{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:23:01.107198", "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": "2021-Jan-09_to_2021-Jan-13_151.0_-11.0"}, "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": 2021010001672}, "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": "January 09 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 13 2021"}, "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": 79010.21311884982}, "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": ["Papua New Guinea"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Australia", "S.E.Asia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia"]}, "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", "Solomon 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": -11.0}, "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": 151.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "151.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 150.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 153.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -12.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -8.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-01-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[150.85, -9.25], [150.75, -9.0], [150.85, -8.75], [150.75, -8.5], [150.97, -7.97], [151.5, -7.75], [151.75, -7.85], [152.0, -7.75], [152.53, -7.97], [152.75, -8.5], [152.65, -8.75], [152.75, -9.0], [152.65, -9.25], [152.68, -9.32], [153.03, -9.47], [153.25, -10.0], [153.03, -10.53], [152.68, -10.68], [152.53, -11.03], [152.0, -11.25], [151.47, -11.03], [151.32, -10.68], [150.97, -10.53], [150.75, -10.0], [150.85, -9.75], [150.75, -9.5], [150.85, -9.25]]]]}, "2021-01-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[149.75, -11.0], [149.97, -10.47], [150.32, -10.32], [150.47, -9.97], [150.82, -9.82], [150.85, -9.75], [150.75, -9.5], [150.85, -9.25], [150.75, -9.0], [150.85, -8.75], [150.75, -8.5], [150.97, -7.97], [151.5, -7.75], [151.75, -7.85], [152.0, -7.75], [152.53, -7.97], [152.75, -8.5], [152.65, -8.75], [152.75, -9.0], [152.65, -9.25], [152.68, -9.32], [153.03, -9.47], [153.25, -10.0], [153.15, -10.25], [153.25, -10.5], [153.15, -10.75], [153.18, -10.82], [153.53, -10.97], [153.75, -11.5], [153.53, -12.03], [153.18, -12.18], [153.03, -12.53], [152.5, -12.75], [151.97, -12.53], [151.82, -12.18], [151.75, -12.15], [151.5, -12.25], [151.25, -12.15], [151.0, -12.25], [150.47, -12.03], [150.32, -11.68], [149.97, -11.53], [149.75, -11.0]]]]}, "2021-01-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[149.97, -9.97], [150.5, -9.75], [150.75, -9.85], [150.82, -9.82], [150.85, -9.75], [150.75, -9.5], [150.85, -9.25], [150.75, -9.0], [150.85, -8.75], [150.75, -8.5], [150.97, -7.97], [151.5, -7.75], [151.75, -7.85], [152.0, -7.75], [152.53, -7.97], [152.75, -8.5], [152.65, -8.75], [152.75, -9.0], [152.65, -9.25], [152.68, -9.32], [153.03, -9.47], [153.25, -10.0], [153.15, -10.25], [153.25, -10.5], [153.15, -10.75], [153.18, -10.82], [153.53, -10.97], [153.75, -11.5], [153.53, -12.03], [153.18, -12.18], [153.03, -12.53], [152.5, -12.75], [152.0, -12.54], [151.5, -12.75], [150.97, -12.53], [150.82, -12.18], [150.47, -12.03], [150.32, -11.68], [149.97, -11.53], [149.75, -11.0], [149.85, -10.75], [149.75, -10.5], [149.97, -9.97]]]]}, "2021-01-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[149.97, -9.97], [150.5, -9.75], [150.75, -9.85], [151.0, -9.75], [151.25, -9.85], [151.32, -9.82], [151.47, -9.47], [152.0, -9.25], [152.25, -9.35], [152.5, -9.25], [153.03, -9.47], [153.25, -10.0], [153.15, -10.25], [153.25, -10.5], [153.15, -10.75], [153.18, -10.82], [153.53, -10.97], [153.75, -11.5], [153.53, -12.03], [153.18, -12.18], [153.03, -12.53], [152.5, -12.75], [152.0, -12.54], [151.5, -12.75], [150.97, -12.53], [150.82, -12.18], [150.47, -12.03], [150.32, -11.68], [149.97, -11.53], [149.75, -11.0], [149.85, -10.75], [149.75, -10.5], [149.97, -9.97]]]]}, "2021-01-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[149.97, -9.97], [150.5, -9.75], [150.75, -9.85], [151.0, -9.75], [151.53, -9.97], [151.68, -10.32], [152.03, -10.47], [152.25, -11.0], [152.15, -11.25], [152.2, -11.37], [152.32, -11.32], [152.47, -10.97], [153.0, -10.75], [153.53, -10.97], [153.75, -11.5], [153.53, -12.03], [153.18, -12.18], [153.03, -12.53], [152.5, -12.75], [152.0, -12.54], [151.5, -12.75], [150.97, -12.53], [150.82, -12.18], [150.47, -12.03], [150.32, -11.68], [149.97, -11.53], [149.75, -11.0], [149.85, -10.75], [149.75, -10.5], [149.97, -9.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.8309297640188902}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.1012712545048593}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.48441671410916, 28.647923646474055, 28.425229172338902, 28.604499946665157, 28.344859986301913]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.741031457944757, 29.3379220060624, 29.111282596096544, 29.223363081948378, 28.81194233044306]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.0317530182125552, 1.201089114181111, 1.0157789632388234, 1.1944516441459099, 0.9764638445478567]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.2547754201106045, 1.8309297640188902, 1.6664552999051807, 1.722027434119184, 1.3989372494536951]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.9267279466664138, 2.1878738128242325, 1.8001927839100025, 2.0898104738475425, 1.5991733271235007]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.2735112212972175, 3.2895709308894907, 2.748141474819832, 2.9338434679316308, 1.9811640209400747]}}