{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:51:32.671397", "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": "2024-Apr-08_to_2024-Apr-12_126.5_-16.0"}, "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": 2024040000193}, "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": "April 08 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 12 2024"}, "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": 77223.46229429438}, "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": []}, "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": -16.0}, "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": 126.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "126.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 122.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 127.75}, "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": -14.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-04-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[126.5, -15.25], [127.03, -15.47], [127.25, -16.0], [127.03, -16.53], [126.5, -16.75], [125.97, -16.53], [125.75, -16.0], [125.97, -15.47], [126.5, -15.25]]]]}, "2024-04-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[125.25, -15.0], [125.47, -14.47], [126.0, -14.25], [126.25, -14.35], [126.32, -14.32], [126.47, -13.97], [127.0, -13.75], [127.25, -13.85], [127.5, -13.75], [128.03, -13.97], [128.25, -14.5], [128.03, -15.03], [127.68, -15.18], [127.65, -15.25], [127.75, -15.5], [127.65, -15.75], [127.75, -16.0], [127.53, -16.53], [127.0, -16.75], [126.75, -16.65], [126.5, -16.75], [125.97, -16.53], [125.75, -16.0], [125.85, -15.75], [125.82, -15.68], [125.47, -15.53], [125.25, -15.0]]]]}, "2024-04-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[121.97, -16.47], [122.5, -16.25], [122.75, -16.35], [123.0, -16.25], [123.3, -16.37], [123.47, -15.97], [124.0, -15.75], [124.25, -15.85], [124.32, -15.82], [124.35, -15.75], [124.25, -15.5], [124.47, -14.97], [125.0, -14.75], [125.25, -14.85], [125.32, -14.82], 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"Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [24.550484698846958, 24.64956826727166, 24.257615048970877, 23.818473304865336, 24.8861341948421]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [24.550484698846958, 24.07938081857378, 22.170686484111513, 21.056312675662923, 22.88062429395069]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-2.093051330130095, -2.2726079260075696, -2.862176348051345, -3.222525147773056, -2.1511653025719455]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-2.093051330130095, -2.5351970664185615, -4.066296433725654, -4.651097238072623, -2.8463059155768633]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.2295452702703684, -1.519225323157813, -2.0860677933776848, -2.3341440445622554, -1.6001294943437852]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.2295452702703684, -1.7342486736725073, -2.8637194464850286, -3.080719433959216, -2.046981567946012]}}