{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:54:50.954843", "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": "2013-Nov-07_to_2013-Nov-09_284.0_-49.5"}, "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": 2013110000422}, "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 07 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 09 2013"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": "Cold spell"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 68309.74842325403}, "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": ["Chile"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.South-America", "S.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": ["South Pacific Ocean"]}, "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": -49.5}, "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": 284.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "284.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 280.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 284.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -49.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -46.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-11-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-79.65, -47.25], [-79.75, -47.0], [-79.53, -46.47], [-79.18, -46.32], [-79.03, -45.97], [-78.5, -45.75], [-77.97, -45.97], [-77.8, -46.38], [-77.5, -46.25], [-77.25, -46.35], [-77.0, -46.25], [-76.75, -46.35], [-76.5, -46.25], [-75.97, -46.47], [-75.82, -46.82], [-75.75, -46.85], [-75.5, -46.75], [-74.97, -46.97], [-74.75, -47.5], [-74.96, -48.0], [-74.75, -48.5], [-74.97, -49.03], [-75.32, -49.18], [-75.35, -49.25], [-75.25, -49.5], [-75.47, -50.03], [-76.0, -50.25], [-76.53, -50.03], [-76.68, -49.68], [-76.75, -49.65], [-77.0, -49.75], [-77.25, -49.65], [-77.5, -49.75], [-78.03, -49.53], [-78.18, -49.18], [-78.25, -49.15], [-78.5, -49.25], [-79.03, -49.03], [-79.18, -48.68], [-79.53, -48.53], [-79.75, -48.0], [-79.65, -47.75], [-79.75, -47.5], [-79.65, -47.25]]]]}, "2013-11-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-79.65, -47.25], [-79.75, -47.0], [-79.53, -46.47], [-79.18, -46.32], [-79.03, -45.97], [-78.5, -45.75], [-77.97, -45.97], [-77.8, -46.38], [-77.5, -46.25], [-77.25, -46.35], [-77.0, -46.25], [-76.75, -46.35], [-76.5, -46.25], [-75.97, -46.47], [-75.82, -46.82], [-75.75, -46.85], [-75.5, -46.75], [-74.97, -46.97], [-74.75, -47.5], [-74.96, -48.0], [-74.75, -48.5], [-74.97, -49.03], [-75.32, -49.18], [-75.35, -49.25], [-75.25, -49.5], [-75.47, -50.03], [-76.0, -50.25], [-76.53, -50.03], [-76.68, -49.68], [-76.75, -49.65], [-77.0, -49.75], [-77.25, -49.65], [-77.5, -49.75], [-78.03, -49.53], [-78.18, -49.18], [-78.25, -49.15], [-78.5, -49.25], [-79.03, -49.03], [-79.18, -48.68], [-79.53, -48.53], [-79.75, -48.0], [-79.65, -47.75], [-79.75, -47.5], [-79.65, -47.25]]]]}, "2013-11-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-79.65, -47.25], [-79.75, -47.0], [-79.53, -46.47], [-79.18, -46.32], [-79.03, -45.97], [-78.5, -45.75], [-77.97, -45.97], [-77.8, -46.38], [-77.5, -46.25], [-77.25, -46.35], [-77.0, -46.25], [-76.75, -46.35], [-76.5, -46.25], [-75.97, -46.47], [-75.82, -46.82], [-75.75, -46.85], [-75.5, -46.75], [-74.97, -46.97], [-74.75, -47.5], [-74.96, -48.0], [-74.75, -48.5], [-74.97, -49.03], [-75.32, -49.18], [-75.35, -49.25], [-75.25, -49.5], [-75.47, -50.03], [-76.0, -50.25], [-76.53, -50.03], [-76.68, -49.68], [-76.75, -49.65], [-77.0, -49.75], [-77.25, -49.65], [-77.5, -49.75], [-78.03, -49.53], [-78.18, -49.18], [-78.25, -49.15], [-78.5, -49.25], [-79.03, -49.03], [-79.18, -48.68], [-79.53, -48.53], [-79.75, -48.0], [-79.65, -47.75], [-79.75, -47.5], [-79.65, -47.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -2.7459463471674326}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -1.8423015221113896}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [6.7642409493812465, 6.302710210892371, 6.7951074625646015]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [5.646536717290132, 5.361324823030941, 5.800664029647635]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-1.6548652664311503, -2.1667737626439774, -1.7052655372590415]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-2.3890594011189137, -2.7459463471674326, -2.383765249091141]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.5325104352644485, -2.034652514046912, -1.6552279530979404]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.9513451782408513, -2.300466644461934, -1.9613533753852337]}}