{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:20:02.217541", "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": "2019-Jul-04_to_2019-Jul-06_295.5_-32.5"}, "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": 2019070000218}, "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": "July 04 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 06 2019"}, "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": 57667.82368136929}, "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": ["Argentina"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.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": -32.5}, "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": 295.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "295.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 295.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 299.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -33.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -30.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-07-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-65.15, -32.25], [-65.25, -32.0], [-65.03, -31.47], [-64.68, -31.32], [-64.53, -30.97], [-64.0, -30.75], [-63.47, -30.97], [-63.32, -31.32], [-63.25, -31.35], [-63.18, -31.32], [-63.03, -30.97], [-62.5, -30.75], [-62.25, -30.85], [-62.18, -30.82], [-62.03, -30.47], [-61.5, -30.25], [-61.25, -30.35], [-61.0, -30.25], [-60.47, -30.47], [-60.25, -31.0], [-60.35, -31.25], [-60.25, -31.5], [-60.35, -31.75], [-60.25, -32.0], [-60.47, -32.53], [-61.0, -32.75], [-61.25, -32.65], [-61.5, -32.75], [-61.75, -32.65], [-61.82, -32.68], [-61.97, -33.03], [-62.5, -33.25], [-62.75, -33.15], [-62.82, -33.18], [-62.97, -33.53], [-63.5, -33.75], [-64.0, -33.54], [-64.5, -33.75], [-65.03, -33.53], [-65.25, -33.0], [-65.15, -32.75], [-65.25, -32.5], [-65.15, -32.25]]]]}, "2019-07-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-65.15, -32.25], [-65.25, -32.0], [-65.03, -31.47], [-64.68, -31.32], [-64.53, -30.97], [-64.0, -30.75], [-63.47, -30.97], [-63.32, -31.32], [-63.25, -31.35], [-63.18, -31.32], [-63.03, -30.97], [-62.5, -30.75], [-62.25, -30.85], [-62.18, -30.82], [-62.03, -30.47], [-61.5, -30.25], [-61.25, -30.35], [-61.0, -30.25], [-60.47, -30.47], [-60.25, -31.0], [-60.35, -31.25], [-60.25, -31.5], [-60.35, -31.75], [-60.25, -32.0], [-60.47, -32.53], [-61.0, -32.75], [-61.25, -32.65], [-61.5, -32.75], [-61.75, -32.65], [-61.82, -32.68], [-61.97, -33.03], [-62.5, -33.25], [-62.75, -33.15], [-62.82, -33.18], [-62.97, -33.53], [-63.5, -33.75], [-64.0, -33.54], [-64.5, -33.75], [-65.03, -33.53], [-65.25, -33.0], [-65.15, -32.75], [-65.25, -32.5], [-65.15, -32.25]]]]}, "2019-07-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-65.15, -32.25], [-65.25, -32.0], [-65.03, -31.47], [-64.68, -31.32], [-64.53, -30.97], [-64.0, -30.75], [-63.47, -30.97], [-63.32, -31.32], [-63.25, -31.35], [-63.18, -31.32], [-63.03, -30.97], [-62.5, -30.75], [-62.25, -30.85], [-62.18, -30.82], [-62.03, -30.47], [-61.5, -30.25], [-61.25, -30.35], [-61.0, -30.25], [-60.47, -30.47], [-60.25, -31.0], [-60.35, -31.25], [-60.25, -31.5], [-60.35, -31.75], [-60.25, -32.0], [-60.47, -32.53], [-61.0, -32.75], [-61.25, -32.65], [-61.5, -32.75], [-61.75, -32.65], [-61.82, -32.68], [-61.97, -33.03], [-62.5, -33.25], [-62.75, -33.15], [-62.82, -33.18], [-62.97, -33.53], [-63.5, -33.75], [-64.0, -33.54], [-64.5, -33.75], [-65.03, -33.53], [-65.25, -33.0], [-65.15, -32.75], [-65.25, -32.5], [-65.15, -32.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -6.893950545279893}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -5.240767964647311}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [5.838005022352604, 4.414931694467953, 4.878206777768696]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [3.8701584074752873, 2.063439344207154, 3.1563213320214345]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-4.617602503698854, -5.907490933593056, -5.197210456650024]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-5.234503063028228, -6.24550671772198, -6.893950545279893]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.2995931732523625, -1.6911083907932936, -1.4638659829295855]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.4065767022784859, -2.1211115205264246, -1.660342576683244]}}