{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:20:39.542225", "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": "2022-May-24_to_2022-May-29_131.5_-23.0"}, "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": 2022050002676}, "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": "May 24 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 29 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 74128.23711340773}, "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"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Oceania"]}, "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": -23.0}, "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": 131.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "131.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 128.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 132.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -24.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -21.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[128.5, -20.25], [128.75, -20.35], [129.0, -20.25], [129.53, -20.47], [129.68, -20.82], [129.75, -20.85], [130.0, -20.75], [130.53, -20.97], [130.68, -21.32], [130.75, -21.35], [131.0, -21.25], [131.25, -21.35], [131.5, -21.25], [132.03, -21.47], [132.18, -21.82], [132.53, -21.97], [132.68, -22.32], [133.03, -22.47], [133.25, -23.0], [133.15, -23.25], [133.25, -23.5], [133.03, -24.03], [132.68, -24.18], [132.53, -24.53], [132.0, -24.75], [131.75, -24.65], [131.5, -24.75], [130.97, -24.53], [130.82, -24.18], [130.75, -24.15], [130.5, -24.25], [130.25, -24.15], [130.0, -24.25], [129.47, -24.03], [129.32, -23.68], [128.97, -23.53], [128.75, -23.0], [128.97, -22.47], [129.37, -22.3], [129.32, -22.18], [128.97, -22.03], [128.82, -21.68], [128.75, -21.65], [128.5, -21.75], [127.97, -21.53], [127.75, -21.0], [127.97, -20.47], [128.5, -20.25]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["C.Australia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-05-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[130.47, -21.97], [131.0, -21.75], [131.25, -21.85], [131.5, -21.75], [132.03, -21.97], [132.18, -22.32], [132.53, -22.47], [132.75, -23.0], [132.53, -23.53], [132.18, -23.68], [132.03, -24.03], [131.5, -24.25], [130.97, -24.03], [130.82, -23.68], [130.47, -23.53], [130.25, -23.0], [130.35, -22.75], [130.25, -22.5], [130.47, -21.97]]], [[[128.5, -21.75], [127.97, -21.53], [127.75, -21.0], [127.97, -20.47], [128.5, -20.25], [129.03, -20.47], [129.25, -21.0], [129.03, -21.53], [128.5, -21.75]]]]}, "2022-05-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[128.5, -21.75], [127.97, -21.53], [127.75, -21.0], [127.97, -20.47], [128.5, -20.25], [128.75, -20.35], [129.0, -20.25], [129.53, -20.47], [129.68, -20.82], [129.75, -20.85], [130.0, -20.75], [130.53, -20.97], [130.68, -21.32], [130.75, -21.35], [131.0, -21.25], [131.25, -21.35], [131.5, -21.25], [132.03, -21.47], [132.25, -22.0], [132.15, -22.25], [132.18, -22.32], [132.53, -22.47], [132.75, -23.0], [132.53, -23.53], [132.18, -23.68], [132.03, -24.03], [131.5, -24.25], [130.97, -24.03], [130.82, -23.68], [130.47, -23.53], [130.25, -23.0], [130.35, -22.75], [130.32, -22.68], [130.25, -22.65], [130.0, -22.75], [129.47, -22.53], [129.32, -22.18], [128.97, -22.03], [128.82, -21.68], [128.75, -21.65], [128.5, -21.75]]]]}, "2022-05-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[128.5, -21.75], [127.97, -21.53], [127.75, -21.0], [127.97, -20.47], [128.5, -20.25], [128.75, -20.35], [129.0, -20.25], [129.53, -20.47], [129.68, -20.82], [129.75, -20.85], [130.0, -20.75], [130.53, -20.97], [130.68, -21.32], [130.75, -21.35], [131.0, -21.25], [131.25, -21.35], [131.5, -21.25], [132.03, -21.47], [132.25, -22.0], [132.15, -22.25], [132.18, -22.32], [132.53, -22.47], [132.75, -23.0], [132.53, -23.53], [132.18, -23.68], [132.03, -24.03], [131.5, -24.25], [131.25, -24.15], [131.0, -24.25], [130.75, -24.15], [130.5, -24.25], [130.25, -24.15], [130.0, -24.25], [129.47, -24.03], [129.32, -23.68], [128.97, -23.53], [128.75, -23.0], [128.97, -22.47], [129.38, -22.3], [129.32, -22.18], [128.97, -22.03], [128.82, -21.68], [128.75, -21.65], [128.5, -21.75]]]]}, "2022-05-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[128.5, -21.75], [127.97, -21.53], [127.75, -21.0], [127.97, -20.47], [128.5, -20.25], [128.75, -20.35], [129.0, -20.25], [129.53, -20.47], [129.68, -20.82], [129.75, -20.85], [130.0, -20.75], [130.53, -20.97], [130.68, -21.32], [130.75, -21.35], [131.0, -21.25], [131.25, -21.35], [131.5, -21.25], [132.03, -21.47], [132.18, -21.82], [132.53, -21.97], [132.68, -22.32], [133.03, -22.47], [133.25, -23.0], [133.15, -23.25], [133.25, -23.5], [133.03, -24.03], [132.68, -24.18], [132.53, -24.53], [132.0, -24.75], [131.75, -24.65], [131.5, -24.75], [130.97, -24.53], [130.82, -24.18], [130.75, -24.15], [130.5, -24.25], [130.25, -24.15], [130.0, -24.25], [129.47, -24.03], [129.32, -23.68], [128.97, -23.53], [128.75, -23.0], [128.97, -22.47], [129.38, -22.3], [129.32, -22.18], [128.97, -22.03], [128.82, -21.68], [128.75, -21.65], [128.5, -21.75]]]]}, "2022-05-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[128.5, -21.75], [127.97, -21.53], [127.75, -21.0], [127.97, -20.47], [128.5, -20.25], [128.75, -20.35], [129.0, -20.25], [129.53, -20.47], [129.68, -20.82], [129.75, -20.85], [130.0, -20.75], [130.53, -20.97], [130.68, -21.32], [130.75, -21.35], [131.0, -21.25], [131.25, -21.35], [131.5, -21.25], [132.03, -21.47], [132.18, -21.82], [132.53, -21.97], [132.68, -22.32], [133.03, -22.47], [133.25, -23.0], [133.15, -23.25], [133.25, -23.5], [133.03, -24.03], [132.68, -24.18], [132.53, -24.53], [132.0, -24.75], [131.75, -24.65], [131.5, -24.75], [130.97, -24.53], [130.82, -24.18], [130.75, -24.15], [130.5, -24.25], [130.25, -24.15], [130.0, -24.25], [129.47, -24.03], [129.32, -23.68], [128.97, -23.53], [128.75, -23.0], [128.97, -22.47], [129.38, -22.3], [129.32, -22.18], [128.97, -22.03], [128.82, -21.68], [128.75, -21.65], [128.5, -21.75]]]]}, "2022-05-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[128.5, -21.75], [127.97, -21.53], [127.75, -21.0], [127.97, -20.47], [128.5, -20.25], [128.75, -20.35], [129.0, -20.25], [129.53, -20.47], [129.68, -20.82], [129.75, -20.85], [130.0, -20.75], [130.53, -20.97], [130.7, -21.37], [131.0, -21.25], [131.25, -21.35], [131.5, -21.25], [132.03, -21.47], [132.18, -21.82], [132.53, -21.97], [132.68, -22.32], [133.03, -22.47], [133.25, -23.0], [133.15, -23.25], [133.25, -23.5], [133.03, -24.03], [132.68, -24.18], [132.53, -24.53], [132.0, -24.75], [131.75, -24.65], [131.5, -24.75], [130.97, -24.53], [130.82, -24.18], [130.75, -24.15], [130.5, -24.25], [129.97, -24.03], [129.75, -23.5], [129.85, -23.25], [129.75, -23.0], [129.97, -22.47], [130.32, -22.32], [130.35, -22.25], [130.3, -22.12], [130.0, -22.25], [129.75, -22.15], [129.5, -22.25], [128.97, -22.03], [128.82, -21.68], [128.75, -21.65], [128.5, -21.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.681288856848482}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.764831012251395}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [21.706232012071382, 22.76639060508262, 22.185562093672957, 21.817089976351838, 22.919493016715364, 21.692862761825324]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [23.902312108071953, 24.35248287944802, 24.15655737777314, 24.00208228973662, 24.85832252030349, 24.12289899925662]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.833308106760569, 4.219707782583015, 4.129957916416023, 4.471850051791469, 5.8545046635305855, 5.0570137507847095]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.079325068690821, 4.776134468682187, 4.677894364527106, 5.195707197970648, 6.681288856848482, 6.243806123809804]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3588055731807802, 1.4607773123530539, 1.3871247933238695, 1.456109862003218, 1.8840182751608492, 1.6118502438094222]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4495643708031158, 1.639862782168319, 1.562156944083503, 1.643703625070429, 2.233495717463253, 1.9232917991931195]}}