{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:22:48.263094", "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": "2020-Dec-26_to_2021-Jan-09_140.5_-4.5"}, "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": 2020120002716}, "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": "December 26 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 09 2021"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 15}, "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": 178817.24257099914}, "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": ["Indonesia", "Papua New Guinea"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.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": -4.5}, "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": 140.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "140.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 137.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 145.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -6.25}, "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": {"2020-12-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[137.47, -2.97], [138.0, -2.75], [138.25, -2.85], [138.5, -2.75], [138.75, -2.85], [138.82, -2.82], [138.85, -2.75], [138.75, -2.5], [138.97, -1.97], [139.5, -1.75], [139.75, -1.85], [140.0, -1.75], [140.53, -1.97], [140.68, -2.32], [140.75, -2.35], [141.0, -2.25], [141.25, -2.35], [141.5, -2.25], [142.03, -2.47], [142.18, -2.82], [142.25, -2.85], [142.5, -2.75], [142.75, -2.85], [143.0, -2.75], [143.25, -2.85], [143.5, -2.75], [144.03, -2.97], [144.18, -3.32], [144.25, -3.35], [144.5, -3.25], [145.03, -3.47], [145.18, -3.82], [145.53, -3.97], [145.75, -4.5], [145.53, -5.03], [145.0, -5.25], [144.75, -5.15], [144.5, -5.25], [144.25, -5.15], [144.18, -5.18], [144.03, -5.53], [143.63, -5.7], [143.75, -6.0], [143.53, -6.53], [143.0, -6.75], [142.47, -6.53], [142.32, -6.18], [141.97, -6.03], [141.82, -5.68], [141.75, -5.65], [141.5, -5.75], [141.0, -5.54], [140.5, -5.75], [139.97, -5.53], [139.75, -5.0], [139.85, -4.75], [139.82, -4.68], [139.47, -4.53], [139.32, -4.18], [139.25, -4.15], [139.0, -4.25], [138.75, -4.15], [138.68, -4.18], [138.53, -4.53], [138.0, -4.75], [137.47, -4.53], [137.25, -4.0], [137.35, -3.75], [137.25, -3.5], [137.47, -2.97]]]]}, "2020-12-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[137.47, -2.97], [138.0, -2.75], [138.25, -2.85], [138.5, -2.75], [138.75, -2.85], [138.82, -2.82], [138.85, -2.75], [138.75, -2.5], [138.97, -1.97], [139.5, -1.75], [139.75, -1.85], [140.0, -1.75], [140.53, -1.97], [140.68, -2.32], [140.75, -2.35], [141.0, -2.25], [141.25, -2.35], [141.5, -2.25], [142.03, -2.47], [142.18, -2.82], [142.25, -2.85], [142.5, -2.75], [142.75, -2.85], [143.0, -2.75], [143.25, -2.85], [143.5, -2.75], [144.03, -2.97], [144.18, -3.32], [144.25, -3.35], [144.5, -3.25], [145.03, -3.47], [145.18, -3.82], [145.53, -3.97], [145.75, -4.5], [145.53, -5.03], [145.18, -5.18], [145.03, -5.53], [144.5, -5.75], [144.25, -5.65], [144.0, -5.75], [143.75, -5.65], [143.63, -5.7], [143.75, -6.0], [143.53, -6.53], [143.0, -6.75], [142.47, -6.53], [142.32, -6.18], [141.97, -6.03], [141.82, -5.68], [141.75, -5.65], [141.5, -5.75], [141.0, -5.54], [140.5, -5.75], [139.97, -5.53], [139.75, -5.0], [139.85, -4.75], [139.82, -4.68], [139.47, -4.53], [139.32, -4.18], [139.25, -4.15], [139.18, -4.18], [139.03, -4.53], [138.5, -4.75], [138.25, -4.65], [138.0, -4.75], [137.47, -4.53], [137.25, -4.0], [137.35, -3.75], [137.25, -3.5], [137.47, -2.97]]]]}, "2020-12-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[137.47, -2.97], [138.0, -2.75], [138.25, -2.85], [138.5, -2.75], [138.75, -2.85], [138.82, -2.82], [138.85, -2.75], [138.75, -2.5], [138.97, -1.97], [139.5, -1.75], [139.75, -1.85], [140.0, -1.75], [140.53, -1.97], [140.68, -2.32], [140.75, -2.35], [141.0, -2.25], [141.25, -2.35], [141.5, -2.25], [142.03, -2.47], [142.18, -2.82], [142.25, -2.85], [142.5, -2.75], [142.75, -2.85], [143.0, -2.75], [143.25, -2.85], [143.5, -2.75], [144.03, -2.97], [144.18, -3.32], [144.25, -3.35], [144.5, -3.25], [145.03, -3.47], [145.18, -3.82], [145.53, -3.97], [145.75, -4.5], [145.53, -5.03], [145.18, -5.18], [145.03, -5.53], [144.5, -5.75], [144.25, -5.65], [144.0, -5.75], [143.75, -5.65], [143.63, -5.7], [143.75, -6.0], [143.53, -6.53], [143.0, -6.75], [142.47, -6.53], [142.32, -6.18], [141.97, -6.03], [141.82, -5.68], [141.75, -5.65], [141.5, -5.75], [141.0, -5.54], [140.5, -5.75], [139.97, -5.53], [139.75, -5.0], [139.85, -4.75], [139.82, -4.68], [139.47, -4.53], [139.32, -4.18], [139.25, -4.15], [139.18, -4.18], [139.03, -4.53], [138.5, -4.75], [138.25, -4.65], [138.0, -4.75], [137.47, -4.53], [137.25, -4.0], [137.35, -3.75], [137.25, -3.5], [137.47, -2.97]]]]}, "2020-12-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[137.25, -3.5], [137.47, -2.97], [138.0, -2.75], [138.25, -2.85], [138.5, -2.75], [138.75, -2.85], [138.82, -2.82], [138.85, -2.75], [138.75, -2.5], [138.97, -1.97], [139.5, -1.75], [139.75, -1.85], [140.0, -1.75], [140.53, -1.97], [140.68, -2.32], [140.75, -2.35], [141.0, -2.25], [141.25, -2.35], [141.5, -2.25], [142.03, -2.47], [142.18, -2.82], [142.25, -2.85], [142.5, -2.75], [142.75, -2.85], [143.0, -2.75], [143.25, -2.85], [143.5, -2.75], [144.03, -2.97], [144.18, -3.32], [144.53, -3.47], [144.68, -3.82], [145.03, -3.97], [145.25, -4.5], [145.15, -4.75], [145.25, -5.0], [145.03, -5.53], [144.5, -5.75], [144.25, -5.65], [144.0, -5.75], [143.75, -5.65], [143.5, -5.75], [142.97, -5.53], [142.82, -5.18], [142.75, -5.15], [142.68, -5.18], [142.53, -5.53], [142.0, -5.75], [141.75, -5.65], [141.5, -5.75], [140.97, -5.53], [140.82, -5.18], [140.75, -5.15], [140.5, -5.25], [139.97, -5.03], [139.82, -4.68], [139.47, -4.53], [139.32, -4.18], [139.25, -4.15], [139.18, -4.18], [139.03, -4.53], [138.5, -4.75], [137.97, -4.53], [137.82, -4.18], [137.47, -4.03], [137.25, -3.5]]]]}, "2020-12-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[139.47, -3.03], [139.25, -2.5], [139.47, -1.97], [140.0, -1.75], [140.25, -1.85], [140.5, -1.75], [141.03, -1.97], [141.25, -2.5], [141.03, -3.03], [140.5, -3.25], [140.25, -3.15], [140.0, -3.25], [139.47, -3.03]]]]}, "2020-12-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[140.5, -1.75], [141.03, -1.97], [141.25, -2.5], [141.03, -3.03], [140.5, -3.25], [139.97, -3.03], [139.75, -2.5], [139.97, -1.97], [140.5, -1.75]]]]}, "2021-01-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[137.97, -4.03], [137.75, -3.5], [137.97, -2.97], [138.5, -2.75], [138.75, -2.85], [139.0, -2.75], [139.43, -2.93], [139.25, -2.5], [139.47, -1.97], [140.0, -1.75], [140.25, -1.85], [140.5, -1.75], [141.03, -1.97], [141.18, -2.32], [141.25, -2.35], [141.5, -2.25], [142.03, -2.47], [142.25, -3.0], [142.03, -3.53], [141.63, -3.7], [141.75, -4.0], [141.53, -4.53], [141.18, -4.68], [141.03, -5.03], [140.5, -5.25], [139.97, -5.03], [139.82, -4.68], [139.75, -4.65], [139.5, -4.75], [138.97, -4.53], [138.82, -4.18], [138.75, -4.15], [138.5, -4.25], [137.97, -4.03]], [[139.82, -3.32], [139.88, -3.2], [139.57, -3.07], [139.68, -3.32], [139.75, -3.35], [139.82, -3.32]]]]}, "2021-01-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[137.97, -2.97], [138.5, -2.75], [138.75, -2.85], [139.0, -2.75], [139.43, -2.93], [139.25, -2.5], [139.47, -1.97], [140.0, -1.75], [140.53, -1.97], [140.7, -2.37], [141.0, -2.25], [141.25, -2.35], [141.5, -2.25], [142.03, -2.47], [142.25, -3.0], [142.03, -3.53], [141.63, -3.7], [141.75, -4.0], [141.53, -4.53], [141.18, -4.68], [141.03, -5.03], [140.5, -5.25], [139.97, -5.03], [139.82, -4.68], [139.75, -4.65], [139.5, -4.75], [139.0, -4.54], [138.5, -4.75], [137.97, -4.53], [137.75, -4.0], [137.85, -3.75], [137.75, -3.5], [137.97, -2.97]], [[139.82, -3.32], [139.88, -3.2], [139.57, -3.07], [139.68, -3.32], [139.75, -3.35], [139.82, -3.32]]]]}, "2021-01-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[137.97, -2.97], [138.5, -2.75], [138.75, -2.85], [139.0, -2.75], [139.43, -2.93], [139.25, -2.5], [139.47, -1.97], [140.0, -1.75], [140.53, -1.97], [140.7, -2.37], [141.0, -2.25], [141.25, -2.35], [141.5, -2.25], [142.03, -2.47], [142.25, -3.0], [142.03, -3.53], [141.63, -3.7], [141.75, -4.0], [141.53, -4.53], [141.18, -4.68], [141.03, -5.03], [140.5, -5.25], [139.97, -5.03], [139.82, -4.68], [139.75, -4.65], [139.5, -4.75], [139.0, -4.54], [138.5, -4.75], [137.97, -4.53], [137.75, -4.0], [137.85, -3.75], [137.75, -3.5], [137.97, -2.97]], [[139.82, -3.32], [139.88, -3.2], [139.57, -3.07], [139.68, -3.32], [139.75, -3.35], [139.82, -3.32]]]]}, "2021-01-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[138.5, -3.25], [139.03, -3.47], [139.25, -4.0], [139.15, -4.25], [139.25, -4.5], [139.03, -5.03], [138.5, -5.25], [138.25, -5.15], [138.0, -5.25], [137.47, -5.03], [137.25, -4.5], [137.47, -3.97], [137.82, -3.82], [137.97, -3.47], [138.5, -3.25]]]]}, "2021-01-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[138.5, -3.25], [139.03, -3.47], [139.25, -4.0], [139.15, -4.25], [139.25, -4.5], [139.03, -5.03], [138.5, -5.25], [138.25, -5.15], [138.0, -5.25], [137.47, -5.03], [137.25, -4.5], [137.47, -3.97], [137.82, -3.82], [137.97, -3.47], [138.5, -3.25]]]]}, "2021-01-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[137.47, -5.03], [137.25, -4.5], [137.47, -3.97], [138.0, -3.75], [138.25, -3.85], [138.5, -3.75], [138.75, -3.85], [139.0, -3.75], [139.25, -3.85], [139.5, -3.75], [139.75, -3.85], [140.0, -3.75], [140.25, -3.85], [140.5, -3.75], [141.03, -3.97], [141.25, -4.5], [141.03, -5.03], [140.5, -5.25], [140.25, -5.15], [140.0, -5.25], [139.75, -5.15], [139.5, -5.25], [139.25, -5.15], [139.0, -5.25], [138.75, -5.15], [138.5, -5.25], [138.25, -5.15], [138.0, -5.25], [137.47, -5.03]]]]}, "2021-01-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[137.97, -5.03], [137.75, -4.5], [137.97, -3.97], [138.5, -3.75], [138.75, -3.85], [139.0, -3.75], [139.25, -3.85], [139.5, -3.75], [139.75, -3.85], [140.0, -3.75], [140.25, -3.85], [140.5, -3.75], [141.03, -3.97], [141.25, -4.5], [141.03, -5.03], [140.5, -5.25], [140.25, -5.15], [140.0, -5.25], [139.75, -5.15], [139.5, -5.25], [139.25, -5.15], [139.0, -5.25], [138.75, -5.15], [138.5, -5.25], [137.97, -5.03]]]]}, "2021-01-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[138.47, -5.03], [138.25, -4.5], [138.47, -3.97], [139.0, -3.75], [139.25, -3.85], [139.5, -3.75], [139.75, -3.85], [140.0, -3.75], [140.25, -3.85], [140.5, -3.75], [141.03, -3.97], [141.25, -4.5], [141.03, -5.03], [140.5, -5.25], [140.25, -5.15], [140.0, -5.25], [139.75, -5.15], [139.5, -5.25], [139.25, -5.15], [139.0, -5.25], [138.47, -5.03]]]]}, "2021-01-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[139.0, -3.75], [139.53, -3.97], [139.75, -4.5], [139.53, -5.03], [139.0, -5.25], [138.47, -5.03], [138.25, -4.5], [138.47, -3.97], [139.0, -3.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.4046756302861922}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.429891838233218}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.39664752969111, 25.50833085319431, 25.409007142134385, 25.929621933630756, 27.444981566389345, 27.28046171872245, 25.084396219004304, 23.551119150323814, 23.54455379240227, 20.723559062144147, 20.777992909900206, 20.75390845660337, 20.02337271490353, 19.065277328290563, 20.163156632884807]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.278036510863444, 29.194596458803574, 29.160821521396144, 29.014219676940513, 27.73821849834934, 27.28046171872245, 28.562515057567623, 27.988274681345047, 28.02545125527621, 25.73358431792485, 25.81895274695205, 25.67499679122949, 22.784655859092993, 19.935897613353575, 20.163156632884807]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.3456946802451715, 1.6228485530240155, 1.53265115446763, 1.3786127153183623, 0.9474694643728299, 0.8680777859713089, 1.5063871136278626, 1.227841602082332, 1.2157630034329154, 1.2113766613520245, 1.26947112943166, 1.190796094063008, 1.403420384039316, 1.237858592476428, 1.1614987359073439]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.0690690036290675, 2.4046756302861922, 2.355602418544777, 1.8023350251375518, 1.1620708151530152, 0.8680777859713089, 2.1794311496280443, 1.4307716679383589, 1.49194800991512, 1.4838777218184305, 1.5636804830967321, 1.4281268702617353, 1.787882867120402, 1.43631944869162, 1.1614987359073439]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.801766877215711, 2.195981099659471, 2.1057097590651095, 1.8045793605039508, 1.4069850110880595, 1.5804299137446787, 1.925416923760539, 1.539691943837923, 1.5315697105132662, 1.5757365876813012, 1.6594465887016463, 1.70205400430205, 2.051598248079135, 1.8044128908903183, 1.6775140287298032]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.5782006559147925, 2.734758479596459, 3.2517281086846834, 2.5300739516345856, 1.4896222896465618, 1.5804299137446787, 2.4601791243630706, 1.82015187873851, 2.0897874321030283, 1.8443062265743118, 1.9639538810722739, 1.8894084066929075, 2.5065942189288863, 2.0201148184853412, 1.6775140287298032]}}