{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:06:26.928426", "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": "2016-Oct-27_to_2016-Oct-29_288.0_-13.0"}, "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": 2016100000771}, "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 27 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 29 2016"}, "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": 51326.73546519026}, "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": -13.0}, "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": 288.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "288.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 284.25}, "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": -13.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -10.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-10-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-76.03, -10.47], [-75.5, -10.25], [-75.25, -10.35], [-75.0, -10.25], [-74.47, -10.47], [-74.32, -10.82], [-73.97, -10.97], [-73.75, -11.5], [-73.85, -11.75], [-73.75, -12.0], [-73.85, -12.25], [-73.82, -12.32], [-73.5, -12.46], [-73.0, -12.25], [-72.75, -12.35], [-72.68, -12.32], [-72.53, -11.97], [-72.0, -11.75], [-71.47, -11.97], [-71.25, -12.5], [-71.35, -12.75], [-71.25, -13.0], [-71.47, -13.53], [-72.0, -13.75], [-72.25, -13.65], [-72.5, -13.75], [-72.75, -13.65], [-72.82, -13.68], [-72.97, -14.03], [-73.5, -14.25], [-73.75, -14.15], [-74.0, -14.25], [-74.53, -14.03], [-74.68, -13.68], [-75.03, -13.53], [-75.18, -13.18], [-75.53, -13.03], [-75.75, -12.5], [-75.65, -12.25], [-75.68, -12.18], [-76.03, -12.03], [-76.25, -11.5], [-76.15, -11.25], [-76.25, -11.0], [-76.03, -10.47]]]]}, "2016-10-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-76.03, -10.47], [-75.5, -10.25], [-75.25, -10.35], [-75.0, -10.25], [-74.47, -10.47], [-74.32, -10.82], [-73.97, -10.97], [-73.75, -11.5], [-73.85, -11.75], [-73.75, -12.0], [-73.85, -12.25], [-73.82, -12.32], [-73.5, -12.46], [-73.0, -12.25], [-72.75, -12.35], [-72.68, -12.32], [-72.53, -11.97], [-72.0, -11.75], [-71.47, -11.97], [-71.25, -12.5], [-71.35, -12.75], [-71.25, -13.0], [-71.47, -13.53], [-72.0, -13.75], [-72.25, -13.65], [-72.5, -13.75], [-72.75, -13.65], [-72.82, -13.68], [-72.97, -14.03], [-73.5, -14.25], [-73.75, -14.15], [-74.0, -14.25], [-74.53, -14.03], [-74.68, -13.68], [-75.03, -13.53], [-75.18, -13.18], [-75.53, -13.03], [-75.75, -12.5], [-75.65, -12.25], [-75.68, -12.18], [-76.03, -12.03], [-76.25, -11.5], [-76.15, -11.25], [-76.25, -11.0], [-76.03, -10.47]]]]}, "2016-10-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-76.03, -10.47], [-75.5, -10.25], [-75.25, -10.35], [-75.0, -10.25], [-74.47, -10.47], [-74.32, -10.82], [-73.97, -10.97], [-73.75, -11.5], [-73.85, -11.75], [-73.75, -12.0], [-73.85, -12.25], [-73.82, -12.32], [-73.5, -12.46], [-73.0, -12.25], [-72.75, -12.35], [-72.68, -12.32], [-72.53, -11.97], [-72.0, -11.75], [-71.47, -11.97], [-71.25, -12.5], [-71.35, -12.75], [-71.25, -13.0], [-71.47, -13.53], [-72.0, -13.75], [-72.25, -13.65], [-72.5, -13.75], [-72.75, -13.65], [-72.82, -13.68], [-72.97, -14.03], [-73.5, -14.25], [-73.75, -14.15], [-74.0, -14.25], [-74.53, -14.03], [-74.68, -13.68], [-75.03, -13.53], [-75.18, -13.18], [-75.53, -13.03], [-75.75, -12.5], [-75.65, -12.25], [-75.68, -12.18], [-76.03, -12.03], [-76.25, -11.5], [-76.15, -11.25], [-76.25, -11.0], [-76.03, -10.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -3.4749145141297504}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -1.372343372205148}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [10.240376693378494, 10.005787532481918, 10.165030504823392]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [5.426844561206053, 4.648559201911041, 6.602926734373739]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-1.2795665893652914, -1.5015630706549312, -1.335900456595221]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-2.7255701798262066, -3.4749145141297504, -1.9123580395203703]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.7792310931442819, -2.073081958470065, -1.9249635690709814]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-3.1691512676190836, -4.015253423599135, -3.2820041665013098]}}