{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:04:41.708700", "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": "2016-Jan-30_to_2016-Feb-02_150.0_-5.5"}, "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": 2016010002399}, "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 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 02 2016"}, "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": 55459.19341663162}, "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": -5.5}, "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": 150.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "150.0\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": 151.25}, "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": -3.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-01-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[146.97, -2.97], [147.5, -2.75], [147.75, -2.85], [148.0, -2.75], [148.25, -2.85], [148.5, -2.75], [149.03, -2.97], [149.18, -3.32], [149.53, -3.47], [149.75, -4.0], [149.63, -4.3], [149.75, -4.35], [150.0, -4.25], [150.25, -4.35], [150.5, -4.25], [150.75, -4.35], [151.0, -4.25], [151.53, -4.47], [151.75, -5.0], [151.65, -5.25], [151.75, -5.5], [151.53, -6.03], [151.0, -6.25], [150.75, -6.15], [150.5, -6.25], [150.25, -6.15], [150.0, -6.25], [149.75, -6.15], [149.5, -6.25], [148.97, -6.03], [148.82, -5.68], [148.47, -5.53], [148.32, -5.18], [147.97, -5.03], [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], [146.97, -2.97]]]]}, "2016-01-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[147.5, -2.75], [147.75, -2.85], [148.0, -2.75], [148.25, -2.85], [148.5, -2.75], [149.03, -2.97], [149.18, -3.32], [149.53, -3.47], [149.75, -4.0], [149.63, -4.3], [149.75, -4.35], [150.0, -4.25], [150.25, -4.35], [150.5, -4.25], [150.75, -4.35], [151.0, -4.25], [151.53, -4.47], [151.75, -5.0], [151.65, -5.25], [151.75, -5.5], [151.53, -6.03], [151.0, -6.25], [150.75, -6.15], [150.5, -6.25], [150.25, -6.15], [150.0, -6.25], [149.75, -6.15], [149.5, -6.25], [148.97, -6.03], [148.82, -5.68], [148.47, -5.53], [148.32, -5.18], [147.97, -5.03], [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], [146.47, -3.47], [146.82, -3.32], [146.97, -2.97], [147.5, -2.75]]]]}, "2016-02-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[147.5, -2.75], [147.75, -2.85], [148.0, -2.75], [148.25, -2.85], [148.5, -2.75], [149.03, -2.97], [149.18, -3.32], [149.53, -3.47], [149.75, -4.0], [149.63, -4.3], [149.75, -4.35], [150.0, -4.25], [150.25, -4.35], [150.5, -4.25], [150.75, -4.35], [151.0, -4.25], [151.53, -4.47], [151.75, -5.0], [151.65, -5.25], [151.75, -5.5], [151.53, -6.03], [151.0, -6.25], [150.75, -6.15], [150.5, -6.25], [150.25, -6.15], [150.0, -6.25], [149.75, -6.15], [149.5, -6.25], [148.97, -6.03], [148.82, -5.68], [148.47, -5.53], [148.32, -5.18], [147.97, -5.03], [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], [146.47, -3.47], [146.82, -3.32], [146.97, -2.97], [147.5, -2.75]]]]}, "2016-02-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[147.5, -2.75], [147.75, -2.85], [148.0, -2.75], [148.25, -2.85], [148.5, -2.75], [149.03, -2.97], [149.18, -3.32], [149.53, -3.47], [149.75, -4.0], [149.53, -4.53], [149.0, -4.75], [148.75, -4.65], [148.5, -4.75], [148.25, -4.65], [148.0, -4.75], [147.75, -4.65], [147.5, -4.75], [147.25, -4.65], [147.0, -4.75], [146.47, -4.53], [146.25, -4.0], [146.47, -3.47], [146.82, -3.32], [146.97, -2.97], [147.5, -2.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.9987400945113905}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.0788526132343315}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.892305049404627, 28.029856127258597, 27.660657556633737, 28.189155520305462]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.4316891808636, 28.701796040136628, 28.263243656863608, 28.413201174921426]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.1526890125403697, 1.2643676510016633, 0.901290006517071, 0.9040572948463392]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.6196474463478694, 1.9987400945113905, 1.4906671103509552, 1.153143663266917]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [2.104213774785177, 2.371704815554475, 1.683186798249154, 1.7357170103938286]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.7267889987731495, 3.4043736123836847, 2.5585179818163346, 2.255980466927958]}}