{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:57:30.850052", "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": "2014-Oct-20_to_2014-Oct-22_285.5_-13.5"}, "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": 2014100000724}, "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": "October 20 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 22 2014"}, "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": 51092.748101418656}, "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": -13.5}, "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": 285.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "285.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 284.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 287.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -15.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -12.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-10-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-75.65, -12.75], [-75.75, -12.5], [-75.53, -11.97], [-75.0, -11.75], [-74.75, -11.85], [-74.5, -11.75], [-74.0, -11.96], [-73.5, -11.75], [-72.97, -11.97], [-72.75, -12.5], [-72.87, -12.8], [-72.47, -12.97], [-72.25, -13.5], [-72.35, -13.75], [-72.25, -14.0], [-72.47, -14.53], [-72.87, -14.7], [-72.75, -15.0], [-72.97, -15.53], [-73.5, -15.75], [-74.03, -15.53], [-74.18, -15.18], [-74.53, -15.03], [-74.68, -14.68], [-75.03, -14.53], [-75.18, -14.18], [-75.53, -14.03], [-75.75, -13.5], [-75.65, -13.25], [-75.75, -13.0], [-75.65, -12.75]]]]}, "2014-10-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-75.65, -12.75], [-75.75, -12.5], [-75.53, -11.97], [-75.0, -11.75], [-74.75, -11.85], [-74.5, -11.75], [-74.0, -11.96], [-73.5, -11.75], [-72.97, -11.97], [-72.75, -12.5], [-72.87, -12.8], [-72.47, -12.97], [-72.25, -13.5], [-72.35, -13.75], [-72.25, -14.0], [-72.47, -14.53], [-72.87, -14.7], [-72.75, -15.0], [-72.97, -15.53], [-73.5, -15.75], [-74.03, -15.53], [-74.18, -15.18], [-74.53, -15.03], [-74.68, -14.68], [-75.03, -14.53], [-75.18, -14.18], [-75.53, -14.03], [-75.75, -13.5], [-75.65, -13.25], [-75.75, -13.0], [-75.65, -12.75]]]]}, "2014-10-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-75.65, -12.75], [-75.75, -12.5], [-75.53, -11.97], [-75.0, -11.75], [-74.75, -11.85], [-74.5, -11.75], [-74.0, -11.96], [-73.5, -11.75], [-72.97, -11.97], [-72.75, -12.5], [-72.87, -12.8], [-72.47, -12.97], [-72.25, -13.5], [-72.35, -13.75], [-72.25, -14.0], [-72.47, -14.53], [-72.87, -14.7], [-72.75, -15.0], [-72.97, -15.53], [-73.5, -15.75], [-74.03, -15.53], [-74.18, -15.18], [-74.53, -15.03], [-74.68, -14.68], [-75.03, -14.53], [-75.18, -14.18], [-75.53, -14.03], [-75.75, -13.5], [-75.65, -13.25], [-75.75, -13.0], [-75.65, -12.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -2.8925310112739453}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -1.4567639881147187}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [7.0146300176411955, 6.62835149252254, 6.907940098467122]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [1.9391405720709827, 1.0489195221983323, 1.4025308053129493]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-1.2513565138671083, -1.6741031025750317, -1.444832347902016]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-1.9571252169798186, -2.8925310112739453, -2.5473432329080765]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.5297103534505871, -2.0890591150443583, -1.889754310167449]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.8193943080039472, -3.630986505924912, -2.426029309253629]}}