{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:23:13.507954", "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-Sep-15_to_2022-Sep-18_123.5_-15.0"}, "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": 2022090002078}, "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": "September 15 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 18 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 50610.891246767875}, "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": ["Indian Ocean"]}, "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": -15.0}, "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": 123.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "123.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 122.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 124.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -17.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -14.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[122.47, -13.97], [123.0, -13.75], [123.25, -13.85], [123.5, -13.75], [123.75, -13.85], [124.0, -13.75], [124.53, -13.97], [124.75, -14.5], [124.65, -14.75], [124.75, -15.0], [124.54, -15.5], [124.75, -16.0], [124.65, -16.25], [124.75, -16.5], [124.53, -17.03], [124.18, -17.18], [124.03, -17.53], [123.5, -17.75], [122.97, -17.53], [122.82, -17.18], [122.47, -17.03], [122.32, -16.68], [121.97, -16.53], [121.75, -16.0], [121.96, -15.5], [121.75, -15.0], [121.97, -14.47], [122.32, -14.32], [122.47, -13.97]]]]}}, "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": {"2022-09-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[121.75, -15.0], [121.97, -14.47], [122.32, -14.32], [122.47, -13.97], [123.0, -13.75], [123.25, -13.85], [123.5, -13.75], [123.75, -13.85], [124.0, -13.75], [124.53, -13.97], [124.75, -14.5], [124.65, -14.75], [124.75, -15.0], [124.54, -15.5], [124.75, -16.0], [124.65, -16.25], [124.75, -16.5], [124.53, -17.03], [124.18, -17.18], [124.03, -17.53], [123.5, -17.75], [122.97, -17.53], [122.82, -17.18], [122.47, -17.03], [122.32, -16.68], [121.97, -16.53], [121.75, -16.0], [121.96, -15.5], [121.75, -15.0]]]]}, "2022-09-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[121.75, -15.0], [121.97, -14.47], [122.32, -14.32], [122.47, -13.97], [123.0, -13.75], [123.25, -13.85], [123.5, -13.75], [123.75, -13.85], [124.0, -13.75], [124.53, -13.97], [124.75, -14.5], [124.65, -14.75], [124.75, -15.0], [124.54, -15.5], [124.75, -16.0], [124.65, -16.25], [124.75, -16.5], [124.53, -17.03], [124.18, -17.18], [124.03, -17.53], [123.5, -17.75], [122.97, -17.53], [122.82, -17.18], [122.47, -17.03], [122.32, -16.68], [121.97, -16.53], [121.75, -16.0], [121.96, -15.5], [121.75, -15.0]]]]}, "2022-09-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[121.75, -15.0], [121.97, -14.47], [122.32, -14.32], [122.47, -13.97], [123.0, -13.75], [123.25, -13.85], [123.5, -13.75], [123.75, -13.85], [124.0, -13.75], [124.53, -13.97], [124.75, -14.5], [124.65, -14.75], [124.75, -15.0], [124.54, -15.5], [124.75, -16.0], [124.65, -16.25], [124.75, -16.5], [124.53, -17.03], [124.18, -17.18], [124.03, -17.53], [123.5, -17.75], [122.97, -17.53], [122.82, -17.18], [122.47, -17.03], [122.32, -16.68], [121.97, -16.53], [121.75, -16.0], [121.96, -15.5], [121.75, -15.0]]]]}, "2022-09-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[123.47, -13.97], [124.0, -13.75], [124.53, -13.97], [124.75, -14.5], [124.53, -15.03], [124.18, -15.18], [124.03, -15.53], [123.5, -15.75], [122.97, -15.53], [122.75, -15.0], [122.97, -14.47], [123.32, -14.32], [123.47, -13.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.6738900383913347}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.3799041642669223}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.440187166034264, 27.470345720060322, 27.20429338296674, 27.225950481247196]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.65707209281703, 27.93526487844622, 27.971436891564622, 27.296906416687023]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.5032084494375662, 1.497335904036417, 1.199953223417143, 0.8632309494988704]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.6738900383913347, 2.032877669516779, 1.8274790459342398, 0.8936830559453597]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7994587393935717, 1.855399001200947, 1.4939262336760566, 1.3071878326613047]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.5529416480849307, 2.3517398900601725, 1.7580690331995874, 1.3239303140949095]}}