{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:19:02.369918", "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-Jan-20_to_2019-Jan-22_80.0_26.5"}, "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": 2019010002265}, "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 20 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 22 2019"}, "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": 60709.165455992246}, "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": 26.5}, "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": 80.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "80.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 77.75}, "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": 24.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 28.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-01-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[77.47, 27.53], [77.82, 27.68], [77.97, 28.03], [78.5, 28.25], [78.75, 28.15], [79.0, 28.25], [79.25, 28.15], [79.32, 28.18], [79.47, 28.53], [80.0, 28.75], [80.53, 28.53], [80.68, 28.18], [81.03, 28.03], [81.25, 27.5], [81.15, 27.25], [81.25, 27.0], [81.15, 26.75], [81.25, 26.5], [81.03, 25.97], [80.5, 25.75], [80.25, 25.85], [80.0, 25.75], [79.75, 25.85], [79.68, 25.82], [79.53, 25.47], [79.18, 25.32], [79.15, 25.25], [79.25, 25.0], [79.03, 24.47], [78.5, 24.25], [77.97, 24.47], [77.75, 25.0], [77.85, 25.25], [77.75, 25.5], [77.85, 25.75], [77.82, 25.82], [77.47, 25.97], [77.25, 26.5], [77.35, 26.75], [77.25, 27.0], [77.47, 27.53]]]]}, "2019-01-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[77.47, 27.53], [77.82, 27.68], [77.97, 28.03], [78.5, 28.25], [78.75, 28.15], [79.0, 28.25], [79.25, 28.15], [79.32, 28.18], [79.47, 28.53], [80.0, 28.75], [80.53, 28.53], [80.68, 28.18], [81.03, 28.03], [81.25, 27.5], [81.15, 27.25], [81.25, 27.0], [81.15, 26.75], [81.25, 26.5], [81.03, 25.97], [80.5, 25.75], [80.25, 25.85], [80.0, 25.75], [79.75, 25.85], [79.68, 25.82], [79.53, 25.47], [79.18, 25.32], [79.15, 25.25], [79.25, 25.0], [79.03, 24.47], [78.5, 24.25], [77.97, 24.47], [77.75, 25.0], [77.85, 25.25], [77.75, 25.5], [77.85, 25.75], [77.82, 25.82], [77.47, 25.97], [77.25, 26.5], [77.35, 26.75], [77.25, 27.0], [77.47, 27.53]]]]}, "2019-01-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[77.47, 27.53], [77.82, 27.68], [77.97, 28.03], [78.5, 28.25], [78.75, 28.15], [79.0, 28.25], [79.25, 28.15], [79.32, 28.18], [79.47, 28.53], [80.0, 28.75], [80.53, 28.53], [80.68, 28.18], [81.03, 28.03], [81.25, 27.5], [81.15, 27.25], [81.25, 27.0], [81.15, 26.75], [81.25, 26.5], [81.03, 25.97], [80.5, 25.75], [80.25, 25.85], [80.0, 25.75], [79.75, 25.85], [79.68, 25.82], [79.53, 25.47], [79.18, 25.32], [79.15, 25.25], [79.25, 25.0], [79.03, 24.47], [78.5, 24.25], [77.97, 24.47], [77.75, 25.0], [77.85, 25.25], [77.75, 25.5], [77.85, 25.75], [77.82, 25.82], [77.47, 25.97], [77.25, 26.5], [77.35, 26.75], [77.25, 27.0], [77.47, 27.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.49339296933681}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.924547590326653}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [17.448249664552975, 18.731606540022028, 17.78399196337682]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [18.578413177194136, 20.72883994974893, 18.92199323320625]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.5092254547678166, 4.685584305032832, 3.5788330111793103]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.9532727542894577, 5.49339296933681, 4.449404185659944]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6554345474257437, 2.2929336663622064, 1.7967338142366551]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8763215345095305, 2.6174995951603988, 2.1837147033331497]}}