{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:03:08.105978", "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": "2015-Jun-07_to_2015-Jun-11_291.0_12.5"}, "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": 2015060000270}, "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 07 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 11 2015"}, "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": 93039.82826934801}, "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": ["Aruba"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Caribbean"]}, "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": ["Caribbean Sea"]}, "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": 12.5}, "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": 291.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "291.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 286.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 292.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 11.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 15.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-06-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-69.0, 13.25], [-68.47, 13.03], [-68.25, 12.5], [-68.47, 11.97], [-69.0, 11.75], [-69.53, 11.97], [-69.75, 12.5], [-69.53, 13.03], [-69.0, 13.25]]]]}, "2015-06-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-73.53, 14.47], [-73.75, 15.0], [-73.53, 15.53], [-73.0, 15.75], [-72.75, 15.65], [-72.68, 15.68], [-72.53, 16.03], [-72.0, 16.25], [-71.75, 16.15], [-71.5, 16.25], [-71.25, 16.15], [-71.0, 16.25], [-70.75, 16.15], [-70.5, 16.25], [-70.25, 16.15], [-70.0, 16.25], [-69.75, 16.15], [-69.5, 16.25], [-68.97, 16.03], [-68.75, 15.5], [-68.97, 14.97], [-69.5, 14.75], [-69.75, 14.85], [-69.87, 14.8], [-69.82, 14.68], [-69.47, 14.53], [-69.32, 14.18], [-69.25, 14.15], [-69.0, 14.25], [-68.47, 14.03], [-68.32, 13.68], [-67.97, 13.53], [-67.82, 13.18], [-67.75, 13.15], [-67.5, 13.25], [-66.97, 13.03], [-66.75, 12.5], [-66.97, 11.97], [-67.5, 11.75], [-67.75, 11.85], [-67.82, 11.82], [-67.97, 11.47], [-68.5, 11.25], [-68.75, 11.35], [-69.0, 11.25], [-69.25, 11.35], [-69.5, 11.25], [-70.03, 11.47], [-70.18, 11.82], [-70.53, 11.97], [-70.75, 12.5], [-70.65, 12.75], [-70.75, 13.0], [-70.65, 13.25], [-70.68, 13.32], [-70.75, 13.35], [-71.0, 13.25], [-71.53, 13.47], [-71.75, 14.0], [-71.65, 14.25], [-71.68, 14.32], [-72.0, 14.46], [-72.5, 14.25], [-72.75, 14.35], [-73.0, 14.25], [-73.53, 14.47]]]]}, "2015-06-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-73.53, 14.47], [-73.75, 15.0], [-73.53, 15.53], [-73.0, 15.75], [-72.75, 15.65], [-72.68, 15.68], [-72.53, 16.03], [-72.0, 16.25], [-71.75, 16.15], [-71.5, 16.25], [-71.25, 16.15], [-71.0, 16.25], [-70.75, 16.15], [-70.5, 16.25], [-70.25, 16.15], [-70.0, 16.25], [-69.75, 16.15], [-69.5, 16.25], [-68.97, 16.03], [-68.75, 15.5], [-68.97, 14.97], [-69.5, 14.75], [-69.75, 14.85], [-69.87, 14.8], [-69.82, 14.68], [-69.47, 14.53], [-69.32, 14.18], [-69.25, 14.15], [-69.0, 14.25], [-68.47, 14.03], [-68.32, 13.68], [-67.97, 13.53], [-67.82, 13.18], [-67.75, 13.15], [-67.5, 13.25], [-66.97, 13.03], [-66.75, 12.5], [-66.97, 11.97], [-67.5, 11.75], [-67.75, 11.85], [-67.82, 11.82], [-67.97, 11.47], [-68.5, 11.25], [-68.75, 11.35], [-69.0, 11.25], [-69.25, 11.35], [-69.5, 11.25], [-70.03, 11.47], [-70.18, 11.82], [-70.53, 11.97], [-70.75, 12.5], [-70.65, 12.75], [-70.75, 13.0], [-70.65, 13.25], [-70.68, 13.32], [-70.75, 13.35], [-71.0, 13.25], [-71.53, 13.47], [-71.75, 14.0], [-71.65, 14.25], [-71.68, 14.32], [-72.0, 14.46], [-72.5, 14.25], [-72.75, 14.35], [-73.0, 14.25], [-73.53, 14.47]]]]}, "2015-06-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-73.53, 14.47], [-73.75, 15.0], [-73.53, 15.53], [-73.0, 15.75], [-72.75, 15.65], [-72.68, 15.68], [-72.53, 16.03], [-72.0, 16.25], [-71.75, 16.15], [-71.5, 16.25], [-71.25, 16.15], [-71.0, 16.25], [-70.75, 16.15], [-70.5, 16.25], [-70.25, 16.15], [-70.0, 16.25], [-69.75, 16.15], [-69.5, 16.25], [-68.97, 16.03], [-68.75, 15.5], [-68.97, 14.97], [-69.5, 14.75], [-69.75, 14.85], [-69.87, 14.8], [-69.82, 14.68], [-69.47, 14.53], [-69.32, 14.18], [-69.25, 14.15], [-69.0, 14.25], [-68.47, 14.03], [-68.32, 13.68], [-67.97, 13.53], [-67.82, 13.18], [-67.75, 13.15], [-67.5, 13.25], [-66.97, 13.03], [-66.75, 12.5], [-66.97, 11.97], [-67.5, 11.75], [-67.75, 11.85], [-67.82, 11.82], [-67.97, 11.47], [-68.5, 11.25], [-68.75, 11.35], [-69.0, 11.25], [-69.25, 11.35], [-69.5, 11.25], [-70.03, 11.47], [-70.18, 11.82], [-70.53, 11.97], [-70.75, 12.5], [-70.65, 12.75], [-70.75, 13.0], [-70.65, 13.25], [-70.68, 13.32], [-70.75, 13.35], [-71.0, 13.25], [-71.53, 13.47], [-71.75, 14.0], [-71.65, 14.25], [-71.68, 14.32], [-72.0, 14.46], [-72.5, 14.25], [-72.75, 14.35], [-73.0, 14.25], [-73.53, 14.47]]]]}, "2015-06-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-70.25, 12.5], [-70.03, 13.03], [-69.5, 13.25], [-69.25, 13.15], [-69.0, 13.25], [-68.75, 13.15], [-68.5, 13.25], [-68.25, 13.15], [-68.0, 13.25], [-67.47, 13.03], [-67.25, 12.5], [-67.47, 11.97], [-67.82, 11.82], [-67.97, 11.47], [-68.5, 11.25], [-68.75, 11.35], [-69.0, 11.25], [-69.53, 11.47], [-69.68, 11.82], [-70.03, 11.97], [-70.25, 12.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -0.9394637049549601}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -0.6232370318944607}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.689867479439272, 26.765875227151525, 26.729067252418588, 26.638605842185427, 26.5119176899114]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.689867479439272, 26.408990638710463, 26.299207099203443, 26.102840463178723, 26.42780611824827]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-0.5695546747766684, -0.5681697154322534, -0.606917194386109, -0.6940410317733968, -0.6351970542208107]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-0.5695546747766684, -0.723739328753652, -0.7558651005234651, -0.9394637049549601, -0.6648912435401826]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.2072682299131294, -1.2976776079188808, -1.3895977449265875, -1.5679835166266471, -1.2881269525148553]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.2072682299131294, -1.545432582393663, -1.6050870344898605, -1.9490374782584718, -1.362057280739866]}}