{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:26:51.273905", "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": "2021-Aug-03_to_2021-Aug-06_291.0_4.0"}, "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": 2021080000259}, "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 03 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 06 2021"}, "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": 61684.966953729614}, "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": ["Colombia", "Venezuela, Bolivarian Republic of"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["America", "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": 4.0}, "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": 291.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "291.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 290.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 293.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 2.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 5.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "Polygon", "coordinates": [[[-70.25, 3.5], [-70.146, 3.75], [-70.25, 4.0], [-70.146, 4.25], [-70.25, 4.5], [-70.146, 4.75], [-70.25, 5.0], [-70.03, 5.53], [-69.5, 5.75], [-69.25, 5.646], [-69.0, 5.75], [-68.47, 5.53], [-68.323, 5.177], [-67.97, 5.03], [-67.823, 4.677], [-67.75, 4.646], [-67.5, 4.75], [-67.25, 4.646], [-67.0, 4.75], [-66.47, 4.53], [-66.25, 4.0], [-66.354, 3.75], [-66.25, 3.5], [-66.47, 2.97], [-67.0, 2.75], [-67.53, 2.97], [-67.677, 3.323], [-67.75, 3.354], [-67.823, 3.323], [-67.957, 3.0], [-67.75, 2.5], [-67.97, 1.97], [-68.323, 1.823], [-68.47, 1.47], [-69.0, 1.25], [-69.53, 1.47], [-69.677, 1.823], [-70.03, 1.97], [-70.25, 2.5], [-70.146, 2.75], [-70.25, 3.0], [-70.146, 3.25], [-70.25, 3.5]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-08-03T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[-70.14644660940672, 2.75], [-70.25, 3.0], [-70.14644660940672, 3.25], [-70.25, 3.5], 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"anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-1.6566770959960309, -2.0851985306303504, -1.9903053079517576, -0.9750000993038839]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.5880734015155082, -2.167748752025907, -1.8213936510510678, -1.382624719003946]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-2.1520120405916803, -2.836362708301237, -2.2706121078265142, -1.382624719003946]}}