{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:07:29.316062", "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": "2017-Mar-01_to_2017-Mar-03_150.0_46.0"}, "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": 2017030001015}, "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 01 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 03 2017"}, "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": 127657.22639122656}, "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", "N.Pacific-Ocean", "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": 46.0}, "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": 150.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "150.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 149.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 155.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 43.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 48.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-03-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[148.75, 46.0], [148.97, 46.53], [149.5, 46.75], [149.75, 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[148.97, 45.47], [148.75, 46.0]]]]}, "2017-03-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[148.75, 46.0], [148.97, 46.53], [149.5, 46.75], [149.75, 46.65], [149.82, 46.68], [149.97, 47.03], [150.32, 47.18], [150.47, 47.53], [151.0, 47.75], [151.25, 47.65], [151.32, 47.68], [151.47, 48.03], [151.82, 48.18], [151.97, 48.53], [152.32, 48.68], [152.47, 49.03], [153.0, 49.25], [153.25, 49.15], [153.5, 49.25], [153.75, 49.15], [154.0, 49.25], [154.25, 49.15], [154.5, 49.25], [154.75, 49.15], [155.0, 49.25], [155.53, 49.03], [155.75, 48.5], [155.65, 48.25], [155.75, 48.0], [155.65, 47.75], [155.75, 47.5], [155.53, 46.97], [155.18, 46.82], [155.03, 46.47], [154.5, 46.25], [154.25, 46.35], [154.18, 46.32], [154.15, 46.25], [154.25, 46.0], [154.03, 45.47], [153.68, 45.32], [153.65, 45.25], [153.75, 45.0], [153.53, 44.47], [153.0, 44.25], [152.75, 44.35], [152.5, 44.25], [152.25, 44.35], [152.0, 44.25], [151.75, 44.35], [151.68, 44.32], [151.53, 43.97], [151.18, 43.82], 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"anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.795822574523092, 4.098153612880613, 3.2301385430902183]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.013318348469625, 5.944233429149961, 4.100874848132264]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.416183430576617, 2.1400511550939854, 1.7400487120139492]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6267517715142699, 2.660210333881399, 2.0258098813130196]}}