 29.5], [82.35, 29.75], [82.25, 30.0], [82.47, 30.53]], [[96.25, 35.35], [96.0, 35.25], [96.25, 35.15], [96.5, 35.25], [96.25, 35.35]], [[95.75, 35.35], [95.63, 35.3], [95.68, 35.18], [95.75, 35.15], [96.0, 35.25], [95.75, 35.35]], [[92.38, 32.7], [92.32, 32.82], [92.25, 32.85], [92.0, 32.75], [91.75, 32.85], [91.63, 32.8], [91.68, 32.68], [92.0, 32.54], [92.38, 32.7]]]]}, "2011-02-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[82.47, 30.53], [83.0, 30.75], [83.25, 30.65], [83.32, 30.68], [83.47, 31.03], [83.82, 31.18], [83.97, 31.53], [84.38, 31.7], [84.25, 32.0], [84.47, 32.53], [85.0, 32.75], [85.25, 32.65], [85.38, 32.7], [85.25, 33.0], [85.35, 33.25], [85.25, 33.5], [85.47, 34.03], [86.0, 34.25], [86.25, 34.15], [86.5, 34.25], [86.75, 34.15], [86.88, 34.2], [86.82, 34.32], [86.47, 34.47], [86.25, 35.0], [86.46, 35.5], [86.25, 36.0], [86.47, 36.53], [87.0, 36.75], [87.25, 36.65], [87.32, 36.68], [87.47, 37.03], [88.0, 37.25], [88.25, 37.15], [88.5, 37.25], [88.75, 37.15], [89.0, 37.25], [89.25, 37.15], [89.32, 37.18], [89.47, 37.53], [89.82, 37.68], [89.97, 38.03], [90.5, 38.25], [90.75, 38.15], [91.0, 38.25], [91.53, 38.03], [91.68, 37.68], [91.75, 37.65], [92.0, 37.75], [92.53, 37.53], [92.68, 37.18], [92.75, 37.15], [93.0, 37.25], [93.53, 37.03], [93.68, 36.68], [93.75, 36.65], [94.0, 36.75], [94.25, 36.65], [94.5, 36.75], [94.75, 36.65], [95.0, 36.75], [95.25, 36.65], [95.5, 36.75], [95.75, 36.65], [96.0, 36.75], [96.25, 36.65], [96.5, 36.75], [97.03, 36.53], [97.25, 36.0], [97.03, 35.47], [96.5, 35.25], [96.75, 35.15], [97.0, 35.25], [97.25, 35.15], [97.5, 35.25], [98.03, 35.03], [98.18, 34.68], [98.25, 34.65], [98.5, 34.75], [99.03, 34.53], [99.25, 34.0], [99.03, 33.47], [98.5, 33.25], [98.25, 33.35], [98.0, 33.25], [97.75, 33.35], [97.68, 33.32], [97.53, 32.97], [97.0, 32.75], [96.75, 32.85], [96.68, 32.82], [96.53, 32.47], [96.18, 32.32], [96.03, 31.97], [95.5, 31.75], [95.25, 31.85], [95.0, 31.75], [94.57, 31.93], [94.75, 31.5], [94.53, 30.97], [94.18, 30.82], [94.03, 30.47], [93.5, 30.25], [93.25, 30.35], [93.0, 30.25], [92.75, 30.35], [92.63, 30.3], [92.75, 30.0], [92.53, 29.47], [92.18, 29.32], [92.03, 28.97], [91.5, 28.75], [91.25, 28.85], [91.0, 28.75], [90.47, 28.97], [90.3, 29.38], [90.0, 29.25], [89.47, 29.47], [89.25, 30.0], [89.47, 30.53], [89.82, 30.68], [89.88, 30.8], [89.47, 30.97], [89.32, 31.32], [89.25, 31.35], [89.18, 31.32], [89.03, 30.97], [88.5, 30.75], [88.25, 30.85], [88.0, 30.75], [87.75, 30.85], [87.5, 30.75], [87.25, 30.85], [87.0, 30.75], [86.75, 30.85], [86.68, 30.82], [86.54, 30.5], [86.75, 30.0], [86.65, 29.75], [86.68, 29.68], [87.03, 29.53], [87.25, 29.0], [87.15, 28.75], [87.25, 28.5], [87.03, 27.97], [86.5, 27.75], [86.25, 27.85], [86.0, 27.75], [85.47, 27.97], [85.32, 28.32], [85.0, 28.46], [84.5, 28.25], [83.97, 28.47], [83.82, 28.82], [83.75, 28.85], [83.5, 28.75], [83.25, 28.85], [83.0, 28.75], [82.47, 28.97], [82.25, 29.5], [82.35, 29.75], [82.25, 30.0], [82.47, 30.53]], [[96.25, 35.35], [96.0, 35.25], [96.25, 35.15], [96.5, 35.25], [96.25, 35.35]], [[95.75, 35.35], [95.63, 35.3], [95.68, 35.18], [95.75, 35.15], [96.0, 35.25], [95.75, 35.35]], [[92.38, 32.7], [92.32, 32.82], [92.25, 32.85], [92.0, 32.75], [91.75, 32.85], [91.63, 32.8], [91.68, 32.68], [92.0, 32.54], [92.38, 32.7]]]]}, "2011-02-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[90.32, 32.68], [90.47, 33.03], [90.88, 33.2], [90.75, 33.5], [90.85, 33.75], [90.75, 34.0], [90.97, 34.53], [91.5, 34.75], [91.75, 34.65], [92.0, 34.75], [92.25, 34.65], [92.32, 34.68], [92.47, 35.03], [93.0, 35.25], [93.25, 35.15], [93.32, 35.18], [93.38, 35.3], [92.97, 35.47], [92.75, 36.0], [92.97, 36.53], [93.5, 36.75], [94.03, 36.53], [94.25, 36.0], [94.13, 35.7], [94.25, 35.65], [94.5, 35.75], [94.75, 35.65], [95.0, 35.75], [95.43, 35.57], [95.25, 36.0], [95.47, 36.53], [96.0, 36.75], [96.25, 36.65], [96.5, 36.75], [97.03, 36.53], [97.25, 36.0], [97.03, 35.47], [96.5, 35.25], [96.75, 35.15], [97.0, 35.25], [97.25, 35.15], [97.5, 35.25], [98.03, 35.03], [98.18, 34.68], [98.25, 34.65], [98.5, 34.75], [99.03, 34.53], [99.25, 34.0], [99.03, 33.47], [98.5, 33.25], [98.25, 33.35], [98.0, 33.25], [97.75, 33.35], [97.68, 33.32], [97.53, 32.97], [97.0, 32.75], [96.75, 32.85], [96.68, 32.82], [96.53, 32.47], [96.18, 32.32], [96.03, 31.97], [95.5, 31.75], [95.25, 31.85], [95.0, 31.75], [94.57, 31.93], [94.75, 31.5], [94.53, 30.97], [94.0, 30.75], [93.7, 30.88], [93.53, 30.47], [93.0, 30.25], [92.75, 30.35], [92.5, 30.25], [92.2, 30.38], [92.03, 29.97], [91.5, 29.75], [91.25, 29.85], [91.0, 29.75], [90.47, 29.97], [90.25, 30.5], [90.35, 30.75], [90.32, 30.82], [89.97, 30.97], [89.75, 31.5], [89.85, 31.75], [89.75, 32.0], [89.97, 32.53], [90.32, 32.68]], [[96.25, 35.35], [96.0, 35.25], [96.25, 35.15], [96.5, 35.25], [96.25, 35.35]], [[95.57, 35.43], [95.68, 35.18], [95.75, 35.15], [96.0, 35.25], [95.57, 35.43]], [[92.0, 32.75], [91.75, 32.85], [91.63, 32.8], [91.68, 32.68], [92.0, 32.54], [92.5, 32.75], [92.25, 32.85], [92.0, 32.75]], [[92.8, 32.63], [92.85, 32.75], [92.82, 32.82], [92.75, 32.85], [92.5, 32.75], [92.8, 32.63]]], [[[91.03, 37.53], [91.2, 37.13], [91.5, 37.25], [92.03, 37.03], [92.25, 36.5], [92.03, 35.97], [91.5, 35.75], [90.97, 35.97], [90.8, 36.38], [90.68, 36.32], [90.53, 35.97], [90.0, 35.75], [89.47, 35.97], [89.25, 36.5], [89.47, 37.03], [89.82, 37.18], [89.97, 37.53], [90.5, 37.75], [91.03, 37.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 9.775465996661069}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.3612953119245335}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [-10.347428183178408, -7.876490610330109, -8.020516803465, -8.060277812772426, -8.200609269035567]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [-7.1491731429898095, 1.8485334630572083, 3.2264109227396034, 1.7069537524513976, -3.534948703633802]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [6.600983702540953, 5.512902276550668, 5.381143392947733, 5.317962782100245, 4.986091672381555]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [8.232660117902014, 9.775465996661069, 9.400295966147894, 8.60426101457631, 7.423636002778267]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4110855569867329, 1.6583478290725338, 1.638985619531489, 1.6001724587314374, 1.5375803620148338]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.457003909436241, 2.2599680526138863, 2.4668427080700885, 2.204268955603984, 2.0323140546996084]}}