{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:52:50.677216", "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": "2013-Mar-24_to_2013-Mar-28_310.5_-17.5"}, "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": 2013030000765}, "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": "March 24 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 28 2013"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 88150.04922135267}, "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.E.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": -17.5}, "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": 310.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "310.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 308.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 312.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -19.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -15.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-03-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-50.5, -15.25], [-49.97, -15.47], [-49.75, -16.0], [-49.97, -16.53], [-50.5, -16.75], [-51.03, -16.53], [-51.25, -16.0], [-51.03, -15.47], [-50.5, -15.25]]]]}, "2013-03-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-51.53, -16.47], [-51.18, -16.32], [-51.15, -16.25], [-51.25, -16.0], [-51.03, -15.47], [-50.5, -15.25], [-49.97, -15.47], [-49.75, -16.0], [-49.85, -16.25], [-49.82, -16.32], [-49.75, -16.35], [-49.5, -16.25], [-48.97, -16.47], [-48.82, -16.82], [-48.47, -16.97], [-48.32, -17.32], [-47.97, -17.47], [-47.82, -17.82], [-47.47, -17.97], [-47.25, -18.5], [-47.35, -18.75], [-47.25, -19.0], [-47.35, -19.25], [-47.25, -19.5], [-47.47, -20.03], [-48.0, -20.25], [-48.53, -20.03], [-48.68, -19.68], [-48.75, -19.65], [-49.0, -19.75], [-49.25, -19.65], [-49.32, -19.68], [-49.47, -20.03], [-50.0, -20.25], [-50.53, -20.03], [-50.68, -19.68], [-51.03, -19.53], [-51.18, -19.18], [-51.25, -19.15], [-51.5, -19.25], [-52.03, -19.03], [-52.25, -18.5], [-52.03, -17.97], [-51.62, -17.8], [-51.75, -17.5], [-51.65, -17.25], [-51.75, -17.0], [-51.53, -16.47]]]]}, "2013-03-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-51.53, -16.47], [-51.18, -16.32], [-51.15, -16.25], [-51.25, -16.0], [-51.03, -15.47], [-50.5, -15.25], [-49.97, -15.47], [-49.75, -16.0], [-49.85, -16.25], [-49.82, -16.32], [-49.75, -16.35], [-49.5, -16.25], [-48.97, -16.47], [-48.82, -16.82], [-48.47, -16.97], [-48.32, -17.32], [-47.97, -17.47], [-47.82, -17.82], [-47.47, -17.97], [-47.25, -18.5], [-47.35, -18.75], [-47.25, -19.0], [-47.35, -19.25], [-47.25, -19.5], [-47.47, -20.03], [-48.0, -20.25], [-48.53, -20.03], [-48.68, -19.68], [-48.75, -19.65], [-49.0, -19.75], [-49.25, -19.65], [-49.32, -19.68], [-49.47, -20.03], [-50.0, -20.25], [-50.53, -20.03], [-50.68, -19.68], [-51.03, -19.53], [-51.18, -19.18], [-51.25, -19.15], [-51.5, -19.25], [-52.03, -19.03], [-52.25, -18.5], [-52.03, -17.97], [-51.62, -17.8], [-51.75, -17.5], [-51.65, -17.25], [-51.75, -17.0], [-51.53, -16.47]]]]}, "2013-03-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-51.53, -16.47], [-51.18, -16.32], [-51.03, -15.97], [-50.5, -15.75], [-49.97, -15.97], [-49.82, -16.32], [-49.75, -16.35], [-49.5, -16.25], [-48.97, -16.47], [-48.82, -16.82], [-48.47, -16.97], [-48.32, -17.32], [-47.97, -17.47], [-47.82, -17.82], [-47.47, -17.97], [-47.25, -18.5], [-47.35, -18.75], [-47.25, -19.0], [-47.35, -19.25], [-47.25, -19.5], [-47.47, -20.03], [-48.0, -20.25], [-48.53, -20.03], [-48.68, -19.68], [-48.75, -19.65], [-49.0, -19.75], [-49.25, -19.65], [-49.32, -19.68], [-49.47, -20.03], [-50.0, -20.25], [-50.53, -20.03], [-50.68, -19.68], [-51.03, -19.53], [-51.18, -19.18], [-51.25, -19.15], [-51.5, -19.25], [-52.03, -19.03], [-52.25, -18.5], [-52.03, -17.97], [-51.62, -17.8], [-51.75, -17.5], [-51.65, -17.25], [-51.75, -17.0], [-51.53, -16.47]]]]}, "2013-03-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-51.03, -15.97], [-50.5, -15.75], [-49.97, -15.97], [-49.82, -16.32], [-49.75, -16.35], [-49.5, -16.25], 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22.008373028182575]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-1.5518346358814483, -2.030409643590927, -1.947461218417781, -1.7076217670966607, -1.8564373401350898]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-1.5518346358814483, -2.55906516900626, -2.2356857153959595, -2.1935609114336216, -2.2425311165567337]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.251811143889053, -1.7774889623251149, -1.6818708672783382, -1.393884392767778, -1.4992650736876283]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.251811143889053, -2.152236952301308, 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