{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:52:09.564822", "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": "2012-Dec-18_to_2012-Dec-21_156.5_55.0"}, "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": 2012120002304}, "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": "December 18 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 21 2012"}, "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": 68355.12461175107}, "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": ["Russian Federation"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Russian-Far-East"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia"]}, "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": ["Sea of Okhotsk"]}, "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": 55.0}, "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": 156.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "156.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 154.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 159.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 52.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 57.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-12-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[154.25, 55.0], [154.47, 55.53], [155.0, 55.75], [155.53, 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57.0], [159.53, 56.47], [159.18, 56.32], [159.03, 55.97], [158.5, 55.75], [158.25, 55.85], [158.18, 55.82], [158.15, 55.75], [158.25, 55.5], [158.15, 55.25], [158.18, 55.18], [158.25, 55.15], [158.5, 55.25], [159.03, 55.03], [159.25, 54.5], [159.03, 53.97], [158.68, 53.82], [158.53, 53.47], [158.0, 53.25], [157.75, 53.35], [157.5, 53.25], [157.25, 53.35], [157.0, 53.25], [156.75, 53.35], [156.68, 53.32], [156.65, 53.25], [156.75, 53.0], [156.53, 52.47], [156.0, 52.25], [155.47, 52.47], [155.25, 53.0], [155.35, 53.25], [155.32, 53.32], [154.97, 53.47], [154.75, 54.0], [154.85, 54.25], [154.82, 54.32], [154.47, 54.47], [154.25, 55.0]]]]}, "2012-12-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[154.25, 55.0], [154.47, 55.53], [155.0, 55.75], [155.3, 55.63], [155.35, 55.75], [155.25, 56.0], [155.35, 56.25], [155.25, 56.5], [155.47, 57.03], [156.0, 57.25], [156.25, 57.15], [156.32, 57.18], [156.47, 57.53], [157.0, 57.75], [157.25, 57.65], [157.5, 57.75], [157.75, 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evolution of mean standardized t2m anomalies.", "value": [1.403514583839887, 2.1029923931980816, 1.5094074149504828, 1.4383536912649733]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.642934632926524, 2.341596781569135, 1.7761560824919844, 1.5798646111393337]}}