{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:18:12.714073", "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-Sep-23_to_2018-Sep-27_312.0_-21.0"}, "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": 2018090002619}, "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": "September 23 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 27 2018"}, "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": 77734.98147041528}, "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": -21.0}, "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": 312.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "312.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 310.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 316.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -22.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -19.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-09-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-45.0, -20.25], [-44.47, -20.47], [-44.25, -21.0], [-44.47, -21.53], [-45.0, -21.75], [-45.53, -21.53], [-45.75, -21.0], [-45.53, -20.47], [-45.0, -20.25]]]]}, "2018-09-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-50.03, -21.03], [-50.25, -20.5], [-50.03, -19.97], [-49.5, -19.75], [-49.25, -19.85], [-49.0, -19.75], [-48.75, -19.85], [-48.5, -19.75], [-48.25, -19.85], [-48.18, -19.82], [-48.03, -19.47], [-47.5, -19.25], [-46.97, -19.47], [-46.82, -19.82], [-46.47, -19.97], [-46.25, -20.5], [-46.35, -20.75], [-46.32, -20.82], [-46.25, -20.85], [-46.0, -20.75], [-45.75, -20.85], [-45.68, -20.82], [-45.53, -20.47], [-45.0, -20.25], [-44.47, -20.47], [-44.25, -21.0], [-44.43, -21.43], [-44.0, -21.25], [-43.47, -21.47], [-43.25, -22.0], [-43.47, -22.53], [-43.82, -22.68], [-43.97, -23.03], [-44.5, -23.25], [-44.75, -23.15], [-45.0, -23.25], [-45.53, -23.03], [-45.68, -22.68], [-45.75, -22.65], [-46.0, -22.75], [-46.25, -22.65], [-46.5, -22.75], [-46.75, -22.65], [-47.0, -22.75], [-47.53, -22.53], [-47.68, -22.18], [-47.75, -22.15], [-47.82, -22.18], [-47.97, -22.53], [-48.5, -22.75], [-49.03, -22.53], [-49.25, -22.0], [-49.04, -21.5], [-49.18, -21.18], [-49.25, -21.15], [-49.5, -21.25], [-50.03, -21.03]]]]}, "2018-09-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-50.03, -21.03], [-50.25, -20.5], [-50.03, -19.97], [-49.5, -19.75], [-49.25, -19.85], [-49.0, -19.75], [-48.75, -19.85], [-48.5, -19.75], [-48.25, -19.85], [-48.18, -19.82], [-48.03, -19.47], [-47.5, -19.25], [-46.97, -19.47], [-46.82, -19.82], [-46.47, -19.97], [-46.25, -20.5], [-46.35, -20.75], [-46.32, -20.82], [-46.25, -20.85], [-46.0, -20.75], [-45.75, -20.85], [-45.68, -20.82], [-45.53, -20.47], [-45.0, -20.25], [-44.47, -20.47], [-44.25, -21.0], [-44.43, -21.43], [-44.0, -21.25], [-43.47, -21.47], [-43.25, -22.0], [-43.47, -22.53], [-43.82, -22.68], [-43.97, -23.03], [-44.5, -23.25], [-44.75, -23.15], [-45.0, -23.25], [-45.53, -23.03], [-45.68, -22.68], [-45.75, -22.65], [-46.0, -22.75], [-46.25, -22.65], [-46.5, -22.75], [-46.75, -22.65], [-47.0, -22.75], [-47.53, -22.53], [-47.68, -22.18], [-47.75, -22.15], [-47.82, -22.18], [-47.97, -22.53], [-48.5, -22.75], [-49.03, -22.53], [-49.25, -22.0], [-49.04, -21.5], [-49.18, -21.18], [-49.25, -21.15], [-49.5, -21.25], [-50.03, -21.03]]]]}, "2018-09-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-50.03, -21.03], [-50.25, -20.5], [-50.03, -19.97], [-49.5, -19.75], [-49.25, -19.85], [-49.0, -19.75], [-48.75, -19.85], [-48.5, -19.75], [-48.25, -19.85], [-48.18, -19.82], [-48.03, -19.47], [-47.5, -19.25], [-46.97, -19.47], [-46.82, -19.82], [-46.47, -19.97], [-46.25, -20.5], [-46.35, -20.75], [-46.32, -20.82], [-46.25, -20.85], [-46.0, -20.75], [-45.75, -20.85], [-45.5, -20.75], [-44.97, -20.97], [-44.82, -21.32], [-44.5, -21.46], [-44.0, -21.25], [-43.47, -21.47], [-43.25, -22.0], [-43.47, -22.53], [-43.82, -22.68], [-43.97, -23.03], [-44.5, -23.25], [-44.75, -23.15], [-45.0, -23.25], [-45.53, -23.03], [-45.68, -22.68], [-45.75, 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-22.18], [-46.47, -22.53], [-47.0, -22.75], [-47.53, -22.53], [-47.68, -22.18], [-47.75, -22.15], [-48.0, -22.25], [-48.53, -22.03], [-48.75, -21.5], [-48.65, -21.25], [-48.75, -21.0], [-48.53, -20.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.632089763836518}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.115015159363659}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [23.920046246591767, 26.161436303439643, 26.258522764466875, 25.998579903897166, 25.559320149610244]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [23.920046246591767, 29.45260579964878, 29.77953308863215, 29.712753691973205, 28.651253039740823]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.9569024008706606, 4.196473830344943, 4.311204266226957, 3.9575560776268333, 3.9903239861329243]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.9569024008706606, 5.632089763836518, 5.522947290822458, 5.403799263321048, 4.54442508441133]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2977854838514784, 1.655033532331589, 1.629253716855336, 1.489406076764574, 1.583796657852134]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.2977854838514784, 1.9641144456985855, 1.941615451370348, 1.810285797615475, 1.7069271964341883]}}