{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:57:27.079094", "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-Sep-30_to_2014-Oct-03_294.0_18.0"}, "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": 2014090003091}, "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": "September 30 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 03 2014"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": "Heat wave"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 64431.257287263456}, "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": ["Puerto Rico", "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": 18.0}, "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": 294.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "294.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 292.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 297.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 16.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 20.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-09-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-66.03, 20.03], [-65.5, 20.25], [-64.97, 20.03], [-64.82, 19.68], [-64.75, 19.65], [-64.68, 19.68], [-64.53, 20.03], [-64.0, 20.25], [-63.75, 20.15], [-63.5, 20.25], [-62.97, 20.03], [-62.75, 19.5], [-62.97, 18.97], [-63.5, 18.75], [-62.97, 18.53], [-62.82, 18.18], [-62.47, 18.03], [-62.25, 17.5], [-62.47, 16.97], [-63.0, 16.75], [-63.25, 16.85], [-63.32, 16.82], [-63.47, 16.47], [-64.0, 16.25], [-64.53, 16.47], [-64.75, 17.0], [-64.65, 17.25], [-64.68, 17.32], [-65.03, 17.47], [-65.18, 17.82], [-65.3, 17.88], [-65.47, 17.47], [-66.0, 17.25], [-66.53, 17.47], [-66.75, 18.0], [-66.53, 18.53], [-66.12, 18.7], [-66.25, 19.0], [-66.15, 19.25], [-66.25, 19.5], [-66.03, 20.03]], [[-63.75, 18.85], [-63.82, 18.82], [-63.87, 18.7], [-63.75, 18.65], [-63.5, 18.75], [-63.75, 18.85]]]]}, "2014-10-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-67.53, 20.53], [-67.0, 20.75], [-66.47, 20.53], [-66.32, 20.18], [-66.25, 20.15], [-66.0, 20.25], [-65.75, 20.15], [-65.5, 20.25], [-64.97, 20.03], [-64.82, 19.68], [-64.75, 19.65], [-64.68, 19.68], [-64.53, 20.03], [-64.0, 20.25], [-63.75, 20.15], [-63.5, 20.25], [-62.97, 20.03], [-62.75, 19.5], [-62.97, 18.97], [-63.5, 18.75], [-62.97, 18.53], [-62.82, 18.18], [-62.47, 18.03], [-62.25, 17.5], [-62.47, 16.97], [-63.0, 16.75], [-63.25, 16.85], [-63.32, 16.82], [-63.47, 16.47], [-64.0, 16.25], [-64.53, 16.47], [-64.75, 17.0], [-64.65, 17.25], [-64.68, 17.32], [-65.03, 17.47], [-65.18, 17.82], [-65.3, 17.88], [-65.47, 17.47], [-66.0, 17.25], [-66.53, 17.47], [-66.68, 17.82], [-67.03, 17.97], [-67.25, 18.5], [-67.15, 18.75], [-67.18, 18.82], [-67.53, 18.97], [-67.75, 19.5], [-67.65, 19.75], [-67.75, 20.0], [-67.53, 20.53]], [[-63.75, 18.85], [-63.82, 18.82], [-63.87, 18.7], [-63.75, 18.65], [-63.5, 18.75], [-63.75, 18.85]]]]}, "2014-10-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-67.53, 20.53], [-67.0, 20.75], [-66.47, 20.53], [-66.32, 20.18], [-66.25, 20.15], [-66.0, 20.25], [-65.75, 20.15], [-65.5, 20.25], [-64.97, 20.03], [-64.82, 19.68], [-64.75, 19.65], [-64.68, 19.68], [-64.53, 20.03], [-64.0, 20.25], [-63.75, 20.15], [-63.5, 20.25], [-62.97, 20.03], [-62.75, 19.5], [-62.97, 18.97], [-63.5, 18.75], [-62.97, 18.53], [-62.82, 18.18], [-62.47, 18.03], [-62.25, 17.5], [-62.47, 16.97], [-63.0, 16.75], [-63.25, 16.85], [-63.32, 16.82], [-63.47, 16.47], [-64.0, 16.25], [-64.53, 16.47], [-64.75, 17.0], [-64.65, 17.25], [-64.68, 17.32], [-65.03, 17.47], [-65.18, 17.82], [-65.3, 17.88], [-65.47, 17.47], [-66.0, 17.25], [-66.53, 17.47], [-66.68, 17.82], [-67.03, 17.97], [-67.25, 18.5], [-67.15, 18.75], [-67.18, 18.82], [-67.53, 18.97], [-67.75, 19.5], [-67.65, 19.75], [-67.75, 20.0], [-67.53, 20.53]], [[-63.75, 18.85], [-63.82, 18.82], [-63.87, 18.7], [-63.75, 18.65], [-63.5, 18.75], [-63.75, 18.85]]]]}, "2014-10-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-67.53, 20.53], [-67.0, 20.75], [-66.47, 20.53], [-66.32, 20.18], [-66.25, 20.15], [-66.0, 20.25], [-65.47, 20.03], [-65.25, 19.5], [-65.46, 19.0], [-65.25, 18.5], [-65.35, 18.25], [-65.25, 18.0], [-65.47, 17.47], [-66.0, 17.25], [-66.53, 17.47], [-66.68, 17.82], [-67.03, 17.97], [-67.25, 18.5], [-67.15, 18.75], [-67.18, 18.82], [-67.53, 18.97], [-67.75, 19.5], [-67.65, 19.75], [-67.75, 20.0], [-67.53, 20.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.4179104961517055}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.8621512224694196}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.159540591283758, 28.14475003152353, 28.23154482455601, 28.121944714608617]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.351976516159652, 28.323744279772598, 28.393723395345148, 28.346115921808575]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.8136121233365998, 0.8189069962714189, 0.9129732524714727, 0.932323072882312]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.8644526286252585, 1.0651250801997776, 1.3671926506793852, 1.4179104961517055]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.440587405656229, 1.425144236774186, 1.593190884664149, 1.5877530729151912]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.491349004244149, 1.662047063266383, 2.111960212969339, 2.22008072190446]}}