{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:01:38.066872", "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": "2024-Oct-20_to_2024-Oct-27_147.0_-19.0"}, "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": 2024100001993}, "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": "October 20 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 27 2024"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 8}, "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": 52728.13939330806}, "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": ["Coral 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": -19.0}, "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": 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": 146.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 150.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -19.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -18.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[146.5, -19.75], [145.97, -19.53], [145.75, -19.0], [145.85, -18.75], [145.75, -18.5], [145.85, -18.25], [145.75, -18.0], [145.97, -17.47], [146.5, -17.25], [146.75, -17.35], [147.0, -17.25], [147.25, -17.35], [147.5, -17.25], [147.75, -17.35], [148.0, -17.25], [148.25, -17.35], [148.5, -17.25], [149.03, -17.47], [149.25, -18.0], [149.15, -18.25], [149.18, -18.32], [149.25, -18.35], [149.5, -18.25], [150.03, -18.47], [150.18, -18.82], [150.53, -18.97], [150.75, -19.5], [150.53, -20.03], [150.0, -20.25], [149.47, -20.03], [149.32, -19.68], [149.25, -19.65], [149.0, -19.75], [148.75, -19.65], [148.5, -19.75], [148.25, -19.65], [148.0, -19.75], [147.75, -19.65], [147.5, -19.75], [147.25, -19.65], [147.0, -19.75], [146.75, -19.65], [146.5, -19.75]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Australia", "E.Australia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-10-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[146.47, -17.97], [146.82, -17.82], [146.97, -17.47], [147.5, -17.25], [147.75, -17.35], [148.0, -17.25], [148.53, -17.47], [148.68, -17.82], [149.03, -17.97], [149.25, -18.5], [149.03, -19.03], [148.5, -19.25], [148.25, -19.15], [148.18, -19.18], [148.03, -19.53], [147.5, -19.75], [147.25, -19.65], [147.0, -19.75], [146.75, -19.65], [146.5, -19.75], [145.97, -19.53], [145.75, -19.0], [145.97, -18.47], [146.32, -18.32], [146.47, -17.97]]]]}, "2024-10-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[145.75, -18.5], [145.85, -18.25], [145.75, -18.0], [145.97, -17.47], [146.5, -17.25], [147.0, -17.46], [147.5, -17.25], [147.75, -17.35], [148.0, -17.25], [148.53, -17.47], [148.68, -17.82], [149.03, -17.97], [149.25, -18.5], [149.03, -19.03], [148.5, -19.25], [148.25, -19.15], [148.18, -19.18], [148.03, -19.53], [147.5, -19.75], [147.25, -19.65], [147.0, -19.75], [146.75, -19.65], [146.5, -19.75], [145.97, -19.53], [145.75, -19.0], [145.85, -18.75], [145.75, -18.5]]]]}, "2024-10-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[145.75, -18.5], [145.85, -18.25], [145.75, -18.0], [145.97, -17.47], [146.5, -17.25], [147.0, -17.46], [147.5, -17.25], [147.75, -17.35], [148.0, -17.25], [148.53, -17.47], [148.68, -17.82], [149.03, -17.97], [149.25, -18.5], [149.03, -19.03], [148.5, -19.25], [148.25, -19.15], [148.18, -19.18], [148.03, -19.53], [147.5, -19.75], [147.25, -19.65], [147.0, -19.75], [146.75, -19.65], [146.5, -19.75], [145.97, -19.53], [145.75, -19.0], [145.85, -18.75], [145.75, -18.5]]]]}, "2024-10-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[145.75, -18.5], [145.85, -18.25], [145.75, -18.0], [145.97, -17.47], [146.5, -17.25], [147.03, -17.47], [147.25, -18.0], [147.15, -18.25], [147.18, -18.32], [147.53, -18.47], [147.75, -19.0], [147.53, -19.53], [147.0, -19.75], [146.75, -19.65], [146.5, -19.75], [145.97, -19.53], [145.75, -19.0], [145.85, -18.75], [145.75, -18.5]]]]}, "2024-10-24T11:30:00.000000000": 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"2024-10-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[145.75, -18.0], [145.97, -17.47], [146.5, -17.25], [146.75, -17.35], [147.0, -17.25], [147.25, -17.35], [147.5, -17.25], [147.75, -17.35], [148.0, -17.25], [148.25, -17.35], [148.5, -17.25], [149.03, -17.47], [149.25, -18.0], [149.15, -18.25], [149.18, -18.32], [149.25, -18.35], [149.5, -18.25], [150.03, -18.47], [150.18, -18.82], [150.53, -18.97], [150.75, -19.5], [150.53, -20.03], [150.0, -20.25], [149.47, -20.03], [149.32, -19.68], [149.25, -19.65], [149.0, -19.75], [148.75, -19.65], [148.5, -19.75], [148.25, -19.65], [148.0, -19.75], [147.75, -19.65], [147.5, -19.75], [147.25, -19.65], [147.0, -19.75], [146.47, -19.53], [146.32, -19.18], [145.97, -19.03], [145.75, -18.5], [145.85, -18.25], [145.75, -18.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.4906351804462474}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.0530357707150222}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.325806766086203, 25.48562474106302, 25.67305156823363, 25.553369140625023, 25.61904847886825, 25.77351503725407, 25.828375470196818, 25.941472625732388]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.444160715738974, 25.597019449869833, 25.84220403035482, 25.682092285156273, 25.75419387817385, 26.030124918619833, 26.07172037760421, 26.03994267781576]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.9058166602730593, 1.0197430915765515, 1.1480605190437658, 1.1151833774175088, 1.1650249785134292, 1.0535494519228905, 1.0449902012406054, 1.0646201925666319]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.245135105995132, 1.259771783990118, 1.4701960810398305, 1.3530655618891387, 1.3777237735355925, 1.4906351804462474, 1.1670481582582397, 1.206832467276115]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3059858224254617, 1.423911331406041, 1.5848107359655919, 1.4416547190924405, 1.4663149532845485, 1.3977417873513411, 1.4142249416780766, 1.4443921415660959]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5363296799743107, 1.5081371789793558, 1.7909249007690777, 1.5787216885118622, 1.6196942362660418, 1.7197291579576703, 1.557152305966096, 1.655307007718893]}}