{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:22:02.354234", "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": "2022-Jul-26_to_2022-Jul-29_79.5_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": 2022070002877}, "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 26 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 29 2022"}, "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": 50322.47585560989}, "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": ["Kazakhstan", "Russian Federation"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia", "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": []}, "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": 79.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "79.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 77.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 81.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 53.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 55.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[80.5, 55.25], [80.8, 55.13], [80.97, 55.53], [81.5, 55.75], [82.03, 55.53], [82.25, 55.0], [82.15, 54.75], [82.25, 54.5], [82.03, 53.97], [81.68, 53.82], [81.53, 53.47], [81.0, 53.25], [80.75, 53.35], [80.68, 53.32], [80.53, 52.97], [80.0, 52.75], [79.5, 52.96], [79.0, 52.75], [78.75, 52.85], [78.5, 52.75], [78.25, 52.85], [78.0, 52.75], [77.75, 52.85], [77.5, 52.75], [76.97, 52.97], [76.75, 53.5], [76.97, 54.03], [77.32, 54.18], [77.38, 54.3], [76.97, 54.47], [76.75, 55.0], [76.85, 55.25], [76.75, 55.5], [76.97, 56.03], [77.5, 56.25], [77.75, 56.15], [78.0, 56.25], [78.25, 56.15], [78.5, 56.25], [78.75, 56.15], [79.0, 56.25], [79.53, 56.03], [79.68, 55.68], [80.03, 55.53], [80.18, 55.18], [80.25, 55.15], [80.5, 55.25]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["W.Siberia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-07-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[76.75, 55.5], [76.97, 56.03], [77.5, 56.25], [77.75, 56.15], [78.0, 56.25], [78.25, 56.15], [78.5, 56.25], [78.75, 56.15], [79.0, 56.25], [79.53, 56.03], [79.68, 55.68], [80.03, 55.53], [80.25, 55.0], [80.15, 54.75], [80.25, 54.5], [80.15, 54.25], [80.25, 54.0], [80.03, 53.47], [79.68, 53.32], [79.53, 52.97], [79.0, 52.75], [78.75, 52.85], [78.5, 52.75], [78.25, 52.85], [78.0, 52.75], [77.75, 52.85], [77.5, 52.75], [76.97, 52.97], [76.75, 53.5], [76.97, 54.03], [77.32, 54.18], [77.38, 54.3], [76.97, 54.47], [76.75, 55.0], [76.85, 55.25], [76.75, 55.5]]]]}, "2022-07-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[76.75, 55.5], [76.97, 56.03], [77.5, 56.25], [77.75, 56.15], [78.0, 56.25], [78.25, 56.15], [78.5, 56.25], [78.75, 56.15], [79.0, 56.25], [79.53, 56.03], [79.68, 55.68], [80.03, 55.53], [80.18, 55.18], [80.25, 55.15], [80.5, 55.25], [80.8, 55.13], [80.97, 55.53], [81.5, 55.75], [82.03, 55.53], [82.25, 55.0], [82.15, 54.75], [82.25, 54.5], [82.03, 53.97], [81.68, 53.82], [81.53, 53.47], [81.0, 53.25], [80.75, 53.35], [80.68, 53.32], [80.53, 52.97], [80.0, 52.75], [79.5, 52.96], [79.0, 52.75], [78.75, 52.85], [78.5, 52.75], [78.25, 52.85], [78.0, 52.75], [77.75, 52.85], [77.5, 52.75], [76.97, 52.97], [76.75, 53.5], [76.97, 54.03], [77.32, 54.18], [77.38, 54.3], [76.97, 54.47], [76.75, 55.0], [76.85, 55.25], [76.75, 55.5]]]]}, "2022-07-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[76.75, 55.5], [76.97, 56.03], [77.5, 56.25], [77.75, 56.15], [78.0, 56.25], [78.25, 56.15], [78.5, 56.25], [78.75, 56.15], [79.0, 56.25], [79.53, 56.03], [79.68, 55.68], [80.03, 55.53], [80.18, 55.18], [80.25, 55.15], [80.5, 55.25], [80.8, 55.13], [80.97, 55.53], [81.5, 55.75], [82.03, 55.53], [82.25, 55.0], [82.15, 54.75], [82.25, 54.5], [82.03, 53.97], [81.68, 53.82], [81.53, 53.47], [81.0, 53.25], [80.75, 53.35], [80.68, 53.32], [80.53, 52.97], [80.0, 52.75], [79.5, 52.96], [79.0, 52.75], [78.75, 52.85], [78.5, 52.75], [78.25, 52.85], [78.0, 52.75], [77.75, 52.85], [77.5, 52.75], [76.97, 52.97], [76.75, 53.5], [76.97, 54.03], [77.32, 54.18], [77.38, 54.3], [76.97, 54.47], [76.75, 55.0], [76.85, 55.25], [76.75, 55.5]]]]}, "2022-07-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[78.97, 55.03], [79.5, 55.25], [79.75, 55.15], [80.0, 55.25], [80.25, 55.15], [80.5, 55.25], [80.8, 55.13], [80.97, 55.53], [81.5, 55.75], [82.03, 55.53], [82.25, 55.0], [82.15, 54.75], [82.25, 54.5], [82.03, 53.97], [81.68, 53.82], [81.53, 53.47], [81.0, 53.25], [80.75, 53.35], [80.68, 53.32], [80.53, 52.97], [80.0, 52.75], [79.47, 52.97], [79.32, 53.32], [79.25, 53.35], [79.0, 53.25], [78.47, 53.47], [78.25, 54.0], [78.47, 54.53], [78.82, 54.68], [78.97, 55.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.101596213774997}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.855698797311872}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [23.750927527498902, 24.297290939375785, 23.79802708467429, 23.105194490038627]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.40297415574929, 26.212923421815105, 24.91058387209563, 23.83782159537543]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.648127936785096, 5.339048896763949, 4.74972772746725, 4.272499195632489]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.534493937411526, 6.101596213774997, 5.3996709944988766, 4.570875376396202]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4800812539386536, 1.6851128202011723, 1.4823614435213461, 1.317337012069558]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.779818131936436, 1.9320443756553471, 1.6874510273658274, 1.4033590787674484]}}