{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:07:00.012372", "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-Dec-30_to_2017-Jan-07_153.5_-10.5"}, "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": 2016120002821}, "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 30 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 07 2017"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 9}, "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": 299107.44499469287}, "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", "N.Australia", "S.E.Asia", "S.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": ["Coral Sea", "Solomon 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": -10.5}, "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": 153.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "153.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 148.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 156.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -15.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -9.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-12-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[154.5, -9.75], [155.03, -9.97], [155.25, -10.5], [155.03, -11.03], [154.5, -11.25], [153.97, -11.03], [153.75, -10.5], [153.97, -9.97], [154.5, -9.75]]]]}, "2016-12-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[152.85, -9.75], [152.75, -9.5], [152.97, -8.97], [153.5, -8.75], [153.75, -8.85], [154.0, -8.75], [154.25, -8.85], [154.5, -8.75], [154.75, -8.85], [155.0, -8.75], [155.53, -8.97], [155.68, -9.32], [156.03, -9.47], [156.18, -9.82], [156.53, -9.97], [156.68, -10.32], [157.03, -10.47], [157.25, -11.0], [157.03, -11.53], [156.5, -11.75], [156.25, -11.65], [156.18, -11.68], [156.15, -11.75], [156.25, -12.0], [156.03, -12.53], [155.5, -12.75], [154.97, -12.53], [154.75, -12.0], [154.85, -11.75], [154.82, -11.68], [154.47, -11.53], [154.32, -11.18], [154.25, -11.15], [154.0, -11.25], [153.75, -11.15], [153.5, -11.25], [152.97, -11.03], [152.75, -10.5], [152.85, -10.25], [152.75, -10.0], [152.85, -9.75]]]]}, "2017-01-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[149.25, -12.0], [149.47, -11.47], [150.0, -11.25], [150.25, -11.35], [150.5, -11.25], [151.03, -11.47], [151.25, -12.0], [151.03, -12.53], [150.5, -12.75], [150.25, -12.65], [150.0, -12.75], [149.47, -12.53], [149.25, -12.0]]], [[[153.32, -11.32], [153.38, -11.2], [152.97, -11.03], [152.75, -10.5], [152.85, -10.25], [152.75, -10.0], [152.85, -9.75], [152.75, -9.5], [152.97, -8.97], [153.5, -8.75], [153.75, -8.85], [154.0, -8.75], [154.25, -8.85], [154.5, -8.75], [154.75, -8.85], [155.0, -8.75], [155.53, -8.97], [155.68, -9.32], [156.03, -9.47], [156.18, -9.82], [156.53, -9.97], [156.68, -10.32], [157.03, -10.47], [157.25, -11.0], [157.03, -11.53], [156.5, -11.75], [156.25, -11.65], [156.18, -11.68], [156.15, -11.75], [156.25, -12.0], [156.03, -12.53], [155.68, -12.68], [155.53, -13.03], [155.0, -13.25], [154.75, -13.15], [154.5, -13.25], [154.25, -13.15], [154.0, -13.25], [153.75, -13.15], [153.5, -13.25], [152.97, -13.03], [152.75, -12.5], [152.85, -12.25], [152.75, -12.0], [152.97, -11.47], [153.32, -11.32]]]]}, "2017-01-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[148.47, -11.97], [148.82, -11.82], [148.97, -11.47], [149.5, -11.25], [149.75, -11.35], [150.0, -11.25], [150.25, -11.35], [150.32, -11.32], [150.47, -10.97], [151.0, -10.75], [151.25, -10.85], [151.32, -10.82], [151.47, -10.47], [152.0, -10.25], [152.53, -10.47], [152.68, -10.82], [152.75, -10.85], [152.88, -10.8], [152.75, -10.5], [152.85, -10.25], [152.75, -10.0], [152.85, -9.75], [152.75, -9.5], [152.97, -8.97], [153.5, -8.75], [153.75, -8.85], [154.0, -8.75], [154.25, -8.85], [154.5, -8.75], [154.75, -8.85], [155.0, -8.75], [155.53, -8.97], [155.68, -9.32], [156.03, -9.47], [156.18, -9.82], [156.53, -9.97], [156.68, -10.32], [157.03, -10.47], [157.25, -11.0], [157.03, -11.53], [156.5, -11.75], [156.25, -11.65], [156.18, -11.68], [156.15, -11.75], [156.25, -12.0], [156.03, -12.53], [155.68, -12.68], [155.53, -13.03], [155.0, -13.25], [154.75, -13.15], [154.5, -13.25], [154.25, -13.15], [154.18, -13.18], [154.15, -13.25], [154.25, -13.5], [154.03, -14.03], [153.5, -14.25], [153.25, -14.15], [153.0, -14.25], [152.75, -14.15], [152.5, -14.25], [152.25, -14.15], [152.0, -14.25], [151.75, -14.15], [151.5, -14.25], [150.97, -14.03], [150.82, -13.68], [150.75, -13.65], [150.5, -13.75], [150.25, -13.65], [150.0, -13.75], [149.75, -13.65], [149.5, -13.75], [149.25, -13.65], [149.0, -13.75], [148.47, -13.53], [148.25, -13.0], [148.35, -12.75], [148.25, -12.5], [148.47, -11.97]]]]}, "2017-01-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[148.47, -11.97], [148.82, -11.82], [148.97, -11.47], [149.5, -11.25], [149.75, -11.35], [150.0, -11.25], [150.25, -11.35], [150.32, -11.32], [150.47, -10.97], [151.0, -10.75], [151.25, -10.85], [151.32, -10.82], [151.47, -10.47], [152.0, -10.25], [152.53, -10.47], [152.68, -10.82], [152.75, -10.85], [153.0, -10.75], [153.5, -10.96], [153.82, -10.82], [153.97, -10.47], [154.32, -10.32], [154.47, -9.97], [154.82, -9.82], [154.97, -9.47], [155.5, -9.25], [156.03, -9.47], [156.18, -9.82], [156.53, -9.97], [156.75, -10.5], [156.53, -11.03], [156.18, -11.18], [156.03, -11.53], [155.68, -11.68], [155.65, -11.75], [155.75, -12.0], [155.65, -12.25], [155.75, -12.5], [155.53, -13.03], [155.18, -13.18], [155.03, -13.53], [154.68, -13.68], [154.53, -14.03], [154.0, -14.25], [153.75, -14.15], [153.5, -14.25], [153.25, -14.15], [153.0, -14.25], [152.75, -14.15], [152.5, -14.25], [152.25, -14.15], [152.0, -14.25], [151.75, -14.15], [151.5, -14.25], [151.25, -14.15], [151.0, -14.25], [150.47, -14.03], [150.32, -13.68], [150.25, -13.65], [150.0, -13.75], [149.75, -13.65], [149.5, -13.75], [149.25, -13.65], [149.0, -13.75], [148.47, -13.53], [148.25, -13.0], [148.35, -12.75], [148.25, -12.5], [148.47, -11.97]]]]}, "2017-01-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[148.47, -11.97], [148.82, -11.82], [148.97, -11.47], [149.5, -11.25], [149.75, -11.35], [150.0, -11.25], [150.25, -11.35], [150.32, -11.32], [150.47, -10.97], [151.0, -10.75], [151.25, -10.85], [151.32, -10.82], [151.35, -10.75], [151.25, -10.5], [151.35, -10.25], [151.25, -10.0], [151.47, -9.47], [152.0, -9.25], [152.25, -9.35], [152.5, -9.25], [153.03, -9.47], [153.18, -9.82], [153.25, -9.85], [153.32, -9.82], [153.47, -9.47], [154.0, -9.25], [154.53, -9.47], [154.7, -9.87], [154.82, -9.82], [154.97, -9.47], [155.5, -9.25], [156.03, -9.47], [156.25, -10.0], [156.03, -10.53], [155.68, -10.68], [155.65, -10.75], [155.75, -11.0], [155.65, -11.25], [155.75, -11.5], [155.65, -11.75], [155.75, -12.0], [155.53, -12.53], [155.18, -12.68], [155.15, -12.75], [155.25, -13.0], [155.15, -13.25], [155.18, -13.32], [155.53, -13.47], [155.75, -14.0], [155.53, -14.53], [155.0, -14.75], [154.75, -14.65], [154.68, -14.68], [154.65, -14.75], [154.75, -15.0], [154.53, -15.53], [154.0, -15.75], [153.47, -15.53], [153.32, -15.18], [153.25, -15.15], [153.0, -15.25], [152.47, -15.03], [152.3, -14.63], [152.0, -14.75], [151.75, -14.65], [151.5, -14.75], [150.97, -14.53], [150.82, -14.18], [150.47, -14.03], [150.32, -13.68], [150.25, -13.65], [150.0, -13.75], [149.75, -13.65], [149.5, -13.75], [149.25, -13.65], [149.0, -13.75], [148.47, -13.53], [148.25, -13.0], [148.35, -12.75], [148.25, -12.5], [148.47, -11.97]]]]}, "2017-01-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[149.85, -12.25], [149.75, -12.0], [149.97, -11.47], [150.32, -11.32], [150.47, -10.97], [151.0, -10.75], [151.25, -10.85], [151.32, -10.82], [151.35, -10.75], [151.25, -10.5], [151.35, -10.25], [151.25, -10.0], [151.47, -9.47], [152.0, -9.25], [152.25, -9.35], [152.5, -9.25], [153.03, -9.47], [153.18, -9.82], [153.25, -9.85], [153.32, -9.82], [153.47, -9.47], [154.0, -9.25], [154.53, -9.47], [154.75, -10.0], [154.65, -10.25], [154.75, -10.5], [154.65, -10.75], [154.75, -11.0], [154.65, -11.25], [154.75, -11.5], [154.65, -11.75], [154.75, -12.0], [154.65, -12.25], [154.68, -12.32], [155.03, -12.47], [155.25, -13.0], [155.15, -13.25], [155.18, -13.32], [155.53, -13.47], [155.75, -14.0], [155.53, -14.53], [155.18, -14.68], [155.15, -14.75], [155.25, -15.0], [155.15, -15.25], [155.25, -15.5], [155.03, -16.03], [154.5, -16.25], [153.97, -16.03], [153.82, -15.68], [153.47, -15.53], [153.32, -15.18], [153.25, -15.15], [153.0, -15.25], [152.47, -15.03], [152.3, -14.63], [152.0, -14.75], [151.75, -14.65], [151.5, -14.75], [150.97, -14.53], [150.82, -14.18], [150.47, -14.03], [150.32, -13.68], [149.97, -13.53], [149.75, -13.0], [149.85, -12.75], [149.75, -12.5], [149.85, -12.25]]]]}, "2017-01-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[150.85, -13.25], [150.75, -13.0], [150.97, -12.47], [151.5, -12.25], [151.75, -12.35], [151.82, -12.32], [151.85, -12.25], [151.82, -12.18], [151.47, -12.03], [151.25, -11.5], [151.35, -11.25], [151.25, -11.0], [151.35, -10.75], [151.25, -10.5], [151.35, -10.25], [151.25, -10.0], [151.47, -9.47], [152.0, -9.25], [152.25, -9.35], [152.5, -9.25], [153.03, -9.47], [153.18, -9.82], [153.25, -9.85], [153.32, -9.82], [153.47, -9.47], [154.0, -9.25], [154.53, -9.47], [154.75, -10.0], [154.65, -10.25], [154.75, -10.5], [154.65, -10.75], [154.75, -11.0], [154.65, -11.25], [154.75, -11.5], [154.65, -11.75], [154.75, -12.0], [154.65, -12.25], [154.68, -12.32], [155.03, -12.47], [155.25, -13.0], [155.15, -13.25], [155.18, -13.32], [155.53, -13.47], [155.75, -14.0], [155.53, -14.53], [155.18, -14.68], [155.15, -14.75], [155.25, -15.0], [155.15, -15.25], [155.25, -15.5], [155.03, -16.03], [154.5, -16.25], [153.97, -16.03], [153.82, -15.68], [153.47, -15.53], [153.32, -15.18], [153.25, -15.15], [153.0, -15.25], [152.47, -15.03], [152.3, -14.63], [152.0, -14.75], [151.75, -14.65], [151.5, -14.75], [150.97, -14.53], [150.75, -14.0], [150.85, -13.75], [150.75, -13.5], [150.85, -13.25]]]]}, "2017-01-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[150.97, -12.47], [151.5, -12.25], [151.75, -12.35], [152.0, -12.25], [152.25, -12.35], [152.5, -12.25], [152.8, -12.37], [152.85, -12.25], [152.75, -12.0], [152.85, -11.75], [152.75, -11.5], [152.85, -11.25], [152.75, -11.0], [152.85, -10.75], [152.75, -10.5], [152.97, -9.97], [153.5, -9.75], [154.03, -9.97], [154.25, -10.5], [154.15, -10.75], [154.25, -11.0], [154.15, -11.25], [154.25, -11.5], [154.15, -11.75], [154.18, -11.82], [154.53, -11.97], [154.75, -12.5], [154.65, -12.75], [154.75, -13.0], [154.65, -13.25], [154.68, -13.32], [155.03, -13.47], [155.25, -14.0], [155.15, -14.25], [155.25, -14.5], [155.15, -14.75], [155.25, -15.0], [155.15, -15.25], [155.25, -15.5], [155.03, -16.03], [154.5, -16.25], [153.97, -16.03], [153.82, -15.68], [153.47, -15.53], [153.32, -15.18], [152.97, -15.03], [152.75, -14.5], [152.85, -14.25], [152.8, -14.13], [152.68, -14.18], [152.53, -14.53], [152.0, -14.75], [151.47, -14.53], [151.32, -14.18], [150.97, -14.03], [150.75, -13.5], [150.85, -13.25], [150.75, -13.0], [150.97, -12.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.6716712545068617}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.0743222088954378}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.356619541429666, 28.49566552573225, 28.628563228841244, 28.626500800876215, 28.378957490381367, 28.464743702106034, 28.484033866276434, 28.620117163384577, 28.49412086376367]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.356619541429666, 28.62378568936998, 29.056562123090487, 28.984645348031165, 28.68492626076511, 28.84654143109043, 28.848714740226853, 29.037660919389054, 28.822700888442625]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.795656675762757, 0.9631736910250684, 1.1305802958880657, 1.1538984775927268, 0.9171604262688592, 1.0345680345050006, 1.0734873317264346, 1.2016359363488194, 1.103406074482249]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.795656675762757, 1.071374549584334, 1.5516608013428481, 1.4694012531361977, 1.2554302816035374, 1.3269832917590634, 1.4547536271594481, 1.6716712545068617, 1.5553922113036265]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4707894618730142, 1.7646378654821098, 2.076056077370297, 2.0238104438294426, 1.5557477025320854, 1.7750705105619347, 1.8407774281937535, 2.0841264569903597, 1.8980042641653891]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4707894618730142, 1.9959586235150777, 2.835033151465135, 2.942814576153401, 2.0879708706616693, 2.497319388725156, 2.445632452042647, 2.835546499081406, 2.5072740420783504]}}