{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:19:54.298662", "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": "2019-Jun-28_to_2019-Jul-02_114.0_-26.0"}, "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": 2019060000885}, "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 28 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 02 2019"}, "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": "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": 66019.90936390834}, "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": ["C.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": ["Indian 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": -26.0}, "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": 114.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "114.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 113.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 116.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -28.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -25.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-06-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[112.85, -25.75], [112.75, -25.5], [112.97, -24.97], [113.5, -24.75], [114.03, -24.97], [114.18, -25.32], [114.25, -25.35], [114.5, -25.25], [115.03, -25.47], [115.18, -25.82], [115.53, -25.97], [115.68, -26.32], [115.75, -26.35], [116.0, -26.25], [116.53, -26.47], [116.68, -26.82], [117.03, -26.97], [117.25, -27.5], [117.03, -28.03], [116.68, -28.18], [116.53, -28.53], [116.18, -28.68], [116.03, -29.03], [115.5, -29.25], [115.25, -29.15], [115.0, -29.25], [114.47, -29.03], [114.32, -28.68], [113.97, -28.53], [113.75, -28.0], [113.85, -27.75], [113.82, -27.68], [113.47, -27.53], [113.32, -27.18], [112.97, -27.03], [112.75, -26.5], [112.85, -26.25], [112.75, -26.0], [112.85, -25.75]]]]}, "2019-06-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[112.85, -25.75], [112.75, -25.5], [112.97, -24.97], [113.5, -24.75], [114.03, -24.97], [114.18, -25.32], [114.25, -25.35], [114.5, -25.25], [115.03, -25.47], [115.18, -25.82], [115.53, -25.97], [115.68, -26.32], [115.75, -26.35], [116.0, -26.25], [116.53, -26.47], [116.68, -26.82], [117.03, -26.97], [117.25, -27.5], [117.03, -28.03], [116.68, -28.18], [116.53, -28.53], [116.18, -28.68], [116.03, -29.03], [115.5, -29.25], [115.25, -29.15], [115.0, -29.25], [114.47, -29.03], [114.32, -28.68], [113.97, -28.53], [113.75, -28.0], [113.85, -27.75], [113.82, -27.68], [113.47, -27.53], [113.32, -27.18], [112.97, -27.03], [112.75, -26.5], [112.85, -26.25], [112.75, -26.0], [112.85, -25.75]]]]}, "2019-06-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[112.85, -25.75], [112.75, -25.5], [112.97, -24.97], [113.5, -24.75], [114.03, -24.97], [114.18, -25.32], [114.25, -25.35], [114.5, -25.25], [115.03, -25.47], [115.18, -25.82], [115.53, -25.97], [115.68, -26.32], [115.75, -26.35], [116.0, -26.25], [116.53, -26.47], [116.68, -26.82], [117.03, -26.97], [117.25, -27.5], [117.03, -28.03], [116.68, -28.18], [116.53, -28.53], [116.18, -28.68], [116.03, -29.03], [115.5, -29.25], [115.25, -29.15], [115.0, -29.25], [114.47, -29.03], [114.32, -28.68], [113.97, -28.53], [113.75, -28.0], [113.85, -27.75], [113.82, -27.68], [113.47, -27.53], [113.32, -27.18], [112.97, -27.03], [112.75, -26.5], [112.85, -26.25], [112.75, -26.0], [112.85, -25.75]]]]}, "2019-07-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[114.0, -25.25], [114.53, -25.47], [114.75, -26.0], [114.53, -26.53], [114.0, -26.75], [113.47, -26.53], [113.25, -26.0], [113.47, -25.47], [114.0, -25.25]]]]}, "2019-07-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[114.0, -25.25], [114.53, -25.47], [114.75, -26.0], [114.53, -26.53], [114.0, -26.75], [113.47, -26.53], [113.25, -26.0], [113.47, -25.47], [114.0, -25.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -5.154058055401322}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -3.5887312557965787}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [11.830693097878566, 10.914116262990717, 12.294972767666252, 15.950032523833897, 15.871825846946933]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [9.506471265305834, 8.301591146250075, 9.84578756322179, 15.950032523833897, 15.871825846946933]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-3.5548986334566757, -4.392885851519995, -2.9289212153053086, -2.2477981461046284, -2.2773779760747175]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-4.081648493825924, -5.154058055401322, -3.6966128147981863, -2.2477981461046284, -2.2773779760747175]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.8801291473737975, -2.361917536602444, -1.5894692368162897, -1.8712413050885974, -1.8740517635215206]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-2.086217292395957, -3.0681604818459434, -2.3690651646943564, -1.8712413050885974, -1.8740517635215206]}}