{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:54:30.435406", "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": "2023-Jul-03_to_2023-Jul-12_167.0_56.0"}, "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": 2023070001346}, "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": "July 03 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 12 2023"}, "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": 97613.90670272768}, "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"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Europe"]}, "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": ["Bering Sea", "Komandorskaya Basin", "Pacific Ocean"]}, "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": 56.0}, "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": 167.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "167.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 162.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 170.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 54.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 57.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[165.0, 54.25], [164.47, 54.47], [164.32, 54.82], [164.25, 54.85], [164.0, 54.75], [163.5, 54.96], [163.0, 54.75], [162.75, 54.85], [162.5, 54.75], [161.97, 54.97], [161.75, 55.5], [161.97, 56.03], [162.32, 56.18], [162.47, 56.53], [163.0, 56.75], [163.25, 56.65], [163.32, 56.68], [163.47, 57.03], [164.0, 57.25], [164.53, 57.03], [164.68, 56.68], [164.75, 56.65], [165.0, 56.75], [165.25, 56.65], [165.5, 56.75], [165.75, 56.65], [165.82, 56.68], [165.85, 56.75], [165.75, 57.0], [165.97, 57.53], [166.5, 57.75], [166.75, 57.65], [167.0, 57.75], [167.25, 57.65], [167.5, 57.75], [167.75, 57.65], [168.0, 57.75], [168.25, 57.65], [168.5, 57.75], [169.03, 57.53], [169.18, 57.18], [169.53, 57.03], [169.68, 56.68], [170.03, 56.53], [170.18, 56.18], [170.53, 56.03], [170.75, 55.5], [170.53, 54.97], [170.0, 54.75], [169.75, 54.85], [169.68, 54.82], [169.53, 54.47], [169.0, 54.25], [168.75, 54.35], [168.68, 54.32], [168.53, 53.97], [168.0, 53.75], [167.75, 53.85], [167.68, 53.82], [167.53, 53.47], [167.0, 53.25], [166.75, 53.35], [166.5, 53.25], [165.97, 53.47], [165.82, 53.82], [165.47, 53.97], [165.32, 54.32], [165.25, 54.35], [165.0, 54.25]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Russian-Far-East", "N.Pacific-Ocean"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-07-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[166.0, 53.75], [165.47, 53.97], [165.25, 54.5], [165.47, 55.03], [166.0, 55.25], [166.25, 55.15], [166.5, 55.25], [167.03, 55.03], [167.25, 54.5], [167.03, 53.97], [166.5, 53.75], [166.25, 53.85], [166.0, 53.75]]]]}, "2023-07-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[163.75, 56.0], [163.97, 56.53], [164.5, 56.75], [164.75, 56.65], [165.0, 56.75], [165.25, 56.65], [165.5, 56.75], [165.8, 56.63], [165.85, 56.75], [165.75, 57.0], [165.97, 57.53], [166.5, 57.75], [166.75, 57.65], [167.0, 57.75], [167.25, 57.65], [167.5, 57.75], [167.75, 57.65], [168.0, 57.75], [168.25, 57.65], [168.5, 57.75], [169.03, 57.53], [169.18, 57.18], [169.53, 57.03], [169.75, 56.5], [169.53, 55.97], [169.18, 55.82], [169.03, 55.47], [168.68, 55.32], [168.65, 55.25], [168.75, 55.0], [168.65, 54.75], [168.75, 54.5], [168.53, 53.97], [168.0, 53.75], [167.75, 53.85], [167.68, 53.82], [167.53, 53.47], [167.0, 53.25], [166.75, 53.35], [166.5, 53.25], [165.97, 53.47], [165.82, 53.82], [165.47, 53.97], [165.25, 54.5], [165.43, 54.93], [165.0, 54.75], [164.75, 54.85], [164.5, 54.75], [163.97, 54.97], [163.75, 55.5], [163.85, 55.75], [163.75, 56.0]], [[165.8, 55.38], [165.68, 55.32], [165.57, 55.07], [165.88, 55.2], [165.8, 55.38]]]]}, "2023-07-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[162.47, 56.53], [163.0, 56.75], [163.25, 56.65], [163.32, 56.68], [163.47, 57.03], [164.0, 57.25], [164.53, 57.03], [164.68, 56.68], [164.75, 56.65], [165.0, 56.75], [165.25, 56.65], [165.5, 56.75], [165.75, 56.65], [165.82, 56.68], [165.85, 56.75], [165.75, 57.0], [165.97, 57.53], [166.5, 57.75], [166.75, 57.65], [167.0, 57.75], [167.25, 57.65], [167.5, 57.75], [167.75, 57.65], [168.0, 57.75], [168.25, 57.65], [168.5, 57.75], [169.03, 57.53], [169.18, 57.18], [169.53, 57.03], [169.68, 56.68], [170.03, 56.53], [170.18, 56.18], [170.53, 56.03], [170.75, 55.5], [170.53, 54.97], [170.0, 54.75], [169.75, 54.85], [169.68, 54.82], [169.53, 54.47], [169.0, 54.25], [168.75, 54.35], [168.68, 54.32], [168.53, 53.97], [168.0, 53.75], [167.75, 53.85], [167.68, 53.82], [167.53, 53.47], [167.0, 53.25], [166.75, 53.35], [166.5, 53.25], [165.97, 53.47], [165.82, 53.82], [165.47, 53.97], [165.25, 54.5], [165.38, 54.8], [165.25, 54.85], [165.0, 54.75], [164.75, 54.85], [164.5, 54.75], [164.25, 54.85], [164.0, 54.75], [163.5, 54.96], [163.0, 54.75], [162.75, 54.85], [162.5, 54.75], [161.97, 54.97], [161.75, 55.5], [161.97, 56.03], [162.32, 56.18], [162.47, 56.53]]]]}, "2023-07-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[162.47, 56.53], [163.0, 56.75], [163.25, 56.65], [163.32, 56.68], [163.47, 57.03], [164.0, 57.25], [164.53, 57.03], [164.68, 56.68], [164.75, 56.65], [165.0, 56.75], [165.25, 56.65], [165.5, 56.75], [165.75, 56.65], [165.82, 56.68], [165.85, 56.75], [165.75, 57.0], [165.97, 57.53], [166.5, 57.75], [166.75, 57.65], [167.0, 57.75], [167.25, 57.65], [167.5, 57.75], [167.75, 57.65], [168.0, 57.75], [168.25, 57.65], [168.5, 57.75], [169.03, 57.53], [169.18, 57.18], [169.53, 57.03], [169.68, 56.68], [170.03, 56.53], [170.18, 56.18], [170.53, 56.03], [170.75, 55.5], [170.53, 54.97], [170.0, 54.75], [169.75, 54.85], [169.68, 54.82], [169.53, 54.47], [169.0, 54.25], [168.75, 54.35], [168.68, 54.32], [168.53, 53.97], [168.0, 53.75], [167.75, 53.85], [167.68, 53.82], [167.53, 53.47], [167.0, 53.25], [166.75, 53.35], [166.5, 53.25], [165.97, 53.47], [165.82, 53.82], [165.47, 53.97], [165.32, 54.32], [165.25, 54.35], [165.0, 54.25], [164.47, 54.47], [164.32, 54.82], [164.25, 54.85], [164.0, 54.75], [163.5, 54.96], [163.0, 54.75], [162.75, 54.85], [162.5, 54.75], [161.97, 54.97], [161.75, 55.5], [161.97, 56.03], [162.32, 56.18], [162.47, 56.53]]]]}, "2023-07-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[162.47, 56.53], [163.0, 56.75], [163.25, 56.65], [163.32, 56.68], [163.47, 57.03], [164.0, 57.25], [164.53, 57.03], [164.68, 56.68], [164.75, 56.65], [165.0, 56.75], [165.25, 56.65], [165.5, 56.75], [165.75, 56.65], [166.0, 56.75], [166.25, 56.65], [166.5, 56.75], [166.75, 56.65], [167.0, 56.75], [167.25, 56.65], [167.5, 56.75], [167.75, 56.65], [168.0, 56.75], [168.25, 56.65], [168.5, 56.75], [168.75, 56.65], [169.0, 56.75], [169.25, 56.65], [169.5, 56.75], [170.03, 56.53], [170.18, 56.18], [170.53, 56.03], [170.75, 55.5], [170.53, 54.97], [170.0, 54.75], [169.75, 54.85], [169.68, 54.82], [169.53, 54.47], [169.0, 54.25], [168.75, 54.35], [168.68, 54.32], [168.53, 53.97], [168.0, 53.75], [167.75, 53.85], [167.68, 53.82], [167.53, 53.47], [167.0, 53.25], [166.75, 53.35], [166.5, 53.25], [165.97, 53.47], [165.82, 53.82], [165.47, 53.97], [165.32, 54.32], [165.25, 54.35], [165.0, 54.25], [164.47, 54.47], [164.32, 54.82], [164.25, 54.85], [164.0, 54.75], [163.5, 54.96], [163.0, 54.75], [162.75, 54.85], [162.5, 54.75], [161.97, 54.97], [161.75, 55.5], [161.97, 56.03], [162.32, 56.18], [162.47, 56.53]]]]}, "2023-07-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[163.47, 55.47], [163.25, 56.0], [163.47, 56.53], [164.0, 56.75], [164.25, 56.65], [164.5, 56.75], [164.75, 56.65], [165.0, 56.75], [165.5, 56.54], [166.0, 56.75], [166.25, 56.65], [166.5, 56.75], [166.75, 56.65], [167.0, 56.75], [167.53, 56.53], [167.68, 56.18], [167.75, 56.15], [168.0, 56.25], [168.25, 56.15], [168.5, 56.25], [168.75, 56.15], [169.0, 56.25], [169.25, 56.15], [169.5, 56.25], [170.03, 56.03], [170.25, 55.5], [170.03, 54.97], [169.68, 54.82], [169.53, 54.47], [169.0, 54.25], [168.75, 54.35], [168.5, 54.25], [168.25, 54.35], [168.0, 54.25], [167.75, 54.35], [167.68, 54.32], [167.53, 53.97], [167.0, 53.75], [166.75, 53.85], [166.5, 53.75], [166.25, 53.85], [166.0, 53.75], [165.47, 53.97], [165.32, 54.32], [165.25, 54.35], [165.0, 54.25], [164.47, 54.47], [164.32, 54.82], [163.97, 54.97], [163.82, 55.32], [163.47, 55.47]]]]}, "2023-07-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[164.5, 54.75], [163.97, 54.97], [163.75, 55.5], [163.97, 56.03], [164.5, 56.25], [164.75, 56.15], [165.0, 56.25], [165.25, 56.15], [165.32, 56.18], [165.47, 56.53], [166.0, 56.75], [166.25, 56.65], [166.5, 56.75], [166.75, 56.65], [167.0, 56.75], [167.25, 56.65], [167.5, 56.75], [168.03, 56.53], [168.25, 56.0], [168.03, 55.47], [167.5, 55.25], [167.25, 55.35], [167.18, 55.32], [167.13, 55.2], [167.53, 55.03], [167.75, 54.5], [167.53, 53.97], [167.0, 53.75], [166.75, 53.85], [166.5, 53.75], [166.25, 53.85], [166.0, 53.75], [165.47, 53.97], [165.32, 54.32], [164.97, 54.47], [164.82, 54.82], [164.75, 54.85], [164.5, 54.75]]]]}, "2023-07-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[165.25, 55.0], [165.35, 55.25], [165.25, 55.5], [165.35, 55.75], [165.25, 56.0], [165.47, 56.53], [166.0, 56.75], [166.25, 56.65], [166.5, 56.75], [166.75, 56.65], [167.0, 56.75], [167.25, 56.65], [167.5, 56.75], [168.03, 56.53], [168.25, 56.0], [168.03, 55.47], [167.5, 55.25], [167.25, 55.35], [167.18, 55.32], [167.04, 55.0], [167.25, 54.5], [167.03, 53.97], [166.5, 53.75], [166.25, 53.85], [166.0, 53.75], [165.47, 53.97], [165.25, 54.5], [165.35, 54.75], [165.25, 55.0]]]]}, "2023-07-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[165.75, 56.0], [165.97, 56.53], [166.5, 56.75], [166.75, 56.65], [167.0, 56.75], [167.25, 56.65], [167.5, 56.75], [168.03, 56.53], [168.25, 56.0], [168.03, 55.47], [167.5, 55.25], [167.25, 55.35], [167.18, 55.32], [167.03, 54.97], [166.5, 54.75], [165.97, 54.97], [165.75, 55.5], [165.85, 55.75], [165.75, 56.0]]]]}, "2023-07-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[167.0, 55.25], [166.47, 55.47], [166.25, 56.0], [166.47, 56.53], [167.0, 56.75], [167.25, 56.65], [167.5, 56.75], [168.03, 56.53], [168.25, 56.0], [168.03, 55.47], [167.5, 55.25], [167.25, 55.35], [167.0, 55.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.0013735872798293}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.6981969470112444}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [9.057790580631263, 9.340235971098025, 9.679782682600262, 9.756518790060227, 9.875251840727572, 9.706942606767655, 9.735928256514626, 9.816334714905963, 10.185349879649664, 9.960869254356908]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [9.095089667579032, 10.093807025786248, 11.235899246642191, 11.82104166752191, 10.943494364349192, 10.374069953353626, 10.00482146718167, 10.024198696298413, 10.281425175516858, 10.027275767016476]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.5130052297788836, 1.651335278741023, 1.821097771097666, 1.7856086193980576, 1.7666276425930176, 1.5013307760934518, 1.407844668247569, 1.422580420402312, 1.7305205094117042, 1.4850485444389392]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.5171608502884624, 2.055952844635385, 2.9421597726801565, 3.0013735872798293, 2.3546612049365763, 1.822753421107393, 1.5671927384285027, 1.600550995929268, 1.875451970190511, 1.5115249663691088]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5271094091132171, 1.4537544760893102, 1.5846954363607908, 1.5843595479876236, 1.6283683559820055, 1.4296487868661458, 1.4164929309120073, 1.442117936533065, 1.7002652182137634, 1.436861063314368]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5559347016545346, 2.060321363309821, 1.993520415860086, 2.100224144031052, 2.054173798090414, 1.870240784165663, 1.7823142553556461, 1.5552286242275444, 1.8437572165935792, 1.443751205323955]}}