{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:03:08.540068", "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-11_to_2015-Jun-14_265.0_16.5"}, "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": 2015060000399}, "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 11 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 14 2015"}, "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": "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": 71361.70294006512}, "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": ["Mexico"]}, "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": 16.5}, "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": 265.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "265.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 261.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 266.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 14.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 16.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-06-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-96.53, 16.53], [-96.0, 16.75], [-95.75, 16.65], [-95.68, 16.68], [-95.53, 17.03], [-95.0, 17.25], [-94.75, 17.15], [-94.5, 17.25], [-94.25, 17.15], [-94.0, 17.25], [-93.47, 17.03], [-93.25, 16.5], [-93.35, 16.25], [-93.32, 16.18], [-92.97, 16.03], [-92.75, 15.5], [-92.97, 14.97], [-93.5, 14.75], [-93.75, 14.85], [-94.0, 14.75], [-94.25, 14.85], [-94.32, 14.82], [-94.47, 14.47], [-95.0, 14.25], [-95.25, 14.35], [-95.5, 14.25], [-96.03, 14.47], [-96.18, 14.82], [-96.53, 14.97], [-96.75, 15.5], [-96.65, 15.75], [-96.75, 16.0], [-96.53, 16.53]]]]}, "2015-06-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-98.75, 16.5], [-98.53, 17.03], [-98.0, 17.25], [-97.47, 17.03], [-97.32, 16.68], [-97.25, 16.65], [-97.0, 16.75], [-96.75, 16.65], [-96.5, 16.75], [-96.25, 16.65], [-96.18, 16.68], [-96.03, 17.03], [-95.5, 17.25], [-95.25, 17.15], [-95.0, 17.25], [-94.75, 17.15], [-94.5, 17.25], [-94.25, 17.15], [-94.0, 17.25], [-93.47, 17.03], [-93.32, 16.68], [-92.97, 16.53], [-92.75, 16.0], [-92.85, 15.75], [-92.75, 15.5], [-92.97, 14.97], [-93.5, 14.75], [-93.75, 14.85], [-94.0, 14.75], [-94.25, 14.85], [-94.32, 14.82], [-94.47, 14.47], [-95.0, 14.25], [-95.25, 14.35], [-95.5, 14.25], [-96.03, 14.47], [-96.18, 14.82], [-96.25, 14.85], [-96.5, 14.75], [-96.75, 14.85], [-97.0, 14.75], [-97.53, 14.97], [-97.68, 15.32], [-98.03, 15.47], [-98.18, 15.82], [-98.53, 15.97], [-98.75, 16.5]]]]}, "2015-06-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-98.75, 16.5], [-98.53, 17.03], [-98.0, 17.25], [-97.47, 17.03], [-97.32, 16.68], [-97.25, 16.65], [-97.0, 16.75], [-96.75, 16.65], [-96.5, 16.75], [-96.25, 16.65], [-96.18, 16.68], [-96.03, 17.03], [-95.5, 17.25], [-95.25, 17.15], [-95.0, 17.25], [-94.75, 17.15], [-94.5, 17.25], [-94.25, 17.15], [-94.0, 17.25], [-93.47, 17.03], [-93.32, 16.68], [-92.97, 16.53], [-92.75, 16.0], [-92.85, 15.75], [-92.75, 15.5], [-92.97, 14.97], [-93.5, 14.75], [-93.75, 14.85], [-94.0, 14.75], [-94.25, 14.85], [-94.32, 14.82], [-94.47, 14.47], [-95.0, 14.25], [-95.25, 14.35], [-95.5, 14.25], [-96.03, 14.47], [-96.18, 14.82], [-96.25, 14.85], [-96.5, 14.75], [-96.75, 14.85], [-97.0, 14.75], [-97.53, 14.97], [-97.68, 15.32], [-98.03, 15.47], [-98.18, 15.82], [-98.53, 15.97], [-98.75, 16.5]]]]}, "2015-06-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-98.75, 16.5], [-98.53, 17.03], [-98.0, 17.25], [-97.47, 17.03], [-97.32, 16.68], [-97.25, 16.65], [-97.0, 16.75], [-96.75, 16.65], [-96.5, 16.75], [-96.25, 16.65], [-96.18, 16.68], [-96.03, 17.03], [-95.5, 17.25], [-95.25, 17.15], [-95.0, 17.25], [-94.75, 17.15], [-94.5, 17.25], [-94.25, 17.15], [-94.0, 17.25], [-93.47, 17.03], [-93.32, 16.68], [-92.97, 16.53], [-92.75, 16.0], [-92.97, 15.47], [-93.5, 15.25], [-93.75, 15.35], [-94.0, 15.25], [-94.25, 15.35], [-94.32, 15.32], [-94.47, 14.97], [-94.82, 14.82], [-94.97, 14.47], [-95.5, 14.25], [-96.03, 14.47], [-96.18, 14.82], [-96.25, 14.85], [-96.5, 14.75], [-96.75, 14.85], [-97.0, 14.75], [-97.53, 14.97], [-97.68, 15.32], [-98.03, 15.47], [-98.18, 15.82], [-98.53, 15.97], [-98.75, 16.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -3.4846341988524046}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -1.7271797054309783}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.908706172183997, 24.996756686099786, 24.770180309447028, 24.764729002610522]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [22.607386779366095, 19.436420390973865, 18.370395912579227, 19.286773547361065]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-1.4394499327946662, -1.712249021689151, -1.9526262745785037, -1.7047444610531897]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-2.0214900024982967, -3.1593533683695227, -3.4846341988524046, -3.1493296665066737]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.4565139488804015, -1.7879588999463334, -2.0601907490306, -1.7725305491655798]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.723391599196123, -2.251497401303472, -3.341417356263024, -2.34872785147316]}}