{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:45:49.252795", "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": "2010-Oct-15_to_2010-Oct-19_277.0_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": 2010100000614}, "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": "October 15 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 19 2010"}, "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": 111982.00424945168}, "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", "Nicaragua", "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": ["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": 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": 277.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "277.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 275.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 279.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 8.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 15.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-10-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-83.75, 10.5], [-83.53, 11.03], [-83.0, 11.25], [-82.75, 11.15], [-82.68, 11.18], [-82.53, 11.53], [-82.0, 11.75], [-81.47, 11.53], [-81.32, 11.18], [-80.97, 11.03], [-80.75, 10.5], [-80.85, 10.25], [-80.82, 10.18], [-80.47, 10.03], [-80.32, 9.68], [-79.97, 9.53], [-79.75, 9.0], [-79.97, 8.47], [-80.5, 8.25], [-80.75, 8.35], [-81.0, 8.25], [-81.25, 8.35], [-81.5, 8.25], [-82.03, 8.47], [-82.25, 9.0], [-82.15, 9.25], [-82.18, 9.32], [-82.25, 9.35], [-82.5, 9.25], [-83.03, 9.47], [-83.18, 9.82], [-83.53, 9.97], [-83.75, 10.5]]]]}, "2010-10-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-84.75, 11.5], [-84.53, 12.03], [-84.18, 12.18], [-84.15, 12.25], [-84.25, 12.5], [-84.15, 12.75], [-84.25, 13.0], [-84.03, 13.53], [-83.68, 13.68], [-83.53, 14.03], [-83.0, 14.25], [-82.47, 14.03], [-82.32, 13.68], [-81.97, 13.53], [-81.75, 13.0], [-81.85, 12.75], [-81.75, 12.5], [-81.85, 12.25], [-81.75, 12.0], [-81.85, 11.75], [-81.82, 11.68], [-81.47, 11.53], [-81.32, 11.18], [-80.97, 11.03], [-80.75, 10.5], [-80.85, 10.25], [-80.82, 10.18], [-80.47, 10.03], [-80.32, 9.68], [-79.97, 9.53], [-79.75, 9.0], [-79.97, 8.47], [-80.5, 8.25], [-80.75, 8.35], [-81.0, 8.25], [-81.25, 8.35], [-81.5, 8.25], [-82.03, 8.47], [-82.25, 9.0], [-82.15, 9.25], [-82.18, 9.32], [-82.25, 9.35], [-82.5, 9.25], [-82.75, 9.35], [-83.0, 9.25], [-83.53, 9.47], [-83.68, 9.82], [-84.03, 9.97], [-84.25, 10.5], [-84.15, 10.75], [-84.18, 10.82], [-84.53, 10.97], [-84.75, 11.5]]]]}, "2010-10-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-84.75, 11.5], [-84.53, 12.03], [-84.18, 12.18], [-84.15, 12.25], [-84.25, 12.5], [-84.15, 12.75], [-84.25, 13.0], [-84.15, 13.25], [-84.25, 13.5], [-84.15, 13.75], [-84.25, 14.0], [-84.03, 14.53], [-83.68, 14.68], [-83.53, 15.03], [-83.18, 15.18], [-83.03, 15.53], [-82.5, 15.75], [-82.25, 15.65], [-82.0, 15.75], [-81.47, 15.53], [-81.25, 15.0], [-81.47, 14.47], [-82.0, 14.25], [-82.25, 14.35], [-82.32, 14.32], [-82.35, 14.25], [-82.25, 14.0], [-82.35, 13.75], [-82.32, 13.68], [-81.97, 13.53], [-81.75, 13.0], [-81.85, 12.75], [-81.75, 12.5], [-81.85, 12.25], [-81.75, 12.0], [-81.85, 11.75], [-81.82, 11.68], [-81.47, 11.53], [-81.32, 11.18], [-80.97, 11.03], [-80.75, 10.5], [-80.85, 10.25], [-80.82, 10.18], [-80.47, 10.03], [-80.32, 9.68], [-79.97, 9.53], [-79.75, 9.0], [-79.97, 8.47], [-80.5, 8.25], [-80.75, 8.35], [-81.0, 8.25], [-81.25, 8.35], [-81.5, 8.25], [-82.03, 8.47], [-82.25, 9.0], [-82.15, 9.25], [-82.18, 9.32], [-82.25, 9.35], [-82.5, 9.25], [-82.75, 9.35], [-83.0, 9.25], [-83.53, 9.47], [-83.68, 9.82], [-84.03, 9.97], [-84.25, 10.5], [-84.15, 10.75], [-84.18, 10.82], [-84.53, 10.97], [-84.75, 11.5]]]]}, "2010-10-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-84.75, 11.5], [-84.53, 12.03], [-84.18, 12.18], [-84.15, 12.25], [-84.25, 12.5], [-84.15, 12.75], [-84.25, 13.0], [-84.15, 13.25], [-84.25, 13.5], [-84.15, 13.75], [-84.25, 14.0], [-84.03, 14.53], [-83.68, 14.68], [-83.53, 15.03], [-83.18, 15.18], [-83.03, 15.53], [-82.5, 15.75], 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14.32], [-82.35, 14.25], [-82.25, 14.0], [-82.35, 13.75], [-82.25, 13.5], [-82.46, 13.0], [-82.25, 12.5], [-82.35, 12.25], [-82.25, 12.0], [-82.47, 11.47], [-83.0, 11.25], [-83.25, 11.35], [-83.5, 11.25], [-84.03, 11.47], [-84.25, 12.0], [-84.15, 12.25], [-84.25, 12.5], [-84.15, 12.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -2.02050772786356}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -1.060676162941636}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.54364073349825, 25.349288062973244, 25.201763814152628, 25.33309718009332, 25.491627739790147]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [24.95123231846003, 24.233522385048957, 23.628971118841775, 24.26068915854546, 25.10539470246107]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-0.7356321870767121, -0.9963136723580639, -1.1988610193033005, -1.1113633618429843, -1.0474085993099227]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-0.8614183879536199, -1.8189054959487407, -1.8602552341488945, -2.02050772786356, -1.3792215252784104]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.427918006061745, -1.87577759615531, -2.1480628253258987, -1.8898716965903444, -1.7067506513169628]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.5995646982024208, -3.4576525580176507, -3.11682463811152, -2.6183888605194303, -2.0999831634179085]}}