{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:56:23.035583", "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-May-12_to_2014-May-14_319.0_-10.5"}, "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": 2014050000530}, "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": "May 12 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 14 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": 70001.16088828344}, "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"]}, "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": -10.5}, "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": 319.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "319.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 317.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 321.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -11.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -8.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-05-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-43.03, -10.53], [-43.25, -10.0], [-43.03, -9.47], [-42.5, -9.25], [-42.25, -9.35], [-42.12, -9.3], [-42.25, -9.0], [-42.03, -8.47], [-41.5, -8.25], [-41.25, -8.35], [-41.0, -8.25], [-40.75, -8.35], [-40.5, -8.25], [-39.97, -8.47], [-39.82, -8.82], [-39.75, -8.85], [-39.5, -8.75], [-38.97, -8.97], [-38.82, -9.32], [-38.75, -9.35], [-38.5, -9.25], [-37.97, -9.47], [-37.75, -10.0], [-37.97, -10.53], [-38.32, -10.68], [-38.47, -11.03], [-38.82, -11.18], [-38.97, -11.53], [-39.5, -11.75], [-39.75, -11.65], [-40.0, -11.75], [-40.25, -11.65], [-40.5, -11.75], [-40.75, -11.65], [-41.0, -11.75], [-41.53, -11.53], [-41.75, -11.0], [-41.65, -10.75], [-41.68, -10.68], [-41.75, -10.65], [-42.0, -10.75], [-42.25, -10.65], [-42.5, -10.75], [-43.03, -10.53]]]]}, "2014-05-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-43.03, -10.53], [-43.25, -10.0], [-43.03, -9.47], [-42.5, -9.25], [-42.25, -9.35], [-42.12, -9.3], [-42.25, -9.0], [-42.03, -8.47], [-41.5, -8.25], [-41.25, -8.35], [-41.0, -8.25], [-40.75, -8.35], [-40.5, -8.25], [-39.97, -8.47], [-39.82, -8.82], [-39.75, -8.85], [-39.5, -8.75], [-38.97, -8.97], [-38.82, -9.32], [-38.75, -9.35], [-38.5, -9.25], [-37.97, -9.47], [-37.75, -10.0], [-37.97, -10.53], [-38.32, -10.68], [-38.47, -11.03], [-38.82, -11.18], [-38.97, -11.53], [-39.5, -11.75], [-39.75, -11.65], [-40.0, -11.75], [-40.25, -11.65], [-40.5, -11.75], [-40.75, -11.65], [-41.0, -11.75], [-41.53, -11.53], [-41.75, -11.0], [-41.65, -10.75], [-41.68, -10.68], [-41.75, -10.65], [-42.0, -10.75], [-42.25, -10.65], [-42.5, -10.75], [-43.03, -10.53]]]]}, "2014-05-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-43.03, -10.53], [-43.25, -10.0], [-43.03, -9.47], [-42.5, -9.25], [-42.25, -9.35], [-42.12, -9.3], [-42.25, -9.0], [-42.03, -8.47], [-41.5, -8.25], [-41.25, -8.35], [-41.0, -8.25], [-40.75, -8.35], [-40.5, -8.25], [-39.97, -8.47], [-39.82, -8.82], [-39.75, -8.85], [-39.5, -8.75], [-38.97, -8.97], [-38.82, -9.32], [-38.75, -9.35], [-38.5, -9.25], [-37.97, -9.47], [-37.75, -10.0], [-37.97, -10.53], [-38.32, -10.68], [-38.47, -11.03], [-38.82, -11.18], [-38.97, -11.53], [-39.5, -11.75], [-39.75, -11.65], [-40.0, -11.75], [-40.25, -11.65], [-40.5, -11.75], [-40.75, -11.65], [-41.0, -11.75], [-41.53, -11.53], [-41.75, -11.0], [-41.65, -10.75], [-41.68, -10.68], [-41.75, -10.65], [-42.0, -10.75], [-42.25, -10.65], [-42.5, -10.75], [-43.03, -10.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -2.601282584249873}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -2.0795687034159096}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [22.874239786573355, 23.048803145514114, 23.252885247017446]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [20.129936771892346, 20.315845839997962, 20.507988701134366]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-2.312341180112276, -2.076646983355144, -1.8497179467803078]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-2.601282584249873, -2.515124990955826, -2.134666424386296]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.8983827761941952, -1.6971453269662171, -1.4841842626323019]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-2.232210728096907, -2.0613463762565303, -1.7462480898088562]}}