{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:57:43.607784", "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-09_to_2014-Nov-12_261.0_15.0"}, "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": 2014110000322}, "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 09 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 12 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": 127284.27939018744}, "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": ["N.Central-America", "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": 15.0}, "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": 261.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "261.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 254.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 262.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 13.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 19.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-11-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-101.03, 14.47], [-101.25, 15.0], [-101.03, 15.53], [-100.5, 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[-99.25, 16.15], [-99.0, 16.25], [-98.75, 16.15], [-98.5, 16.25], [-97.97, 16.03], [-97.75, 15.5], [-97.85, 15.25], [-97.82, 15.18], [-97.47, 15.03], [-97.25, 14.5], [-97.47, 13.97], [-97.82, 13.82], [-97.97, 13.47], [-98.5, 13.25], [-99.03, 13.47], [-99.18, 13.82], [-99.53, 13.97], [-99.68, 14.32], [-99.75, 14.35], [-100.0, 14.25], [-100.25, 14.35], [-100.5, 14.25], [-101.03, 14.47], [-101.18, 14.82], [-101.25, 14.85], [-101.5, 14.75], [-101.75, 14.85], [-102.0, 14.75], [-102.53, 14.97], [-102.75, 15.5], [-102.65, 15.75], [-102.68, 15.82], [-103.03, 15.97], [-103.18, 16.32], [-103.25, 16.35], [-103.5, 16.25], [-104.03, 16.47], [-104.25, 17.0], [-104.15, 17.25], [-104.18, 17.32], [-104.25, 17.35], [-104.5, 17.25], [-105.03, 17.47], [-105.18, 17.82], [-105.53, 17.97], [-105.68, 18.32], [-106.03, 18.47], [-106.25, 19.0]]]]}, "2014-11-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-106.25, 19.0], [-106.03, 19.53], [-105.5, 19.75], [-105.25, 19.65], [-105.0, 19.75], 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mean t2m anomalies.", "value": [-1.2466900392468763, -1.6251871827538638, -1.5863156835024246, -1.5035950929368702]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-1.5013589740285624, -2.0895711193737725, -2.524947879347792, -2.0251184700301224]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.7001467481759842, -2.1471362734232886, -2.105430873899066, -1.9919135357220101]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-2.0614885074401506, -2.9605465019751254, -2.6402228346119148, -2.6322460730709163]}}