{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:59:26.057487", "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": "2026-Apr-17_to_2026-Apr-20_128.0_-27.5"}, "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": 2026040001928}, "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 17 2026"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 20 2026"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": "Heat wave"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 69034.27968021971}, "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": -27.5}, "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": 128.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "128.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 125.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 129.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -27.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -25.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2026-04-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[127.47, -28.03], [127.25, -27.5], [127.47, -26.97], [128.0, -26.75], [128.25, -26.85], [128.5, -26.75], [129.03, -26.97], [129.25, -27.5], [129.03, -28.03], [128.5, -28.25], [128.25, -28.15], [128.0, -28.25], [127.47, -28.03]]]]}, "2026-04-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[125.25, -26.0], [125.47, -25.47], [126.0, -25.25], [126.25, -25.35], [126.5, -25.25], [126.75, -25.35], [127.0, -25.25], [127.25, -25.35], [127.5, -25.25], [127.75, -25.35], [128.0, -25.25], [128.25, -25.35], [128.5, -25.25], [129.03, -25.47], [129.18, -25.82], [129.53, -25.97], [129.75, -26.5], [129.65, -26.75], [129.75, -27.0], [129.65, -27.25], [129.75, -27.5], [129.53, -28.03], [129.0, -28.25], [128.75, -28.15], [128.5, -28.25], [128.25, -28.15], [128.0, -28.25], [127.75, -28.15], [127.5, -28.25], [126.97, -28.03], [126.82, -27.68], [126.75, -27.65], [126.5, -27.75], [126.25, -27.65], [126.0, -27.75], [125.75, -27.65], [125.5, -27.75], [124.97, -27.53], [124.75, -27.0], [124.97, -26.47], [125.32, -26.32], [125.35, -26.25], [125.25, -26.0]]]]}, "2026-04-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[125.25, -26.0], [125.47, -25.47], [126.0, -25.25], [126.25, -25.35], [126.5, -25.25], [126.75, -25.35], [127.0, -25.25], [127.25, -25.35], [127.5, -25.25], [127.75, -25.35], [128.0, -25.25], [128.25, -25.35], [128.5, -25.25], [129.03, -25.47], [129.18, -25.82], [129.53, -25.97], [129.75, -26.5], [129.65, -26.75], [129.75, -27.0], [129.65, -27.25], [129.75, -27.5], [129.53, -28.03], [129.0, -28.25], [128.75, -28.15], [128.5, -28.25], [128.25, -28.15], [128.0, -28.25], [127.75, -28.15], [127.5, -28.25], [126.97, -28.03], [126.82, -27.68], [126.75, -27.65], [126.5, -27.75], [126.25, -27.65], [126.0, -27.75], [125.75, -27.65], [125.5, -27.75], [124.97, -27.53], [124.75, -27.0], [124.97, -26.47], [125.32, -26.32], [125.35, -26.25], [125.25, -26.0]]]]}, "2026-04-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[125.25, -26.0], [125.47, -25.47], [126.0, -25.25], [126.25, -25.35], [126.5, -25.25], [126.75, -25.35], [127.0, -25.25], [127.25, -25.35], [127.5, -25.25], [127.75, -25.35], [128.0, -25.25], [128.25, -25.35], [128.5, -25.25], [129.03, -25.47], [129.18, -25.82], [129.53, -25.97], [129.75, -26.5], [129.65, -26.75], [129.75, -27.0], [129.65, -27.25], [129.75, -27.5], [129.53, -28.03], [129.0, -28.25], [128.75, -28.15], [128.5, -28.25], [128.25, -28.15], [128.0, -28.25], [127.75, -28.15], [127.5, -28.25], [126.97, -28.03], [126.82, -27.68], [126.75, -27.65], [126.5, -27.75], [126.25, -27.65], [126.0, -27.75], [125.75, -27.65], [125.5, -27.75], [124.97, -27.53], [124.75, -27.0], [124.97, -26.47], [125.32, -26.32], [125.35, -26.25], [125.25, -26.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.047925157315035}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.55517069040719}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.643445587158226, 27.34795410156255, 27.009020996093795, 27.571406097412137]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.78464024861654, 28.249047851562523, 28.287927246093773, 28.507965342203818]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.725596386407773, 5.4155148264985495, 5.2821115885573136, 6.034251600485659]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.742311759813788, 6.159467008425452, 5.9665824987330325, 7.047925157315035]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4089498582922637, 1.621503245498209, 1.5785232424711477, 1.7826278335017733]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4185242584015512, 1.8599138042578605, 1.8017978393069258, 2.100498992218021]}}