{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:02:01.636807", "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": "2014-Dec-27_to_2014-Dec-30_141.5_-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": 2014120002783}, "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 27 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 30 2014"}, "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": 61686.72628630755}, "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": 141.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "141.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 139.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 143.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -4.75}, "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": {"2014-12-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[142.53, -3.97], [142.75, -4.5], [142.53, -5.03], [142.0, -5.25], [141.75, -5.15], [141.5, -5.25], [140.97, -5.03], [140.75, -4.5], [140.97, -3.97], [141.5, -3.75], [141.75, -3.85], [142.0, -3.75], [142.53, -3.97]]], [[[139.25, -4.0], [139.47, -3.47], [140.0, -3.25], [140.53, -3.47], [140.75, -4.0], [140.53, -4.53], [140.0, -4.75], [139.47, -4.53], [139.25, -4.0]]], [[[141.5, -2.25], [142.03, -2.47], [142.25, -3.0], [142.03, -3.53], [141.5, -3.75], [140.97, -3.53], [140.75, -3.0], [140.97, -2.47], [141.5, -2.25]]]]}, "2014-12-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[138.97, -2.47], [139.5, -2.25], [140.0, -2.46], [140.5, -2.25], [140.75, -2.35], [141.0, -2.25], [141.25, -2.35], [141.5, -2.25], [142.03, -2.47], [142.2, -2.87], [142.5, -2.75], [142.75, -2.85], [143.0, -2.75], [143.25, -2.85], [143.5, -2.75], [144.03, -2.97], [144.25, -3.5], [144.15, -3.75], [144.25, -4.0], [144.03, -4.53], [143.68, -4.68], [143.53, -5.03], [143.0, -5.25], [142.75, -5.15], [142.5, -5.25], [142.25, -5.15], [142.0, -5.25], [141.75, -5.15], [141.5, -5.25], [140.97, -5.03], [140.82, -4.68], [140.75, -4.65], [140.5, -4.75], [140.25, -4.65], [140.0, -4.75], [139.47, -4.53], [139.32, -4.18], [138.97, -4.03], [138.75, -3.5], [138.85, -3.25], [138.75, -3.0], [138.97, -2.47]], [[141.82, -3.82], [141.85, -3.75], [141.8, -3.63], [141.63, -3.7], [141.68, -3.82], [141.75, -3.85], [141.82, -3.82]]]]}, "2014-12-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[138.97, -2.47], [139.5, -2.25], [140.0, -2.46], [140.5, -2.25], [140.75, -2.35], [141.0, -2.25], [141.25, -2.35], [141.5, -2.25], [142.03, -2.47], [142.2, -2.87], [142.5, -2.75], [142.75, -2.85], [143.0, -2.75], [143.25, -2.85], [143.5, -2.75], [144.03, -2.97], [144.25, -3.5], [144.15, -3.75], [144.25, -4.0], [144.03, -4.53], [143.68, -4.68], [143.53, -5.03], [143.0, -5.25], [142.75, -5.15], [142.5, -5.25], [142.25, -5.15], [142.0, -5.25], [141.75, -5.15], [141.5, -5.25], [140.97, -5.03], [140.82, -4.68], [140.75, -4.65], [140.5, -4.75], [140.25, -4.65], [140.0, -4.75], [139.47, -4.53], [139.32, -4.18], [138.97, -4.03], [138.75, -3.5], [138.85, -3.25], [138.75, -3.0], [138.97, -2.47]], [[141.82, -3.82], [141.85, -3.75], [141.8, -3.63], [141.63, -3.7], [141.68, -3.82], [141.75, -3.85], [141.82, -3.82]]]]}, "2014-12-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[138.97, -2.47], [139.5, -2.25], [140.0, -2.46], [140.5, -2.25], [140.75, -2.35], [141.0, -2.25], [141.25, -2.35], [141.5, -2.25], [142.03, -2.47], [142.2, -2.87], [142.5, -2.75], [142.75, -2.85], [143.0, -2.75], [143.25, -2.85], [143.5, -2.75], [144.03, -2.97], [144.25, -3.5], [144.15, -3.75], [144.25, -4.0], [144.03, -4.53], [143.68, -4.68], [143.53, -5.03], [143.0, -5.25], [142.75, -5.15], [142.5, -5.25], [142.25, -5.15], [142.0, -5.25], [141.75, -5.15], [141.5, -5.25], [140.97, -5.03], [140.82, -4.68], [140.75, -4.65], [140.5, -4.75], [140.25, -4.65], [140.0, -4.75], [139.47, -4.53], [139.32, -4.18], [138.97, -4.03], [138.75, -3.5], [138.85, -3.25], [138.75, -3.0], [138.97, -2.47]], [[141.82, -3.82], [141.85, -3.75], [141.8, -3.63], [141.63, -3.7], [141.68, -3.82], [141.75, -3.85], [141.82, -3.82]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.9120482370440186}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.4060400556175416}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.630920166659564, 27.475902329433097, 27.374990095233727, 27.46509969711684]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.691047633542496, 28.76355243173117, 29.150882358541423, 28.807078558288424]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.3033798350536472, 1.4678633437829376, 1.3389174316533912, 1.4318714355290751]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.4467714627074315, 1.8019846404918098, 1.66238669218842, 1.9120482370440186]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.60652207063098, 1.8212438537511073, 1.6725985734703452, 1.7560288132305257]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7575405312336023, 2.4504937445266597, 2.22897885207598, 2.2923715622272476]}}