{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:57:47.797082", "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-Nov-26_to_2014-Nov-29_262.5_17.5"}, "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": 2014110000885}, "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": "November 26 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 29 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": "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": 94118.29158567946}, "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": ["Gulf of Mexico", "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": 17.5}, "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": 262.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "262.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 261.25}, "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": 15.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 19.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-11-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-96.53, 18.03], [-96.18, 18.18], [-96.03, 18.53], [-95.62, 18.7], [-95.75, 19.0], [-95.65, 19.25], [-95.75, 19.5], [-95.53, 20.03], [-95.0, 20.25], [-94.75, 20.15], [-94.5, 20.25], [-94.25, 20.15], [-94.0, 20.25], [-93.47, 20.03], [-93.25, 19.5], [-93.35, 19.25], [-93.25, 19.0], [-93.47, 18.47], [-93.82, 18.32], [-93.97, 17.97], [-94.37, 17.8], [-94.25, 17.5], [-94.35, 17.25], [-94.25, 17.0], [-94.35, 16.75], [-94.25, 16.5], [-94.35, 16.25], [-94.25, 16.0], [-94.47, 15.47], [-95.0, 15.25], [-95.53, 15.47], [-95.75, 16.0], [-95.65, 16.25], [-95.68, 16.32], [-95.75, 16.35], [-96.0, 16.25], [-96.53, 16.47], [-96.75, 17.0], [-96.65, 17.25], [-96.75, 17.5], [-96.53, 18.03]]]]}, "2014-11-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-99.25, 18.0], [-99.03, 18.53], [-98.68, 18.68], [-98.53, 19.03], [-98.0, 19.25], [-97.75, 19.15], [-97.5, 19.25], [-96.97, 19.03], [-96.75, 18.5], [-96.53, 19.03], [-96.0, 19.25], [-95.75, 19.15], [-95.68, 19.18], [-95.65, 19.25], [-95.75, 19.5], [-95.53, 20.03], [-95.0, 20.25], [-94.75, 20.15], [-94.5, 20.25], [-94.25, 20.15], [-94.0, 20.25], [-93.47, 20.03], [-93.25, 19.5], [-93.35, 19.25], [-93.32, 19.18], [-92.97, 19.03], [-92.75, 18.5], [-92.97, 17.97], [-93.5, 17.75], [-94.0, 17.96], [-94.32, 17.82], [-94.35, 17.75], [-94.25, 17.5], [-94.35, 17.25], [-94.25, 17.0], [-94.35, 16.75], [-94.25, 16.5], [-94.35, 16.25], [-94.25, 16.0], [-94.47, 15.47], [-95.0, 15.25], [-95.53, 15.47], [-95.7, 15.88], [-96.0, 15.75], [-96.25, 15.85], [-96.5, 15.75], [-96.75, 15.85], [-97.0, 15.75], [-97.53, 15.97], [-97.68, 16.32], [-98.03, 16.47], [-98.18, 16.82], [-98.53, 16.97], [-98.68, 17.32], [-99.03, 17.47], [-99.25, 18.0]], [[-96.85, 18.25], [-96.75, 18.0], [-96.65, 18.25], [-96.75, 18.5], [-96.85, 18.25]], [[-96.85, 17.75], [-96.75, 17.5], [-96.65, 17.75], [-96.75, 18.0], [-96.85, 17.75]], [[-96.85, 17.25], [-96.82, 17.18], [-96.75, 17.15], [-96.68, 17.18], [-96.65, 17.25], [-96.75, 17.5], [-96.85, 17.25]]]]}, "2014-11-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-99.25, 18.0], [-99.03, 18.53], [-98.68, 18.68], [-98.53, 19.03], [-98.0, 19.25], [-97.75, 19.15], [-97.5, 19.25], [-96.97, 19.03], [-96.75, 18.5], [-96.53, 19.03], [-96.0, 19.25], [-95.75, 19.15], [-95.68, 19.18], [-95.65, 19.25], [-95.75, 19.5], [-95.53, 20.03], [-95.0, 20.25], [-94.75, 20.15], [-94.5, 20.25], [-94.25, 20.15], [-94.0, 20.25], [-93.47, 20.03], [-93.25, 19.5], [-93.35, 19.25], [-93.32, 19.18], [-92.97, 19.03], [-92.75, 18.5], [-92.97, 17.97], [-93.5, 17.75], [-94.0, 17.96], [-94.32, 17.82], [-94.35, 17.75], [-94.25, 17.5], [-94.35, 17.25], [-94.25, 17.0], [-94.35, 16.75], [-94.25, 16.5], [-94.35, 16.25], [-94.25, 16.0], [-94.47, 15.47], [-95.0, 15.25], [-95.53, 15.47], [-95.7, 15.88], [-96.0, 15.75], [-96.25, 15.85], [-96.5, 15.75], [-96.75, 15.85], [-97.0, 15.75], [-97.53, 15.97], [-97.68, 16.32], [-98.03, 16.47], [-98.18, 16.82], [-98.53, 16.97], [-98.68, 17.32], [-99.03, 17.47], [-99.25, 18.0]], [[-96.85, 18.25], [-96.75, 18.0], [-96.65, 18.25], [-96.75, 18.5], [-96.85, 18.25]], [[-96.85, 17.75], [-96.75, 17.5], [-96.65, 17.75], [-96.75, 18.0], [-96.85, 17.75]], [[-96.85, 17.25], [-96.82, 17.18], [-96.75, 17.15], [-96.68, 17.18], [-96.65, 17.25], [-96.75, 17.5], [-96.85, 17.25]]]]}, "2014-11-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-99.03, 18.53], [-98.68, 18.68], [-98.53, 19.03], [-98.0, 19.25], [-97.75, 19.15], [-97.5, 19.25], [-96.97, 19.03], [-96.75, 18.5], [-96.85, 18.25], [-96.75, 18.0], [-96.85, 17.75], [-96.75, 17.5], [-96.85, 17.25], [-96.82, 17.18], [-96.75, 17.15], [-96.5, 17.25], [-96.25, 17.15], [-96.0, 17.25], [-95.47, 17.03], [-95.25, 16.5], [-95.47, 15.97], [-96.0, 15.75], [-96.25, 15.85], [-96.5, 15.75], [-96.75, 15.85], [-97.0, 15.75], [-97.53, 15.97], [-97.68, 16.32], [-98.03, 16.47], [-98.18, 16.82], [-98.53, 16.97], [-98.68, 17.32], [-99.03, 17.47], [-99.25, 18.0], [-99.03, 18.53]]], [[[-96.65, 18.25], [-96.75, 18.5], [-96.53, 19.03], [-96.0, 19.25], [-95.75, 19.15], [-95.68, 19.18], [-95.65, 19.25], [-95.75, 19.5], [-95.53, 20.03], [-95.0, 20.25], [-94.47, 20.03], [-94.32, 19.68], [-94.25, 19.65], [-94.0, 19.75], [-93.47, 19.53], [-93.32, 19.18], [-92.97, 19.03], [-92.75, 18.5], [-92.97, 17.97], [-93.5, 17.75], [-94.0, 17.96], [-94.32, 17.82], [-94.47, 17.47], [-95.0, 17.25], [-95.25, 17.35], [-95.5, 17.25], [-95.75, 17.35], [-96.0, 17.25], [-96.53, 17.47], [-96.75, 18.0], [-96.65, 18.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -6.104052174500339}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -2.981721425047643}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [20.757371263820517, 18.013404598294414, 17.84440370299626, 18.25036120127953]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [12.339906859686891, 9.212894508571765, 8.005158690240535, 10.895182335025595]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-2.3874641889168373, -3.222541519920057, -3.3942157932264845, -2.463632923250039]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-3.6299530245860865, -5.4201025532275935, -6.104052174500339, -3.2334684055761613]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.4788554502333775, -1.8506425853540922, -1.9330352139664644, -1.4851885744447713]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.6598072747249608, -2.335280463153337, -2.959699356752458, -1.7522514949388939]}}