{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:19:10.616373", "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": "2019-Feb-08_to_2019-Feb-11_307.5_-30.0"}, "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": 2019020001464}, "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": "February 08 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 11 2019"}, "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": 58027.03852877644}, "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": ["Brazil"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.South-America"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["South America"]}, "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": ["South Atlantic 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": -30.0}, "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": 307.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "307.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 307.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 311.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -33.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -29.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-02-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-52.5, -29.25], [-51.97, -29.47], [-51.75, -30.0], [-51.97, -30.53], [-52.5, -30.75], [-53.03, -30.53], [-53.25, -30.0], [-53.03, -29.47], [-52.5, -29.25]]]]}, "2019-02-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-53.25, -30.0], [-53.03, -29.47], [-52.5, -29.25], [-52.0, -29.46], [-51.5, -29.25], [-51.25, -29.35], [-51.0, -29.25], [-50.75, -29.35], [-50.5, -29.25], [-50.25, -29.35], [-50.0, -29.25], [-49.47, -29.47], [-49.25, -30.0], [-49.46, -30.5], [-49.32, -30.82], [-49.25, -30.85], [-49.18, -30.82], [-49.03, -30.47], [-48.5, -30.25], [-47.97, -30.47], [-47.75, -31.0], [-47.97, -31.53], [-48.32, -31.68], [-48.47, -32.03], [-49.0, -32.25], [-49.25, -32.15], [-49.32, -32.18], [-49.35, -32.25], [-49.25, -32.5], [-49.35, -32.75], [-49.25, -33.0], [-49.35, -33.25], [-49.25, -33.5], [-49.47, -34.03], [-50.0, -34.25], [-50.25, -34.15], [-50.5, -34.25], [-51.03, -34.03], [-51.25, -33.5], [-51.15, -33.25], [-51.25, -33.0], [-51.15, -32.75], [-51.25, -32.5], [-51.15, -32.25], [-51.25, -32.0], [-51.12, -31.7], [-51.53, -31.53], [-51.68, -31.18], [-51.75, -31.15], [-52.0, -31.25], [-52.53, -31.03], [-52.68, -30.68], [-53.03, -30.53], [-53.25, -30.0]]]]}, "2019-02-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-53.25, -30.0], [-53.03, -29.47], [-52.5, -29.25], [-52.0, -29.46], [-51.5, -29.25], [-51.25, -29.35], [-51.0, -29.25], [-50.75, -29.35], [-50.5, -29.25], [-50.25, -29.35], [-50.0, -29.25], [-49.47, -29.47], [-49.25, -30.0], [-49.46, -30.5], [-49.32, -30.82], [-49.25, -30.85], [-49.18, -30.82], [-49.03, -30.47], [-48.5, -30.25], [-47.97, -30.47], [-47.75, -31.0], [-47.97, -31.53], [-48.32, -31.68], [-48.47, -32.03], [-49.0, -32.25], [-49.25, -32.15], [-49.32, -32.18], [-49.35, -32.25], [-49.25, -32.5], [-49.35, -32.75], [-49.25, -33.0], [-49.35, -33.25], [-49.25, -33.5], [-49.47, -34.03], [-50.0, -34.25], [-50.25, -34.15], [-50.5, -34.25], [-51.03, -34.03], [-51.25, -33.5], [-51.15, -33.25], [-51.25, -33.0], [-51.15, -32.75], [-51.25, -32.5], [-51.15, -32.25], [-51.25, -32.0], [-51.12, -31.7], [-51.53, -31.53], [-51.68, -31.18], [-51.75, -31.15], [-52.0, -31.25], [-52.53, -31.03], [-52.68, -30.68], [-53.03, -30.53], [-53.25, -30.0]]]]}, "2019-02-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-51.5, -29.25], [-51.25, -29.35], [-51.0, -29.25], [-50.75, -29.35], [-50.5, -29.25], [-50.25, -29.35], [-50.0, -29.25], [-49.47, -29.47], [-49.25, -30.0], [-49.46, -30.5], [-49.32, -30.82], [-49.25, -30.85], [-49.18, -30.82], [-49.03, -30.47], [-48.5, -30.25], [-47.97, -30.47], [-47.75, -31.0], [-47.97, -31.53], [-48.32, -31.68], [-48.47, -32.03], [-49.0, -32.25], [-49.25, -32.15], [-49.32, -32.18], [-49.35, -32.25], [-49.25, -32.5], [-49.35, -32.75], [-49.25, -33.0], [-49.35, -33.25], [-49.25, -33.5], [-49.47, -34.03], [-50.0, -34.25], [-50.25, -34.15], [-50.5, -34.25], [-51.03, -34.03], [-51.25, -33.5], [-51.15, -33.25], [-51.25, -33.0], [-51.15, -32.75], [-51.25, -32.5], [-51.15, -32.25], [-51.25, -32.0], [-51.12, -31.7], [-51.53, -31.53], [-51.68, -31.18], [-51.75, -31.15], [-52.0, -31.25], [-52.53, -31.03], [-52.75, -30.5], [-52.53, -29.97], [-52.18, -29.82], [-52.03, -29.47], [-51.5, -29.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.335124719187036}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.909017190863919}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.95247946762254, 26.68421675527651, 26.84674376631125, 26.606140964692827]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.95247946762254, 30.307789614354363, 29.388724717200432, 27.856798836644543]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.76482453656439, 2.7842497178732772, 3.0330902106805464, 2.916611030108102]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.76482453656439, 5.335124719187036, 4.603261674138821, 3.6198554655259727]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2644642443382295, 1.5400952177928757, 1.725611429615939, 1.7113809454196525]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.2644642443382295, 2.3567429566408125, 2.1411194485784586, 1.9379018961606995]}}