{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:21:04.758992", "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": "2019-Dec-05_to_2019-Dec-15_102.0_44.5"}, "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": 2019120001285}, "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 05 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 15 2019"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 11}, "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": 284070.656437911}, "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": 44.5}, "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": 102.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "102.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 92.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 105.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 41.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 47.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-12-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[102.0, 47.25], [102.53, 47.03], [102.75, 46.5], [102.53, 45.97], [102.0, 45.75], [101.47, 45.97], [101.25, 46.5], [101.47, 47.03], [102.0, 47.25]]]]}, "2019-12-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[101.47, 45.97], [101.25, 46.5], [101.47, 47.03], [102.0, 47.25], [102.53, 47.03], [102.75, 46.5], [102.53, 45.97], [102.0, 45.75], [101.47, 45.97]]], [[[99.47, 46.47], [99.25, 47.0], [99.47, 47.53], [100.0, 47.75], [100.53, 47.53], [100.75, 47.0], [100.53, 46.47], [100.0, 46.25], [99.47, 46.47]]]]}, "2019-12-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[91.97, 43.97], [91.75, 44.5], [91.97, 45.03], [92.5, 45.25], [92.75, 45.15], [93.0, 45.25], [93.25, 45.15], [93.5, 45.25], [93.75, 45.15], [94.0, 45.25], [94.3, 45.13], [94.47, 45.53], [95.0, 45.75], [95.25, 45.65], [95.32, 45.68], [95.35, 45.75], [95.25, 46.0], [95.47, 46.53], [96.0, 46.75], [96.25, 46.65], [96.32, 46.68], [96.47, 47.03], [97.0, 47.25], [97.25, 47.15], [97.5, 47.25], [97.75, 47.15], [98.0, 47.25], [98.53, 47.03], [98.68, 46.68], [98.75, 46.65], [99.0, 46.75], [99.25, 46.65], [99.38, 46.7], [99.25, 47.0], [99.47, 47.53], [100.0, 47.75], [100.53, 47.53], [100.68, 47.18], [101.03, 47.03], [101.2, 46.63], [101.32, 46.68], [101.47, 47.03], [102.0, 47.25], [102.53, 47.03], [102.75, 46.5], [102.54, 46.0], [102.68, 45.68], [103.03, 45.53], [103.18, 45.18], [103.53, 45.03], [103.68, 44.68], [103.75, 44.65], [104.0, 44.75], [104.25, 44.65], [104.5, 44.75], [105.03, 44.53], [105.25, 44.0], [105.03, 43.47], [104.5, 43.25], [104.25, 43.35], [104.0, 43.25], [103.75, 43.35], [103.5, 43.25], [103.25, 43.35], [103.0, 43.25], [102.5, 43.46], [102.18, 43.32], [102.03, 42.97], [101.5, 42.75], [101.25, 42.85], [101.13, 42.8], [101.25, 42.5], [101.03, 41.97], [100.68, 41.82], [100.53, 41.47], [100.0, 41.25], [99.75, 41.35], [99.5, 41.25], [99.25, 41.35], [99.0, 41.25], [98.75, 41.35], [98.68, 41.32], [98.53, 40.97], [98.0, 40.75], [97.47, 40.97], [97.25, 41.5], [97.35, 41.75], [97.32, 41.82], [97.25, 41.85], [97.0, 41.75], [96.47, 41.97], [96.25, 42.5], [96.35, 42.75], [96.32, 42.82], [95.97, 42.97], [95.75, 43.5], [95.88, 43.8], [95.75, 43.85], [95.5, 43.75], [95.25, 43.85], [95.18, 43.82], [95.03, 43.47], [94.5, 43.25], [94.25, 43.35], [94.0, 43.25], [93.47, 43.47], [93.32, 43.82], [93.25, 43.85], [93.0, 43.75], [92.75, 43.85], [92.5, 43.75], [91.97, 43.97]], [[97.3, 44.38], [97.18, 44.32], [97.13, 44.2], [97.25, 44.15], [97.38, 44.2], [97.3, 44.38]]]]}, "2019-12-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[91.97, 43.97], [91.75, 44.5], [91.97, 45.03], [92.5, 45.25], [92.75, 45.15], [93.0, 45.25], [93.25, 45.15], [93.32, 45.18], [93.47, 45.53], [94.0, 45.75], [94.5, 45.54], [95.0, 45.75], [95.25, 45.65], [95.32, 45.68], [95.35, 45.75], [95.25, 46.0], [95.47, 46.53], [96.0, 46.75], [96.25, 46.65], [96.32, 46.68], [96.47, 47.03], [97.0, 47.25], [97.25, 47.15], [97.5, 47.25], [97.75, 47.15], [98.0, 47.25], [98.53, 47.03], [98.68, 46.68], [98.75, 46.65], [99.0, 46.75], [99.25, 46.65], [99.38, 46.7], [99.25, 47.0], [99.47, 47.53], [100.0, 47.75], [100.53, 47.53], [100.68, 47.18], [101.03, 47.03], [101.2, 46.63], [101.32, 46.68], [101.47, 47.03], [102.0, 47.25], [102.53, 47.03], [102.75, 46.5], [102.54, 46.0], [102.68, 45.68], [103.03, 45.53], [103.18, 45.18], [103.53, 45.03], [103.68, 44.68], [103.75, 44.65], [104.0, 44.75], [104.25, 44.65], [104.5, 44.75], [105.03, 44.53], [105.25, 44.0], [105.03, 43.47], [104.5, 43.25], [104.25, 43.35], [104.0, 43.25], [103.75, 43.35], [103.5, 43.25], [103.25, 43.35], [103.0, 43.25], [102.5, 43.46], [102.18, 43.32], [102.03, 42.97], [101.5, 42.75], [101.25, 42.85], [101.13, 42.8], [101.25, 42.5], [101.03, 41.97], [100.68, 41.82], [100.53, 41.47], [100.0, 41.25], [99.75, 41.35], [99.5, 41.25], [99.25, 41.35], [99.0, 41.25], [98.75, 41.35], [98.68, 41.32], [98.53, 40.97], [98.0, 40.75], [97.47, 40.97], [97.25, 41.5], [97.35, 41.75], [97.32, 41.82], [97.25, 41.85], [97.0, 41.75], [96.47, 41.97], [96.25, 42.5], [96.35, 42.75], [96.32, 42.82], [95.97, 42.97], [95.75, 43.5], [95.53, 42.97], [95.0, 42.75], [94.47, 42.97], [94.32, 43.32], [94.25, 43.35], [94.0, 43.25], [93.47, 43.47], [93.32, 43.82], [93.25, 43.85], [93.0, 43.75], [92.75, 43.85], [92.5, 43.75], [91.97, 43.97]], [[95.88, 43.8], [95.75, 43.85], [95.63, 43.8], [95.75, 43.5], [95.88, 43.8]]]]}, "2019-12-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[91.97, 43.97], [91.75, 44.5], [91.97, 45.03], [92.5, 45.25], [92.75, 45.15], [93.0, 45.25], [93.25, 45.15], [93.32, 45.18], [93.47, 45.53], [94.0, 45.75], [94.5, 45.54], [95.0, 45.75], [95.25, 45.65], [95.32, 45.68], [95.35, 45.75], [95.25, 46.0], [95.47, 46.53], [96.0, 46.75], [96.25, 46.65], [96.32, 46.68], [96.47, 47.03], [97.0, 47.25], [97.25, 47.15], [97.5, 47.25], [97.75, 47.15], [98.0, 47.25], [98.53, 47.03], [98.68, 46.68], [98.75, 46.65], [99.0, 46.75], [99.25, 46.65], [99.5, 46.75], [99.75, 46.65], [99.82, 46.68], [99.97, 47.03], [100.5, 47.25], [101.03, 47.03], [101.2, 46.63], [101.5, 46.75], [102.03, 46.53], [102.18, 46.18], [102.53, 46.03], [102.68, 45.68], [103.03, 45.53], [103.18, 45.18], [103.53, 45.03], [103.68, 44.68], [103.75, 44.65], [104.0, 44.75], [104.25, 44.65], [104.5, 44.75], [105.03, 44.53], [105.25, 44.0], [105.03, 43.47], [104.5, 43.25], [104.25, 43.35], [104.0, 43.25], [103.75, 43.35], [103.5, 43.25], [103.25, 43.35], [103.0, 43.25], [102.5, 43.46], [102.18, 43.32], [102.03, 42.97], [101.5, 42.75], [101.25, 42.85], [101.13, 42.8], [101.25, 42.5], [101.03, 41.97], [100.68, 41.82], [100.53, 41.47], [100.0, 41.25], [99.75, 41.35], [99.5, 41.25], [99.25, 41.35], [99.0, 41.25], [98.75, 41.35], [98.68, 41.32], [98.53, 40.97], [98.0, 40.75], [97.47, 40.97], [97.25, 41.5], [97.35, 41.75], [97.32, 41.82], [97.25, 41.85], [97.0, 41.75], [96.47, 41.97], [96.25, 42.5], [96.35, 42.75], [96.32, 42.82], [95.97, 42.97], [95.75, 43.5], [95.53, 42.97], [95.0, 42.75], [94.47, 42.97], [94.32, 43.32], [94.25, 43.35], [94.0, 43.25], [93.47, 43.47], [93.32, 43.82], [93.25, 43.85], [93.0, 43.75], [92.75, 43.85], [92.5, 43.75], [91.97, 43.97]], [[95.88, 43.8], [95.75, 43.85], [95.63, 43.8], [95.75, 43.5], [95.88, 43.8]]]]}, "2019-12-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[94.25, 43.5], [94.47, 44.03], [95.0, 44.25], [95.53, 44.03], [95.75, 43.5], [95.53, 42.97], [95.0, 42.75], [94.47, 42.97], [94.25, 43.5]]], [[[97.5, 45.25], [98.03, 45.03], [98.18, 44.68], [98.3, 44.63], [98.47, 45.03], [99.0, 45.25], [99.53, 45.03], [99.75, 44.5], [99.53, 43.97], [99.0, 43.75], [98.7, 43.88], [98.53, 43.47], [98.0, 43.25], [97.47, 43.47], [97.32, 43.82], [96.97, 43.97], [96.75, 44.5], [96.97, 45.03], [97.5, 45.25]]], [[[101.25, 44.5], [101.47, 45.03], [102.0, 45.25], [102.53, 45.03], [102.75, 44.5], [102.53, 43.97], [102.0, 43.75], [101.47, 43.97], [101.25, 44.5]]], [[[93.25, 45.0], [93.47, 45.53], [94.0, 45.75], [94.53, 45.53], [94.75, 45.0], [94.53, 44.47], [94.0, 44.25], [93.47, 44.47], [93.25, 45.0]]]]}, "2019-12-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[102.47, 43.47], [102.25, 44.0], [102.47, 44.53], [103.0, 44.75], [103.53, 44.53], [103.75, 44.0], [103.53, 43.47], [103.0, 43.25], [102.47, 43.47]]], [[[100.97, 43.97], [100.75, 44.5], [100.97, 45.03], [101.5, 45.25], [102.03, 45.03], [102.25, 44.5], [102.03, 43.97], [101.5, 43.75], [100.97, 43.97]]]]}, "2019-12-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[104.97, 41.97], [104.75, 42.5], [104.97, 43.03], [105.5, 43.25], [106.03, 43.03], [106.25, 42.5], [106.03, 41.97], [105.5, 41.75], [104.97, 41.97]]], [[[101.0, 45.75], [101.25, 45.65], [101.5, 45.75], [102.03, 45.53], [102.18, 45.18], [102.25, 45.15], [102.5, 45.25], [102.75, 45.15], [103.0, 45.25], [103.53, 45.03], [103.75, 44.5], [103.65, 44.25], [103.75, 44.0], [103.53, 43.47], [103.13, 43.3], [103.25, 43.0], [103.03, 42.47], [102.5, 42.25], [101.97, 42.47], [101.75, 43.0], [101.97, 43.53], [102.38, 43.7], [102.32, 43.82], [102.25, 43.85], [102.0, 43.75], [101.75, 43.85], [101.5, 43.75], [101.25, 43.85], [101.0, 43.75], [100.47, 43.97], [100.25, 44.5], [100.35, 44.75], [100.25, 45.0], [100.47, 45.53], [101.0, 45.75]]]]}, "2019-12-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[100.47, 45.53], [101.0, 45.75], [101.25, 45.65], [101.5, 45.75], [102.03, 45.53], [102.18, 45.18], [102.25, 45.15], [102.5, 45.25], [102.75, 45.15], [103.0, 45.25], [103.53, 45.03], [103.75, 44.5], [103.65, 44.25], [103.68, 44.18], [103.75, 44.15], [104.0, 44.25], [104.53, 44.03], [104.68, 43.68], [105.03, 43.53], [105.18, 43.18], [105.25, 43.15], [105.5, 43.25], [106.03, 43.03], [106.25, 42.5], [106.03, 41.97], [105.5, 41.75], [105.25, 41.85], [105.18, 41.82], [105.03, 41.47], [104.5, 41.25], [104.25, 41.35], [104.0, 41.25], [103.75, 41.35], [103.5, 41.25], [103.25, 41.35], [103.0, 41.25], [102.47, 41.47], [102.32, 41.82], [102.25, 41.85], [102.0, 41.75], [101.47, 41.97], [101.32, 42.32], [101.25, 42.35], [101.0, 42.25], [100.47, 42.47], [100.25, 43.0], [100.47, 43.53], [101.0, 43.75], [100.47, 43.97], [100.25, 44.5], [100.35, 44.75], [100.25, 45.0], [100.47, 45.53]], [[101.25, 43.65], [101.5, 43.75], [101.25, 43.85], [101.0, 43.75], [101.25, 43.65]], [[101.93, 43.57], [101.82, 43.82], [101.75, 43.85], [101.5, 43.75], [101.93, 43.57]]]]}, "2019-12-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[100.47, 45.53], [101.0, 45.75], [101.25, 45.65], [101.5, 45.75], [102.03, 45.53], [102.18, 45.18], [102.25, 45.15], [102.5, 45.25], [102.75, 45.15], [103.0, 45.25], [103.53, 45.03], [103.75, 44.5], [103.63, 44.2], [103.75, 44.15], [104.0, 44.25], [104.53, 44.03], [104.68, 43.68], [105.03, 43.53], [105.18, 43.18], [105.25, 43.15], [105.5, 43.25], [106.03, 43.03], [106.25, 42.5], [106.03, 41.97], [105.5, 41.75], [105.25, 41.85], [105.18, 41.82], [105.03, 41.47], [104.5, 41.25], [104.25, 41.35], [104.0, 41.25], [103.75, 41.35], [103.5, 41.25], [103.25, 41.35], [103.0, 41.25], [102.47, 41.47], [102.32, 41.82], [102.25, 41.85], [102.0, 41.75], [101.47, 41.97], [101.32, 42.32], [101.25, 42.35], [101.0, 42.25], [100.47, 42.47], [100.25, 43.0], [100.47, 43.53], [101.0, 43.75], [100.47, 43.97], [100.25, 44.5], [100.35, 44.75], [100.25, 45.0], [100.47, 45.53]], [[101.25, 43.65], [101.5, 43.75], [101.25, 43.85], [101.0, 43.75], [101.25, 43.65]], [[101.93, 43.57], [101.82, 43.82], [101.75, 43.85], [101.5, 43.75], [101.93, 43.57]]]]}, "2019-12-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[100.47, 45.53], [101.0, 45.75], [101.25, 45.65], [101.5, 45.75], [102.03, 45.53], [102.18, 45.18], [102.25, 45.15], [102.5, 45.25], [102.75, 45.15], [103.0, 45.25], [103.53, 45.03], [103.75, 44.5], [103.63, 44.2], [103.75, 44.15], [104.0, 44.25], [104.53, 44.03], [104.68, 43.68], [105.03, 43.53], [105.18, 43.18], [105.25, 43.15], [105.5, 43.25], [106.03, 43.03], [106.25, 42.5], [106.03, 41.97], [105.5, 41.75], [105.25, 41.85], [105.18, 41.82], [105.03, 41.47], [104.5, 41.25], [104.25, 41.35], [104.0, 41.25], [103.75, 41.35], [103.5, 41.25], [103.25, 41.35], [103.0, 41.25], [102.47, 41.47], [102.32, 41.82], [102.25, 41.85], [102.0, 41.75], [101.47, 41.97], [101.32, 42.32], [101.25, 42.35], [101.0, 42.25], [100.47, 42.47], [100.25, 43.0], [100.47, 43.53], [101.0, 43.75], [100.47, 43.97], [100.25, 44.5], [100.35, 44.75], [100.25, 45.0], [100.47, 45.53]], [[101.25, 43.65], [101.5, 43.75], [101.25, 43.85], [101.0, 43.75], [101.25, 43.65]], [[101.93, 43.57], [101.82, 43.82], [101.75, 43.85], [101.5, 43.75], [101.93, 43.57]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 10.954164590171104}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 6.685694317091629}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [-12.864249867884894, -13.326933344145687, -5.110682648140312, -2.8097869518965126, -4.645817320960305, -6.349929880898628, -6.963251928504349, -6.701582094435707, -6.46562497192383, -5.92515035517431, -5.364028529678933]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [-12.864249867884894, -13.097903702198721, 0.12186955627515772, 2.6740273834964796, 2.170584954515448, -1.753174388639934, -6.8360866384127235, -5.122162767540942, -4.027418254606403, -3.221025165697938, -3.4472142323336925]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [6.721557557139903, 6.453692800589536, 6.030993447829587, 8.385093921683263, 6.380414581465292, 4.902314070134963, 4.941310384251921, 5.482725462029089, 5.4142685475875885, 6.062901689150369, 6.759891397441899]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.721557557139903, 6.469944965479414, 9.984116490324368, 10.954164590171104, 8.191726936347266, 5.438978670123959, 5.0242633683598115, 6.621700794513572, 7.732342854278272, 7.409729181897035, 8.183728186562803]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.1955995521623242, 1.2013295088485034, 1.3697325648455807, 1.939242409050985, 1.5140776731828904, 1.2566562823226763, 1.224417386989651, 1.3855326233773397, 1.411275828142802, 1.5842621545819242, 1.792370701847124]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.1955995521623242, 1.202949654532963, 1.8974592014293254, 2.4690376283183135, 2.0169810900108542, 1.3579729038507293, 1.2611789014577697, 1.6392743176205329, 1.93581059717376, 1.8561235525414606, 2.1332599815704785]}}