{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:31:07.017306", "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-16_to_2022-May-22_138.0_-17.0"}, "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": 2022050002153}, "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 16 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 22 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 71064.39876471792}, "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": ["Arafura Sea"]}, "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": -17.0}, "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": 138.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "138.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 134.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 139.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -18.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -15.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-05-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[136.97, -17.53], [136.75, -17.0], [136.97, -16.47], [137.5, 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[138.32, -18.18], [138.25, -18.15], [138.0, -18.25], [137.75, -18.15], [137.5, -18.25], [136.97, -18.03], [136.75, -17.5], [136.85, -17.25], [136.75, -17.0], [136.97, -16.47]]]]}, "2022-05-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[133.75, -16.0], [133.97, -15.47], [134.32, -15.32], [134.47, -14.97], [135.0, -14.75], [135.25, -14.85], [135.5, -14.75], [136.03, -14.97], [136.18, -15.32], [136.25, -15.35], [136.5, -15.25], [137.03, -15.47], [137.18, -15.82], [137.25, -15.85], [137.5, -15.75], [137.75, -15.85], [138.0, -15.75], [138.53, -15.97], [138.68, -16.32], [139.03, -16.47], [139.18, -16.82], [139.25, -16.85], [139.5, -16.75], [140.03, -16.97], [140.25, -17.5], [140.03, -18.03], [139.68, -18.18], [139.53, -18.53], [139.0, -18.75], [138.47, -18.53], [138.32, -18.18], [138.25, -18.15], [138.0, -18.25], [137.75, -18.15], [137.5, -18.25], [136.97, -18.03], [136.82, -17.68], [136.47, -17.53], [136.32, -17.18], [136.25, -17.15], [136.0, -17.25], [135.75, -17.15], 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[134.47, -17.03], [134.32, -16.68], [133.97, -16.53], [133.75, -16.0]]]]}, "2022-05-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[133.75, -16.0], [133.97, -15.47], [134.32, -15.32], [134.47, -14.97], [135.0, -14.75], [135.25, -14.85], [135.5, -14.75], [136.03, -14.97], [136.18, -15.32], [136.25, -15.35], [136.5, -15.25], [137.03, -15.47], [137.18, -15.82], [137.25, -15.85], [137.5, -15.75], [137.75, -15.85], [138.0, -15.75], [138.53, -15.97], [138.68, -16.32], [139.03, -16.47], [139.18, -16.82], [139.53, -16.97], [139.75, -17.5], [139.53, -18.03], [139.0, -18.25], [138.75, -18.15], [138.5, -18.25], [137.97, -18.03], [137.82, -17.68], [137.75, -17.65], [137.5, -17.75], [137.25, -17.65], [137.0, -17.75], [136.47, -17.53], [136.32, -17.18], [136.25, -17.15], [136.0, -17.25], [135.75, -17.15], [135.5, -17.25], [135.25, -17.15], [135.0, -17.25], [134.47, -17.03], [134.32, -16.68], [133.97, -16.53], [133.75, -16.0]]]]}, "2022-05-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[137.47, -17.53], [137.25, -17.0], [137.47, -16.47], [138.0, -16.25], [138.25, -16.35], [138.5, -16.25], [139.03, -16.47], [139.25, -17.0], [139.03, -17.53], [138.5, -17.75], [138.25, -17.65], [138.0, -17.75], [137.47, -17.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.5639239766904325}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.343260072090763}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.308551462590287, 26.115571403744923, 26.419942755055445, 27.08137876047914, 27.56349754527406, 26.58175601225048, 26.09203463786116]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.537546254215783, 26.31382648293055, 27.17922436302223, 27.843796595640754, 28.69120049771874, 27.62208508083023, 26.15429058857785]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.788598396269151, 2.685039632029543, 3.060248991485619, 3.395799290669648, 3.9312628417453794, 2.9249618864105402, 2.932611106638376]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.884903335291142, 2.734345027144002, 3.5168338302811435, 4.282385235641414, 4.5639239766904325, 3.516794730351421, 3.1285449851563953]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3380117436991057, 1.2543566933822485, 1.4038050331513563, 1.4919243948483167, 1.6996597558155442, 1.2442334152557677, 1.2720393780944064]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3492350253095338, 1.2783374604899473, 1.5820206868180389, 1.8400136969013043, 2.0282245985176766, 1.5310210146312881, 1.331993847224462]}}