{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:27:54.650064", "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-Oct-06_to_2021-Oct-09_282.0_25.0"}, "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": 2021100001458}, "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 06 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 09 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": "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": 117351.4296093949}, "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": ["Bahamas", "United States"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Caribbean", "E.North-America"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["North 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": ["Gulf of Mexico", "North 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": 25.0}, "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": 282.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "282.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 277.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 283.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 23.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 27.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-10-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-82.75, 25.5], [-82.53, 26.03], [-82.0, 26.25], [-81.47, 26.03], [-81.32, 25.68], [-81.25, 25.65], [-81.0, 25.75], [-80.75, 25.65], [-80.68, 25.68], [-80.65, 25.75], [-80.75, 26.0], [-80.65, 26.25], [-80.68, 26.32], [-80.75, 26.35], [-81.0, 26.25], [-81.53, 26.47], [-81.75, 27.0], [-81.53, 27.53], [-81.0, 27.75], [-80.75, 27.65], [-80.5, 27.75], [-80.25, 27.65], [-80.0, 27.75], [-79.47, 27.53], [-79.25, 27.0], [-79.35, 26.75], [-79.32, 26.68], [-79.0, 26.54], [-78.5, 26.75], [-78.25, 26.65], [-78.18, 26.68], [-78.03, 27.03], [-77.5, 27.25], [-77.25, 27.15], [-77.0, 27.25], [-76.47, 27.03], [-76.32, 26.68], [-75.97, 26.53], [-75.75, 26.0], [-75.96, 25.5], [-75.75, 25.0], [-75.97, 24.47], [-76.32, 24.32], [-76.47, 23.97], [-76.82, 23.82], [-76.97, 23.47], [-77.5, 23.25], [-78.03, 23.47], [-78.18, 23.82], [-78.25, 23.85], [-78.5, 23.75], [-78.75, 23.85], [-79.0, 23.75], [-79.25, 23.85], [-79.5, 23.75], [-79.75, 23.85], [-80.0, 23.75], [-80.25, 23.85], [-80.5, 23.75], [-80.75, 23.85], [-81.0, 23.75], [-81.53, 23.97], [-81.68, 24.32], [-82.03, 24.47], [-82.18, 24.82], [-82.53, 24.97], [-82.75, 25.5]]]]}, "2021-10-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-82.75, 25.5], [-82.53, 26.03], [-82.0, 26.25], [-81.47, 26.03], [-81.32, 25.68], [-81.25, 25.65], [-81.0, 25.75], [-80.75, 25.65], [-80.68, 25.68], [-80.65, 25.75], [-80.75, 26.0], [-80.65, 26.25], [-80.68, 26.32], [-80.75, 26.35], [-81.0, 26.25], [-81.53, 26.47], [-81.75, 27.0], [-81.53, 27.53], [-81.0, 27.75], [-80.75, 27.65], [-80.5, 27.75], [-80.25, 27.65], [-80.0, 27.75], [-79.47, 27.53], [-79.25, 27.0], [-79.35, 26.75], [-79.32, 26.68], [-79.0, 26.54], [-78.5, 26.75], [-78.25, 26.65], [-78.18, 26.68], [-78.03, 27.03], [-77.5, 27.25], [-77.25, 27.15], [-77.0, 27.25], [-76.47, 27.03], [-76.32, 26.68], [-75.97, 26.53], [-75.75, 26.0], [-75.96, 25.5], [-75.75, 25.0], [-75.97, 24.47], [-76.32, 24.32], [-76.47, 23.97], [-76.82, 23.82], [-76.97, 23.47], [-77.5, 23.25], [-78.03, 23.47], [-78.18, 23.82], [-78.25, 23.85], [-78.5, 23.75], [-78.75, 23.85], [-78.82, 23.82], [-78.97, 23.47], [-79.5, 23.25], [-79.75, 23.35], [-80.0, 23.25], [-80.53, 23.47], [-80.68, 23.82], [-80.75, 23.85], [-81.0, 23.75], [-81.53, 23.97], [-81.68, 24.32], [-82.03, 24.47], [-82.18, 24.82], [-82.53, 24.97], [-82.75, 25.5]]]]}, "2021-10-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-82.75, 25.5], [-82.53, 26.03], [-82.0, 26.25], [-81.47, 26.03], [-81.32, 25.68], [-81.25, 25.65], [-81.0, 25.75], [-80.75, 25.65], [-80.68, 25.68], [-80.65, 25.75], [-80.75, 26.0], [-80.65, 26.25], [-80.68, 26.32], [-80.75, 26.35], [-81.0, 26.25], [-81.53, 26.47], [-81.75, 27.0], [-81.53, 27.53], [-81.0, 27.75], [-80.75, 27.65], [-80.5, 27.75], [-80.25, 27.65], [-80.0, 27.75], [-79.47, 27.53], [-79.25, 27.0], [-79.35, 26.75], [-79.32, 26.68], [-79.0, 26.54], [-78.5, 26.75], [-78.25, 26.65], [-78.18, 26.68], [-78.03, 27.03], [-77.5, 27.25], [-77.25, 27.15], [-77.0, 27.25], [-76.47, 27.03], [-76.32, 26.68], [-75.97, 26.53], [-75.75, 26.0], [-75.96, 25.5], [-75.75, 25.0], [-75.97, 24.47], [-76.32, 24.32], [-76.47, 23.97], [-76.82, 23.82], [-76.97, 23.47], [-77.5, 23.25], [-78.03, 23.47], [-78.18, 23.82], [-78.25, 23.85], [-78.5, 23.75], [-78.75, 23.85], [-78.82, 23.82], [-78.97, 23.47], [-79.5, 23.25], [-79.75, 23.35], [-80.0, 23.25], [-80.53, 23.47], [-80.68, 23.82], [-80.75, 23.85], [-81.0, 23.75], [-81.53, 23.97], [-81.68, 24.32], [-82.03, 24.47], [-82.18, 24.82], [-82.53, 24.97], [-82.75, 25.5]]]]}, "2021-10-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-81.25, 24.5], [-81.03, 25.03], [-80.5, 25.25], [-79.97, 25.03], [-79.82, 24.68], [-79.75, 24.65], [-79.68, 24.68], [-79.53, 25.03], [-79.0, 25.25], [-78.47, 25.03], [-78.25, 24.5], [-78.47, 23.97], [-78.82, 23.82], [-78.97, 23.47], [-79.5, 23.25], [-79.75, 23.35], [-80.0, 23.25], [-80.53, 23.47], [-80.68, 23.82], [-81.03, 23.97], [-81.25, 24.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.216547351208817}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.2072863121393778}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.007241351994992, 28.225205759778248, 28.070049277299972, 28.066289430057054]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.52164711274571, 29.03614704905948, 28.598419031782726, 28.19888862289821]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.1001498162676526, 1.3323933939249863, 1.2086203748883406, 0.9510192532436292]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.7679222482980208, 2.216547351208817, 1.7939416123861065, 1.0082589152837045]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4244997374457888, 1.7081032490864383, 1.543639077074749, 1.3463446066183749]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.795186561207336, 2.515980760599603, 1.8544442934713408, 1.4621201713426248]}}