{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:48:23.705568", "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": "2011-Sep-20_to_2011-Sep-24_97.0_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": 2011090000924}, "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": "September 20 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 24 2011"}, "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": 77711.81720116962}, "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"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["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"]}, "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": 97.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "97.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 95.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 98.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 12.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 17.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-09-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[97.0, 17.25], [97.53, 17.03], [97.75, 16.5], [97.53, 15.97], [97.0, 15.75], [96.47, 15.97], [96.25, 16.5], [96.47, 17.03], [97.0, 17.25]]]]}, "2011-09-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[97.47, 14.47], [97.25, 15.0], [97.47, 15.53], [98.0, 15.75], [98.53, 15.53], [98.75, 15.0], [98.53, 14.47], [98.0, 14.25], [97.47, 14.47]]], [[[97.53, 17.53], [97.75, 17.0], [97.65, 16.75], [97.75, 16.5], [97.53, 15.97], [97.0, 15.75], [96.75, 15.85], [96.5, 15.75], [95.97, 15.97], [95.75, 16.5], [95.97, 17.03], [96.32, 17.18], [96.47, 17.53], [97.0, 17.75], [97.53, 17.53]]]]}, "2011-09-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[95.25, 15.0], [95.47, 15.53], [95.82, 15.68], [95.96, 16.0], [95.75, 16.5], [95.97, 17.03], [96.32, 17.18], [96.47, 17.53], [97.0, 17.75], [97.53, 17.53], [97.75, 17.0], [97.65, 16.75], [97.68, 16.68], [98.03, 16.53], [98.25, 16.0], [98.15, 15.75], [98.18, 15.68], [98.53, 15.53], [98.75, 15.0], [98.65, 14.75], [98.75, 14.5], [98.65, 14.25], [98.75, 14.0], [98.65, 13.75], [98.68, 13.68], [99.03, 13.53], [99.25, 13.0], [99.03, 12.47], [98.5, 12.25], [98.25, 12.35], [98.0, 12.25], [97.75, 12.35], [97.5, 12.25], [96.97, 12.47], [96.82, 12.82], [96.47, 12.97], [96.25, 13.5], [96.35, 13.75], [96.32, 13.82], [95.97, 13.97], [95.82, 14.32], [95.47, 14.47], [95.25, 15.0]]]]}, "2011-09-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[95.25, 15.0], [95.47, 15.53], [95.82, 15.68], [95.96, 16.0], [95.75, 16.5], [95.97, 17.03], [96.32, 17.18], [96.47, 17.53], [97.0, 17.75], [97.53, 17.53], [97.75, 17.0], [97.65, 16.75], [97.68, 16.68], [98.03, 16.53], [98.25, 16.0], [98.15, 15.75], [98.18, 15.68], [98.53, 15.53], [98.75, 15.0], [98.65, 14.75], [98.75, 14.5], [98.65, 14.25], [98.75, 14.0], [98.65, 13.75], [98.68, 13.68], [99.03, 13.53], [99.25, 13.0], [99.03, 12.47], [98.5, 12.25], [98.25, 12.35], [98.0, 12.25], [97.75, 12.35], [97.5, 12.25], [96.97, 12.47], [96.82, 12.82], [96.47, 12.97], [96.25, 13.5], [96.35, 13.75], [96.32, 13.82], [95.97, 13.97], [95.82, 14.32], [95.47, 14.47], [95.25, 15.0]]]]}, "2011-09-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[95.25, 15.0], [95.47, 15.53], [95.82, 15.68], [95.96, 16.0], [95.75, 16.5], [95.97, 17.03], [96.32, 17.18], [96.47, 17.53], [97.0, 17.75], [97.53, 17.53], [97.75, 17.0], [97.65, 16.75], [97.68, 16.68], [98.03, 16.53], [98.25, 16.0], [98.15, 15.75], [98.25, 15.5], [98.15, 15.25], [98.18, 15.18], [98.53, 15.03], [98.75, 14.5], [98.65, 14.25], [98.75, 14.0], [98.65, 13.75], [98.68, 13.68], [99.03, 13.53], [99.25, 13.0], [99.03, 12.47], [98.5, 12.25], [98.25, 12.35], [98.0, 12.25], [97.75, 12.35], [97.5, 12.25], [96.97, 12.47], [96.82, 12.82], [96.47, 12.97], [96.25, 13.5], [96.35, 13.75], [96.32, 13.82], [95.97, 13.97], [95.82, 14.32], [95.47, 14.47], [95.25, 15.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -1.531365815410311}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -0.8890660410492905}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.021228919754606, 25.59771634546405, 25.777302022580045, 25.76108335026845, 25.975121706768107]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.021228919754606, 24.374486609737744, 24.42258044384556, 24.22462559398008, 25.148938791327623]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-0.664358482778141, -0.9393158509440127, -0.9125729405330324, -0.947083951039767, -0.8052285719437942]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-0.664358482778141, -1.2573601235829983, -1.2781323180030881, -1.531365815410311, -0.9697982900929105]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.330948651658366, -1.4813256962443067, -1.547350570842627, -1.542913799121836, -1.2927443270816337]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.330948651658366, -1.6623515223961123, -1.9652729737282768, -1.9597645649193036, -1.5763450125943699]}}