{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:46:18.945787", "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": "2010-Dec-10_to_2010-Dec-13_135.0_-15.0"}, "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": 2010120000543}, "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 10 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 13 2010"}, "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": 121907.29658307545}, "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": ["Australia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Australia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Australia"]}, "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"]}, "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": -15.0}, "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": 135.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "135.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 133.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 138.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -17.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -13.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-12-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[132.97, -15.97], [133.5, -15.75], [133.75, -15.85], [134.0, -15.75], [134.25, -15.85], [134.32, -15.82], [134.46, -15.5], [134.25, -15.0], [134.47, -14.47], [134.82, -14.32], [134.97, -13.97], [135.5, -13.75], [135.75, -13.85], [136.0, -13.75], [136.53, -13.97], [136.75, -14.5], [136.65, -14.75], [136.68, -14.82], [137.03, -14.97], [137.18, -15.32], [137.25, -15.35], [137.5, -15.25], [138.03, -15.47], [138.18, -15.82], [138.53, -15.97], [138.75, -16.5], [138.53, -17.03], [138.0, -17.25], [137.5, -17.04], [137.0, -17.25], [136.75, -17.15], [136.5, -17.25], [136.25, -17.15], [136.18, -17.18], [136.03, -17.53], [135.68, -17.68], [135.53, -18.03], [135.0, -18.25], [134.75, -18.15], [134.5, -18.25], [134.25, -18.15], [134.0, -18.25], [133.75, -18.15], [133.5, -18.25], [132.97, -18.03], [132.75, -17.5], [132.96, -17.0], [132.75, -16.5], [132.97, -15.97]]]]}, "2010-12-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[132.97, -15.97], [133.5, -15.75], [133.75, -15.85], [133.82, -15.82], [133.85, -15.75], [133.75, -15.5], [133.85, -15.25], [133.82, -15.18], [133.47, -15.03], [133.25, -14.5], [133.35, -14.25], [133.25, -14.0], [133.47, -13.47], [134.0, -13.25], [134.25, -13.35], [134.5, -13.25], [134.75, -13.35], [135.0, -13.25], [135.5, -13.46], [136.0, -13.25], [136.53, -13.47], [136.75, -14.0], [136.65, -14.25], [136.75, -14.5], [136.65, -14.75], [136.68, -14.82], [137.03, -14.97], [137.18, -15.32], [137.25, -15.35], [137.5, -15.25], [138.03, -15.47], [138.18, -15.82], [138.53, -15.97], [138.75, -16.5], [138.53, -17.03], [138.0, -17.25], [137.5, -17.04], [137.0, -17.25], [136.75, -17.15], [136.5, -17.25], [136.25, -17.15], [136.18, -17.18], [136.03, -17.53], [135.68, -17.68], [135.53, -18.03], [135.0, -18.25], [134.75, -18.15], [134.5, -18.25], [134.25, -18.15], [134.0, -18.25], [133.75, -18.15], [133.5, -18.25], [132.97, -18.03], [132.75, -17.5], [132.96, -17.0], [132.75, -16.5], [132.97, -15.97]]]]}, "2010-12-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[132.97, -15.97], [133.5, -15.75], [133.75, -15.85], [133.82, -15.82], [133.85, -15.75], [133.75, -15.5], [133.85, -15.25], [133.82, -15.18], [133.47, -15.03], [133.25, -14.5], [133.35, -14.25], [133.25, -14.0], [133.47, -13.47], [134.0, -13.25], [134.25, -13.35], [134.5, -13.25], [134.75, -13.35], [135.0, -13.25], [135.5, -13.46], [136.0, -13.25], [136.53, -13.47], [136.75, -14.0], [136.65, -14.25], [136.75, -14.5], [136.65, -14.75], [136.68, -14.82], [137.03, -14.97], [137.18, -15.32], [137.25, -15.35], [137.5, -15.25], [138.03, -15.47], [138.18, -15.82], [138.53, -15.97], [138.75, -16.5], [138.53, -17.03], [138.0, -17.25], [137.5, -17.04], [137.0, -17.25], [136.75, -17.15], [136.5, -17.25], [136.25, -17.15], [136.18, -17.18], [136.03, -17.53], [135.68, -17.68], [135.53, -18.03], [135.0, -18.25], [134.75, -18.15], [134.5, -18.25], [134.25, -18.15], [134.0, -18.25], [133.75, -18.15], [133.5, -18.25], [132.97, -18.03], [132.75, -17.5], [132.96, -17.0], [132.75, -16.5], [132.97, -15.97]]]]}, 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evolution of mean t2m.", "value": [27.729008070761722, 27.672722562745435, 27.708397343655633, 27.799571607816915]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.942390807699837, 26.217037462594874, 27.026307659129714, 26.96610790021765]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-2.7517705212614563, -2.824024336443171, -2.7223018063642725, -2.762544483721182]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-4.542403386903743, -5.115514761995712, -3.616932120876129, -3.572243764851123]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.7200674076062243, -1.728550476237481, -1.6771160776654135, -1.5623638840276228]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-2.20445473688119, -2.446988808756195, -2.2590439919810406, -1.8041176258944096]}}