{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:25:00.174078", "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-Nov-30_to_2022-Dec-05_129.5_-14.0"}, "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": 2022110002949}, "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": "November 30 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 05 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": 51104.42392340308}, "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": ["Timor 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": -14.0}, "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": 129.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "129.5\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": 130.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -14.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -12.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[130.65, -13.75], [130.75, -14.0], [130.53, -14.53], [130.18, -14.68], [130.03, -15.03], [129.5, -15.25], [129.25, -15.15], [129.0, -15.25], [128.75, -15.15], [128.5, -15.25], [127.97, -15.03], [127.75, -14.5], [127.85, -14.25], [127.75, -14.0], [127.97, -13.47], [128.32, -13.32], [128.35, -13.25], [128.25, -13.0], [128.47, -12.47], [128.82, -12.32], [128.97, -11.97], [129.5, -11.75], [129.75, -11.85], [129.82, -11.82], [129.97, -11.47], [130.5, -11.25], [131.03, -11.47], [131.25, -12.0], [131.15, -12.25], [131.25, -12.5], [131.03, -13.03], [130.68, -13.18], [130.65, -13.25], [130.75, -13.5], [130.65, -13.75]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Australia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-11-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[127.75, -14.0], [127.97, -13.47], [128.32, -13.32], [128.35, -13.25], [128.25, -13.0], [128.47, -12.47], [128.82, -12.32], [128.97, -11.97], [129.5, -11.75], [129.75, -11.85], [130.0, -11.75], [130.25, -11.85], [130.5, -11.75], [131.03, -11.97], [131.25, -12.5], [131.03, -13.03], [130.68, -13.18], [130.65, -13.25], [130.75, -13.5], [130.53, -14.03], [130.18, -14.18], [130.15, -14.25], [130.25, -14.5], [130.03, -15.03], [129.5, -15.25], [129.25, -15.15], [129.0, -15.25], [128.75, -15.15], [128.5, -15.25], [127.97, -15.03], [127.75, -14.5], [127.85, -14.25], [127.75, -14.0]]]]}, "2022-12-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[127.75, -14.0], [127.97, -13.47], [128.32, -13.32], [128.35, -13.25], [128.25, -13.0], [128.47, -12.47], [128.82, -12.32], [128.97, -11.97], [129.5, -11.75], [129.75, -11.85], [129.82, -11.82], [129.97, -11.47], [130.5, -11.25], [131.03, -11.47], [131.25, -12.0], [131.15, -12.25], [131.25, -12.5], [131.03, -13.03], [130.68, -13.18], [130.65, -13.25], [130.75, -13.5], [130.53, -14.03], [130.18, -14.18], [130.15, -14.25], [130.25, -14.5], [130.03, -15.03], [129.5, -15.25], [129.25, -15.15], [129.0, -15.25], [128.75, -15.15], [128.5, -15.25], [127.97, -15.03], [127.75, -14.5], [127.85, -14.25], [127.75, -14.0]]]]}, "2022-12-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[127.75, -14.0], [127.97, -13.47], [128.32, -13.32], [128.35, -13.25], [128.25, -13.0], [128.47, -12.47], [128.82, -12.32], [128.97, -11.97], [129.5, -11.75], [129.75, -11.85], [129.82, -11.82], [129.97, -11.47], [130.5, -11.25], [131.03, -11.47], [131.25, -12.0], [131.15, -12.25], [131.25, -12.5], [131.03, -13.03], [130.68, -13.18], [130.65, -13.25], [130.75, -13.5], [130.53, -14.03], [130.18, -14.18], [130.15, -14.25], [130.25, -14.5], [130.03, -15.03], [129.5, -15.25], [129.25, -15.15], [129.0, -15.25], [128.75, -15.15], [128.5, -15.25], [127.97, -15.03], [127.75, -14.5], [127.85, -14.25], [127.75, -14.0]]]]}, "2022-12-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[127.75, -14.0], [127.97, -13.47], [128.32, -13.32], [128.47, -12.97], [129.0, -12.75], [129.25, 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-15.25], [128.97, -15.03], [128.75, -14.5], [128.85, -14.25], [128.75, -14.0]]]]}, "2022-12-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[130.0, -12.75], [130.53, -12.97], [130.75, -13.5], [130.65, -13.75], [130.75, -14.0], [130.53, -14.53], [130.0, -14.75], [129.75, -14.65], [129.5, -14.75], [128.97, -14.53], [128.75, -14.0], [128.97, -13.47], [129.32, -13.32], [129.47, -12.97], [130.0, -12.75]]], [[[130.5, -12.75], [129.97, -12.53], [129.75, -12.0], [129.97, -11.47], [130.5, -11.25], [131.03, -11.47], [131.25, -12.0], [131.03, -12.53], [130.5, -12.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.8155489191878473}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.2175908394530939}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [30.492260037418987, 30.316477670399365, 30.361423549862934, 30.474076440268846, 30.420883904831783, 30.42478662674921]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [31.09391984551752, 30.79144594703604, 30.916243201558586, 31.11718564917561, 30.77904708373569, 30.911458857567823]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.3176467457079866, 1.1596072493078395, 1.1656156976749372, 1.2353770452694326, 1.1919052208203784, 1.258492826282776]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.6948136278195989, 1.5312065948138525, 1.4696216533226334, 1.8155489191878473, 1.618130645473343, 1.742099925340142]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [2.045151195280427, 1.7362193960596242, 1.6743835981229658, 1.61015890107953, 1.3668078260869512, 1.3338537218162068]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [3.0052211387812293, 2.1339741326284827, 2.145422463079014, 2.1228356818342444, 1.442924380839708, 1.4666966849640677]}}