{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:46:53.541669", "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-Feb-28_to_2011-Mar-03_148.0_-4.0"}, "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": 2011020002568}, "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 28 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 03 2011"}, "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": 107899.86147785903}, "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": ["Papua New Guinea"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Equatorial.Pacific-Ocean"]}, "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": ["Bismarck Sea"]}, "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": -4.0}, "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": 148.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "148.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 146.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 151.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -5.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -2.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-02-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[146.25, -2.5], [146.47, -1.97], [147.0, -1.75], [147.25, -1.85], [147.5, -1.75], [147.75, -1.85], [148.0, -1.75], [148.53, -1.97], [148.75, -2.5], [148.65, -2.75], [148.68, -2.82], [148.75, -2.85], [149.0, -2.75], [149.25, -2.85], [149.5, -2.75], [150.03, -2.97], [150.18, -3.32], [150.25, -3.35], [150.5, -3.25], [151.0, -3.46], [151.5, -3.25], [152.03, -3.47], [152.25, -4.0], [152.15, -4.25], [152.25, -4.5], [152.15, -4.75], [152.25, -5.0], [152.03, -5.53], [151.5, -5.75], [151.25, -5.65], [151.18, -5.68], [151.03, -6.03], [150.5, -6.25], [150.25, -6.15], [150.0, -6.25], [149.47, -6.03], [149.3, -5.63], [149.18, -5.68], [149.03, -6.03], [148.5, -6.25], [147.97, -6.03], [147.75, -5.5], [147.96, -5.0], [147.82, -4.68], [147.75, -4.65], [147.5, -4.75], [146.97, -4.53], [146.75, -4.0], [146.85, -3.75], [146.75, -3.5], [146.85, -3.25], [146.82, -3.18], [146.47, -3.03], [146.25, -2.5]]]]}, "2011-03-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[146.46, -3.0], [146.25, -2.5], [146.47, -1.97], [147.0, -1.75], [147.25, -1.85], [147.5, -1.75], [147.75, -1.85], [148.0, -1.75], [148.53, -1.97], [148.75, -2.5], [148.65, -2.75], [148.68, -2.82], [148.75, -2.85], [149.0, -2.75], [149.25, -2.85], [149.5, -2.75], [150.03, -2.97], [150.18, -3.32], [150.25, -3.35], [150.5, -3.25], [151.0, -3.46], [151.5, -3.25], [152.03, -3.47], [152.25, -4.0], [152.15, -4.25], [152.25, -4.5], [152.15, -4.75], [152.25, -5.0], [152.03, -5.53], [151.5, -5.75], [151.25, -5.65], [151.18, -5.68], [151.03, -6.03], [150.5, -6.25], [150.25, -6.15], [150.0, -6.25], [149.47, -6.03], [149.3, -5.63], [149.18, -5.68], [149.03, -6.03], [148.5, -6.25], [147.97, -6.03], [147.75, -5.5], [147.96, -5.0], [147.82, -4.68], [147.75, -4.65], [147.5, -4.75], [147.25, -4.65], [147.0, -4.75], [146.47, -4.53], [146.25, -4.0], [146.35, -3.75], [146.25, -3.5], [146.46, -3.0]]]]}, "2011-03-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[146.46, -3.0], [146.25, -2.5], [146.47, -1.97], [147.0, -1.75], [147.25, -1.85], [147.5, -1.75], [147.75, -1.85], [148.0, -1.75], [148.53, -1.97], [148.75, -2.5], [148.65, -2.75], [148.68, -2.82], [148.75, -2.85], [149.0, -2.75], [149.25, -2.85], [149.5, -2.75], [150.03, -2.97], [150.18, -3.32], [150.25, -3.35], [150.5, -3.25], [151.0, -3.46], [151.5, -3.25], [152.03, -3.47], [152.25, -4.0], [152.15, -4.25], [152.25, -4.5], [152.15, -4.75], [152.25, -5.0], [152.03, -5.53], [151.5, -5.75], [151.25, -5.65], [151.18, -5.68], [151.03, -6.03], [150.5, -6.25], [150.25, -6.15], [150.0, -6.25], [149.47, -6.03], [149.3, -5.63], [149.18, -5.68], [149.03, -6.03], [148.5, -6.25], [147.97, -6.03], [147.75, -5.5], [147.96, -5.0], [147.82, -4.68], [147.75, -4.65], [147.5, -4.75], [147.25, -4.65], [147.0, -4.75], [146.47, -4.53], [146.25, -4.0], [146.35, -3.75], [146.25, -3.5], [146.46, -3.0]]]]}, "2011-03-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[146.47, -2.97], [147.0, -2.75], [147.25, -2.85], [147.5, -2.75], [148.03, -2.97], [148.18, -3.32], [148.25, -3.35], [148.5, -3.25], 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t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.9848557811604561, 1.0815772000014818, 1.218319483227302, 1.035883673710438]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.5651186461922748, 1.5960732055457356, 1.653417784024498, 1.1369730980707118]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7155950703378524, 1.84826632170817, 2.0447056607993295, 1.8122352997099258]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.4363729205319795, 2.472086186995844, 3.275213077918501, 2.0288129719639496]}}