{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:04:17.202950", "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": "2015-Nov-21_to_2015-Nov-24_308.0_-9.5"}, "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": 2015110002077}, "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": "November 21 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 24 2015"}, "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": 159419.03686377383}, "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": ["South-American-Monsoon"]}, "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": -9.5}, "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": 308.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "308.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 305.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 309.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -16.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -9.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-11-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-52.03, -13.03], [-52.25, -12.5], [-52.03, -11.97], [-51.5, -11.75], [-50.97, -11.97], [-50.75, -12.5], [-50.97, -13.03], [-51.5, -13.25], [-52.03, -13.03]]], [[[-53.75, -10.0], [-53.53, -9.47], [-53.0, -9.25], [-52.75, -9.35], [-52.68, -9.32], [-52.53, -8.97], [-52.0, -8.75], [-51.47, -8.97], [-51.32, -9.32], [-51.25, -9.35], [-51.0, -9.25], [-50.47, -9.47], [-50.25, -10.0], [-50.46, -10.5], [-50.25, -11.0], [-50.47, -11.53], [-51.0, -11.75], [-51.53, -11.53], [-51.68, -11.18], [-51.75, -11.15], [-52.0, -11.25], [-52.53, -11.03], [-52.68, -10.68], [-52.75, -10.65], [-53.0, -10.75], [-53.53, -10.53], [-53.75, -10.0]]]]}, "2015-11-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-54.75, -13.5], [-54.53, -12.97], [-54.0, -12.75], [-53.75, -12.85], [-53.62, -12.8], [-53.68, -12.68], [-54.03, -12.53], [-54.25, -12.0], [-54.15, -11.75], [-54.25, -11.5], [-54.03, -10.97], [-53.5, -10.75], [-52.97, -10.97], [-52.75, -11.5], [-52.85, -11.75], [-52.82, -11.82], [-52.47, -11.97], [-52.32, -12.32], [-52.25, -12.35], [-52.18, -12.32], [-52.03, -11.97], [-51.68, -11.82], [-51.65, -11.75], [-51.68, -11.68], [-51.75, -11.65], [-52.0, -11.75], [-52.53, -11.53], [-52.75, -11.0], [-52.65, -10.75], [-52.68, -10.68], [-52.75, -10.65], [-53.0, -10.75], [-53.53, -10.53], [-53.75, -10.0], [-53.53, -9.47], [-53.0, -9.25], [-52.75, -9.35], [-52.68, -9.32], [-52.53, -8.97], [-52.0, -8.75], [-51.47, -8.97], [-51.32, -9.32], [-51.25, -9.35], [-51.0, -9.25], [-50.47, -9.47], [-50.25, -10.0], [-50.35, -10.25], [-50.25, -10.5], [-50.35, -10.75], [-50.25, -11.0], [-50.35, -11.25], [-50.25, -11.5], [-50.35, -11.75], [-50.25, -12.0], [-50.46, -12.5], [-50.25, -13.0], [-50.35, -13.25], [-50.25, -13.5], [-50.35, -13.75], [-50.25, -14.0], [-50.35, -14.25], [-50.25, -14.5], [-50.46, -15.0], [-50.25, -15.5], [-50.35, -15.75], [-50.32, -15.82], [-49.97, -15.97], [-49.75, -16.5], [-49.97, -17.03], [-50.5, -17.25], [-51.03, -17.03], [-51.18, -16.68], [-51.25, -16.65], [-51.5, -16.75], [-52.03, -16.53], [-52.2, -16.12], [-52.5, -16.25], [-52.75, -16.15], [-53.0, -16.25], [-53.53, -16.03], [-53.68, -15.68], [-54.03, -15.53], [-54.25, -15.0], [-54.15, -14.75], [-54.25, -14.5], [-54.15, -14.25], [-54.18, -14.18], [-54.53, -14.03], [-54.75, -13.5]]]]}, "2015-11-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-54.75, -13.5], [-54.53, -12.97], [-54.0, -12.75], [-53.75, -12.85], [-53.62, -12.8], [-53.68, -12.68], [-54.03, -12.53], [-54.25, -12.0], [-54.15, -11.75], [-54.25, -11.5], [-54.03, -10.97], [-53.5, -10.75], [-52.97, -10.97], [-52.75, -11.5], [-52.85, -11.75], [-52.82, -11.82], [-52.47, -11.97], [-52.32, -12.32], [-52.25, -12.35], [-52.18, -12.32], [-52.03, -11.97], [-51.68, -11.82], [-51.65, -11.75], [-51.68, -11.68], [-51.75, -11.65], [-52.0, -11.75], [-52.53, -11.53], [-52.75, -11.0], [-52.65, -10.75], [-52.68, -10.68], [-52.75, -10.65], [-53.0, -10.75], [-53.53, -10.53], [-53.75, -10.0], [-53.53, -9.47], [-53.0, -9.25], [-52.75, -9.35], [-52.68, -9.32], [-52.53, -8.97], [-52.0, -8.75], [-51.47, -8.97], [-51.32, -9.32], [-51.25, -9.35], [-51.0, -9.25], [-50.47, -9.47], [-50.25, -10.0], [-50.35, -10.25], [-50.25, -10.5], [-50.35, -10.75], [-50.25, -11.0], [-50.35, -11.25], [-50.25, -11.5], [-50.35, -11.75], [-50.25, -12.0], [-50.46, -12.5], [-50.25, -13.0], [-50.35, -13.25], [-50.25, -13.5], [-50.35, -13.75], [-50.25, -14.0], [-50.35, -14.25], [-50.25, -14.5], [-50.46, -15.0], [-50.25, -15.5], [-50.35, -15.75], [-50.32, -15.82], [-49.97, -15.97], [-49.75, -16.5], [-49.97, -17.03], [-50.5, -17.25], [-51.03, -17.03], [-51.18, -16.68], [-51.25, -16.65], [-51.5, -16.75], [-52.03, -16.53], [-52.2, -16.12], [-52.5, -16.25], [-52.75, -16.15], [-53.0, -16.25], [-53.53, -16.03], [-53.68, -15.68], [-54.03, -15.53], [-54.25, -15.0], [-54.15, -14.75], [-54.25, -14.5], [-54.15, -14.25], [-54.18, -14.18], [-54.53, -14.03], [-54.75, -13.5]]]]}, "2015-11-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-54.75, -13.5], [-54.53, -12.97], [-54.0, -12.75], [-53.75, -12.85], [-53.62, -12.8], [-53.68, -12.68], [-54.03, -12.53], [-54.25, -12.0], [-54.15, -11.75], [-54.25, -11.5], [-54.03, -10.97], [-53.5, -10.75], [-52.97, -10.97], [-52.75, -11.5], [-52.85, -11.75], [-52.82, -11.82], [-52.47, -11.97], [-52.32, -12.32], [-52.25, -12.35], [-52.18, -12.32], [-52.03, -11.97], [-51.68, -11.82], [-51.65, -11.75], [-51.68, -11.68], [-51.75, -11.65], [-52.0, -11.75], [-52.53, -11.53], [-52.75, -11.0], [-52.65, -10.75], [-52.68, -10.68], [-52.75, -10.65], [-53.0, -10.75], [-53.53, -10.53], [-53.75, -10.0], [-53.53, -9.47], [-53.0, -9.25], [-52.75, -9.35], [-52.68, -9.32], [-52.53, -8.97], [-52.0, -8.75], [-51.47, -8.97], [-51.32, -9.32], [-51.25, -9.35], [-51.0, -9.25], [-50.47, -9.47], [-50.25, -10.0], [-50.35, -10.25], [-50.25, -10.5], [-50.35, -10.75], [-50.25, -11.0], [-50.35, -11.25], [-50.25, -11.5], [-50.35, -11.75], [-50.25, -12.0], [-50.46, -12.5], [-50.25, -13.0], [-50.35, -13.25], [-50.25, -13.5], [-50.35, -13.75], [-50.25, -14.0], [-50.35, -14.25], [-50.25, -14.5], [-50.46, -15.0], [-50.25, -15.5], [-50.35, -15.75], [-50.32, -15.82], [-49.97, -15.97], [-49.75, -16.5], [-49.97, -17.03], [-50.5, -17.25], [-51.03, -17.03], [-51.18, -16.68], [-51.25, -16.65], [-51.5, -16.75], [-52.03, -16.53], [-52.2, -16.12], [-52.5, -16.25], [-52.75, -16.15], [-53.0, -16.25], [-53.53, -16.03], [-53.68, -15.68], [-54.03, -15.53], [-54.25, -15.0], [-54.15, -14.75], [-54.25, -14.5], [-54.15, -14.25], [-54.18, -14.18], [-54.53, -14.03], [-54.75, -13.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.9569068173873916}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.1953168683654587}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.242380650661687, 28.301566777815765, 28.05490664736675, 27.81879422440528]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.31715628441026, 29.89228863359523, 30.044311050024646, 29.124447737173455]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.8500262445210125, 2.4529017375591784, 2.2184858510753815, 1.9797121907720885]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.1934074002276702, 3.248095992203332, 3.9569068173873916, 2.7627286452951125]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.8857473554423876, 2.1299561516856995, 1.9189228490694903, 1.712707118081352]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.3987377762051008, 3.1862031104565887, 3.2720974600302224, 2.680876888629888]}}