{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:02:14.387952", "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": "2015-Jan-27_to_2015-Feb-01_312.5_-2.0"}, "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": 2015010002829}, "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": "January 27 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 01 2015"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": "Heat wave"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 55600.80246247288}, "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"]}, "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": ["South Atlantic Ocean"]}, "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": -2.0}, "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": 312.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "312.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 311.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 314.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -3.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -0.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-01-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-48.53, -1.47], [-48.0, -1.25], [-47.75, -1.35], [-47.5, -1.25], [-46.97, -1.47], [-46.75, -2.0], [-46.97, -2.53], [-47.32, -2.68], [-47.47, -3.03], [-48.0, -3.25], [-48.53, -3.03], [-48.75, -2.5], [-48.65, -2.25], [-48.75, -2.0], [-48.53, -1.47]]]]}, "2015-01-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-48.0, -1.25], [-47.75, -1.35], [-47.5, -1.25], [-46.97, -1.47], [-46.75, -2.0], [-46.97, -2.53], [-47.32, -2.68], [-47.47, -3.03], [-48.0, -3.25], [-48.25, -3.15], [-48.5, -3.25], [-49.03, -3.03], [-49.25, -2.5], [-49.03, -1.97], [-48.68, -1.82], [-48.53, -1.47], [-48.0, -1.25]]]]}, "2015-01-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-48.75, -1.5], [-48.65, -1.25], [-48.75, -1.0], [-48.53, -0.47], [-48.0, -0.25], [-47.75, -0.35], [-47.5, -0.25], [-46.97, -0.47], [-46.75, -1.0], [-46.87, -1.3], [-46.75, -1.35], [-46.68, -1.32], [-46.53, -0.97], [-46.0, -0.75], [-45.75, -0.85], [-45.5, -0.75], [-44.97, -0.97], [-44.75, -1.5], [-44.85, -1.75], [-44.75, -2.0], [-44.85, -2.25], [-44.75, -2.5], [-44.85, -2.75], [-44.75, -3.0], [-44.97, -3.53], [-45.5, -3.75], [-45.75, -3.65], [-46.0, -3.75], [-46.53, -3.53], [-46.68, -3.18], [-47.03, -3.03], [-47.18, -2.68], [-47.25, -2.65], [-47.32, -2.68], [-47.47, -3.03], [-48.0, -3.25], [-48.25, -3.15], [-48.5, -3.25], [-49.03, -3.03], [-49.25, -2.5], [-49.03, -1.97], [-48.68, -1.82], [-48.65, -1.75], [-48.75, -1.5]]]]}, "2015-01-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-48.75, -1.5], [-48.65, -1.25], [-48.75, -1.0], [-48.53, -0.47], [-48.0, -0.25], [-47.75, -0.35], [-47.5, -0.25], [-46.97, -0.47], [-46.75, -1.0], [-46.87, -1.3], [-46.75, -1.35], [-46.68, -1.32], [-46.53, -0.97], [-46.0, -0.75], [-45.75, -0.85], [-45.5, -0.75], [-44.97, -0.97], [-44.75, -1.5], [-44.85, -1.75], [-44.75, -2.0], [-44.85, -2.25], [-44.75, -2.5], [-44.85, -2.75], [-44.75, -3.0], [-44.97, -3.53], [-45.5, -3.75], [-45.75, -3.65], [-46.0, -3.75], [-46.53, -3.53], [-46.68, -3.18], [-47.03, -3.03], [-47.18, -2.68], [-47.25, -2.65], [-47.32, -2.68], [-47.47, -3.03], [-48.0, -3.25], [-48.25, -3.15], [-48.5, -3.25], [-49.03, -3.03], [-49.25, -2.5], [-49.03, -1.97], [-48.68, -1.82], [-48.65, -1.75], [-48.75, -1.5]]]]}, "2015-01-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-48.53, -0.47], [-48.0, -0.25], [-47.75, -0.35], [-47.5, -0.25], [-46.97, -0.47], [-46.75, -1.0], [-46.87, -1.3], [-46.75, -1.35], [-46.68, -1.32], [-46.53, -0.97], [-46.0, -0.75], [-45.75, -0.85], [-45.5, -0.75], [-44.97, -0.97], [-44.75, -1.5], [-44.85, -1.75], [-44.75, -2.0], [-44.85, -2.25], [-44.75, -2.5], [-44.85, -2.75], [-44.75, -3.0], [-44.97, -3.53], [-45.5, -3.75], [-45.75, -3.65], [-46.0, -3.75], [-46.53, -3.53], [-46.68, -3.18], [-47.03, -3.03], [-47.18, -2.68], [-47.25, -2.65], [-47.5, -2.75], [-48.03, -2.53], [-48.18, -2.18], [-48.53, -2.03], [-48.75, -1.5], [-48.65, -1.25], [-48.75, -1.0], [-48.53, -0.47]]]]}, "2015-02-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-47.03, -3.03], [-47.25, 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1.9459411599067078, 1.9482636301076877, 1.484965946746515]}}