{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:46:00.221532", "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": "2010-Oct-23_to_2010-Oct-26_312.0_60.5"}, "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": 2010100002423}, "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 23 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 26 2010"}, "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": 82816.533849412}, "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": ["Greenland"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Greenland/Iceland"]}, "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": ["Davis Strait"]}, "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": 60.5}, "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": 312.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "312.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 306.75}, "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": 59.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 62.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-10-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-45.5, 60.75], [-44.97, 60.53], [-44.75, 60.0], [-44.97, 59.47], [-45.5, 59.25], [-46.03, 59.47], [-46.25, 60.0], [-46.03, 60.53], [-45.5, 60.75]]]]}, "2010-10-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-53.75, 61.0], [-53.53, 61.53], [-53.0, 61.75], [-52.75, 61.65], [-52.5, 61.75], [-52.25, 61.65], [-52.18, 61.68], [-52.15, 61.75], [-52.25, 62.0], [-52.15, 62.25], [-52.25, 62.5], [-52.03, 63.03], [-51.5, 63.25], [-51.25, 63.15], [-51.0, 63.25], [-50.75, 63.15], [-50.5, 63.25], [-49.97, 63.03], [-49.82, 62.68], [-49.47, 62.53], [-49.32, 62.18], [-49.25, 62.15], [-49.0, 62.25], [-48.75, 62.15], [-48.5, 62.25], [-47.97, 62.03], [-47.75, 61.5], [-47.85, 61.25], [-47.82, 61.18], [-47.75, 61.15], [-47.5, 61.25], [-47.25, 61.15], [-47.18, 61.18], [-47.03, 61.53], [-46.5, 61.75], [-46.25, 61.65], [-46.0, 61.75], [-45.75, 61.65], [-45.5, 61.75], [-44.97, 61.53], [-44.75, 61.0], [-44.85, 60.75], [-44.75, 60.5], [-44.85, 60.25], [-44.75, 60.0], [-44.97, 59.47], [-45.5, 59.25], [-46.0, 59.46], [-46.5, 59.25], [-46.75, 59.35], [-47.0, 59.25], [-47.25, 59.35], [-47.5, 59.25], [-47.75, 59.35], [-48.0, 59.25], [-48.25, 59.35], [-48.5, 59.25], [-48.75, 59.35], [-49.0, 59.25], [-49.25, 59.35], [-49.5, 59.25], [-49.75, 59.35], [-50.0, 59.25], [-50.25, 59.35], [-50.5, 59.25], [-50.75, 59.35], [-51.0, 59.25], [-51.25, 59.35], [-51.5, 59.25], [-51.75, 59.35], [-52.0, 59.25], [-52.53, 59.47], [-52.68, 59.82], [-53.03, 59.97], [-53.18, 60.32], [-53.53, 60.47], [-53.75, 61.0]]]]}, "2010-10-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-53.75, 61.0], [-53.53, 61.53], [-53.0, 61.75], [-52.75, 61.65], [-52.5, 61.75], [-52.25, 61.65], [-52.18, 61.68], [-52.15, 61.75], [-52.25, 62.0], [-52.15, 62.25], [-52.25, 62.5], [-52.03, 63.03], [-51.5, 63.25], [-51.25, 63.15], [-51.0, 63.25], [-50.75, 63.15], [-50.5, 63.25], [-49.97, 63.03], [-49.82, 62.68], [-49.47, 62.53], [-49.32, 62.18], [-49.25, 62.15], [-49.0, 62.25], [-48.75, 62.15], [-48.5, 62.25], [-47.97, 62.03], [-47.75, 61.5], [-47.85, 61.25], [-47.82, 61.18], [-47.75, 61.15], [-47.5, 61.25], [-47.25, 61.15], [-47.18, 61.18], [-47.03, 61.53], [-46.5, 61.75], [-46.25, 61.65], [-46.0, 61.75], [-45.75, 61.65], [-45.5, 61.75], [-44.97, 61.53], [-44.75, 61.0], [-44.85, 60.75], [-44.75, 60.5], [-44.85, 60.25], [-44.75, 60.0], [-44.97, 59.47], [-45.5, 59.25], [-46.0, 59.46], [-46.5, 59.25], [-46.75, 59.35], [-47.0, 59.25], [-47.25, 59.35], [-47.5, 59.25], [-47.75, 59.35], [-48.0, 59.25], [-48.25, 59.35], [-48.5, 59.25], [-48.75, 59.35], [-49.0, 59.25], [-49.25, 59.35], [-49.5, 59.25], [-49.75, 59.35], [-50.0, 59.25], [-50.25, 59.35], [-50.5, 59.25], [-50.75, 59.35], [-51.0, 59.25], [-51.25, 59.35], [-51.5, 59.25], [-51.75, 59.35], [-52.0, 59.25], [-52.53, 59.47], [-52.68, 59.82], [-53.03, 59.97], [-53.18, 60.32], [-53.53, 60.47], [-53.75, 61.0]]]]}, "2010-10-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-53.75, 61.0], [-53.53, 61.53], [-53.0, 61.75], [-52.75, 61.65], [-52.5, 61.75], [-52.25, 61.65], [-52.18, 61.68], 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[-51.25, 59.35], [-51.5, 59.25], [-51.75, 59.35], [-52.0, 59.25], [-52.53, 59.47], [-52.68, 59.82], [-53.03, 59.97], [-53.18, 60.32], [-53.53, 60.47], [-53.75, 61.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 10.629069702470815}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.124335181251448}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [4.068821756683349, 5.373884577560091, 6.286095437436529, 5.230529337291216]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [4.068821756683349, 6.402411377661963, 8.155356493110276, 6.663284847957016]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.578100619827694, 3.7050483128467104, 4.801987995796415, 3.8898186539127697]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.578100619827694, 8.815692695702978, 10.629069702470815, 7.457366431819025]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3480412713117806, 1.6774269274457996, 2.149600847895939, 1.8095086352090206]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3480412713117806, 2.1987416218713256, 2.633735458955008, 2.212500563159817]}}