{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:51:48.136149", "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": "2012-Nov-08_to_2012-Nov-11_310.0_-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": 2012110000400}, "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 08 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 11 2012"}, "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": 194722.87887558044}, "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", "South-American-Monsoon"]}, "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": []}, "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": 310.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "310.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 306.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 312.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -19.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -14.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-11-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-52.5, -16.25], [-52.25, -16.35], [-52.18, -16.32], 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"MultiPolygon", "coordinates": [[[[-52.68, -16.32], [-52.53, -15.97], [-52.18, -15.82], [-52.03, -15.47], [-51.5, -15.25], [-51.25, -15.35], [-51.18, -15.32], [-51.03, -14.97], [-50.5, -14.75], [-49.97, -14.97], [-49.82, -15.32], [-49.75, -15.35], [-49.68, -15.32], [-49.53, -14.97], [-49.18, -14.82], [-49.03, -14.47], [-48.68, -14.32], [-48.53, -13.97], [-48.0, -13.75], [-47.47, -13.97], [-47.25, -14.5], [-47.46, -15.0], [-47.25, -15.5], [-47.47, -16.03], [-47.82, -16.18], [-47.85, -16.25], [-47.82, -16.32], [-47.47, -16.47], [-47.25, -17.0], [-47.35, -17.25], [-47.25, -17.5], [-47.35, -17.75], [-47.25, -18.0], [-47.35, -18.25], [-47.25, -18.5], [-47.47, -19.03], [-48.0, -19.25], [-48.25, -19.15], [-48.5, -19.25], [-48.75, -19.15], [-48.82, -19.18], [-48.85, -19.25], [-48.75, -19.5], [-48.97, -20.03], [-49.5, -20.25], [-49.75, -20.15], [-50.0, -20.25], [-50.25, -20.15], [-50.5, -20.25], [-50.75, -20.15], [-51.0, -20.25], [-51.53, -20.03], [-51.75, -19.5], [-51.57, -19.07], [-52.0, -19.25], [-52.53, -19.03], [-52.75, -18.5], [-52.65, -18.25], [-52.68, -18.18], [-52.75, -18.15], [-53.0, -18.25], [-53.53, -18.03], [-53.75, -17.5], [-53.53, -16.97], [-53.18, -16.82], [-53.03, -16.47], [-52.68, -16.32]]]]}, "2012-11-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-52.68, -16.32], [-52.53, -15.97], [-52.18, -15.82], [-52.03, -15.47], [-51.5, -15.25], [-51.25, -15.35], [-51.18, -15.32], [-51.03, -14.97], [-50.5, -14.75], [-49.97, -14.97], [-49.82, -15.32], [-49.75, -15.35], [-49.68, -15.32], [-49.53, -14.97], [-49.18, -14.82], [-49.03, -14.47], [-48.68, -14.32], [-48.53, -13.97], [-48.0, -13.75], [-47.47, -13.97], [-47.25, -14.5], [-47.46, -15.0], [-47.25, -15.5], [-47.47, -16.03], [-47.82, -16.18], [-47.85, -16.25], [-47.82, -16.32], [-47.47, -16.47], [-47.25, -17.0], [-47.35, -17.25], [-47.25, -17.5], [-47.35, -17.75], [-47.25, -18.0], [-47.35, -18.25], [-47.25, -18.5], [-47.47, -19.03], [-48.0, -19.25], [-48.25, -19.15], [-48.5, -19.25], [-48.75, 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22.560654869617906]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [21.002051838896705, 20.809853645062276, 20.83281247367728, 21.05072455556052]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-2.539364802477043, -2.603766236099021, -2.795083603712987, -2.2116758091460507]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-3.5351085228918464, -3.4106875410593602, -3.713072829449004, -2.6950345592998133]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.4629507244485096, -1.5003049658707237, -1.6765518483264468, -1.3674685423350876]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.9042403742707592, -1.7840260235299017, -2.159410565802524, -1.6438080712183112]}}