{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:55:41.313115", "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-Feb-09_to_2014-Feb-11_124.0_-19.5"}, "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": 2014020000382}, "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": "February 09 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 11 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": 61067.74687734399}, "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", "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": []}, "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": -19.5}, "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": 124.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "124.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 122.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 125.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -21.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -18.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-02-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[122.35, -19.25], [122.25, -19.0], [122.47, -18.47], [123.0, -18.25], [123.25, -18.35], [123.5, -18.25], [123.75, -18.35], [124.0, -18.25], [124.25, -18.35], [124.5, -18.25], [124.75, -18.35], [125.0, -18.25], [125.53, -18.47], [125.75, -19.0], [125.65, -19.25], [125.68, -19.32], [126.03, -19.47], [126.25, -20.0], [126.15, -20.25], [126.25, -20.5], [126.15, -20.75], [126.25, -21.0], [126.03, -21.53], [125.5, -21.75], [125.25, -21.65], [125.0, -21.75], [124.47, -21.53], [124.32, -21.18], [123.97, -21.03], [123.82, -20.68], [123.75, -20.65], [123.5, -20.75], [123.25, -20.65], [123.0, -20.75], [122.47, -20.53], [122.25, -20.0], [122.35, -19.75], [122.25, -19.5], [122.35, -19.25]]]]}, "2014-02-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[122.35, -19.25], [122.25, -19.0], [122.47, -18.47], [123.0, -18.25], [123.25, -18.35], [123.5, -18.25], [123.75, -18.35], [124.0, -18.25], [124.25, -18.35], [124.5, -18.25], [124.75, -18.35], [125.0, -18.25], [125.53, -18.47], [125.75, -19.0], [125.65, -19.25], [125.68, -19.32], [126.03, -19.47], [126.25, -20.0], [126.15, -20.25], [126.25, -20.5], [126.15, -20.75], [126.25, -21.0], [126.03, -21.53], [125.5, -21.75], [125.25, -21.65], [125.0, -21.75], [124.47, -21.53], [124.32, -21.18], [123.97, -21.03], [123.82, -20.68], [123.75, -20.65], [123.5, -20.75], [123.25, -20.65], [123.0, -20.75], [122.47, -20.53], [122.25, -20.0], [122.35, -19.75], [122.25, -19.5], [122.35, -19.25]]]]}, "2014-02-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[122.35, -19.25], [122.25, -19.0], [122.47, -18.47], [123.0, -18.25], [123.25, -18.35], [123.5, -18.25], [123.75, -18.35], [124.0, -18.25], [124.25, -18.35], [124.5, -18.25], [124.75, -18.35], [125.0, -18.25], [125.53, -18.47], [125.75, -19.0], [125.65, -19.25], [125.68, -19.32], [126.03, -19.47], [126.25, -20.0], [126.15, -20.25], [126.25, -20.5], [126.15, -20.75], [126.25, -21.0], [126.03, -21.53], [125.5, -21.75], [125.25, -21.65], [125.0, -21.75], [124.47, -21.53], [124.32, -21.18], [123.97, -21.03], [123.82, -20.68], [123.75, -20.65], [123.5, -20.75], [123.25, -20.65], [123.0, -20.75], [122.47, -20.53], [122.25, -20.0], [122.35, -19.75], [122.25, -19.5], [122.35, -19.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -6.864881503880667}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -5.056339873239416}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.13390753379707, 25.348781530663928, 26.554610520525216]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [24.94368306179274, 24.082828965458077, 25.116548063349626]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-4.901894126373363, -5.741621612092786, -4.525503881252099]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-5.782284735661904, -6.864881503880667, -6.012358504039412]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.8208878690140178, -2.1235423373970113, -1.6473803614426403]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-2.150835285208107, -2.4666489671982763, -2.063540295000493]}}