{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:19:58.234022", "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": "2019-Jun-14_to_2019-Jun-23_150.5_45.5"}, "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": 2019060002230}, "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": "June 14 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 23 2019"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 10}, "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": 93501.95716346726}, "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": ["E.Asia", "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": ["North Pacific Ocean", "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": 45.5}, "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": 150.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "150.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 145.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 151.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 41.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 46.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-06-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[146.0, 43.75], [146.25, 43.65], [146.32, 43.68], [146.35, 43.75], [146.25, 44.0], [146.35, 44.25], [146.25, 44.5], [146.47, 45.03], [147.0, 45.25], [147.5, 45.04], [148.0, 45.25], [148.25, 45.15], [148.5, 45.25], [148.75, 45.15], [148.82, 45.18], [148.97, 45.53], [149.5, 45.75], [149.75, 45.65], [149.82, 45.68], [149.97, 46.03], [150.5, 46.25], [151.03, 46.03], [151.25, 45.5], [151.15, 45.25], [151.25, 45.0], [151.03, 44.47], [150.68, 44.32], [150.53, 43.97], [150.0, 43.75], [149.75, 43.85], [149.68, 43.82], [149.54, 43.5], [149.75, 43.0], [149.53, 42.47], [149.18, 42.32], [149.03, 41.97], [148.5, 41.75], [148.25, 41.85], [148.0, 41.75], [147.75, 41.85], [147.68, 41.82], [147.53, 41.47], [147.0, 41.25], [146.47, 41.47], [146.32, 41.82], [146.25, 41.85], [146.0, 41.75], [145.75, 41.85], [145.5, 41.75], [144.97, 41.97], [144.75, 42.5], [144.97, 43.03], [145.32, 43.18], [145.47, 43.53], [146.0, 43.75]]]]}, "2019-06-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[146.0, 43.75], [146.25, 43.65], [146.32, 43.68], [146.35, 43.75], [146.25, 44.0], [146.35, 44.25], [146.25, 44.5], [146.47, 45.03], [147.0, 45.25], [147.5, 45.04], [148.0, 45.25], [148.25, 45.15], [148.5, 45.25], [148.75, 45.15], [148.82, 45.18], [148.97, 45.53], [149.5, 45.75], [149.75, 45.65], [149.82, 45.68], [149.97, 46.03], [150.32, 46.18], [150.47, 46.53], [151.0, 46.75], [151.53, 46.53], [151.75, 46.0], [151.65, 45.75], [151.75, 45.5], [151.53, 44.97], [151.18, 44.82], [151.03, 44.47], [150.68, 44.32], [150.53, 43.97], [150.0, 43.75], [149.75, 43.85], [149.68, 43.82], [149.54, 43.5], [149.75, 43.0], [149.53, 42.47], [149.18, 42.32], [149.03, 41.97], [148.5, 41.75], [148.25, 41.85], [148.0, 41.75], [147.75, 41.85], [147.68, 41.82], [147.53, 41.47], [147.0, 41.25], [146.47, 41.47], [146.32, 41.82], [146.25, 41.85], [146.0, 41.75], [145.75, 41.85], [145.5, 41.75], [144.97, 41.97], [144.75, 42.5], [144.97, 43.03], [145.32, 43.18], [145.47, 43.53], [146.0, 43.75]]]]}, "2019-06-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[146.0, 43.75], [146.25, 43.65], [146.32, 43.68], [146.35, 43.75], [146.25, 44.0], [146.35, 44.25], [146.25, 44.5], [146.47, 45.03], [147.0, 45.25], [147.5, 45.04], [148.0, 45.25], [148.25, 45.15], [148.5, 45.25], [148.75, 45.15], [148.82, 45.18], [148.97, 45.53], [149.5, 45.75], [149.75, 45.65], [149.82, 45.68], [149.97, 46.03], [150.32, 46.18], [150.47, 46.53], [151.0, 46.75], [151.53, 46.53], [151.75, 46.0], [151.65, 45.75], [151.75, 45.5], [151.53, 44.97], [151.18, 44.82], [151.03, 44.47], [150.68, 44.32], [150.53, 43.97], [150.0, 43.75], [149.75, 43.85], [149.68, 43.82], [149.54, 43.5], [149.75, 43.0], [149.53, 42.47], [149.18, 42.32], [149.03, 41.97], [148.5, 41.75], [148.25, 41.85], [148.0, 41.75], [147.75, 41.85], [147.68, 41.82], [147.53, 41.47], [147.0, 41.25], [146.47, 41.47], [146.32, 41.82], [146.25, 41.85], [146.0, 41.75], [145.75, 41.85], [145.5, 41.75], [144.97, 41.97], [144.75, 42.5], [144.97, 43.03], [145.32, 43.18], [145.47, 43.53], [146.0, 43.75]]]]}, "2019-06-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[151.0, 46.75], [151.53, 46.53], [151.75, 46.0], [151.65, 45.75], [151.75, 45.5], [151.53, 44.97], [151.0, 44.75], [150.75, 44.85], [150.5, 44.75], [149.97, 44.97], [149.75, 45.5], [149.97, 46.03], [150.32, 46.18], [150.47, 46.53], [151.0, 46.75]]]]}, "2019-06-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[148.75, 45.0], [148.97, 45.53], [149.32, 45.68], [149.47, 46.03], [149.82, 46.18], [149.97, 46.53], [150.5, 46.75], [150.75, 46.65], [151.0, 46.75], [151.25, 46.65], [151.5, 46.75], [152.03, 46.53], [152.25, 46.0], [152.03, 45.47], [151.68, 45.32], [151.65, 45.25], [151.75, 45.0], [151.53, 44.47], [151.18, 44.32], [151.03, 43.97], [150.68, 43.82], [150.53, 43.47], [150.0, 43.25], [149.47, 43.47], [149.25, 44.0], [149.35, 44.25], [149.32, 44.32], [148.97, 44.47], [148.75, 45.0]]]]}, "2019-06-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[148.75, 45.0], [148.97, 45.53], [149.32, 45.68], [149.47, 46.03], [149.82, 46.18], [149.97, 46.53], [150.5, 46.75], [150.75, 46.65], [151.0, 46.75], [151.25, 46.65], [151.5, 46.75], [152.03, 46.53], [152.25, 46.0], [152.03, 45.47], [151.68, 45.32], [151.65, 45.25], [151.75, 45.0], [151.53, 44.47], [151.18, 44.32], [151.03, 43.97], [150.68, 43.82], [150.53, 43.47], [150.0, 43.25], [149.47, 43.47], [149.25, 44.0], [149.35, 44.25], [149.32, 44.32], [148.97, 44.47], [148.75, 45.0]]]]}, "2019-06-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[148.75, 45.0], [148.97, 45.53], [149.32, 45.68], [149.47, 46.03], [149.82, 46.18], [149.97, 46.53], [150.5, 46.75], [150.75, 46.65], [151.0, 46.75], [151.25, 46.65], [151.5, 46.75], [152.03, 46.53], [152.25, 46.0], [152.03, 45.47], [151.68, 45.32], [151.65, 45.25], [151.75, 45.0], [151.53, 44.47], [151.18, 44.32], [151.03, 43.97], [150.68, 43.82], [150.53, 43.47], [150.0, 43.25], [149.47, 43.47], [149.25, 44.0], [149.35, 44.25], [149.32, 44.32], [148.97, 44.47], [148.75, 45.0]]]]}, "2019-06-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[149.47, 46.03], [149.82, 46.18], [149.97, 46.53], [150.5, 46.75], [150.75, 46.65], [151.0, 46.75], [151.53, 46.53], [151.75, 46.0], [151.65, 45.75], [151.75, 45.5], [151.65, 45.25], [151.75, 45.0], [151.53, 44.47], [151.0, 44.25], [150.75, 44.35], [150.63, 44.3], [150.75, 44.0], [150.53, 43.47], [150.0, 43.25], [149.47, 43.47], [149.25, 44.0], [149.46, 44.5], [149.25, 45.0], [149.35, 45.25], [149.25, 45.5], [149.47, 46.03]]]]}, "2019-06-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[149.47, 46.03], [149.82, 46.18], [149.97, 46.53], [150.5, 46.75], [150.75, 46.65], [151.0, 46.75], [151.53, 46.53], [151.75, 46.0], [151.54, 45.5], [151.75, 45.0], [151.53, 44.47], [151.0, 44.25], [150.75, 44.35], [150.5, 44.25], [150.25, 44.35], [150.0, 44.25], [149.47, 44.47], [149.25, 45.0], [149.35, 45.25], [149.25, 45.5], [149.47, 46.03]]]]}, "2019-06-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[150.5, 46.25], [151.03, 46.03], [151.25, 45.5], [151.03, 44.97], [150.68, 44.82], [150.53, 44.47], [150.0, 44.25], [149.47, 44.47], [149.25, 45.0], [149.47, 45.53], [149.82, 45.68], [149.97, 46.03], [150.5, 46.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.324373532841776}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.072629913313315}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [10.924561035638476, 11.721632582357984, 12.462670164100473, 7.921721872608316, 8.762112825329723, 9.9989711323326, 9.523303571586439, 8.728629205309403, 8.369259846456771, 8.34394340076227]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [13.73339235290274, 14.618803603118067, 15.43354471884328, 8.324926408049976, 10.26789836652739, 11.574257809140079, 10.977007976880884, 10.374609439171138, 9.273035603670621, 8.779092054966725]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.5913778802553473, 3.4362628564077116, 4.086379945045299, 2.0909014396653824, 2.236338484842992, 3.383004763883098, 2.8252709029732377, 2.0598193175208306, 1.8774914336668433, 1.7005373222886249]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.354428926671403, 4.362918268122996, 5.324373532841776, 2.18948340305667, 2.770133358478688, 3.78676805377404, 3.3324530626109095, 2.3979054441081757, 2.1480751342741655, 1.8112013119943526]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.556211914579378, 2.156269822425759, 2.651973825200896, 1.534808811371018, 1.7226242728882004, 2.7308615397633202, 2.330621665586523, 1.723256793396529, 1.6005172011724575, 1.390608291013836]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.860105788251346, 2.9451484478230805, 3.5274973612244303, 1.5994865156859441, 2.067407026032212, 3.1208321429308272, 2.823502426310462, 2.1012522764595913, 1.8936052047043195, 1.4182632559376283]}}