{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:57:50.920398", "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-Nov-22_to_2025-Nov-25_74.5_17.5"}, "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": 2025110002013}, "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": "November 22 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 25 2025"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 56040.88028112968}, "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": ["India"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.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": 17.5}, "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": 74.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "74.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 73.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 76.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 15.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 18.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-11-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[73.35, 16.75], [73.25, 17.0], [73.35, 17.25], [73.25, 17.5], [73.47, 18.03], [73.82, 18.18], [73.97, 18.53], [74.5, 18.75], [75.0, 18.54], [75.32, 18.68], [75.47, 19.03], [76.0, 19.25], [76.53, 19.03], [76.75, 18.5], [76.65, 18.25], [76.75, 18.0], [76.65, 17.75], [76.75, 17.5], [76.65, 17.25], [76.75, 17.0], [76.65, 16.75], [76.75, 16.5], [76.53, 15.97], [76.0, 15.75], [75.47, 15.97], [75.32, 16.32], [75.25, 16.35], [75.0, 16.25], [74.75, 16.35], [74.68, 16.32], [74.65, 16.25], [74.75, 16.0], [74.53, 15.47], [74.0, 15.25], [73.47, 15.47], [73.25, 16.0], [73.35, 16.25], [73.25, 16.5], [73.35, 16.75]]]]}, "2025-11-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[73.35, 16.75], [73.25, 17.0], [73.35, 17.25], [73.25, 17.5], [73.47, 18.03], [73.82, 18.18], [73.97, 18.53], [74.32, 18.68], [74.47, 19.03], [75.0, 19.25], [75.5, 19.04], [76.0, 19.25], [76.53, 19.03], [76.75, 18.5], [76.65, 18.25], [76.75, 18.0], [76.65, 17.75], [76.75, 17.5], [76.65, 17.25], [76.75, 17.0], [76.65, 16.75], [76.75, 16.5], [76.53, 15.97], [76.0, 15.75], [75.47, 15.97], [75.32, 16.32], [75.25, 16.35], [75.0, 16.25], [74.75, 16.35], [74.68, 16.32], [74.65, 16.25], [74.75, 16.0], [74.53, 15.47], [74.0, 15.25], [73.47, 15.47], [73.25, 16.0], [73.35, 16.25], [73.25, 16.5], [73.35, 16.75]]]]}, "2025-11-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[73.35, 16.75], [73.25, 17.0], [73.35, 17.25], [73.25, 17.5], [73.47, 18.03], [73.82, 18.18], [73.97, 18.53], [74.32, 18.68], [74.47, 19.03], [75.0, 19.25], [75.5, 19.04], [76.0, 19.25], [76.53, 19.03], [76.75, 18.5], [76.65, 18.25], [76.75, 18.0], [76.65, 17.75], [76.75, 17.5], [76.65, 17.25], [76.75, 17.0], [76.65, 16.75], [76.75, 16.5], [76.53, 15.97], [76.0, 15.75], [75.47, 15.97], [75.32, 16.32], [75.25, 16.35], [75.0, 16.25], [74.75, 16.35], [74.68, 16.32], [74.65, 16.25], [74.75, 16.0], [74.53, 15.47], [74.0, 15.25], [73.47, 15.47], [73.25, 16.0], [73.35, 16.25], [73.25, 16.5], [73.35, 16.75]]]]}, "2025-11-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[73.47, 18.03], [73.82, 18.18], [73.97, 18.53], [74.32, 18.68], [74.47, 19.03], [75.0, 19.25], [75.5, 19.04], [76.0, 19.25], [76.53, 19.03], [76.75, 18.5], [76.53, 17.97], [76.18, 17.82], [76.04, 17.5], [76.25, 17.0], [76.03, 16.47], [75.5, 16.25], [75.25, 16.35], [75.0, 16.25], [74.5, 16.46], [74.0, 16.25], [73.47, 16.47], [73.25, 17.0], [73.35, 17.25], [73.25, 17.5], [73.47, 18.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.3353321189359804}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.4549062258215977}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.46091150022022, 26.770198875561107, 26.574908126027992, 25.68913306033977]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.262228902180993, 28.317947642008505, 28.250085449218773, 27.127491251627646]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.347458368696714, 2.683565941077036, 2.534613562917669, 2.0883280054983557]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.024569823360764, 3.3353321189359804, 3.084201009529579, 2.320595602589492]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.712517891524036, 1.9554292206286492, 1.8400260400105775, 1.5045863938965198]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.3360157494305294, 2.576780861833183, 2.2202018168816524, 1.7703774276613338]}}