{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:21:26.191669", "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": "2020-Sep-02_to_2020-Sep-04_147.0_-29.5"}, "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": 2020090001021}, "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": "September 02 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 04 2020"}, "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": "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": 86137.56694388723}, "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": ["E.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": -29.5}, "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": 147.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "147.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 145.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 150.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -30.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -27.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-09-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[145.35, -28.75], [145.25, -28.5], [145.35, -28.25], [145.25, -28.0], [145.47, -27.47], [146.0, -27.25], [146.53, -27.47], [146.68, -27.82], [146.75, -27.85], [147.0, -27.75], [147.25, -27.85], [147.5, -27.75], [147.75, -27.85], [148.0, -27.75], [148.53, -27.97], [148.68, -28.32], [148.75, -28.35], [149.0, -28.25], [149.53, -28.47], [149.68, -28.82], [150.03, -28.97], [150.25, -29.5], [150.15, -29.75], [150.18, -29.82], [150.53, -29.97], [150.75, -30.5], [150.53, -31.03], [150.0, -31.25], [149.75, -31.15], [149.5, -31.25], [149.25, -31.15], [149.0, -31.25], [148.75, -31.15], [148.5, -31.25], [148.25, -31.15], [148.0, -31.25], [147.47, -31.03], [147.32, -30.68], [147.25, -30.65], [147.0, -30.75], [146.47, -30.53], [146.32, -30.18], [146.25, -30.15], [146.0, -30.25], [145.47, -30.03], [145.25, -29.5], [145.35, -29.25], [145.25, -29.0], [145.35, -28.75]]]]}, "2020-09-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[145.35, -28.75], [145.25, -28.5], [145.35, -28.25], [145.25, -28.0], [145.47, -27.47], [146.0, -27.25], [146.53, -27.47], [146.68, -27.82], [146.75, -27.85], [147.0, -27.75], [147.25, -27.85], [147.5, -27.75], [147.75, -27.85], [148.0, -27.75], [148.53, -27.97], [148.68, -28.32], [148.75, -28.35], [149.0, -28.25], [149.53, -28.47], [149.68, -28.82], [150.03, -28.97], [150.25, -29.5], [150.15, -29.75], [150.18, -29.82], [150.53, -29.97], [150.75, -30.5], [150.53, -31.03], [150.0, -31.25], [149.75, -31.15], [149.5, -31.25], [149.25, -31.15], [149.0, -31.25], [148.75, -31.15], [148.5, -31.25], [148.25, -31.15], [148.0, -31.25], [147.47, -31.03], [147.32, -30.68], [147.25, -30.65], [147.0, -30.75], [146.47, -30.53], [146.32, -30.18], [146.25, -30.15], [146.0, -30.25], [145.47, -30.03], [145.25, -29.5], [145.35, -29.25], [145.25, -29.0], [145.35, -28.75]]]]}, "2020-09-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[145.35, -28.75], [145.25, -28.5], [145.35, -28.25], [145.25, -28.0], [145.47, -27.47], [146.0, -27.25], [146.53, -27.47], [146.68, -27.82], [146.75, -27.85], [147.0, -27.75], [147.25, -27.85], [147.5, -27.75], [147.75, -27.85], [148.0, -27.75], [148.53, -27.97], [148.68, -28.32], [148.75, -28.35], [149.0, -28.25], [149.53, -28.47], [149.68, -28.82], [150.03, -28.97], [150.25, -29.5], [150.15, -29.75], [150.18, -29.82], [150.53, -29.97], [150.75, -30.5], [150.53, -31.03], [150.0, -31.25], [149.75, -31.15], [149.5, -31.25], [149.25, -31.15], [149.0, -31.25], [148.75, -31.15], [148.5, -31.25], [148.25, -31.15], [148.0, -31.25], [147.47, -31.03], [147.32, -30.68], [147.25, -30.65], [147.0, -30.75], [146.47, -30.53], [146.32, -30.18], [146.25, -30.15], [146.0, -30.25], [145.47, -30.03], [145.25, -29.5], [145.35, -29.25], [145.25, -29.0], [145.35, -28.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 8.08754751190861}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.783018744109501}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [20.98606728486942, 22.12693703253649, 21.457488599273688]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [23.041513261708815, 24.271759671888844, 22.810087889582746]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.34607172370788, 6.402073388477071, 5.6009111201435555]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.589382135698827, 8.08754751190861, 6.098232798246613]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6847521414300295, 2.0297970602255213, 1.8001774380621869]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.0105058230745083, 2.463867483011903, 2.1488636356759674]}}