{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:18:42.274816", "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": "2020-Jan-23_to_2020-Jan-26_308.0_-4.5"}, "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": 2020010002168}, "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": "January 23 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 26 2020"}, "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": 129327.63151511691}, "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": ["N.E.South-America", "N.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": -4.5}, "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": 306.25}, "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": -6.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -3.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-01-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-52.53, -3.47], [-52.0, -3.25], [-51.47, -3.47], [-51.32, -3.82], [-50.97, -3.97], [-50.75, -4.5], [-50.97, -5.03], [-51.5, -5.25], [-51.75, -5.15], [-52.0, -5.25], [-52.53, -5.03], [-52.75, -4.5], [-52.65, -4.25], [-52.75, -4.0], [-52.53, -3.47]]]]}, "2020-01-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-54.25, -4.5], [-54.03, -3.97], [-53.68, -3.82], [-53.65, -3.75], [-53.75, -3.5], [-53.53, -2.97], [-53.0, -2.75], [-52.47, -2.97], [-52.32, -3.32], [-52.25, -3.35], [-52.0, -3.25], [-51.47, -3.47], [-51.32, -3.82], [-51.25, -3.85], [-51.0, -3.75], [-50.75, -3.85], [-50.68, -3.82], [-50.53, -3.47], [-50.0, -3.25], [-49.75, -3.35], [-49.5, -3.25], [-49.25, -3.35], [-49.0, -3.25], [-48.47, -3.47], [-48.32, -3.82], [-47.97, -3.97], [-47.75, -4.5], [-47.85, -4.75], [-47.75, -5.0], [-47.97, -5.53], [-48.32, -5.68], [-48.47, -6.03], [-49.0, -6.25], [-49.25, -6.15], [-49.5, -6.25], [-49.75, -6.15], [-50.0, -6.25], [-50.43, -6.07], [-50.25, -6.5], [-50.47, -7.03], [-51.0, -7.25], [-51.25, -7.15], [-51.5, -7.25], [-51.75, -7.15], [-52.0, -7.25], [-52.53, -7.03], [-52.68, -6.68], [-53.03, -6.53], [-53.18, -6.18], [-53.53, -6.03], [-53.75, -5.5], [-53.65, -5.25], [-53.68, -5.18], [-54.03, -5.03], [-54.25, -4.5]]]]}, "2020-01-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-54.25, -4.5], [-54.03, -3.97], [-53.68, -3.82], [-53.65, -3.75], [-53.75, -3.5], [-53.53, -2.97], [-53.0, -2.75], [-52.47, -2.97], [-52.32, -3.32], [-52.25, -3.35], [-52.0, -3.25], [-51.47, -3.47], [-51.32, -3.82], [-51.25, -3.85], [-51.0, -3.75], [-50.75, -3.85], [-50.68, -3.82], [-50.53, -3.47], [-50.0, -3.25], [-49.75, -3.35], [-49.5, -3.25], [-49.25, -3.35], [-49.0, -3.25], [-48.47, -3.47], [-48.32, -3.82], [-47.97, -3.97], [-47.75, -4.5], [-47.85, -4.75], [-47.75, -5.0], [-47.97, -5.53], [-48.32, -5.68], [-48.47, -6.03], [-49.0, -6.25], [-49.25, -6.15], [-49.5, -6.25], [-49.75, -6.15], [-50.0, -6.25], [-50.43, -6.07], [-50.25, -6.5], [-50.47, -7.03], [-51.0, -7.25], [-51.25, -7.15], [-51.5, -7.25], [-51.75, -7.15], [-52.0, -7.25], [-52.53, -7.03], [-52.68, -6.68], [-53.03, -6.53], [-53.18, -6.18], [-53.53, -6.03], [-53.75, -5.5], [-53.65, -5.25], [-53.68, -5.18], [-54.03, -5.03], [-54.25, -4.5]]]]}, "2020-01-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-54.25, -4.5], [-54.03, -3.97], [-53.68, -3.82], [-53.65, -3.75], [-53.75, -3.5], [-53.53, -2.97], [-53.0, -2.75], [-52.47, -2.97], [-52.32, -3.32], [-51.97, -3.47], [-51.82, -3.82], [-51.75, -3.85], [-51.5, -3.75], [-51.25, -3.85], [-51.0, -3.75], [-50.75, -3.85], [-50.68, -3.82], [-50.53, -3.47], [-50.0, -3.25], [-49.75, -3.35], [-49.5, -3.25], [-49.25, -3.35], [-49.0, -3.25], [-48.47, -3.47], [-48.32, -3.82], [-47.97, -3.97], [-47.75, -4.5], [-47.85, -4.75], [-47.75, -5.0], [-47.97, -5.53], [-48.32, -5.68], [-48.47, -6.03], [-49.0, -6.25], [-49.25, -6.15], [-49.5, -6.25], [-49.75, -6.15], [-50.0, -6.25], [-50.43, -6.07], [-50.25, -6.5], [-50.47, -7.03], [-51.0, -7.25], [-51.25, -7.15], [-51.5, -7.25], [-51.75, -7.15], [-52.0, -7.25], [-52.53, -7.03], [-52.68, -6.68], [-53.03, -6.53], [-53.18, -6.18], [-53.53, -6.03], [-53.75, -5.5], [-53.65, -5.25], [-53.68, -5.18], [-54.03, -5.03], [-54.25, -4.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.5961487806650325}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.8057353500305209}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.368383965398436, 27.209471826766332, 27.157381953068693, 26.671054286544916]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.532077702284198, 27.987318916851166, 28.427553605067317, 27.77273284984642]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.3824986490388749, 1.996738232196056, 1.957235270581151, 1.4858473595157888]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.4477651838558359, 2.5961487806650325, 2.286021324168871, 1.847687327844369]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4205305504640011, 2.1411983552967344, 2.142382441286192, 1.6412093430245327]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4674863517633687, 2.83223802005806, 2.441990725353536, 1.9411756485336296]}}