{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:55:48.531911", "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-Feb-20_to_2014-Feb-27_137.5_54.5"}, "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": 2014020002099}, "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 20 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 27 2014"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 8}, "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": 126984.8591885906}, "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": 54.5}, "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": 137.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "137.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 130.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 138.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 50.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 56.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-02-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[136.75, 54.5], [136.97, 55.03], [137.5, 55.25], [138.03, 55.03], [138.18, 54.68], [138.53, 54.53], [138.75, 54.0], [138.53, 53.47], [138.0, 53.25], [137.47, 53.47], [137.32, 53.82], [136.97, 53.97], [136.75, 54.5]]]]}, "2014-02-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[136.75, 54.5], [136.97, 55.03], [137.5, 55.25], [138.03, 55.03], [138.18, 54.68], [138.53, 54.53], [138.75, 54.0], [138.53, 53.47], [138.0, 53.25], [137.47, 53.47], [137.32, 53.82], [136.97, 53.97], [136.75, 54.5]]]]}, "2014-02-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[135.5, 56.25], [135.75, 56.15], [136.0, 56.25], [136.53, 56.03], [136.75, 55.5], [136.63, 55.2], [136.75, 55.15], [137.0, 55.25], [137.25, 55.15], [137.5, 55.25], [137.75, 55.15], [138.0, 55.25], [138.53, 55.03], [138.75, 54.5], [138.65, 54.25], [138.75, 54.0], [138.53, 53.47], [138.0, 53.25], [137.47, 53.47], [137.32, 53.82], [137.25, 53.85], [137.0, 53.75], [136.75, 53.85], [136.5, 53.75], [136.25, 53.85], [136.0, 53.75], [135.75, 53.85], [135.5, 53.75], [134.97, 53.97], [134.75, 54.5], [134.96, 55.0], [134.75, 55.5], [134.97, 56.03], [135.5, 56.25]]], [[[130.47, 54.97], [130.25, 55.5], [130.47, 56.03], [131.0, 56.25], [131.53, 56.03], [131.75, 55.5], [131.53, 54.97], [131.0, 54.75], [130.47, 54.97]]]]}, "2014-02-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[130.25, 54.0], [130.47, 54.53], [130.82, 54.68], [130.88, 54.8], [130.47, 54.97], [130.25, 55.5], [130.47, 56.03], [130.82, 56.18], [130.97, 56.53], [131.32, 56.68], [131.47, 57.03], [132.0, 57.25], [132.25, 57.15], [132.5, 57.25], [132.75, 57.15], [133.0, 57.25], [133.53, 57.03], [133.68, 56.68], [133.75, 56.65], [134.0, 56.75], [134.53, 56.53], [134.68, 56.18], [134.75, 56.15], [135.0, 56.25], [135.25, 56.15], [135.5, 56.25], [135.75, 56.15], [136.0, 56.25], [136.53, 56.03], [136.75, 55.5], [136.63, 55.2], [136.75, 55.15], [137.0, 55.25], [137.25, 55.15], [137.5, 55.25], [137.75, 55.15], [138.0, 55.25], [138.53, 55.03], [138.75, 54.5], [138.65, 54.25], [138.75, 54.0], [138.53, 53.47], [138.0, 53.25], [137.47, 53.47], [137.32, 53.82], [137.25, 53.85], [137.0, 53.75], [136.75, 53.85], [136.5, 53.75], [136.25, 53.85], [136.18, 53.82], [136.15, 53.75], [136.25, 53.5], [136.15, 53.25], [136.25, 53.0], [136.15, 52.75], [136.25, 52.5], [136.15, 52.25], [136.18, 52.18], [136.53, 52.03], [136.75, 51.5], [136.65, 51.25], [136.75, 51.0], [136.53, 50.47], [136.0, 50.25], [135.75, 50.35], [135.5, 50.25], [134.97, 50.47], [134.75, 51.0], [134.85, 51.25], [134.82, 51.32], [134.47, 51.47], [134.25, 52.0], [134.35, 52.25], [134.25, 52.5], [134.35, 52.75], [134.25, 53.0], [134.46, 53.5], [134.32, 53.82], [134.07, 53.93], [134.25, 53.5], [134.03, 52.97], [133.5, 52.75], [133.25, 52.85], [133.0, 52.75], [132.75, 52.85], [132.5, 52.75], [132.25, 52.85], [132.0, 52.75], [131.75, 52.85], [131.5, 52.75], [130.97, 52.97], [130.82, 53.32], [130.47, 53.47], [130.25, 54.0]], [[133.93, 54.07], [133.8, 54.38], [133.5, 54.25], [133.93, 54.07]], [[133.25, 54.35], [133.0, 54.25], [133.25, 54.15], [133.5, 54.25], [133.25, 54.35]], [[132.75, 54.35], [132.68, 54.32], [132.63, 54.2], [132.75, 54.15], [133.0, 54.25], [132.75, 54.35]]]]}, "2014-02-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[130.47, 56.03], [130.82, 56.18], [130.97, 56.53], [131.32, 56.68], [131.47, 57.03], [132.0, 57.25], [132.25, 57.15], [132.5, 57.25], [132.75, 57.15], [133.0, 57.25], [133.53, 57.03], [133.68, 56.68], [133.75, 56.65], [134.0, 56.75], [134.53, 56.53], [134.68, 56.18], [134.75, 56.15], [135.0, 56.25], [135.25, 56.15], [135.5, 56.25], [135.75, 56.15], [136.0, 56.25], [136.53, 56.03], [136.75, 55.5], [136.63, 55.2], [136.75, 55.15], [137.0, 55.25], [137.25, 55.15], [137.5, 55.25], [137.75, 55.15], [138.0, 55.25], [138.53, 55.03], [138.75, 54.5], [138.65, 54.25], [138.75, 54.0], [138.53, 53.47], [138.0, 53.25], [137.75, 53.35], [137.68, 53.32], [137.53, 52.97], [137.0, 52.75], [136.75, 52.85], [136.5, 52.75], [136.25, 52.85], [136.18, 52.82], [136.15, 52.75], [136.25, 52.5], [136.15, 52.25], [136.18, 52.18], [136.53, 52.03], [136.75, 51.5], [136.65, 51.25], [136.68, 51.18], [137.03, 51.03], [137.25, 50.5], [137.03, 49.97], [136.5, 49.75], [136.25, 49.85], [136.0, 49.75], [135.47, 49.97], [135.32, 50.32], [134.97, 50.47], [134.75, 51.0], [134.85, 51.25], [134.82, 51.32], [134.47, 51.47], [134.25, 52.0], [134.35, 52.25], [134.25, 52.5], [134.35, 52.75], [134.25, 53.0], [134.46, 53.5], [134.32, 53.82], [134.25, 53.85], [134.13, 53.8], [134.25, 53.5], [134.03, 52.97], [133.5, 52.75], [133.25, 52.85], [133.0, 52.75], [132.75, 52.85], [132.5, 52.75], [132.25, 52.85], [132.0, 52.75], [131.75, 52.85], [131.5, 52.75], [130.97, 52.97], [130.82, 53.32], [130.47, 53.47], [130.25, 54.0], [130.46, 54.5], [130.25, 55.0], [130.35, 55.25], [130.25, 55.5], [130.47, 56.03]]]]}, "2014-02-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[130.47, 56.03], [130.82, 56.18], [130.97, 56.53], [131.32, 56.68], [131.47, 57.03], [132.0, 57.25], [132.25, 57.15], [132.5, 57.25], [132.75, 57.15], [133.0, 57.25], [133.53, 57.03], [133.68, 56.68], [133.75, 56.65], [134.0, 56.75], [134.53, 56.53], [134.68, 56.18], [134.75, 56.15], [135.0, 56.25], [135.25, 56.15], [135.5, 56.25], [136.03, 56.03], [136.25, 55.5], [136.13, 55.2], [136.25, 55.15], [136.5, 55.25], [136.75, 55.15], [137.0, 55.25], [137.25, 55.15], [137.5, 55.25], [138.03, 55.03], [138.25, 54.5], [138.15, 54.25], [138.25, 54.0], [138.03, 53.47], [137.68, 53.32], [137.53, 52.97], [137.0, 52.75], [136.75, 52.85], [136.63, 52.8], [136.75, 52.5], [136.54, 52.0], [136.75, 51.5], [136.65, 51.25], [136.68, 51.18], [136.75, 51.15], [136.82, 51.18], [136.97, 51.53], [137.5, 51.75], [138.03, 51.53], [138.25, 51.0], [138.03, 50.47], [137.68, 50.32], [137.53, 49.97], [137.0, 49.75], [136.75, 49.85], [136.5, 49.75], [136.25, 49.85], [136.0, 49.75], [135.47, 49.97], [135.32, 50.32], [134.97, 50.47], [134.75, 51.0], [134.85, 51.25], [134.82, 51.32], [134.47, 51.47], [134.25, 52.0], [134.35, 52.25], [134.25, 52.5], [134.35, 52.75], [134.25, 53.0], [134.46, 53.5], [134.32, 53.82], [134.25, 53.85], [134.13, 53.8], [134.25, 53.5], [134.03, 52.97], [133.5, 52.75], [133.25, 52.85], [133.0, 52.75], [132.75, 52.85], [132.5, 52.75], [132.25, 52.85], [132.0, 52.75], [131.75, 52.85], [131.5, 52.75], [130.97, 52.97], [130.82, 53.32], [130.47, 53.47], [130.25, 54.0], [130.46, 54.5], [130.25, 55.0], [130.35, 55.25], [130.25, 55.5], [130.47, 56.03]]]]}, "2014-02-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[130.47, 56.03], [130.82, 56.18], [130.97, 56.53], [131.32, 56.68], [131.47, 57.03], [132.0, 57.25], [132.25, 57.15], [132.5, 57.25], [132.75, 57.15], [133.0, 57.25], [133.53, 57.03], [133.68, 56.68], [133.75, 56.65], [134.0, 56.75], [134.53, 56.53], [134.68, 56.18], [134.75, 56.15], [135.0, 56.25], [135.25, 56.15], [135.5, 56.25], [136.03, 56.03], [136.25, 55.5], [136.04, 55.0], [136.18, 54.68], [136.25, 54.65], [136.5, 54.75], [136.75, 54.65], [137.0, 54.75], [137.25, 54.65], [137.5, 54.75], [138.03, 54.53], [138.25, 54.0], [138.03, 53.47], [137.68, 53.32], [137.53, 52.97], [137.0, 52.75], [136.75, 52.85], [136.63, 52.8], [136.75, 52.5], [136.54, 52.0], [136.75, 51.5], [136.65, 51.25], [136.68, 51.18], [136.75, 51.15], [136.82, 51.18], [136.97, 51.53], [137.5, 51.75], [138.03, 51.53], [138.25, 51.0], [138.03, 50.47], [137.68, 50.32], [137.53, 49.97], [137.0, 49.75], [136.75, 49.85], [136.5, 49.75], [136.25, 49.85], [136.0, 49.75], [135.47, 49.97], [135.32, 50.32], [134.97, 50.47], [134.75, 51.0], [134.85, 51.25], [134.82, 51.32], [134.47, 51.47], [134.25, 52.0], [134.35, 52.25], [134.25, 52.5], [134.35, 52.75], [134.25, 53.0], [134.46, 53.5], [134.32, 53.82], [134.25, 53.85], [134.13, 53.8], [134.25, 53.5], [134.03, 52.97], [133.5, 52.75], [133.25, 52.85], [133.0, 52.75], [132.75, 52.85], [132.5, 52.75], [132.25, 52.85], [132.0, 52.75], [131.75, 52.85], [131.5, 52.75], [130.97, 52.97], [130.82, 53.32], [130.47, 53.47], [130.25, 54.0], [130.46, 54.5], [130.25, 55.0], [130.35, 55.25], [130.25, 55.5], [130.47, 56.03]]]]}, "2014-02-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[135.75, 50.5], [135.97, 51.03], [136.5, 51.25], [136.75, 51.15], [136.82, 51.18], [136.97, 51.53], [137.5, 51.75], [138.03, 51.53], [138.25, 51.0], [138.03, 50.47], [137.68, 50.32], [137.53, 49.97], [137.0, 49.75], [136.75, 49.85], [136.5, 49.75], [135.97, 49.97], [135.75, 50.5]]], [[[135.47, 51.97], [135.25, 52.5], [135.47, 53.03], [136.0, 53.25], [136.53, 53.03], [136.75, 52.5], [136.53, 51.97], [136.0, 51.75], [135.47, 51.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 10.906763834199978}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 7.632924720663861}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [-10.692505066202216, -12.721627121876281, -12.232841121411695, -12.64063918807608, -12.716585818534327, -12.528707626690903, -10.106868429257474, -8.550340188643986]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [-10.563128543383641, -12.571220959104494, -10.082441336299041, -7.221253332187189, -8.10640380866198, -7.68519849581395, -3.9555340015978118, -6.654610023934936]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [7.284663042112399, 4.92696970220527, 6.308704819001281, 7.8570820468751705, 7.058551993576304, 6.882893501743659, 9.230237932633015, 6.694699252800007]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [7.883176584927696, 5.257324289504027, 7.742920782059969, 10.383097454623936, 8.232116724271918, 8.45725230927988, 10.906763834199978, 7.244921408947107]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [2.0904588020495347, 1.4060677257104166, 1.5551523025663958, 1.6905398260580866, 1.5598745711380293, 1.5116537582431815, 1.9955349357780443, 1.5479328169789583]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.2677975822215286, 1.500817419197757, 1.7626170890106454, 2.0405958558521604, 1.8366546408673166, 1.8324365146772084, 2.407627519843928, 1.6882384646754538]}}