{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:08:59.238470", "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": "2017-Sep-21_to_2017-Sep-26_151.5_-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": 2017090002349}, "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": "September 21 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 26 2017"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 70894.68885343314}, "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", "South Pacific Ocean"]}, "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": 151.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "151.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 148.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 152.75}, "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": -2.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-09-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[147.97, -5.53], [147.75, -5.0], [147.97, -4.47], [148.5, 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-4.0], [153.03, -4.53], [152.68, -4.68], [152.53, -5.03], [152.18, -5.18], [152.03, -5.53], [151.5, -5.75], [151.25, -5.65], [151.0, -5.75], [150.75, -5.65], [150.5, -5.75], [150.25, -5.65], [150.18, -5.68], [150.03, -6.03], [149.5, -6.25], [148.97, -6.03], [148.82, -5.68], [148.75, -5.65], [148.5, -5.75], [147.97, -5.53]]]]}, "2017-09-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[147.97, -5.53], [147.75, -5.0], [147.97, -4.47], [148.5, -4.25], [148.75, -4.35], [149.0, -4.25], [149.25, -4.35], [149.5, -4.25], [149.75, -4.35], [150.0, -4.25], [150.25, -4.35], [150.32, -4.32], [150.47, -3.97], [150.82, -3.82], [150.97, -3.47], [151.5, -3.25], [152.0, -3.46], [152.5, -3.25], [153.03, -3.47], [153.25, -4.0], [153.03, -4.53], [152.68, -4.68], [152.53, -5.03], [152.18, -5.18], [152.03, -5.53], [151.5, -5.75], [151.25, -5.65], [151.0, -5.75], [150.75, -5.65], [150.5, -5.75], [150.25, -5.65], [150.18, -5.68], [150.03, -6.03], [149.5, -6.25], [148.97, -6.03], [148.82, -5.68], [148.75, -5.65], [148.5, -5.75], [147.97, -5.53]]]]}, "2017-09-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[149.97, -2.97], [150.32, -2.82], [150.47, -2.47], [151.0, -2.25], [151.25, -2.35], [151.5, -2.25], [152.03, -2.47], [152.18, -2.82], [152.25, -2.85], [152.5, -2.75], [153.03, -2.97], [153.25, -3.5], [153.15, -3.75], [153.25, -4.0], [153.03, -4.53], [152.5, -4.75], [152.25, -4.65], [152.0, -4.75], [151.75, -4.65], [151.5, -4.75], [151.25, -4.65], [151.0, -4.75], [150.75, -4.65], [150.5, -4.75], [149.97, -4.53], [149.75, -4.0], [149.85, -3.75], [149.75, -3.5], [149.97, -2.97]]]]}, "2017-09-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[149.97, -2.97], [150.32, -2.82], [150.47, -2.47], [151.0, -2.25], [151.25, -2.35], [151.5, -2.25], [152.03, -2.47], [152.18, -2.82], [152.25, -2.85], [152.5, -2.75], [153.03, -2.97], [153.25, -3.5], [153.15, -3.75], [153.25, -4.0], [153.03, -4.53], [152.5, -4.75], [152.25, -4.65], [152.0, -4.75], 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"value": 1.0764873174383092}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.255524449750965, 27.800882676417245, 27.463709370359084, 28.153611151793086, 28.126294315400116, 28.03403023816162]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.13986196881899, 28.982078424951794, 28.395939661295813, 28.643626654334184, 28.692276575116637, 28.501952921508348]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.8084703896449329, 1.330171864633275, 0.9690431301806982, 1.1950107074354814, 1.1462201609575828, 1.0201556990992202]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.0754907229562605, 1.76990244051035, 1.2859705925059757, 1.4801655919636119, 1.411178230135647, 1.436125623395867]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6053773967045613, 2.616001483126726, 1.8513286420113957, 2.1401858637683304, 2.043766602483195, 1.7982832919839753]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.011313062092753, 3.05249561436606, 2.6100497538121266, 2.792790661223674, 2.4654597883120286, 2.4280078259815165]}}