{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:31:33.546078", "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-Jun-22_to_2022-Jun-25_309.5_-26.5"}, "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": 2022060002427}, "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": "June 22 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 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": 150813.28339152219}, "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": []}, "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": -26.5}, "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": 309.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "309.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 306.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 311.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -27.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -23.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-06-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-54.15, -25.25], [-54.25, -25.0], [-54.04, -24.5], [-54.25, -24.0], [-54.03, -23.47], [-53.5, -23.25], [-53.25, -23.35], [-53.0, -23.25], [-52.75, -23.35], [-52.5, -23.25], [-52.25, -23.35], [-52.0, -23.25], [-51.5, -23.46], [-51.18, -23.32], [-51.03, -22.97], [-50.5, -22.75], [-49.97, -22.97], [-49.75, -23.5], [-49.85, -23.75], [-49.82, -23.82], [-49.75, -23.85], [-49.5, -23.75], [-48.97, -23.97], [-48.82, -24.32], [-48.47, -24.47], [-48.25, -25.0], [-48.35, -25.25], [-48.25, -25.5], [-48.35, -25.75], [-48.25, -26.0], [-48.47, -26.53], [-48.82, -26.68], [-48.97, -27.03], [-49.5, -27.25], [-49.75, -27.15], [-49.82, -27.18], [-49.97, -27.53], [-50.5, -27.75], [-50.75, -27.65], [-51.0, -27.75], [-51.25, -27.65], [-51.5, -27.75], [-52.03, -27.53], [-52.18, -27.18], [-52.25, -27.15], [-52.5, -27.25], [-53.03, -27.03], [-53.18, -26.68], [-53.25, -26.65], [-53.5, -26.75], [-54.03, -26.53], [-54.25, -26.0], [-54.15, -25.75], [-54.25, -25.5], [-54.15, -25.25]]]]}, "2022-06-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-54.15, -25.25], [-54.25, -25.0], [-54.04, -24.5], [-54.25, -24.0], [-54.03, -23.47], [-53.5, -23.25], [-53.25, -23.35], [-53.0, -23.25], [-52.75, -23.35], [-52.5, -23.25], [-52.25, -23.35], [-52.0, -23.25], [-51.5, -23.46], [-51.18, -23.32], [-51.03, -22.97], [-50.5, -22.75], [-49.97, -22.97], [-49.75, -23.5], [-49.85, -23.75], [-49.82, -23.82], [-49.75, -23.85], [-49.5, -23.75], [-48.97, -23.97], [-48.82, -24.32], [-48.47, -24.47], [-48.25, -25.0], [-48.35, -25.25], [-48.25, -25.5], [-48.35, -25.75], [-48.25, -26.0], [-48.47, -26.53], [-48.82, -26.68], [-48.97, -27.03], [-49.5, -27.25], [-49.75, -27.15], [-49.82, -27.18], [-49.97, -27.53], [-50.5, -27.75], [-50.75, -27.65], [-51.0, -27.75], [-51.25, -27.65], [-51.5, -27.75], [-52.03, -27.53], [-52.18, -27.18], [-52.25, -27.15], [-52.5, -27.25], [-53.03, -27.03], [-53.18, -26.68], [-53.25, -26.65], [-53.5, -26.75], [-54.03, -26.53], [-54.25, -26.0], [-54.15, -25.75], [-54.25, -25.5], [-54.15, -25.25]]]]}, "2022-06-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-54.15, -25.25], [-54.25, -25.0], [-54.04, -24.5], [-54.25, -24.0], [-54.03, -23.47], [-53.5, -23.25], [-53.25, -23.35], [-53.0, -23.25], [-52.75, -23.35], [-52.5, -23.25], [-52.25, -23.35], [-52.0, -23.25], [-51.5, -23.46], [-51.18, -23.32], [-51.03, -22.97], [-50.5, -22.75], [-49.97, -22.97], [-49.75, -23.5], [-49.85, -23.75], [-49.82, -23.82], [-49.75, -23.85], [-49.5, -23.75], [-48.97, -23.97], [-48.82, -24.32], [-48.47, -24.47], [-48.25, -25.0], [-48.35, -25.25], [-48.25, -25.5], [-48.35, -25.75], [-48.25, -26.0], [-48.47, -26.53], [-48.82, -26.68], [-48.97, -27.03], [-49.5, -27.25], [-49.75, -27.15], [-49.82, -27.18], [-49.97, -27.53], [-50.5, -27.75], [-50.75, -27.65], [-51.0, -27.75], [-51.25, -27.65], [-51.5, -27.75], [-52.03, -27.53], [-52.18, -27.18], [-52.25, -27.15], [-52.5, -27.25], [-53.03, -27.03], [-53.18, -26.68], [-53.25, -26.65], [-53.5, -26.75], [-54.03, -26.53], [-54.25, -26.0], [-54.15, -25.75], [-54.25, -25.5], 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"The daily evolution of mean t2m.", "value": [19.27949641710586, 19.463910167352424, 18.735449631448944, 17.928995066156403]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [23.54104140776201, 22.399494533629934, 22.56106804212692, 18.696956838676726]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.552471884137251, 4.747967813344801, 4.022428540356726, 3.402672719197483]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.660943671735083, 6.429700420696804, 5.0795818715996575, 3.7400641907053114]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.512682118616092, 1.5731555786301283, 1.3028736036266229, 1.169559730711635]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8259191040078355, 2.203944817792963, 1.6121041501142148, 1.2196250521499887]}}