{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:10:04.007256", "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": "2018-Jan-30_to_2018-Feb-03_77.0_25.5"}, "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": 2018010002725}, "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 30 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 03 2018"}, "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": 64484.03468520532}, "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": 25.5}, "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": 77.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "77.0\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": 23.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 26.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-01-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[77.0, 26.25], [77.53, 26.03], [77.75, 25.5], [77.53, 24.97], [77.0, 24.75], [76.47, 24.97], [76.25, 25.5], [76.47, 26.03], [77.0, 26.25]]]]}, "2018-01-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[76.25, 25.5], [76.47, 26.03], [77.0, 26.25], [77.25, 26.15], [77.5, 26.25], [78.03, 26.03], [78.25, 25.5], [78.15, 25.25], [78.25, 25.0], [78.03, 24.47], [77.5, 24.25], [76.97, 24.47], [76.82, 24.82], [76.47, 24.97], [76.25, 25.5]]]]}, "2018-02-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[76.25, 25.5], [76.47, 26.03], [77.0, 26.25], [77.25, 26.15], [77.5, 26.25], [77.75, 26.15], [77.82, 26.18], [77.85, 26.25], [77.75, 26.5], [77.97, 27.03], [78.5, 27.25], [79.03, 27.03], [79.18, 26.68], [79.53, 26.53], [79.68, 26.18], [80.03, 26.03], [80.18, 25.68], [80.53, 25.53], [80.68, 25.18], [81.03, 25.03], [81.25, 24.5], [81.15, 24.25], [81.25, 24.0], [81.03, 23.47], [80.5, 23.25], [80.2, 23.38], [80.03, 22.97], [79.5, 22.75], [79.25, 22.85], [79.0, 22.75], [78.75, 22.85], [78.5, 22.75], [77.97, 22.97], [77.75, 23.5], [77.96, 24.0], [77.8, 24.38], [77.5, 24.25], [76.97, 24.47], [76.82, 24.82], [76.47, 24.97], [76.25, 25.5]]]]}, "2018-02-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[76.25, 25.5], [76.47, 26.03], [77.0, 26.25], [77.25, 26.15], [77.5, 26.25], [77.75, 26.15], [77.82, 26.18], [77.85, 26.25], [77.75, 26.5], [77.97, 27.03], [78.5, 27.25], [79.03, 27.03], [79.18, 26.68], [79.53, 26.53], [79.68, 26.18], [80.03, 26.03], [80.18, 25.68], [80.53, 25.53], [80.68, 25.18], [81.03, 25.03], [81.25, 24.5], [81.15, 24.25], [81.25, 24.0], [81.03, 23.47], [80.5, 23.25], [80.2, 23.38], [80.03, 22.97], [79.5, 22.75], [79.25, 22.85], [79.0, 22.75], [78.75, 22.85], [78.5, 22.75], [77.97, 22.97], [77.75, 23.5], [77.96, 24.0], [77.8, 24.38], [77.5, 24.25], [76.97, 24.47], [76.82, 24.82], [76.47, 24.97], [76.25, 25.5]]]]}, "2018-02-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[76.97, 24.97], [76.75, 25.5], [76.97, 26.03], [77.5, 26.25], [77.75, 26.15], [77.82, 26.18], 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21.62853927783499, 21.31509354655367]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [21.031750653148436, 21.601955413868836, 22.320936065298724, 22.953144585690723, 22.88752547161414]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.9434859928493324, 3.743689934029097, 3.4305862772850917, 4.21846692000878, 3.6864891314874004]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.9434859928493324, 4.470318048376157, 4.332796858302572, 5.42363958103806, 4.607520166136169]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.558258452011059, 1.5805586392309312, 1.562602811746244, 1.9806477248698597, 1.78635287618522]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.558258452011059, 1.864890233019116, 1.9331002490847073, 2.5304972127125014, 2.099095756735172]}}