{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:21:11.207530", "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": "2019-Dec-31_to_2020-Jan-04_133.0_-21.5"}, "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": 2019120002763}, "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": "December 31 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 04 2020"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 51745.261874313124}, "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": -21.5}, "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": 133.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "133.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 132.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 136.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -23.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -20.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-12-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[132.47, -22.03], [132.25, -21.5], [132.47, -20.97], [133.0, -20.75], [133.25, -20.85], [133.5, -20.75], [134.03, -20.97], [134.25, -21.5], [134.03, -22.03], [133.5, -22.25], [133.25, -22.15], [133.0, -22.25], [132.47, -22.03]]]]}, "2020-01-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[131.75, -21.0], [131.97, -20.47], [132.5, -20.25], [132.75, -20.35], [133.0, -20.25], [133.25, -20.35], [133.5, -20.25], [134.03, -20.47], [134.18, -20.82], [134.3, -20.87], [134.47, -20.47], [135.0, -20.25], [135.53, -20.47], [135.75, -21.0], [135.53, -21.53], [135.0, -21.75], [134.7, -21.62], [134.63, -21.8], [135.03, -21.97], [135.25, -22.5], [135.03, -23.03], [134.5, -23.25], [134.25, -23.15], [134.18, -23.18], [134.03, -23.53], [133.5, -23.75], [132.97, -23.53], [132.75, -23.0], [132.96, -22.5], [132.82, -22.18], [132.47, -22.03], [132.32, -21.68], [131.97, -21.53], [131.75, -21.0]]]]}, "2020-01-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[131.75, -21.0], [131.97, -20.47], [132.5, -20.25], [132.75, -20.35], [133.0, -20.25], [133.25, -20.35], [133.5, -20.25], [134.0, -20.46], [134.5, -20.25], [134.75, -20.35], [135.0, -20.25], [135.25, -20.35], [135.5, -20.25], [135.75, -20.35], [136.0, -20.25], [136.53, -20.47], [136.75, -21.0], [136.53, -21.53], [136.18, -21.68], [136.03, -22.03], [135.5, -22.25], [135.25, -22.15], [135.18, -22.18], [135.15, -22.25], [135.25, -22.5], [135.03, -23.03], [134.5, -23.25], [134.25, -23.15], [134.18, -23.18], [134.03, -23.53], [133.5, -23.75], [132.97, -23.53], [132.75, -23.0], [132.96, -22.5], [132.82, -22.18], [132.47, -22.03], [132.32, -21.68], [131.97, -21.53], [131.75, -21.0]]]]}, "2020-01-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[131.75, -21.0], [131.97, -20.47], [132.5, -20.25], [132.75, -20.35], [133.0, -20.25], [133.25, -20.35], [133.5, -20.25], [134.0, -20.46], [134.5, -20.25], [134.75, -20.35], [135.0, -20.25], [135.25, -20.35], [135.5, -20.25], [135.75, -20.35], [136.0, -20.25], [136.53, -20.47], [136.75, -21.0], [136.53, -21.53], 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[132.25, -21.0], [132.47, -20.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.589569337446051}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.452646605255001}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [33.411331316251164, 34.18283649976411, 34.805612355116466, 35.53806567241577, 34.46947884489947]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [33.5046409122275, 35.078141317326356, 35.647278811082344, 37.05016184983839, 35.595745173473176]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.9198367155112237, 4.104501788778392, 4.4341771769979506, 5.1544277860001175, 3.883077468020006]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.041829552424019, 4.426298081268044, 5.323927837608153, 5.589569337446051, 4.183307542574539]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3565718504006181, 1.3994415625938295, 1.4743776269180926, 1.7051434907236311, 1.260060946591887]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4222434605178471, 1.4594366197873703, 1.7957857276742468, 1.8995442173684263, 1.3298112078829876]}}