{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:56:34.499394", "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": "2014-Jun-05_to_2014-Jun-09_292.5_-49.0"}, "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": 2014060000256}, "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": "June 05 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 09 2014"}, "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": "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": 126546.5322273522}, "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": ["Argentina"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.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 Atlantic 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": -49.0}, "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": 292.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "292.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 290.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 298.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -50.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -44.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-06-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.25, -49.0], [-68.03, -48.47], [-67.5, -48.25], [-67.25, -48.35], [-67.0, -48.25], [-66.47, -48.47], [-66.25, -49.0], [-66.47, -49.53], [-67.0, -49.75], [-67.25, -49.65], [-67.5, -49.75], [-68.03, -49.53], [-68.25, -49.0]]], [[[-67.18, -45.32], [-67.03, -44.97], [-66.5, -44.75], [-66.25, -44.85], [-66.18, -44.82], [-66.03, -44.47], [-65.5, -44.25], [-65.25, -44.35], [-65.0, -44.25], [-64.75, -44.35], [-64.5, -44.25], [-64.25, -44.35], [-64.0, -44.25], [-63.47, -44.47], [-63.32, -44.82], [-63.25, -44.85], [-63.0, -44.75], [-62.47, -44.97], [-62.32, -45.32], [-62.25, -45.35], [-62.0, -45.25], [-61.47, -45.47], [-61.32, -45.82], [-60.97, -45.97], [-60.75, -46.5], [-60.97, -47.03], [-61.5, -47.25], [-61.75, -47.15], [-62.0, -47.25], [-62.25, -47.15], [-62.5, -47.25], [-62.75, -47.15], [-62.82, -47.18], [-62.97, -47.53], [-63.5, -47.75], [-63.75, -47.65], [-63.82, -47.68], [-63.97, -48.03], [-64.32, -48.18], [-64.47, -48.53], [-65.0, -48.75], [-65.25, -48.65], [-65.5, -48.75], [-66.03, -48.53], [-66.18, -48.18], [-66.53, -48.03], [-66.75, -47.5], [-66.65, -47.25], [-66.7, -47.12], [-67.0, -47.25], [-67.53, -47.03], [-67.75, -46.5], [-67.65, -46.25], [-67.75, -46.0], [-67.53, -45.47], [-67.18, -45.32]]]]}, "2014-06-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-67.53, -45.47], [-67.18, -45.32], [-67.03, -44.97], [-66.5, -44.75], [-66.25, -44.85], [-66.18, -44.82], [-66.03, -44.47], [-65.5, -44.25], [-65.25, -44.35], [-65.0, -44.25], [-64.75, -44.35], [-64.5, -44.25], [-64.25, -44.35], [-64.0, -44.25], [-63.47, -44.47], [-63.32, -44.82], [-63.25, -44.85], [-63.0, -44.75], [-62.47, -44.97], [-62.32, -45.32], [-62.25, -45.35], [-62.0, -45.25], [-61.47, -45.47], [-61.32, -45.82], [-60.97, -45.97], [-60.75, -46.5], [-60.97, -47.03], [-61.5, -47.25], [-61.75, -47.15], [-62.0, -47.25], [-62.25, -47.15], [-62.5, -47.25], [-62.75, -47.15], [-62.82, -47.18], [-62.97, -47.53], [-63.5, -47.75], [-63.75, -47.65], [-63.82, -47.68], [-63.97, -48.03], [-64.32, -48.18], [-64.47, -48.53], [-65.0, -48.75], [-65.25, -48.65], [-65.5, -48.75], [-65.75, -48.65], [-66.0, -48.75], [-66.43, -48.57], [-66.25, -49.0], [-66.47, -49.53], [-67.0, -49.75], [-67.25, -49.65], [-67.5, -49.75], [-68.03, -49.53], [-68.25, -49.0], [-68.03, -48.47], [-67.5, -48.25], [-67.25, -48.35], [-67.0, -48.25], [-66.57, -48.43], [-66.75, -48.0], [-66.65, -47.75], [-66.75, -47.5], [-66.65, -47.25], [-66.7, -47.12], [-67.0, -47.25], [-67.53, -47.03], [-67.75, -46.5], [-67.65, -46.25], [-67.75, -46.0], [-67.53, -45.47]]]]}, "2014-06-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-70.03, -50.53], [-70.25, -50.0], [-70.03, -49.47], [-69.5, -49.25], [-69.25, -49.35], [-69.18, -49.32], [-69.03, -48.97], [-68.68, -48.82], [-68.65, -48.75], [-68.75, -48.5], [-68.53, -47.97], [-68.0, -47.75], [-67.75, -47.85], [-67.5, -47.75], [-67.25, -47.85], [-67.0, -47.75], [-66.75, -47.85], [-66.68, -47.82], [-66.65, -47.75], [-66.75, -47.5], [-66.65, -47.25], [-66.7, -47.12], [-67.0, -47.25], [-67.53, -47.03], [-67.75, -46.5], [-67.65, -46.25], [-67.75, -46.0], [-67.53, -45.47], [-67.18, -45.32], [-67.03, -44.97], [-66.5, -44.75], [-66.25, -44.85], [-66.18, -44.82], [-66.03, -44.47], [-65.5, -44.25], [-65.25, -44.35], [-65.0, -44.25], [-64.75, -44.35], [-64.5, -44.25], [-64.25, -44.35], [-64.0, -44.25], [-63.47, -44.47], [-63.32, -44.82], [-63.25, -44.85], [-63.0, -44.75], [-62.47, -44.97], [-62.32, -45.32], [-62.25, -45.35], [-62.0, -45.25], [-61.47, -45.47], [-61.32, -45.82], [-60.97, -45.97], [-60.75, -46.5], [-60.97, -47.03], [-61.5, -47.25], [-61.75, -47.15], [-62.0, -47.25], [-62.25, -47.15], [-62.5, -47.25], [-62.75, -47.15], [-62.82, -47.18], [-62.97, -47.53], [-63.5, -47.75], [-63.75, -47.65], [-63.82, -47.68], [-63.97, -48.03], [-64.32, -48.18], [-64.47, -48.53], [-65.0, -48.75], [-65.25, -48.65], [-65.5, -48.75], [-65.75, -48.65], [-65.82, -48.68], [-65.97, -49.03], [-66.32, -49.18], [-66.47, -49.53], [-67.0, -49.75], [-67.25, -49.65], [-67.32, -49.68], [-67.35, -49.75], [-67.25, -50.0], [-67.47, -50.53], [-68.0, -50.75], [-68.25, -50.65], [-68.5, -50.75], [-68.75, -50.65], [-69.0, -50.75], [-69.25, -50.65], [-69.5, -50.75], [-70.03, -50.53]]]]}, "2014-06-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-70.25, -50.0], [-70.03, -49.47], [-69.5, -49.25], [-69.25, -49.35], [-69.18, -49.32], [-69.03, -48.97], [-68.68, -48.82], [-68.65, -48.75], [-68.75, -48.5], [-68.53, -47.97], [-68.0, -47.75], [-67.75, -47.85], [-67.5, -47.75], [-67.25, -47.85], [-67.0, -47.75], [-66.75, -47.85], [-66.68, -47.82], [-66.53, -47.47], [-66.0, -47.25], [-65.75, -47.35], [-65.5, -47.25], [-64.97, -47.47], [-64.75, -48.0], [-64.97, -48.53], [-65.5, -48.75], [-65.75, -48.65], [-65.82, -48.68], [-65.97, -49.03], [-66.32, -49.18], [-66.47, -49.53], [-67.0, -49.75], [-67.25, -49.65], [-67.32, -49.68], [-67.35, -49.75], [-67.25, -50.0], [-67.47, -50.53], [-68.0, -50.75], [-68.25, -50.65], [-68.5, -50.75], [-68.75, -50.65], [-69.0, -50.75], [-69.25, -50.65], [-69.5, -50.75], [-70.03, -50.53], [-70.25, -50.0]]], [[[-66.03, -45.53], [-66.25, -45.0], [-66.03, -44.47], [-65.5, -44.25], [-64.97, -44.47], [-64.75, -45.0], [-64.97, -45.53], [-65.5, -45.75], [-66.03, -45.53]]]]}, "2014-06-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-70.03, -50.53], [-70.25, -50.0], [-70.03, -49.47], [-69.5, -49.25], [-69.25, -49.35], [-69.18, -49.32], [-69.03, -48.97], [-68.68, -48.82], [-68.65, -48.75], [-68.75, -48.5], [-68.53, -47.97], [-68.0, -47.75], [-67.75, -47.85], [-67.5, -47.75], [-67.25, -47.85], [-67.0, -47.75], [-66.75, -47.85], [-66.5, -47.75], [-65.97, -47.97], [-65.75, -48.5], [-65.97, -49.03], [-66.5, -49.25], [-66.75, -49.15], [-67.0, -49.25], [-67.25, -49.15], [-67.32, -49.18], [-67.35, -49.25], [-67.25, -49.5], [-67.35, -49.75], [-67.25, -50.0], [-67.47, -50.53], [-68.0, -50.75], [-68.25, -50.65], [-68.5, -50.75], [-68.75, -50.65], [-69.0, -50.75], [-69.25, -50.65], [-69.5, -50.75], [-70.03, -50.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -13.363340646611164}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -4.17556241012671}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [5.193470625100474, 5.201856112074211, 3.948508366775002, -4.16803431586527, -1.2266663615253606]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [1.3414556464712746, 1.1140818139998032, -4.983534504269869, -10.197805853511284, -3.015700098710738]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-3.6546524190290164, -3.5103828270677733, -3.777525313239905, -8.847840879680653, -4.7867669049378385]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-4.831477279786611, -4.711540960398793, -8.649740058587952, -13.363340646611164, -5.634569205223215]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-2.0302697112581622, -1.919452623320881, -1.725223388281553, -2.823800248063444, -1.434818044917016]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-2.5279156445754376, -2.4701983584089855, -2.275119650755879, -3.596889273034804, -1.6389716173535591]}}