{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:44:51.764067", "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": "2010-Jun-13_to_2010-Jun-17_321.5_-8.5"}, "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": 2010060000466}, "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 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 17 2010"}, "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": 103832.68841743587}, "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": []}, "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": -8.5}, "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": 321.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "321.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 319.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 324.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -10.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -7.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-06-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-40.75, -8.5], [-40.53, -7.97], [-40.0, -7.75], [-39.75, 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[-37.25, -7.35], [-37.0, -7.25], [-36.47, -7.47], [-36.3, -7.88], [-36.0, -7.75], [-35.47, -7.97], [-35.25, -8.5], [-35.35, -8.75], [-35.25, -9.0], [-35.47, -9.53], [-35.82, -9.68], [-35.97, -10.03], [-36.5, -10.25], [-36.75, -10.15], [-36.82, -10.18], [-36.97, -10.53], [-37.5, -10.75], [-38.0, -10.54], [-38.5, -10.75], [-38.75, -10.65], [-39.0, -10.75], [-39.25, -10.65], [-39.5, -10.75], [-40.03, -10.53], [-40.25, -10.0], [-40.15, -9.75], [-40.25, -9.5], [-40.15, -9.25], [-40.18, -9.18], [-40.53, -9.03], [-40.75, -8.5]]]]}, "2010-06-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-40.75, -8.5], [-40.53, -7.97], [-40.0, -7.75], [-39.75, -7.85], [-39.68, -7.82], [-39.53, -7.47], [-39.18, -7.32], [-39.03, -6.97], [-38.5, -6.75], [-38.25, -6.85], [-38.0, -6.75], [-37.47, -6.97], [-37.32, -7.32], [-37.25, -7.35], [-37.0, -7.25], [-36.47, -7.47], [-36.3, -7.88], [-36.0, -7.75], [-35.47, -7.97], [-35.25, -8.5], [-35.35, -8.75], [-35.25, -9.0], [-35.47, -9.53], [-35.82, -9.68], [-35.97, -10.03], [-36.5, -10.25], [-36.75, -10.15], [-36.82, -10.18], [-36.97, -10.53], [-37.5, -10.75], [-38.0, -10.54], [-38.5, -10.75], [-38.75, -10.65], [-39.0, -10.75], [-39.25, -10.65], [-39.5, -10.75], [-40.03, -10.53], [-40.25, -10.0], [-40.15, -9.75], [-40.25, -9.5], [-40.15, -9.25], [-40.18, -9.18], [-40.53, -9.03], [-40.75, -8.5]]]]}, "2010-06-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-38.5, -7.25], [-38.25, -7.35], [-38.0, -7.25], [-37.47, -7.47], [-37.32, -7.82], [-37.25, -7.85], [-37.0, -7.75], [-36.5, -7.96], [-36.0, -7.75], [-35.47, -7.97], [-35.25, -8.5], [-35.47, -9.03], [-35.82, -9.18], [-35.97, -9.53], [-36.5, -9.75], [-36.75, -9.65], [-37.0, -9.75], [-37.53, -9.53], [-37.68, -9.18], [-37.75, -9.15], [-38.0, -9.25], [-38.25, -9.15], [-38.5, -9.25], [-38.75, -9.15], [-39.0, -9.25], [-39.53, -9.03], [-39.75, -8.5], [-39.53, -7.97], [-39.18, -7.82], [-39.03, -7.47], [-38.5, -7.25]]]]}, "2010-06-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-39.53, -9.03], [-39.75, -8.5], [-39.53, -7.97], [-39.0, -7.75], [-38.75, -7.85], [-38.5, -7.75], [-37.97, -7.97], [-37.75, -8.5], [-37.97, -9.03], [-38.5, -9.25], [-38.75, -9.15], [-39.0, -9.25], [-39.53, -9.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -2.5758176412927014}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -1.723550391535481}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [22.137021172392792, 21.562540221287293, 21.70551475666491, 21.756035811071172, 23.230558650310172]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [19.8126394908507, 19.3061801335748, 19.31510161629967, 19.916640849651856, 23.18809900104577]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-1.5515730887143455, -1.9928233346788067, -1.800634074085533, -1.2054633877019512, -1.2635482704644403]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-2.3856077176016015, -2.524155203616658, -2.5758176412927014, -1.5194656215173836, -1.3141404724262884]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.774815384415677, -2.426194888629354, -2.20406527748717, -1.4638807054816443, -1.4415071056952873]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-2.3872041646157847, -3.0472265948239694, -2.958825337316566, -1.5585148983350672, -1.4531893994530205]}}