{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:54:24.210083", "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": "2025-Jan-10_to_2025-Jan-22_79.5_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": 2025010001503}, "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": "January 10 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 22 2025"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 13}, "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": 101027.6657809176}, "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", "Kazakhstan", "Kyrgyzstan"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.C.Asia", "W.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": 79.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "79.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 74.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 81.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 40.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 43.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-01-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[76.97, 41.47], [76.75, 42.0], [76.97, 42.53], [77.5, 42.75], [78.03, 42.53], [78.25, 42.0], [78.03, 41.47], [77.5, 41.25], [76.97, 41.47]]], [[[79.53, 42.53], [79.75, 42.0], [79.53, 41.47], [79.0, 41.25], [78.47, 41.47], [78.25, 42.0], [78.47, 42.53], [79.0, 42.75], [79.53, 42.53]]]]}, "2025-01-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[77.0, 43.25], [77.25, 43.15], [77.5, 43.25], [78.03, 43.03], [78.18, 42.68], [78.25, 42.65], [78.5, 42.75], [78.75, 42.65], [78.88, 42.7], [78.75, 43.0], [78.97, 43.53], [79.5, 43.75], [79.75, 43.65], [80.0, 43.75], [80.3, 43.63], [80.47, 44.03], [81.0, 44.25], [81.53, 44.03], [81.75, 43.5], [81.53, 42.97], [81.0, 42.75], [80.7, 42.88], [80.53, 42.47], [80.0, 42.25], [79.75, 42.35], [79.63, 42.3], [79.75, 42.0], [79.53, 41.47], [79.18, 41.32], [79.03, 40.97], [78.5, 40.75], [78.25, 40.85], [78.18, 40.82], [78.03, 40.47], [77.5, 40.25], [76.97, 40.47], [76.75, 41.0], [76.85, 41.25], [76.82, 41.32], [76.75, 41.35], [76.5, 41.25], [75.97, 41.47], [75.75, 42.0], [75.97, 42.53], [76.32, 42.68], [76.47, 43.03], [77.0, 43.25]]]]}, "2025-01-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[73.97, 41.97], [73.75, 42.5], [73.97, 43.03], [74.5, 43.25], [74.75, 43.15], [75.0, 43.25], [75.53, 43.03], [75.68, 42.68], [75.75, 42.65], [76.0, 42.75], [76.25, 42.65], [76.32, 42.68], [76.47, 43.03], [77.0, 43.25], [77.25, 43.15], [77.5, 43.25], [77.8, 43.13], [77.97, 43.53], [78.5, 43.75], [78.75, 43.65], [79.0, 43.75], [79.25, 43.65], [79.5, 43.75], [79.75, 43.65], [80.0, 43.75], [80.3, 43.63], [80.47, 44.03], [81.0, 44.25], [81.53, 44.03], [81.75, 43.5], [81.53, 42.97], [81.0, 42.75], [80.7, 42.88], [80.53, 42.47], [80.0, 42.25], [79.75, 42.35], [79.63, 42.3], [79.75, 42.0], [79.53, 41.47], [79.18, 41.32], [79.03, 40.97], [78.5, 40.75], [78.25, 40.85], [78.18, 40.82], [78.03, 40.47], [77.5, 40.25], [77.25, 40.35], [77.0, 40.25], [76.47, 40.47], [76.25, 41.0], [76.35, 41.25], [76.32, 41.32], [76.25, 41.35], [76.0, 41.25], [75.75, 41.35], [75.5, 41.25], [74.97, 41.47], [74.82, 41.82], [74.75, 41.85], [74.5, 41.75], [73.97, 41.97]]]]}, "2025-01-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[73.97, 41.97], [73.75, 42.5], [73.97, 43.03], [74.5, 43.25], [74.75, 43.15], [75.0, 43.25], [75.53, 43.03], [75.68, 42.68], [75.75, 42.65], [76.0, 42.75], [76.25, 42.65], [76.32, 42.68], [76.47, 43.03], [77.0, 43.25], [77.25, 43.15], [77.5, 43.25], [77.8, 43.13], [77.97, 43.53], [78.5, 43.75], [78.75, 43.65], [79.0, 43.75], [79.25, 43.65], [79.5, 43.75], [79.75, 43.65], [80.0, 43.75], [80.3, 43.63], [80.47, 44.03], [81.0, 44.25], [81.53, 44.03], [81.75, 43.5], [81.53, 42.97], [81.0, 42.75], [80.7, 42.88], [80.53, 42.47], [80.0, 42.25], [79.75, 42.35], [79.63, 42.3], [79.75, 42.0], [79.53, 41.47], [79.18, 41.32], [79.03, 40.97], [78.5, 40.75], [78.25, 40.85], [78.18, 40.82], [78.03, 40.47], [77.5, 40.25], [77.25, 40.35], [77.0, 40.25], [76.47, 40.47], [76.25, 41.0], [76.35, 41.25], [76.32, 41.32], [76.25, 41.35], [76.0, 41.25], [75.75, 41.35], [75.5, 41.25], [74.97, 41.47], [74.82, 41.82], [74.75, 41.85], [74.5, 41.75], [73.97, 41.97]]]]}, "2025-01-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[73.97, 41.97], [73.75, 42.5], [73.97, 43.03], [74.5, 43.25], [74.75, 43.15], [75.0, 43.25], [75.53, 43.03], [75.68, 42.68], [75.75, 42.65], [75.82, 42.68], [75.97, 43.03], [76.5, 43.25], [76.75, 43.15], [77.0, 43.25], [77.5, 43.04], [77.82, 43.18], [77.97, 43.53], [78.5, 43.75], [78.75, 43.65], [79.0, 43.75], [79.25, 43.65], [79.5, 43.75], [79.75, 43.65], [79.82, 43.68], [79.97, 44.03], [80.5, 44.25], [80.75, 44.15], [81.0, 44.25], [81.53, 44.03], [81.75, 43.5], [81.53, 42.97], [81.0, 42.75], [80.75, 42.85], [80.68, 42.82], [80.53, 42.47], [80.0, 42.25], [79.75, 42.35], [79.63, 42.3], [79.75, 42.0], [79.53, 41.47], [79.18, 41.32], [79.03, 40.97], [78.5, 40.75], [78.25, 40.85], [78.18, 40.82], [78.03, 40.47], [77.5, 40.25], [77.25, 40.35], [77.0, 40.25], [76.47, 40.47], [76.3, 40.88], [76.0, 40.75], [75.47, 40.97], [75.32, 41.32], [74.97, 41.47], [74.82, 41.82], [74.75, 41.85], [74.5, 41.75], [73.97, 41.97]]]]}, "2025-01-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[74.75, 42.0], [74.97, 42.53], [75.5, 42.75], [75.75, 42.65], [75.82, 42.68], [75.97, 43.03], [76.5, 43.25], [77.03, 43.03], [77.18, 42.68], [77.25, 42.65], [77.32, 42.68], [77.47, 43.03], [77.82, 43.18], [77.97, 43.53], [78.5, 43.75], [78.75, 43.65], [79.0, 43.75], [79.25, 43.65], [79.5, 43.75], [79.75, 43.65], [79.82, 43.68], [79.97, 44.03], [80.5, 44.25], [80.75, 44.15], [81.0, 44.25], [81.53, 44.03], [81.75, 43.5], [81.53, 42.97], [81.0, 42.75], [80.75, 42.85], [80.68, 42.82], [80.53, 42.47], [80.0, 42.25], [79.75, 42.35], [79.63, 42.3], [79.75, 42.0], [79.53, 41.47], [79.18, 41.32], [79.03, 40.97], [78.5, 40.75], [78.25, 40.85], [78.18, 40.82], [78.03, 40.47], [77.5, 40.25], [77.25, 40.35], [77.0, 40.25], [76.47, 40.47], [76.3, 40.88], [76.0, 40.75], [75.47, 40.97], [75.32, 41.32], [74.97, 41.47], [74.75, 42.0]]]]}, "2025-01-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[74.75, 42.0], [74.97, 42.53], [75.5, 42.75], [75.75, 42.65], [75.82, 42.68], [75.97, 43.03], [76.5, 43.25], [77.03, 43.03], [77.18, 42.68], [77.25, 42.65], [77.32, 42.68], [77.47, 43.03], [77.82, 43.18], [77.97, 43.53], [78.5, 43.75], [78.75, 43.65], [79.0, 43.75], [79.25, 43.65], [79.5, 43.75], [79.75, 43.65], [79.82, 43.68], [79.97, 44.03], [80.5, 44.25], [80.75, 44.15], [81.0, 44.25], [81.53, 44.03], [81.75, 43.5], [81.53, 42.97], [81.0, 42.75], [80.75, 42.85], [80.68, 42.82], [80.53, 42.47], [80.0, 42.25], [79.75, 42.35], [79.63, 42.3], [79.75, 42.0], [79.53, 41.47], [79.18, 41.32], [79.03, 40.97], [78.68, 40.82], [78.53, 40.47], [78.0, 40.25], [77.75, 40.35], [77.68, 40.32], [77.53, 39.97], [77.0, 39.75], [76.47, 39.97], [76.25, 40.5], [76.35, 40.75], [76.3, 40.88], [76.0, 40.75], [75.47, 40.97], [75.32, 41.32], [74.97, 41.47], [74.75, 42.0]]]]}, "2025-01-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[74.75, 42.0], [74.97, 42.53], [75.5, 42.75], [75.75, 42.65], [76.0, 42.75], [76.25, 42.65], [76.5, 42.75], [76.75, 42.65], [77.0, 42.75], [77.25, 42.65], [77.32, 42.68], [77.35, 42.75], [77.25, 43.0], [77.47, 43.53], [78.0, 43.75], [78.25, 43.65], [78.5, 43.75], [78.75, 43.65], [79.0, 43.75], [79.25, 43.65], [79.5, 43.75], [79.75, 43.65], [80.0, 43.75], [80.3, 43.63], [80.47, 44.03], [81.0, 44.25], [81.53, 44.03], [81.75, 43.5], [81.53, 42.97], [81.0, 42.75], [80.7, 42.88], [80.53, 42.47], [80.0, 42.25], [79.75, 42.35], [79.68, 42.32], [79.65, 42.25], [79.75, 42.0], [79.53, 41.47], [79.18, 41.32], [79.03, 40.97], [78.68, 40.82], [78.53, 40.47], [78.0, 40.25], [77.75, 40.35], [77.68, 40.32], [77.53, 39.97], [77.0, 39.75], [76.47, 39.97], [76.25, 40.5], [76.35, 40.75], [76.32, 40.82], [76.25, 40.85], [76.0, 40.75], [75.47, 40.97], [75.32, 41.32], [74.97, 41.47], [74.75, 42.0]]]]}, "2025-01-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[74.97, 43.03], [75.5, 43.25], [75.75, 43.15], [76.0, 43.25], [76.53, 43.03], [76.68, 42.68], [76.75, 42.65], [76.88, 42.7], [76.75, 43.0], [76.97, 43.53], [77.5, 43.75], [77.75, 43.65], [78.0, 43.75], [78.25, 43.65], [78.5, 43.75], [78.75, 43.65], [79.0, 43.75], [79.25, 43.65], [79.5, 43.75], [79.75, 43.65], [80.0, 43.75], [80.53, 43.53], [80.75, 43.0], [80.53, 42.47], [80.0, 42.25], [79.75, 42.35], [79.68, 42.32], [79.65, 42.25], [79.75, 42.0], [79.53, 41.47], [79.18, 41.32], [79.03, 40.97], [78.68, 40.82], [78.53, 40.47], [78.0, 40.25], [77.75, 40.35], [77.68, 40.32], [77.53, 39.97], [77.0, 39.75], [76.47, 39.97], [76.25, 40.5], [76.35, 40.75], [76.32, 40.82], [76.25, 40.85], [76.0, 40.75], [75.47, 40.97], [75.32, 41.32], [74.97, 41.47], [74.75, 42.0], [74.85, 42.25], [74.75, 42.5], [74.97, 43.03]]]]}, "2025-01-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[74.97, 43.03], [75.5, 43.25], [75.75, 43.15], [76.0, 43.25], [76.25, 43.15], [76.5, 43.25], [76.8, 43.13], [76.97, 43.53], [77.5, 43.75], [77.75, 43.65], [78.0, 43.75], [78.25, 43.65], [78.5, 43.75], [78.75, 43.65], [79.0, 43.75], [79.25, 43.65], [79.5, 43.75], [79.75, 43.65], [80.0, 43.75], [80.53, 43.53], [80.75, 43.0], [80.53, 42.47], [80.18, 42.32], [80.15, 42.25], [80.25, 42.0], [80.03, 41.47], [79.68, 41.32], [79.53, 40.97], [79.18, 40.82], [79.03, 40.47], [78.5, 40.25], [78.25, 40.35], [78.18, 40.32], [78.03, 39.97], [77.5, 39.75], [77.25, 39.85], [77.0, 39.75], [76.47, 39.97], [76.32, 40.32], [75.97, 40.47], [75.82, 40.82], [75.47, 40.97], [75.32, 41.32], [74.97, 41.47], [74.75, 42.0], [74.85, 42.25], [74.75, 42.5], [74.97, 43.03]]]]}, "2025-01-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[74.97, 43.03], [75.5, 43.25], [75.75, 43.15], [76.0, 43.25], [76.25, 43.15], [76.5, 43.25], [76.8, 43.13], [76.97, 43.53], [77.5, 43.75], [77.75, 43.65], [78.0, 43.75], [78.25, 43.65], [78.5, 43.75], [78.75, 43.65], [79.0, 43.75], [79.25, 43.65], [79.5, 43.75], [79.75, 43.65], [80.0, 43.75], [80.53, 43.53], [80.75, 43.0], [80.53, 42.47], [80.18, 42.32], [80.15, 42.25], [80.25, 42.0], [80.15, 41.75], [80.25, 41.5], [80.03, 40.97], [79.5, 40.75], [79.25, 40.85], [79.18, 40.82], [79.03, 40.47], [78.68, 40.32], [78.53, 39.97], [78.0, 39.75], [77.75, 39.85], [77.5, 39.75], [77.25, 39.85], [77.0, 39.75], [76.47, 39.97], [76.32, 40.32], [75.97, 40.47], [75.82, 40.82], [75.47, 40.97], [75.32, 41.32], [74.97, 41.47], [74.75, 42.0], [74.85, 42.25], [74.75, 42.5], [74.97, 43.03]]]]}, "2025-01-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[74.97, 43.03], [75.5, 43.25], [75.75, 43.15], [76.0, 43.25], [76.25, 43.15], [76.5, 43.25], [76.8, 43.13], [76.97, 43.53], [77.5, 43.75], [77.75, 43.65], [78.0, 43.75], [78.25, 43.65], [78.5, 43.75], [78.75, 43.65], [79.0, 43.75], [79.25, 43.65], [79.5, 43.75], [79.75, 43.65], [80.0, 43.75], [80.53, 43.53], [80.75, 43.0], [80.53, 42.47], [80.18, 42.32], [80.15, 42.25], [80.25, 42.0], [80.15, 41.75], [80.25, 41.5], [80.03, 40.97], [79.5, 40.75], [79.25, 40.85], [79.18, 40.82], [79.03, 40.47], [78.68, 40.32], [78.53, 39.97], [78.0, 39.75], [77.75, 39.85], [77.5, 39.75], [77.25, 39.85], [77.0, 39.75], [76.47, 39.97], [76.32, 40.32], [75.97, 40.47], [75.82, 40.82], [75.47, 40.97], [75.32, 41.32], [74.97, 41.47], [74.75, 42.0], [74.85, 42.25], [74.75, 42.5], [74.97, 43.03]]]]}, "2025-01-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[74.75, 42.0], [74.97, 42.53], [75.5, 42.75], [75.75, 42.65], [76.0, 42.75], [76.25, 42.65], [76.5, 42.75], [76.75, 42.65], [77.0, 42.75], [77.25, 42.65], [77.32, 42.68], [77.47, 43.03], [78.0, 43.25], [78.25, 43.15], [78.32, 43.18], [78.47, 43.53], [79.0, 43.75], [79.25, 43.65], [79.5, 43.75], [79.75, 43.65], [80.0, 43.75], [80.53, 43.53], [80.75, 43.0], [80.53, 42.47], [80.18, 42.32], [80.15, 42.25], [80.25, 42.0], [80.15, 41.75], [80.25, 41.5], [80.03, 40.97], [79.5, 40.75], [79.25, 40.85], [79.18, 40.82], [79.03, 40.47], [78.68, 40.32], [78.53, 39.97], [78.0, 39.75], [77.75, 39.85], [77.5, 39.75], [77.25, 39.85], [77.0, 39.75], [76.47, 39.97], [76.25, 40.5], [76.35, 40.75], [76.32, 40.82], [76.25, 40.85], [76.0, 40.75], [75.47, 40.97], [75.32, 41.32], [74.97, 41.47], [74.75, 42.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 11.620880668927157}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 6.655678142625267}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [-14.57771530151365, -10.62135730319551, -10.244960641169882, -9.955098464523473, -9.582933948658138, -10.027699825498814, -10.049123656444067, -10.676181703732368, -10.26611725818151, -10.03528219858805, -9.103399992825643, -9.3649520171316, -10.873118398381337]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [-13.245886866251624, 4.780970509847009, 5.020902252197288, 5.017992909749353, 3.690145111084007, -0.22362620035806913, -0.5182085673014285, -0.41888147989908475, -0.7094202677408816, -0.6584851582844635, 0.2924247741699446, 0.16094868977864962, -0.7343709309895416]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.655841831836398, 5.79513689540251, 6.431394295491461, 6.755938320913518, 6.384070264940362, 6.6606927816262855, 6.570796169319461, 6.793296240535084, 7.022118998848933, 6.764570204603095, 7.298887532175817, 6.946055830790888, 5.739865443394889]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.775698080247139, 8.774188236473265, 9.401208791915053, 9.054740107727639, 9.502519154627976, 10.421092362252864, 10.81902765073454, 10.761549668594569, 10.274824642374483, 9.671740679811535, 11.178905691728744, 11.620880668927157, 7.76221343593113]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4709617993819821, 1.5122548780557528, 1.6260206134362074, 1.7171192391820604, 1.6068389917694414, 1.668389272979172, 1.6752562162964288, 1.7431361953396187, 1.8064199615986276, 1.787270976615319, 1.9328948302697717, 1.81952618526266, 1.49955388553318]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5694432495687611, 1.8905086731504397, 2.2447931436177546, 2.308677680841253, 2.0949540580795714, 2.290300429871438, 2.4099441167143407, 2.453095766045065, 2.356866881664451, 2.3682605765125677, 2.573116049542199, 2.640156750895279, 2.063362277905142]}}