{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:53:31.259302", "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-Jun-04_to_2013-Jun-08_296.5_19.0"}, "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": 2013060000278}, "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 04 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 08 2013"}, "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": 55803.08425435135}, "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": ["Saint Eustatius"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Caribbean", "N.Atlantic-Ocean"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["North 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": ["Caribbean Sea", "North 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": 19.0}, "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": 296.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "296.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 294.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 297.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 17.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 19.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-06-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-64.03, 18.47], [-64.25, 19.0], [-64.03, 19.53], [-63.5, 19.75], [-63.25, 19.65], [-63.0, 19.75], [-62.47, 19.53], [-62.25, 19.0], [-62.47, 18.47], [-63.0, 18.25], [-63.25, 18.35], [-63.5, 18.25], [-64.03, 18.47]]]]}, "2013-06-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-64.03, 18.47], [-64.25, 19.0], [-64.03, 19.53], [-63.5, 19.75], [-63.25, 19.65], [-63.0, 19.75], [-62.47, 19.53], [-62.25, 19.0], [-62.47, 18.47], [-63.0, 18.25], [-63.25, 18.35], [-63.5, 18.25], [-64.03, 18.47]]]]}, "2013-06-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-65.65, 18.25], [-65.75, 18.5], [-65.53, 19.03], [-65.18, 19.18], [-65.03, 19.53], [-64.5, 19.75], [-64.25, 19.65], [-64.0, 19.75], [-63.75, 19.65], [-63.5, 19.75], [-63.25, 19.65], [-63.0, 19.75], [-62.47, 19.53], [-62.25, 19.0], [-62.46, 18.5], [-62.32, 18.18], [-61.97, 18.03], [-61.75, 17.5], [-61.97, 16.97], [-62.5, 16.75], [-62.75, 16.85], [-63.0, 16.75], [-63.25, 16.85], [-63.5, 16.75], [-63.75, 16.85], [-64.0, 16.75], [-64.25, 16.85], [-64.5, 16.75], [-64.75, 16.85], [-65.0, 16.75], [-65.53, 16.97], [-65.75, 17.5], [-65.65, 17.75], [-65.75, 18.0], [-65.65, 18.25]]]]}, "2013-06-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-65.65, 18.25], [-65.75, 18.5], [-65.53, 19.03], [-65.18, 19.18], [-65.03, 19.53], [-64.5, 19.75], [-64.25, 19.65], [-64.0, 19.75], [-63.75, 19.65], [-63.5, 19.75], [-63.25, 19.65], [-63.0, 19.75], [-62.47, 19.53], [-62.25, 19.0], [-62.46, 18.5], [-62.32, 18.18], [-61.97, 18.03], [-61.75, 17.5], [-61.97, 16.97], [-62.5, 16.75], [-62.75, 16.85], [-63.0, 16.75], [-63.25, 16.85], [-63.5, 16.75], [-63.75, 16.85], [-64.0, 16.75], [-64.25, 16.85], [-64.5, 16.75], [-64.75, 16.85], [-65.0, 16.75], [-65.53, 16.97], [-65.75, 17.5], [-65.65, 17.75], [-65.75, 18.0], [-65.65, 18.25]]]]}, "2013-06-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-65.65, 18.25], [-65.75, 18.5], [-65.53, 19.03], [-65.18, 19.18], [-65.03, 19.53], [-64.5, 19.75], [-64.25, 19.65], [-64.0, 19.75], [-63.47, 19.53], [-63.32, 19.18], [-62.97, 19.03], [-62.82, 18.68], [-62.47, 18.53], [-62.32, 18.18], [-61.97, 18.03], [-61.75, 17.5], [-61.97, 16.97], [-62.5, 16.75], [-62.75, 16.85], [-63.0, 16.75], [-63.25, 16.85], [-63.5, 16.75], [-63.75, 16.85], [-64.0, 16.75], [-64.25, 16.85], [-64.5, 16.75], [-64.75, 16.85], [-65.0, 16.75], [-65.53, 16.97], [-65.75, 17.5], [-65.65, 17.75], [-65.75, 18.0], [-65.65, 18.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -1.1348482111263252}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -0.7212988178938387}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.879996015965446, 26.031273298277313, 26.171215436568787, 26.0332596115191, 26.209426318988903]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.857494909178797, 26.011788212858846, 25.915513636025537, 25.625102525858097, 26.027662009533742]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-0.7517908395076915, -0.6308275936391396, -0.6892070398528206, -0.8220679089850388, -0.6515981977366758]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-0.7523146172608222, -0.6316525751408903, -0.7778331889459764, -1.1348482111263252, -0.7333484860007502]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.4128202611753753, -1.2282089480963405, -1.4127511323176598, -1.7284514656066978, -1.3848513643506664]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.4255502533844089, -1.2407235775626866, -1.6260570782042705, -2.2484890906280466, -1.524908187285714]}}