{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:21:58.662693", "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-Jul-22_to_2022-Jul-25_146.0_-37.5"}, "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": 2022070002653}, "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": "July 22 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 25 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": 57044.84049648666}, "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": []}, "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": -37.5}, "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": 146.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "146.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 142.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 146.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -37.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -34.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[146.53, -36.97], [146.75, -37.5], [146.53, -38.03], [146.0, -38.25], [145.75, -38.15], [145.5, -38.25], [145.25, -38.15], [145.0, -38.25], [144.75, -38.15], [144.5, -38.25], [144.25, -38.15], [144.0, -38.25], [143.75, -38.15], [143.5, -38.25], [143.25, -38.15], [143.0, -38.25], [142.75, -38.15], [142.5, -38.25], [141.97, -38.03], [141.75, -37.5], [141.97, -36.97], [142.32, -36.82], [142.47, -36.47], [143.0, -36.25], [143.25, -36.35], [143.5, -36.25], [143.75, -36.35], [143.82, -36.32], [143.97, -35.97], [144.32, -35.82], [144.46, -35.5], [144.25, -35.0], [144.35, -34.75], [144.32, -34.68], [143.97, -34.53], [143.75, -34.0], [143.97, -33.47], [144.5, -33.25], [145.03, -33.47], [145.18, -33.82], [145.53, -33.97], [145.75, -34.5], [145.65, -34.75], [145.68, -34.82], [146.03, -34.97], [146.25, -35.5], [146.15, -35.75], [146.25, -36.0], [146.15, -36.25], [146.25, -36.5], [146.15, -36.75], [146.18, -36.82], [146.53, -36.97]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.Australia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-07-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[142.47, -36.47], [143.0, -36.25], [143.25, -36.35], [143.5, -36.25], [143.75, -36.35], [143.82, -36.32], [143.97, -35.97], [144.32, -35.82], [144.46, -35.5], [144.25, -35.0], [144.35, -34.75], [144.32, -34.68], [143.97, -34.53], [143.75, -34.0], [143.97, -33.47], [144.5, -33.25], [145.03, -33.47], [145.18, -33.82], [145.53, -33.97], [145.75, -34.5], [145.65, -34.75], [145.68, -34.82], [146.03, -34.97], [146.25, -35.5], [146.15, -35.75], [146.25, -36.0], [146.15, -36.25], [146.25, -36.5], [146.15, -36.75], [146.18, -36.82], [146.53, -36.97], [146.75, -37.5], [146.53, -38.03], [146.0, -38.25], [145.75, -38.15], [145.5, -38.25], [145.25, -38.15], [145.0, -38.25], [144.75, -38.15], [144.5, -38.25], [144.25, -38.15], [144.0, -38.25], [143.75, -38.15], [143.5, -38.25], [143.25, -38.15], [143.0, -38.25], [142.75, -38.15], [142.5, -38.25], [141.97, -38.03], [141.75, -37.5], [141.97, -36.97], [142.32, -36.82], [142.47, -36.47]]]]}, "2022-07-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[142.47, -36.47], [143.0, -36.25], [143.25, -36.35], [143.5, -36.25], [143.75, -36.35], [143.82, -36.32], [143.97, -35.97], [144.32, -35.82], [144.46, -35.5], [144.25, -35.0], [144.35, -34.75], [144.32, -34.68], [143.97, -34.53], [143.75, -34.0], [143.97, -33.47], [144.5, -33.25], [145.03, -33.47], [145.18, -33.82], [145.53, -33.97], [145.75, -34.5], [145.65, -34.75], [145.68, -34.82], [146.03, -34.97], [146.25, -35.5], [146.15, -35.75], [146.25, -36.0], [146.15, -36.25], [146.25, -36.5], [146.15, -36.75], [146.18, -36.82], [146.53, -36.97], [146.75, -37.5], [146.53, -38.03], [146.0, -38.25], [145.75, -38.15], [145.5, -38.25], [145.25, -38.15], [145.0, -38.25], [144.75, -38.15], [144.5, -38.25], [144.25, -38.15], [144.0, -38.25], [143.75, -38.15], [143.5, -38.25], [143.25, -38.15], [143.0, -38.25], [142.75, -38.15], [142.5, -38.25], [141.97, -38.03], [141.75, -37.5], [141.97, -36.97], [142.32, -36.82], [142.47, -36.47]]]]}, "2022-07-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[142.47, -36.47], [143.0, -36.25], [143.25, -36.35], [143.5, -36.25], [143.75, -36.35], [143.82, -36.32], [143.97, -35.97], [144.32, -35.82], [144.46, -35.5], [144.25, -35.0], [144.35, -34.75], [144.32, -34.68], [143.97, -34.53], [143.75, -34.0], [143.97, -33.47], [144.5, -33.25], [145.03, -33.47], [145.18, -33.82], [145.53, -33.97], [145.75, -34.5], [145.65, -34.75], [145.68, -34.82], [146.03, -34.97], [146.25, -35.5], [146.15, -35.75], [146.25, -36.0], [146.15, -36.25], [146.25, -36.5], [146.15, -36.75], [146.18, -36.82], [146.53, -36.97], [146.75, -37.5], [146.53, -38.03], [146.0, -38.25], [145.75, -38.15], [145.5, -38.25], [145.25, -38.15], [145.0, -38.25], [144.75, -38.15], [144.5, -38.25], [144.25, -38.15], [144.0, -38.25], [143.75, -38.15], [143.5, -38.25], [143.25, -38.15], [143.0, -38.25], [142.75, -38.15], [142.5, -38.25], [141.97, -38.03], [141.75, -37.5], [141.97, -36.97], [142.32, -36.82], [142.47, -36.47]]]]}, "2022-07-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[144.75, -37.0], [144.97, -36.47], [145.5, -36.25], [146.03, -36.47], [146.18, -36.82], [146.53, -36.97], [146.75, -37.5], [146.53, -38.03], [146.0, -38.25], [145.75, -38.15], [145.5, -38.25], [144.97, -38.03], [144.75, -37.5], [144.85, -37.25], [144.75, -37.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.5585951851484765}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.103034551876559}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [10.928298844522772, 10.292762488417225, 10.982201001932083, 8.444850083759889]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [13.4182965422022, 12.44936562107597, 13.736421583406582, 9.282185813294916]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.3741789975226344, 2.7237976173820324, 3.285195436654837, 2.5351768497478893]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.933259159497993, 3.0793193335311457, 4.5585951851484765, 2.7373767029465057]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7203585624040696, 1.4394014682180438, 1.7576314371176742, 1.4465905332403401]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.0191662856389065, 1.8245006397934602, 2.5360720177585545, 1.580765637350913]}}