{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:57:04.456179", "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-Aug-16_to_2014-Aug-19_130.5_1.0"}, "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": 2014080000747}, "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": "August 16 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 19 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": "Cold spell"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 98878.71630006404}, "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": ["Halmahera Sea", "Molukka Sea", "North 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": 1.0}, "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": 130.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "130.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 127.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 132.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -0.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 3.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-08-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[129.0, 2.25], [129.53, 2.03], [129.75, 1.5], [129.65, 1.25], [129.7, 1.13], [129.82, 1.18], [129.97, 1.53], [130.5, 1.75], [131.03, 1.53], [131.25, 1.0], [131.03, 0.47], [130.68, 0.32], [130.65, 0.25], [130.75, 0.0], [130.53, -0.53], [130.18, -0.68], [130.03, -1.03], [129.5, -1.25], [128.97, -1.03], [128.75, -0.5], [128.85, -0.25], [128.75, 0.0], [128.88, 0.3], [128.75, 0.35], [128.5, 0.25], [127.97, 0.47], [127.75, 1.0], [127.97, 1.53], [128.32, 1.68], [128.47, 2.03], [129.0, 2.25]]]]}, "2014-08-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[127.82, 1.18], [127.97, 1.53], [128.32, 1.68], [128.35, 1.75], [128.25, 2.0], [128.47, 2.53], [128.82, 2.68], [128.97, 3.03], [129.5, 3.25], [129.75, 3.15], [129.82, 3.18], [129.97, 3.53], [130.5, 3.75], [131.03, 3.53], [131.18, 3.18], [131.53, 3.03], [131.68, 2.68], [132.03, 2.53], [132.18, 2.18], [132.53, 2.03], [132.75, 1.5], [132.53, 0.97], [132.0, 0.75], [131.75, 0.85], [131.5, 0.75], [131.25, 0.85], [131.18, 0.82], [131.03, 0.47], [130.68, 0.32], [130.65, 0.25], [130.75, 0.0], [130.65, -0.25], [130.75, -0.5], [130.53, -1.03], [130.0, -1.25], [129.75, -1.15], [129.5, -1.25], [129.0, -1.04], [128.5, -1.25], [127.97, -1.03], [127.82, -0.68], [127.75, -0.65], [127.5, -0.75], [126.97, -0.53], [126.75, 0.0], [126.97, 0.53], [127.32, 0.68], [127.47, 1.03], [127.82, 1.18]]]]}, "2014-08-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[127.82, 1.18], [127.97, 1.53], [128.32, 1.68], [128.35, 1.75], [128.25, 2.0], [128.47, 2.53], [128.82, 2.68], [128.97, 3.03], [129.5, 3.25], [129.75, 3.15], [129.82, 3.18], [129.97, 3.53], [130.5, 3.75], [131.03, 3.53], [131.18, 3.18], [131.53, 3.03], [131.68, 2.68], [132.03, 2.53], [132.18, 2.18], [132.53, 2.03], [132.75, 1.5], [132.53, 0.97], [132.0, 0.75], [131.75, 0.85], [131.5, 0.75], [131.25, 0.85], [131.18, 0.82], [131.03, 0.47], [130.68, 0.32], [130.65, 0.25], [130.75, 0.0], [130.65, -0.25], [130.75, -0.5], [130.53, -1.03], [130.0, -1.25], [129.75, -1.15], [129.5, -1.25], [129.0, -1.04], [128.5, -1.25], [127.97, -1.03], [127.82, -0.68], [127.75, -0.65], [127.5, -0.75], [126.97, -0.53], [126.75, 0.0], [126.97, 0.53], [127.32, 0.68], [127.47, 1.03], [127.82, 1.18]]]]}, "2014-08-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[128.0, 1.25], [128.3, 1.13], [128.46, 1.5], [128.25, 2.0], [128.47, 2.53], [128.82, 2.68], [128.97, 3.03], [129.5, 3.25], [129.75, 3.15], [129.82, 3.18], [129.97, 3.53], [130.5, 3.75], [131.03, 3.53], [131.18, 3.18], [131.53, 3.03], [131.68, 2.68], [132.03, 2.53], [132.18, 2.18], [132.53, 2.03], [132.75, 1.5], [132.53, 0.97], [132.0, 0.75], [131.75, 0.85], [131.5, 0.75], [131.25, 0.85], [131.18, 0.82], [131.03, 0.47], [130.68, 0.32], [130.65, 0.25], [130.75, 0.0], [130.65, -0.25], [130.75, -0.5], [130.53, -1.03], [130.0, -1.25], [129.47, -1.03], [129.3, -0.63], [129.18, -0.68], [129.03, -1.03], [128.5, -1.25], [127.97, -1.03], [127.82, -0.68], [127.75, -0.65], [127.5, -0.75], [126.97, -0.53], [126.75, 0.0], [126.97, 0.53], [127.32, 0.68], [127.47, 1.03], [128.0, 1.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -1.457642402335523}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -1.0579610643626034}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.63738760279614, 25.64091317733738, 25.478816648148324, 25.94221068951441]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [24.020057747543433, 23.821427077641317, 23.754071625216795, 24.287961462821727]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-0.8252248447743398, -1.0757712026191033, -1.2498744857250141, -0.8847730589662096]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-0.9923994937760767, -1.3043154323595445, -1.457642402335523, -1.1097209438117375]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.3475872801188897, -1.7091758134584878, -2.0630609872335706, -1.434918738632357]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.6180063611357336, -2.0256765233910565, -2.8297892221628453, -1.6647358487364405]}}