{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:48:17.815655", "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-Aug-28_to_2011-Sep-01_78.0_29.5"}, "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": 2011080003121}, "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": "August 28 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 01 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": 70283.01982231307}, "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", "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": 29.5}, "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": 78.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "78.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 76.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 80.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 27.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 30.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-08-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[78.0, 30.25], [78.53, 30.03], [78.75, 29.5], [78.53, 28.97], [78.0, 28.75], [77.47, 28.97], [77.25, 29.5], [77.47, 30.03], [78.0, 30.25]]]]}, "2011-08-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[76.97, 28.97], [76.75, 29.5], [76.97, 30.03], [77.5, 30.25], [77.75, 30.15], [78.0, 30.25], [78.53, 30.03], [78.75, 29.5], [78.53, 28.97], [78.0, 28.75], [77.75, 28.85], [77.5, 28.75], [76.97, 28.97]]]]}, "2011-08-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[76.47, 31.03], [77.0, 31.25], [77.25, 31.15], [77.5, 31.25], [77.75, 31.15], [78.0, 31.25], [78.53, 31.03], [78.75, 30.5], [78.65, 30.25], [78.68, 30.18], [78.75, 30.15], [79.0, 30.25], [79.53, 30.03], [79.68, 29.68], [80.03, 29.53], [80.18, 29.18], [80.25, 29.15], [80.5, 29.25], [81.03, 29.03], [81.25, 28.5], [81.03, 27.97], [80.68, 27.82], [80.53, 27.47], [80.18, 27.32], [80.03, 26.97], [79.5, 26.75], [79.0, 26.96], [78.5, 26.75], [77.97, 26.97], [77.75, 27.5], [77.85, 27.75], [77.75, 28.0], [77.85, 28.25], [77.82, 28.32], [77.75, 28.35], [77.5, 28.25], [76.97, 28.47], [76.75, 29.0], [76.85, 29.25], [76.82, 29.32], [76.47, 29.47], [76.25, 30.0], [76.35, 30.25], [76.25, 30.5], [76.47, 31.03]]]]}, "2011-08-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[76.47, 31.03], [77.0, 31.25], [77.25, 31.15], [77.5, 31.25], [77.75, 31.15], [78.0, 31.25], [78.53, 31.03], [78.75, 30.5], [78.65, 30.25], [78.68, 30.18], [78.75, 30.15], [79.0, 30.25], [79.53, 30.03], [79.68, 29.68], [80.03, 29.53], [80.18, 29.18], [80.25, 29.15], [80.5, 29.25], [81.03, 29.03], [81.25, 28.5], [81.03, 27.97], [80.68, 27.82], [80.53, 27.47], [80.18, 27.32], [80.03, 26.97], [79.5, 26.75], [79.0, 26.96], [78.5, 26.75], [77.97, 26.97], [77.75, 27.5], [77.85, 27.75], [77.75, 28.0], [77.85, 28.25], [77.82, 28.32], [77.75, 28.35], [77.5, 28.25], [76.97, 28.47], [76.75, 29.0], [76.85, 29.25], [76.82, 29.32], [76.47, 29.47], [76.25, 30.0], [76.35, 30.25], [76.25, 30.5], [76.47, 31.03]]]]}, "2011-09-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[76.47, 31.03], [77.0, 31.25], [77.25, 31.15], [77.5, 31.25], [77.75, 31.15], [78.0, 31.25], [78.53, 31.03], [78.75, 30.5], [78.65, 30.25], [78.68, 30.18], [78.75, 30.15], [79.0, 30.25], [79.53, 30.03], [79.68, 29.68], [80.03, 29.53], [80.18, 29.18], [80.25, 29.15], [80.5, 29.25], [81.03, 29.03], [81.25, 28.5], [81.03, 27.97], [80.68, 27.82], [80.53, 27.47], [80.18, 27.32], [80.03, 26.97], [79.5, 26.75], [79.0, 26.96], [78.5, 26.75], [77.97, 26.97], [77.75, 27.5], [77.85, 27.75], [77.75, 28.0], [77.85, 28.25], [77.82, 28.32], [77.75, 28.35], [77.5, 28.25], [76.97, 28.47], [76.75, 29.0], [76.85, 29.25], [76.82, 29.32], [76.47, 29.47], [76.25, 30.0], [76.35, 30.25], [76.25, 30.5], [76.47, 31.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.4877750168965918}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.9438679874707223}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [30.651717708612637, 30.602393861142673, 30.38580590851177, 30.362589224880196, 30.389407620884356]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [30.651717708612637, 30.651395856426802, 31.376689757069812, 31.50575248356546, 31.43477147534736]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.7049707912165672, 1.588876208903912, 1.8937562612953536, 1.9345371442651553, 2.0398059704434957]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.7049707912165672, 1.5963240856092966, 2.178951527005836, 2.2679634909624156, 2.4877750168965918]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4074149681175538, 1.2701836085681983, 1.488704444957302, 1.4932035520407976, 1.5633186394705234]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4074149681175538, 1.3211641440508521, 1.856574898628131, 1.7925312905868789, 1.9383402175642657]}}