{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:53:36.908509", "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": "2024-Nov-05_to_2024-Nov-10_94.5_17.0"}, "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": 2024110000118}, "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 05 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 10 2024"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 397690.2275158611}, "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": ["Myanmar", "Thailand"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Bay-of-Bengal", "S.Asia", "S.E.Asia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia"]}, "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": ["Andaman or Burma Sea", "Bay of Bengal"]}, "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": 17.0}, "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": 94.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "94.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 92.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 97.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 12.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 22.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-11-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[93.5, 13.75], [94.03, 13.53], [94.25, 13.0], [94.03, 12.47], [93.5, 12.25], [92.97, 12.47], [92.75, 13.0], [92.97, 13.53], [93.5, 13.75]]]]}, "2024-11-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[91.75, 16.5], [91.97, 17.03], [92.32, 17.18], [92.47, 17.53], [93.0, 17.75], [93.25, 17.65], [93.5, 17.75], [93.93, 17.57], [93.75, 18.0], [93.85, 18.25], [93.82, 18.32], [93.47, 18.47], [93.25, 19.0], [93.35, 19.25], [93.25, 19.5], [93.35, 19.75], [93.25, 20.0], [93.35, 20.25], [93.25, 20.5], [93.35, 20.75], [93.25, 21.0], [93.47, 21.53], [93.82, 21.68], [93.85, 21.75], [93.75, 22.0], [93.97, 22.53], [94.5, 22.75], [95.03, 22.53], [95.18, 22.18], [95.25, 22.15], [95.5, 22.25], [96.0, 22.04], [96.32, 22.18], [96.47, 22.53], [97.0, 22.75], [97.25, 22.65], [97.5, 22.75], [98.03, 22.53], [98.25, 22.0], [98.15, 21.75], [98.25, 21.5], [98.15, 21.25], [98.25, 21.0], [98.15, 20.75], [98.25, 20.5], [98.03, 19.97], [97.68, 19.82], [97.65, 19.75], [97.75, 19.5], [97.65, 19.25], [97.75, 19.0], [97.53, 18.47], [97.0, 18.25], [96.7, 18.38], [96.65, 18.25], [96.75, 18.0], [96.53, 17.47], [96.18, 17.32], [96.03, 16.97], [95.5, 16.75], [95.25, 16.85], [95.18, 16.82], [95.15, 16.75], [95.18, 16.68], [95.53, 16.53], [95.68, 16.18], [96.03, 16.03], [96.25, 15.5], [96.15, 15.25], [96.18, 15.18], [96.53, 15.03], [96.75, 14.5], [96.65, 14.25], [96.75, 14.0], [96.65, 13.75], [96.75, 13.5], [96.65, 13.25], [96.75, 13.0], [96.53, 12.47], [96.0, 12.25], [95.75, 12.35], [95.5, 12.25], [95.25, 12.35], [95.0, 12.25], [94.75, 12.35], [94.5, 12.25], [94.25, 12.35], [94.0, 12.25], [93.75, 12.35], [93.5, 12.25], [92.97, 12.47], [92.75, 13.0], [92.85, 13.25], [92.82, 13.32], [92.47, 13.47], [92.25, 14.0], [92.35, 14.25], [92.25, 14.5], [92.35, 14.75], [92.25, 15.0], [92.35, 15.25], [92.25, 15.5], [92.35, 15.75], [92.32, 15.82], [91.97, 15.97], [91.75, 16.5]]]]}, "2024-11-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[91.75, 16.5], [91.97, 17.03], [92.32, 17.18], [92.47, 17.53], [92.82, 17.68], [92.97, 18.03], [93.32, 18.18], [93.35, 18.25], [93.32, 18.32], [92.97, 18.47], [92.75, 19.0], [92.97, 19.53], [93.32, 19.68], [93.35, 19.75], [93.25, 20.0], [93.35, 20.25], [93.25, 20.5], [93.35, 20.75], [93.25, 21.0], [93.47, 21.53], [93.82, 21.68], [93.85, 21.75], [93.75, 22.0], [93.97, 22.53], [94.5, 22.75], [95.03, 22.53], [95.18, 22.18], [95.25, 22.15], [95.5, 22.25], [96.0, 22.04], [96.32, 22.18], [96.47, 22.53], [97.0, 22.75], [97.25, 22.65], [97.5, 22.75], [98.03, 22.53], [98.25, 22.0], [98.15, 21.75], [98.25, 21.5], [98.15, 21.25], [98.25, 21.0], [98.15, 20.75], [98.25, 20.5], [98.15, 20.25], [98.25, 20.0], [98.15, 19.75], [98.25, 19.5], [98.15, 19.25], [98.25, 19.0], [98.15, 18.75], [98.25, 18.5], [98.15, 18.25], [98.25, 18.0], [98.03, 17.47], [97.68, 17.32], [97.65, 17.25], [97.75, 17.0], [97.53, 16.47], [97.18, 16.32], [97.03, 15.97], [96.5, 15.75], [96.25, 15.85], [96.18, 15.82], [96.15, 15.75], [96.25, 15.5], [96.15, 15.25], [96.18, 15.18], [96.53, 15.03], [96.75, 14.5], [96.65, 14.25], [96.75, 14.0], [96.65, 13.75], [96.75, 13.5], [96.65, 13.25], [96.75, 13.0], [96.53, 12.47], [96.18, 12.32], [96.03, 11.97], [95.5, 11.75], [95.25, 11.85], [95.0, 11.75], [94.47, 11.97], [94.32, 12.32], [94.25, 12.35], [94.0, 12.25], [93.75, 12.35], [93.5, 12.25], [92.97, 12.47], [92.75, 13.0], [92.85, 13.25], [92.82, 13.32], [92.47, 13.47], [92.25, 14.0], [92.35, 14.25], [92.25, 14.5], [92.35, 14.75], [92.25, 15.0], [92.35, 15.25], [92.25, 15.5], [92.35, 15.75], [92.32, 15.82], [91.97, 15.97], [91.75, 16.5]]]]}, "2024-11-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[91.75, 16.5], [91.97, 17.03], [92.32, 17.18], [92.47, 17.53], [92.82, 17.68], [92.97, 18.03], [93.32, 18.18], [93.35, 18.25], [93.32, 18.32], [92.97, 18.47], [92.75, 19.0], [92.85, 19.25], [92.75, 19.5], [92.97, 20.03], [93.32, 20.18], [93.35, 20.25], [93.25, 20.5], [93.35, 20.75], [93.25, 21.0], [93.47, 21.53], [93.82, 21.68], [93.85, 21.75], [93.75, 22.0], [93.97, 22.53], [94.5, 22.75], [95.03, 22.53], [95.18, 22.18], [95.25, 22.15], [95.5, 22.25], [96.0, 22.04], [96.32, 22.18], [96.47, 22.53], [97.0, 22.75], [97.25, 22.65], [97.5, 22.75], [98.03, 22.53], [98.25, 22.0], [98.15, 21.75], [98.25, 21.5], [98.15, 21.25], [98.25, 21.0], [98.15, 20.75], [98.25, 20.5], [98.15, 20.25], [98.25, 20.0], [98.15, 19.75], [98.25, 19.5], [98.15, 19.25], [98.25, 19.0], [98.15, 18.75], [98.25, 18.5], [98.15, 18.25], [98.25, 18.0], [98.03, 17.47], [97.68, 17.32], [97.65, 17.25], [97.75, 17.0], [97.53, 16.47], [97.18, 16.32], [97.03, 15.97], [96.5, 15.75], [96.25, 15.85], [96.18, 15.82], [96.15, 15.75], [96.25, 15.5], [96.15, 15.25], [96.18, 15.18], [96.53, 15.03], [96.75, 14.5], [96.65, 14.25], [96.75, 14.0], [96.65, 13.75], [96.75, 13.5], [96.65, 13.25], [96.75, 13.0], [96.53, 12.47], [96.18, 12.32], [96.03, 11.97], [95.5, 11.75], [95.25, 11.85], [95.0, 11.75], [94.47, 11.97], [94.32, 12.32], [94.25, 12.35], [94.0, 12.25], [93.47, 12.47], [93.32, 12.82], [92.97, 12.97], [92.82, 13.32], [92.47, 13.47], [92.25, 14.0], [92.35, 14.25], [92.25, 14.5], [92.35, 14.75], [92.25, 15.0], [92.35, 15.25], [92.25, 15.5], [92.35, 15.75], [92.32, 15.82], [91.97, 15.97], [91.75, 16.5]]]]}, "2024-11-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[95.0, 13.75], [95.53, 13.53], [95.68, 13.18], [96.03, 13.03], [96.25, 12.5], [96.03, 11.97], [95.5, 11.75], [95.25, 11.85], [95.0, 11.75], [94.47, 11.97], [94.25, 12.5], [94.35, 12.75], [94.25, 13.0], [94.47, 13.53], [95.0, 13.75]]], [[[92.25, 17.0], [92.47, 17.53], [92.82, 17.68], [92.97, 18.03], [93.32, 18.18], [93.35, 18.25], [93.32, 18.32], [92.97, 18.47], [92.75, 19.0], [92.85, 19.25], [92.75, 19.5], [92.97, 20.03], [93.5, 20.25], [93.8, 20.13], [93.97, 20.53], [94.32, 20.68], [94.35, 20.75], [94.25, 21.0], [94.47, 21.53], [95.0, 21.75], [95.25, 21.65], [95.5, 21.75], [95.75, 21.65], [96.0, 21.75], [96.53, 21.53], [96.7, 21.13], [97.0, 21.25], [97.53, 21.03], [97.68, 20.68], [98.03, 20.53], [98.25, 20.0], [98.15, 19.75], [98.25, 19.5], [98.15, 19.25], [98.25, 19.0], [98.15, 18.75], [98.25, 18.5], [98.15, 18.25], [98.25, 18.0], [98.03, 17.47], [97.68, 17.32], [97.65, 17.25], [97.75, 17.0], [97.53, 16.47], [97.18, 16.32], [97.03, 15.97], [96.5, 15.75], [96.25, 15.85], [96.18, 15.82], [96.15, 15.75], [96.25, 15.5], [96.03, 14.97], [95.5, 14.75], [95.25, 14.85], [95.0, 14.75], [94.75, 14.85], [94.5, 14.75], [94.25, 14.85], [94.0, 14.75], [93.75, 14.85], [93.5, 14.75], [92.97, 14.97], [92.82, 15.32], [92.47, 15.47], [92.25, 16.0], [92.35, 16.25], [92.25, 16.5], [92.35, 16.75], [92.25, 17.0]]]]}, "2024-11-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[92.75, 19.5], [92.97, 20.03], [93.5, 20.25], [94.03, 20.03], [94.25, 19.5], [94.13, 19.2], [94.53, 19.03], [94.75, 18.5], [94.53, 17.97], [94.0, 17.75], [93.47, 17.97], [93.25, 18.5], [93.38, 18.8], [92.97, 18.97], [92.75, 19.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -4.917442714703384}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -2.3606652025422976}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.497986094156943, 24.135989270891457, 23.392018093279944, 23.334886245347946, 23.887723399974675, 26.17712809244796]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.497986094156943, 16.6740496317546, 15.70791905721029, 15.000998433430993, 18.55122528076174, 26.03149820963546]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-0.9768671741424555, -1.7167307486558088, -2.618181466563286, -2.647809163724449, -2.3385085419411293, -1.264232711520009]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-0.9768671741424555, -2.9924502653223044, -4.91498098629819, -4.917442714703384, -3.8476684577678952, -1.3612975369163678]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.3858327632992984, -1.7934161407419154, -2.5719348039155294, -2.579608349457772, -2.221611295231179, -1.5218071751872464]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.3858327632992984, -2.6606458047715638, -4.5029533008265865, -4.470930216425107, -3.6746161855432704, -1.6110669226651262]}}