{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:56:39.862613", "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-Jun-30_to_2014-Jul-02_153.0_-28.0"}, "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": 2014060001171}, "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": "June 30 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 02 2014"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 56739.26953996451}, "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": ["E.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": []}, "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": -28.0}, "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": 153.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "153.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 150.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 153.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -30.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -26.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-06-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[150.75, -28.0], [150.85, -27.75], [150.75, -27.5], [150.85, -27.25], [150.75, -27.0], [150.97, -26.47], [151.5, -26.25], [152.03, -26.47], [152.25, -27.0], [152.15, -27.25], [152.18, -27.32], [152.25, -27.35], [152.5, -27.25], [152.75, -27.35], [153.0, -27.25], [153.53, -27.47], [153.75, -28.0], [153.65, -28.25], [153.75, -28.5], [153.65, -28.75], [153.75, -29.0], [153.65, -29.25], [153.75, -29.5], [153.65, -29.75], [153.75, -30.0], [153.53, -30.53], [153.18, -30.68], [153.03, -31.03], [152.5, -31.25], [152.25, -31.15], [152.0, -31.25], [151.75, -31.15], [151.5, -31.25], [150.97, -31.03], [150.75, -30.5], [150.88, -30.2], [150.47, -30.03], [150.25, -29.5], [150.47, -28.97], [150.82, -28.82], [150.96, -28.5], [150.75, -28.0]]]]}, "2014-07-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[150.75, -28.0], [150.85, -27.75], [150.75, -27.5], [150.85, -27.25], [150.75, -27.0], [150.97, -26.47], [151.5, -26.25], [152.03, -26.47], [152.25, -27.0], [152.15, -27.25], [152.18, -27.32], [152.25, -27.35], [152.5, -27.25], [152.75, -27.35], [153.0, -27.25], [153.53, -27.47], [153.75, -28.0], [153.65, -28.25], [153.75, -28.5], [153.65, -28.75], [153.75, -29.0], [153.65, -29.25], [153.75, -29.5], [153.65, -29.75], [153.75, -30.0], [153.53, -30.53], [153.18, -30.68], [153.03, -31.03], [152.5, -31.25], [152.25, -31.15], [152.0, -31.25], [151.75, -31.15], [151.5, -31.25], [150.97, -31.03], [150.75, -30.5], [150.88, -30.2], [150.47, -30.03], [150.25, -29.5], [150.47, -28.97], [150.82, -28.82], [150.96, -28.5], [150.75, -28.0]]]]}, "2014-07-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[150.75, -28.0], [150.85, -27.75], [150.75, -27.5], [150.85, -27.25], [150.75, -27.0], [150.97, -26.47], [151.5, -26.25], [152.03, -26.47], [152.25, -27.0], [152.15, -27.25], [152.18, -27.32], [152.25, -27.35], [152.5, -27.25], [152.75, -27.35], [153.0, -27.25], [153.53, -27.47], [153.75, -28.0], [153.65, -28.25], [153.75, -28.5], [153.65, -28.75], [153.75, -29.0], [153.65, -29.25], [153.75, -29.5], [153.65, -29.75], [153.75, -30.0], [153.53, -30.53], [153.18, -30.68], [153.03, -31.03], [152.5, -31.25], [152.25, -31.15], [152.0, -31.25], [151.75, -31.15], [151.5, -31.25], [150.97, -31.03], [150.75, -30.5], [150.88, -30.2], [150.47, -30.03], [150.25, -29.5], [150.47, -28.97], [150.82, -28.82], [150.96, -28.5], [150.75, -28.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -5.31170759727604}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -3.8566755007759856}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [6.690158134329124, 5.849161499311549, 6.869513900143602]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [2.2329380389688254, 1.5318676855900435, 2.366082755406012]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-3.587284492811775, -4.484284576605787, -3.4984574329103943]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-4.607197449903708, -5.31170759727604, -4.363794609937258]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.6097296936368306, -1.9841850817241042, -1.5586743742685278]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.9257442252766641, -2.3924315927971915, -1.8434064854353398]}}