{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:58:41.162657", "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": "2026-Feb-04_to_2026-Feb-06_81.0_37.0"}, "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": 2026020001158}, "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 04 2026"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 06 2026"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 80890.44403207768}, "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.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": 37.0}, "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": 81.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "81.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 78.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 83.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 36.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 38.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2026-02-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[77.97, 38.53], [78.32, 38.68], [78.47, 39.03], [79.0, 39.25], [79.5, 39.04], [80.0, 39.25], [80.53, 39.03], [80.68, 38.68], [80.75, 38.65], [81.0, 38.75], [81.25, 38.65], [81.5, 38.75], [81.75, 38.65], [82.0, 38.75], [82.25, 38.65], [82.5, 38.75], [82.75, 38.65], [83.0, 38.75], [83.53, 38.53], [83.68, 38.18], [84.03, 38.03], [84.25, 37.5], [84.03, 36.97], [83.68, 36.82], [83.53, 36.47], [83.0, 36.25], [82.75, 36.35], [82.5, 36.25], [82.25, 36.35], [82.18, 36.32], [82.03, 35.97], [81.5, 35.75], [81.25, 35.85], [81.0, 35.75], [80.47, 35.97], [80.32, 36.32], [80.25, 36.35], [80.0, 36.25], [79.75, 36.35], [79.5, 36.25], [78.97, 36.47], [78.82, 36.82], [78.75, 36.85], [78.5, 36.75], [77.97, 36.97], [77.75, 37.5], [77.85, 37.75], [77.75, 38.0], [77.97, 38.53]]]]}, "2026-02-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[77.97, 38.53], [78.32, 38.68], [78.47, 39.03], [79.0, 39.25], [79.5, 39.04], [80.0, 39.25], [80.53, 39.03], [80.68, 38.68], [80.75, 38.65], [81.0, 38.75], [81.25, 38.65], [81.5, 38.75], [81.75, 38.65], [82.0, 38.75], [82.25, 38.65], [82.5, 38.75], [82.75, 38.65], [83.0, 38.75], [83.53, 38.53], [83.68, 38.18], [84.03, 38.03], [84.25, 37.5], [84.03, 36.97], [83.68, 36.82], [83.53, 36.47], [83.0, 36.25], [82.75, 36.35], [82.5, 36.25], [82.25, 36.35], [82.18, 36.32], [82.03, 35.97], [81.5, 35.75], [81.25, 35.85], [81.0, 35.75], [80.47, 35.97], [80.32, 36.32], [80.25, 36.35], [80.0, 36.25], [79.75, 36.35], [79.5, 36.25], [78.97, 36.47], [78.82, 36.82], [78.75, 36.85], [78.5, 36.75], [77.97, 36.97], [77.75, 37.5], [77.85, 37.75], [77.75, 38.0], [77.97, 38.53]]]]}, "2026-02-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[77.97, 38.53], [78.32, 38.68], [78.47, 39.03], [79.0, 39.25], [79.5, 39.04], [80.0, 39.25], [80.53, 39.03], [80.68, 38.68], [80.75, 38.65], [81.0, 38.75], [81.25, 38.65], [81.5, 38.75], [81.75, 38.65], [82.0, 38.75], [82.25, 38.65], [82.5, 38.75], [82.75, 38.65], [83.0, 38.75], [83.53, 38.53], [83.68, 38.18], [84.03, 38.03], [84.25, 37.5], [84.03, 36.97], [83.68, 36.82], [83.53, 36.47], [83.0, 36.25], [82.75, 36.35], [82.5, 36.25], [82.25, 36.35], [82.18, 36.32], [82.03, 35.97], [81.5, 35.75], [81.25, 35.85], [81.0, 35.75], [80.47, 35.97], [80.32, 36.32], [80.25, 36.35], [80.0, 36.25], [79.75, 36.35], [79.5, 36.25], [78.97, 36.47], [78.82, 36.82], [78.75, 36.85], [78.5, 36.75], [77.97, 36.97], [77.75, 37.5], [77.85, 37.75], [77.75, 38.0], [77.97, 38.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 8.306380965638255}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.798694244882174}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [2.7750759933933864, 4.517272625547491, 3.4137314536355348]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [4.89024378458663, 6.635458882649743, 4.7290575663249115]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.342787025101183, 6.745770969318445, 5.307524740226885]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.900770552388053, 8.306380965638255, 6.389303573244661]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5950958261736221, 2.003988697274492, 1.5877736726772982]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.057872468639545, 2.3213738988188988, 1.7864911359531561]}}