{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:09:06.241201", "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-30_to_2017-Oct-04_129.5_-7.5"}, "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": 2017090002919}, "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 30 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 04 2017"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 55165.40293189014}, "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"]}, "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": ["Arafura Sea", "Banda 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": -7.5}, "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": 129.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "129.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 128.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 132.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -8.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -6.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-09-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[130.5, -5.75], [131.03, -5.97], [131.25, -6.5], [131.03, -7.03], [130.5, -7.25], [129.97, -7.03], [129.75, -6.5], [129.97, -5.97], [130.5, -5.75]]]]}, "2017-10-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[128.47, -8.03], [128.25, -7.5], [128.47, -6.97], [129.0, -6.75], [129.25, -6.85], [129.5, -6.75], [129.93, -6.93], [129.75, -6.5], [129.97, -5.97], [130.5, -5.75], [131.03, -5.97], [131.25, -6.5], [131.03, -7.03], [130.5, -7.25], [130.07, -7.07], [130.25, -7.5], [130.03, -8.03], [129.5, -8.25], [129.25, -8.15], [129.0, -8.25], [128.47, -8.03]]]]}, "2017-10-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[128.25, -7.5], [128.47, -6.97], [129.0, -6.75], [129.25, -6.85], [129.5, -6.75], [129.75, -6.85], [129.82, -6.82], [129.85, -6.75], [129.75, -6.5], [129.97, -5.97], [130.5, -5.75], [131.03, -5.97], [131.18, -6.32], [131.25, -6.35], [131.5, -6.25], [131.75, -6.35], [132.0, -6.25], [132.53, -6.47], [132.68, -6.82], [133.03, -6.97], [133.25, -7.5], [133.15, -7.75], [133.25, -8.0], [133.03, -8.53], [132.5, -8.75], [132.25, -8.65], [132.0, -8.75], [131.47, -8.53], [131.32, -8.18], [131.25, -8.15], [131.18, -8.18], [131.03, -8.53], [130.5, -8.75], [130.25, -8.65], [130.0, -8.75], [129.75, -8.65], [129.5, -8.75], [128.97, -8.53], [128.82, -8.18], [128.47, -8.03], [128.25, -7.5]]]]}, "2017-10-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[128.25, -7.5], [128.47, -6.97], [129.0, -6.75], [129.25, -6.85], [129.5, -6.75], [129.75, -6.85], [129.82, -6.82], [129.97, -6.47], [130.5, -6.25], [130.75, -6.35], [131.0, -6.25], [131.25, -6.35], [131.5, -6.25], [131.75, -6.35], [132.0, -6.25], [132.53, -6.47], [132.68, -6.82], [133.03, -6.97], [133.25, -7.5], [133.15, -7.75], [133.25, -8.0], [133.03, -8.53], [132.5, -8.75], [132.25, -8.65], [132.0, -8.75], [131.47, -8.53], [131.32, -8.18], [131.25, -8.15], [131.18, -8.18], [131.03, -8.53], [130.5, -8.75], [130.25, -8.65], [130.0, -8.75], [129.75, -8.65], [129.5, -8.75], [128.97, -8.53], [128.82, -8.18], [128.47, -8.03], [128.25, -7.5]]]]}, "2017-10-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[128.25, -7.5], [128.47, -6.97], [129.0, -6.75], [129.25, -6.85], [129.5, -6.75], [129.75, -6.85], [129.82, -6.82], [129.97, -6.47], [130.5, -6.25], [130.75, -6.35], [131.0, -6.25], [131.25, -6.35], [131.5, -6.25], [131.75, -6.35], [132.0, -6.25], [132.53, -6.47], [132.68, -6.82], [133.03, -6.97], [133.25, -7.5], [133.15, -7.75], [133.25, -8.0], [133.03, -8.53], [132.5, -8.75], [132.25, -8.65], [132.0, -8.75], [131.47, -8.53], [131.32, -8.18], [131.25, -8.15], [131.18, -8.18], [131.03, -8.53], [130.5, -8.75], [130.25, -8.65], [130.0, -8.75], [129.75, -8.65], [129.5, -8.75], [128.97, -8.53], [128.82, -8.18], [128.47, -8.03], [128.25, -7.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.1471595414386684}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.8968844861966535}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.260048724818034, 27.401243246322508, 27.37065465774907, 27.56266880493945, 27.473094931980484]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.260048724818034, 27.487992043845168, 27.661678069620905, 27.90531900406944, 27.919875277995345]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.7917367872132672, 0.7922813151789683, 0.8409663698223382, 0.998910138186465, 0.8787107934288488]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.7917367872132672, 0.8091363214502394, 0.9700509729835289, 1.1471595414386684, 1.136852337332698]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4361403860571669, 1.4434966757976795, 1.4518235643523105, 1.710208942748782, 1.488023236768137]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4361403860571669, 1.4724238035727177, 1.7116219816223475, 2.0545324302749473, 2.028549576342575]}}