{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:45:23.074302", "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-Aug-04_to_2010-Aug-07_287.0_-12.0"}, "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": 2010080000254}, "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": "August 04 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 07 2010"}, "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": 82293.47611204293}, "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": ["Peru"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.W.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": -12.0}, "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": 287.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "287.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 282.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 288.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -12.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -6.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-08-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-77.53, -6.47], [-77.0, -6.25], [-76.47, -6.47], [-76.32, 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[-77.75, -7.0], [-77.53, -6.47]]]]}, "2010-08-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-77.53, -6.47], [-77.0, -6.25], [-76.47, -6.47], [-76.32, -6.82], [-76.25, -6.85], [-76.0, -6.75], [-75.75, -6.85], [-75.5, -6.75], [-74.97, -6.97], [-74.75, -7.5], [-74.85, -7.75], [-74.75, -8.0], [-74.85, -8.25], [-74.75, -8.5], [-74.85, -8.75], [-74.82, -8.82], [-74.5, -8.96], [-74.0, -8.75], [-73.47, -8.97], [-73.25, -9.5], [-73.35, -9.75], [-73.25, -10.0], [-73.37, -10.3], [-72.97, -10.47], [-72.82, -10.82], [-72.47, -10.97], [-72.32, -11.32], [-72.25, -11.35], [-72.0, -11.25], [-71.47, -11.47], [-71.25, -12.0], [-71.47, -12.53], [-72.0, -12.75], [-72.25, -12.65], [-72.5, -12.75], [-72.75, -12.65], [-73.0, -12.75], [-73.53, -12.53], [-73.68, -12.18], [-74.03, -12.03], [-74.18, -11.68], [-74.53, -11.53], [-74.68, -11.18], [-74.75, -11.15], [-75.0, -11.25], [-75.53, -11.03], [-75.75, -10.5], [-75.65, -10.25], [-75.68, -10.18], [-76.03, -10.03], [-76.18, -9.68], [-76.53, 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[-75.97, -9.03], [-76.5, -9.25], [-77.03, -9.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -4.038307884494714}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -2.493175173919329}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [19.67281139643586, 19.539155639180763, 19.60680911920673, 20.187151245962752]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [12.423997608643333, 11.734971133760439, 11.825404818642937, 17.56740303688406]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-2.2403287312774935, -2.666410912573545, -2.6235253223324926, -2.28032474117781]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-2.867841927892016, -3.5876009812735674, -4.038307884494714, -2.65770228823294]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.725989333864976, -2.015378506152089, -1.9179608393831968, -1.575971774960883]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-2.1732444385367886, -2.4097727582507975, -2.618047689008589, -1.6775534808860335]}}