{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:17:42.895111", "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": "2018-Jul-27_to_2018-Jul-30_310.0_-23.0"}, "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": 2018070003133}, "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 27 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 30 2018"}, "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": 171467.80234863056}, "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": -23.0}, "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": 310.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "310.0\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": 313.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -24.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -20.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-07-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-48.03, -24.03], [-48.25, -23.5], [-48.03, -22.97], [-47.5, -22.75], [-46.97, -22.97], [-46.75, -23.5], [-46.97, -24.03], [-47.5, -24.25], [-48.03, -24.03]]], [[[-52.68, -21.82], [-52.65, -21.75], [-52.75, -21.5], [-52.53, -20.97], [-52.0, -20.75], [-51.75, -20.85], [-51.5, -20.75], [-51.0, -20.96], [-50.5, -20.75], [-50.25, -20.85], [-50.0, -20.75], [-49.47, -20.97], [-49.25, -21.5], [-49.35, -21.75], [-49.25, -22.0], [-49.46, -22.5], [-49.25, -23.0], [-49.35, -23.25], [-49.25, -23.5], [-49.47, -24.03], [-50.0, -24.25], [-50.25, -24.15], [-50.37, -24.2], [-50.25, -24.5], [-50.47, -25.03], [-51.0, -25.25], [-51.53, -25.03], [-51.68, -24.68], [-52.03, -24.53], [-52.25, -24.0], [-52.15, -23.75], [-52.18, -23.68], [-52.53, -23.53], [-52.68, -23.18], [-53.03, -23.03], [-53.25, -22.5], [-53.03, -21.97], [-52.68, -21.82]]], [[[-47.75, -22.0], [-47.97, -22.53], [-48.5, -22.75], [-49.03, -22.53], [-49.25, -22.0], [-49.03, -21.47], [-48.5, -21.25], [-47.97, -21.47], [-47.75, -22.0]]]]}, "2018-07-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-53.25, -22.5], [-53.03, -21.97], [-52.68, -21.82], [-52.65, -21.75], [-52.75, -21.5], [-52.53, -20.97], [-52.0, -20.75], [-51.75, -20.85], [-51.62, -20.8], [-51.75, -20.5], [-51.53, -19.97], [-51.0, -19.75], [-50.75, -19.85], [-50.5, -19.75], [-50.25, -19.85], [-50.0, -19.75], [-49.75, -19.85], [-49.5, -19.75], [-48.97, -19.97], [-48.75, -20.5], [-48.85, -20.75], [-48.82, -20.82], [-48.75, -20.85], [-48.5, -20.75], [-48.25, -20.85], [-48.0, -20.75], [-47.47, -20.97], [-47.3, -21.38], [-47.0, -21.25], [-46.47, -21.47], [-46.32, -21.82], [-45.97, -21.97], [-45.75, -22.5], [-45.97, -23.03], [-46.32, -23.18], [-46.35, -23.25], [-46.25, -23.5], [-46.47, -24.03], [-47.0, -24.25], [-47.25, -24.15], [-47.5, -24.25], [-48.0, -24.04], [-48.32, -24.18], [-48.47, -24.53], [-49.0, -24.75], [-49.53, -24.53], [-49.68, -24.18], [-49.75, -24.15], [-50.0, -24.25], [-50.25, -24.15], [-50.37, -24.2], [-50.25, -24.5], [-50.47, -25.03], [-51.0, -25.25], [-51.53, -25.03], [-51.68, -24.68], [-52.03, -24.53], [-52.25, -24.0], [-52.15, -23.75], [-52.18, -23.68], [-52.53, -23.53], [-52.68, -23.18], [-53.03, -23.03], [-53.25, -22.5]]]]}, "2018-07-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-53.25, -22.5], [-53.03, -21.97], [-52.68, -21.82], [-52.65, -21.75], [-52.75, -21.5], [-52.53, -20.97], [-52.0, -20.75], [-51.75, -20.85], [-51.62, -20.8], [-51.75, -20.5], [-51.53, -19.97], [-51.0, -19.75], [-50.75, -19.85], [-50.5, -19.75], [-50.25, -19.85], [-50.0, -19.75], [-49.75, -19.85], [-49.5, -19.75], [-48.97, -19.97], [-48.75, -20.5], [-48.85, -20.75], [-48.82, -20.82], [-48.75, -20.85], [-48.5, -20.75], [-48.25, -20.85], [-48.0, -20.75], [-47.47, -20.97], [-47.3, -21.38], [-47.0, -21.25], [-46.47, -21.47], [-46.32, -21.82], [-45.97, -21.97], [-45.75, -22.5], [-45.97, -23.03], [-46.32, -23.18], [-46.35, -23.25], [-46.25, -23.5], [-46.47, -24.03], [-47.0, -24.25], [-47.25, -24.15], [-47.5, -24.25], [-48.0, -24.04], [-48.32, -24.18], [-48.47, 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[25.191977093624644, 26.0272170273941, 26.79291602055696, 26.167546652757096]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.9194859475768604, 3.9262536295767867, 4.553772784547427, 3.5795839381255474]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.675303680675086, 5.3087025335640305, 6.05410414442656, 4.480640091021542]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2136318828141501, 1.3426073730457433, 1.6228365684153316, 1.3786793692473207]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4131239237935247, 1.7773797963626317, 2.183002449406262, 2.031320339677753]}}