{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:05:36.995419", "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": "2016-Jun-25_to_2016-Jun-27_124.5_-24.5"}, "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": 2016060000835}, "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 25 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 27 2016"}, "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": 58998.726442005725}, "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": []}, "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": -24.5}, "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": 124.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "124.5\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": 125.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -25.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -23.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-06-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[121.85, -24.25], [121.75, -24.0], [121.97, -23.47], [122.5, -23.25], [122.75, -23.35], [123.0, -23.25], [123.25, -23.35], [123.5, -23.25], [123.75, -23.35], [124.0, -23.25], [124.25, -23.35], [124.5, -23.25], [125.03, -23.47], [125.18, -23.82], [125.25, -23.85], [125.5, -23.75], [126.03, -23.97], [126.25, -24.5], [126.15, -24.75], [126.25, -25.0], [126.03, -25.53], [125.5, -25.75], [125.25, -25.65], [125.0, -25.75], [124.75, -25.65], [124.5, -25.75], [124.25, -25.65], [124.18, -25.68], [124.03, -26.03], [123.5, -26.25], [123.25, -26.15], [123.0, -26.25], [122.47, -26.03], [122.32, -25.68], [121.97, -25.53], [121.75, -25.0], [121.85, -24.75], [121.75, -24.5], [121.85, -24.25]]]]}, "2016-06-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[121.85, -24.25], [121.75, -24.0], [121.97, -23.47], [122.5, -23.25], [122.75, -23.35], [123.0, -23.25], [123.25, -23.35], [123.5, -23.25], [123.75, -23.35], [124.0, -23.25], [124.25, -23.35], [124.5, -23.25], [125.03, -23.47], [125.18, -23.82], [125.25, -23.85], [125.5, -23.75], [126.03, -23.97], [126.25, -24.5], [126.15, -24.75], [126.25, -25.0], [126.03, -25.53], [125.5, -25.75], [125.25, -25.65], [125.0, -25.75], [124.75, -25.65], [124.5, -25.75], [124.25, -25.65], [124.18, -25.68], [124.03, -26.03], [123.5, -26.25], [123.25, -26.15], [123.0, -26.25], [122.47, -26.03], [122.32, -25.68], [121.97, -25.53], [121.75, -25.0], [121.85, -24.75], [121.75, -24.5], [121.85, -24.25]]]]}, "2016-06-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[121.85, -24.25], [121.75, -24.0], [121.97, -23.47], [122.5, -23.25], [122.75, -23.35], [123.0, -23.25], [123.25, -23.35], [123.5, -23.25], [123.75, -23.35], [124.0, -23.25], [124.25, -23.35], [124.5, -23.25], [125.03, -23.47], [125.18, -23.82], [125.25, -23.85], [125.5, -23.75], [126.03, -23.97], [126.25, -24.5], [126.15, -24.75], [126.25, -25.0], [126.03, -25.53], [125.5, -25.75], [125.25, -25.65], [125.0, -25.75], [124.75, -25.65], [124.5, -25.75], [124.25, -25.65], [124.18, -25.68], [124.03, -26.03], [123.5, -26.25], [123.25, -26.15], [123.0, -26.25], [122.47, -26.03], [122.32, -25.68], [121.97, -25.53], [121.75, -25.0], [121.85, -24.75], [121.75, -24.5], [121.85, -24.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -4.453500737364891}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -3.7133399136687086}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [11.1350052125091, 10.78062685692413, 11.11662493325366]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [10.195559367479973, 10.333814169125617, 10.567829143791926]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-3.62187345837766, -3.9246287197064555, -3.59351756292201]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-3.9820801843767413, -4.453500737364891, -3.7716420987035235]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.431113157937012, -1.5637755228028967, -1.400660202467524]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.5597886580848228, -1.7793429898424573, -1.5226125737933456]}}