{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:56:52.457881", "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-Jul-25_to_2014-Jul-27_290.5_-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": 2014070001121}, "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": "July 25 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 27 2014"}, "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": 64068.00310511563}, "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", "Peru"]}, "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": 290.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "290.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 287.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 291.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -10.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -8.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-07-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.75, -9.5], [-72.53, -8.97], [-72.18, -8.82], [-72.03, -8.47], [-71.68, -8.32], [-71.53, -7.97], [-71.0, -7.75], [-70.5, -7.96], [-70.0, -7.75], [-69.75, -7.85], [-69.5, -7.75], [-69.25, -7.85], [-69.0, -7.75], [-68.75, -7.85], [-68.5, -7.75], [-67.97, -7.97], [-67.75, -8.5], [-67.97, -9.03], [-68.37, -9.2], [-68.25, -9.5], [-68.47, -10.03], [-69.0, -10.25], [-69.25, -10.15], [-69.32, -10.18], [-69.47, -10.53], [-70.0, -10.75], [-70.25, -10.65], [-70.5, -10.75], [-70.75, -10.65], [-71.0, -10.75], [-71.25, -10.65], [-71.5, -10.75], [-72.03, -10.53], [-72.18, -10.18], [-72.53, -10.03], [-72.75, -9.5]]]]}, "2014-07-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.75, -9.5], [-72.53, -8.97], [-72.18, -8.82], [-72.03, -8.47], [-71.68, -8.32], [-71.53, -7.97], [-71.0, -7.75], [-70.5, -7.96], [-70.0, -7.75], [-69.75, -7.85], [-69.5, -7.75], [-69.25, -7.85], [-69.0, -7.75], [-68.75, -7.85], [-68.5, -7.75], [-67.97, -7.97], [-67.75, -8.5], [-67.97, -9.03], [-68.37, -9.2], [-68.25, -9.5], [-68.47, -10.03], [-69.0, -10.25], [-69.25, -10.15], [-69.32, -10.18], [-69.47, -10.53], [-70.0, -10.75], [-70.25, -10.65], [-70.5, -10.75], [-70.75, -10.65], [-71.0, -10.75], [-71.25, -10.65], [-71.5, -10.75], [-72.03, -10.53], [-72.18, -10.18], [-72.53, -10.03], [-72.75, -9.5]]]]}, "2014-07-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.75, -9.5], [-72.53, -8.97], [-72.18, -8.82], [-72.03, -8.47], [-71.68, -8.32], [-71.53, -7.97], [-71.0, -7.75], [-70.5, -7.96], [-70.0, -7.75], [-69.75, -7.85], [-69.5, -7.75], [-69.25, -7.85], [-69.0, -7.75], [-68.75, -7.85], [-68.5, -7.75], [-67.97, -7.97], [-67.75, -8.5], [-67.97, -9.03], [-68.37, -9.2], [-68.25, -9.5], [-68.47, -10.03], [-69.0, -10.25], [-69.25, -10.15], [-69.32, -10.18], [-69.47, -10.53], [-70.0, -10.75], [-70.25, -10.65], [-70.5, -10.75], [-70.75, -10.65], [-71.0, -10.75], [-71.25, -10.65], [-71.5, -10.75], [-72.03, -10.53], [-72.18, -10.18], [-72.53, -10.03], [-72.75, -9.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -7.029172926242779}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -4.37281157522367}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [20.52803264911097, 18.43163577376305, 21.076346933884224]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [19.285673446076714, 17.43500862465993, 20.782446511138744]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-3.77651539328628, -5.9515077656469355, -3.390411566737793]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-5.067321303131678, -7.029172926242779, -3.7965056544799154]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.8725906433207702, -2.9281782305544377, -1.6349362640262726]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-2.3461405758574205, -3.249911063506402, -1.8011140717021095]}}