{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:46:02.887047", "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-Nov-11_to_2010-Nov-13_296.0_-8.0"}, "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": 2010110000516}, "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 11 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 13 2010"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 61252.4624271051}, "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.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": -8.0}, "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": 296.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "296.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 294.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 297.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -9.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -5.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-11-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-65.75, -6.0], [-65.53, -5.47], [-65.0, -5.25], [-64.75, -5.35], [-64.5, -5.25], [-63.97, -5.47], [-63.82, -5.82], [-63.47, -5.97], [-63.25, -6.5], [-63.35, -6.75], [-63.32, -6.82], [-63.25, -6.85], [-63.0, -6.75], [-62.47, -6.97], [-62.32, -7.32], [-61.97, -7.47], [-61.75, -8.0], [-61.97, -8.53], [-62.32, -8.68], [-62.47, -9.03], [-62.82, -9.18], [-62.85, -9.25], [-62.75, -9.5], [-62.97, -10.03], [-63.5, -10.25], [-64.03, -10.03], [-64.25, -9.5], [-64.15, -9.25], [-64.18, -9.18], [-64.25, -9.15], [-64.5, -9.25], [-65.03, -9.03], [-65.25, -8.5], [-65.15, -8.25], [-65.25, -8.0], [-65.15, -7.75], [-65.25, -7.5], [-65.04, -7.0], [-65.18, -6.68], [-65.53, -6.53], [-65.75, -6.0]]]]}, "2010-11-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-65.75, -6.0], [-65.53, -5.47], [-65.0, -5.25], [-64.75, -5.35], [-64.5, -5.25], [-63.97, -5.47], [-63.82, -5.82], [-63.47, -5.97], [-63.25, -6.5], [-63.35, -6.75], [-63.32, -6.82], [-63.25, -6.85], [-63.0, -6.75], [-62.47, -6.97], [-62.32, -7.32], [-61.97, -7.47], [-61.75, -8.0], [-61.97, -8.53], [-62.32, -8.68], [-62.47, -9.03], [-62.82, -9.18], [-62.85, -9.25], [-62.75, -9.5], [-62.97, -10.03], [-63.5, -10.25], [-64.03, -10.03], [-64.25, -9.5], [-64.15, -9.25], [-64.18, -9.18], [-64.25, -9.15], [-64.5, -9.25], [-65.03, -9.03], [-65.25, -8.5], [-65.15, -8.25], [-65.25, -8.0], [-65.15, -7.75], [-65.25, -7.5], [-65.04, -7.0], [-65.18, -6.68], [-65.53, -6.53], [-65.75, -6.0]]]]}, "2010-11-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-65.75, -6.0], [-65.53, -5.47], [-65.0, -5.25], [-64.75, -5.35], [-64.5, -5.25], [-63.97, -5.47], [-63.82, -5.82], [-63.47, -5.97], [-63.25, -6.5], [-63.35, -6.75], [-63.32, -6.82], [-63.25, -6.85], [-63.0, -6.75], [-62.47, -6.97], [-62.32, -7.32], [-61.97, -7.47], [-61.75, -8.0], [-61.97, -8.53], [-62.32, -8.68], [-62.47, -9.03], [-62.82, -9.18], [-62.85, -9.25], [-62.75, -9.5], [-62.97, -10.03], [-63.5, -10.25], [-64.03, -10.03], [-64.25, -9.5], [-64.15, -9.25], [-64.18, -9.18], [-64.25, -9.15], [-64.5, -9.25], [-65.03, -9.03], [-65.25, -8.5], [-65.15, -8.25], [-65.25, -8.0], [-65.15, -7.75], [-65.25, -7.5], [-65.04, -7.0], [-65.18, -6.68], [-65.53, -6.53], [-65.75, -6.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -2.0192588449292543}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -1.4769641921725774}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [24.87129725825963, 25.03312266660754, 25.107488950194465]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [24.391362593068777, 24.64814569349295, 24.624160820884697]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-1.6461038495660603, -1.443572522498829, -1.3412162044528428]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-2.0192588449292543, -1.6589264522333451, -1.5528260183442057]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.637911853053059, -1.4988247773102235, -1.3766783752164649]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.9059659006046539, -1.8591821067684657, -1.5003157060583234]}}