{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:55:58.318335", "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": "2014-Mar-13_to_2014-Mar-15_210.0_66.5"}, "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": 2014030001815}, "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": "March 13 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 15 2014"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 67995.52211791559}, "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": ["United States"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.W.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": []}, "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": 66.5}, "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": 210.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "210.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 203.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 212.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 66.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 68.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-03-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-156.53, 68.53], [-156.0, 68.75], [-155.75, 68.65], [-155.5, 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65.85], [-154.0, 65.75], [-154.53, 65.97], [-154.68, 66.32], [-154.75, 66.35], [-155.0, 66.25], [-155.25, 66.35], [-155.5, 66.25], [-155.75, 66.35], [-156.0, 66.25], [-156.25, 66.35], [-156.5, 66.25], [-157.03, 66.47], [-157.25, 67.0], [-157.03, 67.53], [-156.62, 67.7], [-156.75, 68.0], [-156.53, 68.53]]]]}, "2014-03-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-156.53, 68.53], [-156.0, 68.75], [-155.75, 68.65], [-155.5, 68.75], [-155.25, 68.65], [-155.0, 68.75], [-154.5, 68.54], [-154.0, 68.75], [-153.75, 68.65], [-153.5, 68.75], [-153.25, 68.65], [-153.0, 68.75], [-152.75, 68.65], [-152.5, 68.75], [-152.25, 68.65], [-152.0, 68.75], [-151.75, 68.65], [-151.5, 68.75], [-151.25, 68.65], [-151.0, 68.75], [-150.5, 68.54], [-150.0, 68.75], [-149.75, 68.65], [-149.5, 68.75], [-149.25, 68.65], [-149.0, 68.75], [-148.75, 68.65], [-148.5, 68.75], [-147.97, 68.53], [-147.82, 68.18], [-147.75, 68.15], [-147.5, 68.25], [-146.97, 68.03], [-146.75, 67.5], [-146.97, 66.97], 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11.673090008147785, 11.277626771728663]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [10.833592049693749, 14.765372540728833, 13.106030864022443]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3611709626146193, 1.6727977536614385, 1.6199904073455988]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4993227584501208, 1.9549808423423558, 1.7607786647175778]}}