{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:47:40.768770", "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-Jun-13_to_2011-Jun-19_322.0_-14.5"}, "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": 2011060000675}, "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 13 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 19 2011"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 71500.12366773053}, "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": ["Brazil"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.E.South-America"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["South 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": ["South Atlantic 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": -14.5}, "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": 322.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "322.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 321.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 325.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -18.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -12.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-06-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-37.0, -15.25], [-36.47, -15.47], [-36.25, -16.0], [-36.47, -16.53], [-37.0, -16.75], [-37.53, -16.53], [-37.75, -16.0], [-37.53, -15.47], [-37.0, -15.25]]]]}, "2011-06-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-37.75, -16.0], [-37.53, -15.47], [-37.0, -15.25], [-36.47, -15.47], [-36.32, -15.82], [-35.97, -15.97], [-35.82, -16.32], [-35.47, -16.47], [-35.32, -16.82], [-34.97, -16.97], [-34.75, -17.5], [-34.85, -17.75], [-34.82, -17.82], [-34.47, -17.97], [-34.25, -18.5], [-34.47, -19.03], [-35.0, -19.25], [-35.53, -19.03], [-35.68, -18.68], [-36.03, -18.53], [-36.18, -18.18], [-36.53, -18.03], [-36.68, -17.68], [-37.03, -17.53], [-37.25, -17.0], [-37.15, -16.75], [-37.18, -16.68], [-37.53, -16.53], [-37.75, -16.0]]]]}, "2011-06-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-38.75, -14.5], [-38.53, -13.97], [-38.18, -13.82], [-38.03, -13.47], [-37.5, -13.25], [-36.97, -13.47], [-36.82, -13.82], [-36.75, -13.85], [-36.5, -13.75], [-35.97, -13.97], [-35.82, -14.32], [-35.47, -14.47], [-35.25, -15.0], 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t2m", "description": "The daily evolution of maximum t2m.", "value": [24.174470414872303, 23.301702488370438, 22.982070020564322, 23.362784931661963, 23.060523793628022, 23.41077827996247, 23.467901676003805]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-0.7873401663738377, -0.98388705437727, -1.3370469550619362, -1.096852182952115, -1.1272383510515418, -1.2086663223116554, -1.1796277500719725]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-0.7873401663738377, -1.1023761461204913, -1.7889693362309913, -1.550069418052317, -1.7251114132135967, -1.3913419654720087, -1.3769685112403636]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.4256515690827842, -1.7490778285053021, -2.3810506917515615, -1.9535304183667337, -1.9226556896264106, -1.8717933356476555, -1.7576920617352325]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.4256515690827842, -2.007539156680935, -3.2638533331607915, -2.567942096774537, -2.47523892684694, -2.0417985069900992, -2.049905077431853]}}