{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:57:15.378384", "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-Aug-29_to_2014-Sep-02_275.0_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": 2014080003153}, "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": "August 29 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 02 2014"}, "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": "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": 73251.68986739573}, "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": ["Costa Rica", "Panama"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.Central-America"]}, "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": ["North Pacific 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": 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": 275.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "275.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 272.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 278.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 8.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 10.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-08-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-84.0, 9.75], [-83.47, 9.53], [-83.25, 9.0], [-83.47, 8.47], [-84.0, 8.25], [-84.53, 8.47], [-84.75, 9.0], [-84.53, 9.53], [-84.0, 9.75]]]]}, "2014-08-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-86.0, 9.75], [-85.75, 9.65], [-85.5, 9.75], [-85.25, 9.65], [-85.18, 9.68], [-85.03, 10.03], [-84.5, 10.25], [-83.97, 10.03], [-83.82, 9.68], [-83.75, 9.65], [-83.5, 9.75], [-82.97, 9.53], [-82.82, 9.18], [-82.75, 9.15], [-82.5, 9.25], [-82.25, 9.15], [-82.0, 9.25], [-81.47, 9.03], [-81.25, 8.5], [-81.47, 7.97], [-82.0, 7.75], [-82.25, 7.85], [-82.5, 7.75], [-82.75, 7.85], [-83.0, 7.75], [-83.25, 7.85], [-83.5, 7.75], [-84.0, 7.96], [-84.5, 7.75], [-84.75, 7.85], [-85.0, 7.75], [-85.25, 7.85], [-85.5, 7.75], [-85.75, 7.85], [-86.0, 7.75], [-86.25, 7.85], [-86.5, 7.75], [-87.03, 7.97], [-87.25, 8.5], [-87.03, 9.03], [-86.68, 9.18], [-86.53, 9.53], [-86.0, 9.75]]]]}, "2014-08-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-87.75, 9.5], [-87.53, 10.03], [-87.0, 10.25], [-86.75, 10.15], [-86.5, 10.25], [-86.2, 10.12], [-86.03, 10.53], [-85.68, 10.68], [-85.53, 11.03], [-85.0, 11.25], [-84.47, 11.03], [-84.32, 10.68], [-84.25, 10.65], [-84.0, 10.75], [-83.47, 10.53], [-83.25, 10.0], [-83.35, 9.75], [-83.32, 9.68], [-82.97, 9.53], [-82.82, 9.18], [-82.75, 9.15], [-82.5, 9.25], [-82.25, 9.15], [-82.0, 9.25], [-81.47, 9.03], [-81.25, 8.5], [-81.47, 7.97], [-82.0, 7.75], [-82.25, 7.85], [-82.5, 7.75], [-82.75, 7.85], [-83.0, 7.75], [-83.25, 7.85], [-83.5, 7.75], [-84.0, 7.96], [-84.5, 7.75], [-84.75, 7.85], [-85.0, 7.75], [-85.25, 7.85], [-85.5, 7.75], [-85.75, 7.85], [-86.0, 7.75], [-86.25, 7.85], [-86.5, 7.75], [-87.03, 7.97], [-87.25, 8.5], [-87.15, 8.75], [-87.18, 8.82], [-87.53, 8.97], [-87.75, 9.5]]]]}, "2014-09-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-87.75, 9.5], [-87.53, 10.03], [-87.0, 10.25], [-86.75, 10.15], [-86.5, 10.25], [-86.2, 10.12], [-86.03, 10.53], [-85.68, 10.68], [-85.53, 11.03], [-85.0, 11.25], [-84.47, 11.03], [-84.32, 10.68], [-84.25, 10.65], [-84.0, 10.75], [-83.47, 10.53], [-83.25, 10.0], [-83.35, 9.75], [-83.32, 9.68], [-82.97, 9.53], [-82.82, 9.18], [-82.75, 9.15], [-82.5, 9.25], [-82.25, 9.15], [-82.0, 9.25], [-81.47, 9.03], [-81.25, 8.5], [-81.47, 7.97], [-82.0, 7.75], [-82.25, 7.85], [-82.5, 7.75], [-82.75, 7.85], [-83.0, 7.75], [-83.25, 7.85], [-83.5, 7.75], [-84.0, 7.96], [-84.5, 7.75], [-84.75, 7.85], [-85.0, 7.75], [-85.25, 7.85], [-85.5, 7.75], [-85.75, 7.85], [-86.0, 7.75], [-86.25, 7.85], [-86.5, 7.75], [-87.03, 7.97], [-87.25, 8.5], [-87.15, 8.75], [-87.18, 8.82], [-87.53, 8.97], [-87.75, 9.5]]]]}, "2014-09-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-87.75, 9.5], [-87.53, 10.03], [-87.0, 10.25], [-86.75, 10.15], [-86.5, 10.25], [-86.2, 10.12], [-86.03, 10.53], [-85.68, 10.68], [-85.53, 11.03], [-85.0, 11.25], [-84.47, 11.03], [-84.32, 10.68], [-84.25, 10.65], [-84.0, 10.75], [-83.47, 10.53], [-83.25, 10.0], [-83.35, 9.75], [-83.25, 9.5], [-83.47, 8.97], [-84.0, 8.75], [-84.53, 8.97], [-84.68, 9.32], [-85.0, 9.46], [-85.37, 9.3], [-85.25, 9.0], [-85.47, 8.47], [-86.0, 8.25], [-86.25, 8.35], [-86.5, 8.25], [-87.03, 8.47], [-87.18, 8.82], [-87.53, 8.97], [-87.75, 9.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.8719531983670663}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.9801311190173279}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.642366108841486, 26.48678140571718, 26.04219613569279, 26.052315565276956, 25.315930263181258]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.642366108841486, 27.423785236613924, 27.53133024131563, 27.395858343071893, 27.602781136534304]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.674980416198423, 0.9248124224955383, 0.9915773623393918, 0.9956806665704244, 1.0403923263688486]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.674980416198423, 1.0848409668431032, 1.477129725850375, 1.8719531983670663, 1.3749073446694524]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.492809422841652, 1.8149418500550198, 1.9123959735728022, 1.944408302834253, 1.8527793217779747]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.492809422841652, 2.1129601864445995, 2.5018465144719464, 3.02539107866077, 2.5755360934226688]}}