{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:06:57.250301", "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": "2016-Dec-19_to_2016-Dec-22_285.5_-3.0"}, "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": 2016120002235}, "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": "December 19 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 22 2016"}, "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": 74135.62303071682}, "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": ["Colombia", "Ecuador", "Peru"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.W.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": -3.0}, "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": 285.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "285.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 281.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 286.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -4.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 0.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-12-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-75.53, -1.47], [-75.0, -1.25], [-74.47, -1.47], [-74.32, 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[-76.25, -2.65], [-76.5, -2.75], [-77.03, -2.53], [-77.18, -2.18], [-77.53, -2.03], [-77.75, -1.5], [-77.65, -1.25], [-77.75, -1.0], [-77.57, -0.57], [-78.0, -0.75], [-78.53, -0.53], [-78.75, 0.0], [-78.65, 0.25], [-78.75, 0.5], [-78.53, 1.03]]]]}, "2016-12-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-78.53, 1.03], [-78.0, 1.25], [-77.75, 1.15], [-77.5, 1.25], [-76.97, 1.03], [-76.82, 0.68], [-76.47, 0.53], [-76.32, 0.18], [-76.25, 0.15], [-76.0, 0.25], [-75.47, 0.03], [-75.25, -0.5], [-75.35, -0.75], [-75.32, -0.82], [-74.97, -0.97], [-74.82, -1.32], [-74.47, -1.47], [-74.32, -1.82], [-73.97, -1.97], [-73.82, -2.32], [-73.47, -2.47], [-73.25, -3.0], [-73.47, -3.53], [-74.0, -3.75], [-74.25, -3.65], [-74.32, -3.68], [-74.35, -3.75], [-74.25, -4.0], [-74.47, -4.53], [-75.0, -4.75], [-75.53, -4.53], [-75.68, -4.18], [-76.03, -4.03], [-76.25, -3.5], [-76.03, -2.97], [-75.68, -2.82], [-75.65, -2.75], [-75.68, -2.68], [-75.75, -2.65], [-76.0, -2.75], [-76.25, -2.65], [-76.5, -2.75], [-77.03, -2.53], [-77.18, -2.18], [-77.53, -2.03], [-77.75, -1.5], [-77.65, -1.25], [-77.75, -1.0], [-77.57, -0.57], [-78.0, -0.75], [-78.53, -0.53], [-78.75, 0.0], [-78.65, 0.25], [-78.75, 0.5], [-78.53, 1.03]]]]}, "2016-12-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-78.53, 1.03], [-78.0, 1.25], [-77.75, 1.15], [-77.5, 1.25], [-76.97, 1.03], [-76.82, 0.68], [-76.47, 0.53], [-76.32, 0.18], [-76.25, 0.15], [-76.0, 0.25], [-75.47, 0.03], [-75.25, -0.5], [-75.35, -0.75], [-75.32, -0.82], [-74.97, -0.97], [-74.82, -1.32], [-74.47, -1.47], [-74.32, -1.82], [-73.97, -1.97], [-73.75, -2.5], [-73.85, -2.75], [-73.75, -3.0], [-73.97, -3.53], [-74.32, -3.68], [-74.35, -3.75], [-74.25, -4.0], [-74.47, -4.53], [-75.0, -4.75], [-75.53, -4.53], [-75.68, -4.18], [-76.03, -4.03], [-76.25, -3.5], [-76.03, -2.97], [-75.68, -2.82], [-75.62, -2.7], [-75.75, -2.65], [-76.0, -2.75], [-76.25, -2.65], [-76.5, -2.75], [-77.03, -2.53], [-77.18, -2.18], [-77.53, -2.03], [-77.75, -1.5], [-77.65, -1.25], [-77.75, -1.0], [-77.57, -0.57], [-78.0, -0.75], [-78.53, -0.53], [-78.75, 0.0], [-78.65, 0.25], [-78.75, 0.5], [-78.53, 1.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.324580759128196}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.7013359375926977}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.952643245687568, 25.569695225150724, 25.7894510582812, 25.248906972885322]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.139551766634497, 27.546161668038337, 27.851321186487553, 27.712483710213007]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.4936533436004424, 1.6835406816791287, 1.919179637509269, 1.5303018609512988]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.6054629715839042, 2.200356789686168, 2.324580759128196, 2.2619543326314897]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.550835419682389, 1.793547028847193, 2.023759171248761, 1.60407478833071]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.692300718448647, 2.2518378810157076, 2.4324740971221757, 2.1052264905075733]}}