{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:54:36.396832", "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": "2025-Feb-05_to_2025-Feb-10_297.5_6.5"}, "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": 2025020000944}, "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": "February 05 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 10 2025"}, "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": 52161.1092118038}, "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": ["Guyana", "Venezuela"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.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": 6.5}, "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": 297.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "297.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 296.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 300.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 5.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 8.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-02-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-62.5, 7.25], [-61.97, 7.03], [-61.75, 6.5], [-61.97, 5.97], [-62.5, 5.75], [-63.03, 5.97], [-63.25, 6.5], [-63.03, 7.03], [-62.5, 7.25]]]]}, "2025-02-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-63.75, 7.5], [-63.53, 8.03], [-63.0, 8.25], [-62.47, 8.03], [-62.32, 7.68], [-62.25, 7.65], [-62.0, 7.75], [-61.75, 7.65], [-61.68, 7.68], [-61.53, 8.03], [-61.0, 8.25], [-60.75, 8.15], [-60.5, 8.25], [-60.25, 8.15], [-60.18, 8.18], [-60.03, 8.53], [-59.5, 8.75], [-58.97, 8.53], [-58.75, 8.0], [-58.97, 7.47], [-59.32, 7.32], [-59.47, 6.97], [-59.82, 6.82], [-59.85, 6.75], [-59.75, 6.5], [-59.97, 5.97], [-60.5, 5.75], [-61.03, 5.97], [-61.18, 6.32], [-61.25, 6.35], [-61.32, 6.32], [-61.47, 5.97], [-62.0, 5.75], [-62.25, 5.85], [-62.5, 5.75], [-63.03, 5.97], [-63.25, 6.5], [-63.15, 6.75], [-63.18, 6.82], [-63.53, 6.97], [-63.75, 7.5]]]]}, "2025-02-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-63.75, 7.5], [-63.53, 8.03], [-63.0, 8.25], [-62.47, 8.03], [-62.32, 7.68], [-62.25, 7.65], [-62.0, 7.75], [-61.75, 7.65], [-61.68, 7.68], [-61.53, 8.03], [-61.0, 8.25], [-60.75, 8.15], [-60.5, 8.25], [-60.25, 8.15], [-60.18, 8.18], [-60.03, 8.53], [-59.5, 8.75], [-58.97, 8.53], [-58.75, 8.0], [-58.97, 7.47], [-59.32, 7.32], [-59.46, 7.0], [-59.25, 6.5], [-59.47, 5.97], [-60.0, 5.75], [-60.25, 5.85], [-60.5, 5.75], [-60.75, 5.85], [-61.0, 5.75], [-61.25, 5.85], [-61.32, 5.82], [-61.47, 5.47], [-62.0, 5.25], [-62.53, 5.47], [-62.68, 5.82], [-63.03, 5.97], [-63.25, 6.5], [-63.15, 6.75], [-63.18, 6.82], [-63.53, 6.97], [-63.75, 7.5]]]]}, "2025-02-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-63.75, 7.5], [-63.53, 8.03], [-63.0, 8.25], [-62.47, 8.03], [-62.32, 7.68], [-62.25, 7.65], [-62.0, 7.75], [-61.75, 7.65], [-61.68, 7.68], [-61.53, 8.03], [-61.0, 8.25], [-60.75, 8.15], [-60.5, 8.25], [-60.25, 8.15], [-60.18, 8.18], [-60.03, 8.53], [-59.5, 8.75], [-58.97, 8.53], [-58.75, 8.0], [-58.97, 7.47], [-59.32, 7.32], [-59.46, 7.0], [-59.25, 6.5], [-59.47, 5.97], [-60.0, 5.75], [-60.25, 5.85], [-60.5, 5.75], [-60.75, 5.85], [-61.0, 5.75], [-61.25, 5.85], [-61.32, 5.82], [-61.47, 5.47], [-62.0, 5.25], [-62.53, 5.47], [-62.68, 5.82], [-63.03, 5.97], [-63.25, 6.5], [-63.15, 6.75], [-63.18, 6.82], [-63.53, 6.97], [-63.75, 7.5]]]]}, "2025-02-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-63.75, 7.5], [-63.53, 8.03], [-63.0, 8.25], [-62.47, 8.03], [-62.32, 7.68], [-62.25, 7.65], [-62.0, 7.75], [-61.75, 7.65], [-61.5, 7.75], [-61.25, 7.65], [-61.18, 7.68], [-61.03, 8.03], [-60.5, 8.25], [-59.97, 8.03], [-59.75, 7.5], [-59.85, 7.25], [-59.82, 7.18], [-59.47, 7.03], [-59.25, 6.5], [-59.47, 5.97], [-60.0, 5.75], [-60.25, 5.85], [-60.5, 5.75], [-60.75, 5.85], [-61.0, 5.75], [-61.25, 5.85], [-61.32, 5.82], [-61.47, 5.47], [-62.0, 5.25], [-62.53, 5.47], [-62.68, 5.82], [-63.03, 5.97], [-63.25, 6.5], [-63.15, 6.75], [-63.18, 6.82], [-63.53, 6.97], [-63.75, 7.5]]]]}, "2025-02-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-63.0, 8.25], [-62.47, 8.03], [-62.25, 7.5], [-62.47, 6.97], [-63.0, 6.75], [-63.53, 6.97], [-63.75, 7.5], [-63.53, 8.03], [-63.0, 8.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.3128531536118544}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.553786285433036}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [24.954993184407556, 26.18489158826003, 26.13567684397981, 26.0493086571787, 25.905130004882835, 25.714095052083337]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [24.954993184407556, 27.79129308064779, 28.05945231119796, 27.839036560058616, 27.63104146321615, 25.714095052083337]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m 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