{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:57:36.148340", "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": "2024-Feb-08_to_2024-Feb-11_77.5_45.0"}, "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": 2024020001186}, "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 08 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 11 2024"}, "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": 89202.70217623147}, "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"]}, "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": []}, "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": 45.0}, "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": 77.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "77.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 74.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 79.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 43.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 46.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[74.25, 47.15], [74.5, 47.25], [74.75, 47.15], [75.0, 47.25], [75.25, 47.15], [75.5, 47.25], [75.75, 47.15], [76.0, 47.25], [76.25, 47.15], [76.5, 47.25], [76.75, 47.15], [77.0, 47.25], [77.25, 47.15], [77.5, 47.25], [77.75, 47.15], [78.0, 47.25], [78.53, 47.03], [78.75, 46.5], [78.53, 45.97], [78.18, 45.82], [78.15, 45.75], [78.18, 45.68], [78.25, 45.65], [78.5, 45.75], [78.75, 45.65], [79.0, 45.75], [79.53, 45.53], [79.75, 45.0], [79.65, 44.75], [79.75, 44.5], [79.53, 43.97], [79.0, 43.75], [78.75, 43.85], [78.68, 43.82], [78.53, 43.47], [78.18, 43.32], [78.03, 42.97], [77.5, 42.75], [76.97, 42.97], [76.82, 43.32], [76.75, 43.35], [76.5, 43.25], [75.97, 43.47], [75.82, 43.82], [75.75, 43.85], [75.5, 43.75], [75.25, 43.85], [75.0, 43.75], [74.47, 43.97], [74.25, 44.5], [74.46, 45.0], [74.3, 45.38], [74.0, 45.25], [73.47, 45.47], [73.25, 46.0], [73.35, 46.25], [73.25, 46.5], [73.47, 47.03], [74.0, 47.25], [74.25, 47.15]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["W.Siberia", "W.C.Asia", "E.C.Asia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-02-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[73.25, 46.5], [73.47, 47.03], [74.0, 47.25], [74.25, 47.15], [74.5, 47.25], [74.75, 47.15], [75.0, 47.25], [75.25, 47.15], [75.5, 47.25], [75.75, 47.15], [76.0, 47.25], [76.25, 47.15], [76.5, 47.25], [76.75, 47.15], [77.0, 47.25], [77.25, 47.15], [77.5, 47.25], [77.75, 47.15], [78.0, 47.25], [78.53, 47.03], [78.75, 46.5], [78.53, 45.97], [78.18, 45.82], [78.15, 45.75], [78.18, 45.68], [78.25, 45.65], [78.5, 45.75], [79.03, 45.53], [79.25, 45.0], [79.03, 44.47], [78.68, 44.32], [78.53, 43.97], [78.0, 43.75], [77.5, 43.96], [77.0, 43.75], [76.75, 43.85], [76.5, 43.75], [75.97, 43.97], [75.75, 44.5], [75.85, 44.75], [75.75, 45.0], [75.85, 45.25], [75.75, 45.5], [75.88, 45.8], [75.75, 45.85], [75.5, 45.75], [75.25, 45.85], [75.0, 45.75], [74.75, 45.85], [74.68, 45.82], [74.53, 45.47], [74.0, 45.25], [73.47, 45.47], [73.25, 46.0], [73.35, 46.25], [73.25, 46.5]]]]}, "2024-02-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[73.25, 46.5], [73.47, 47.03], [74.0, 47.25], [74.25, 47.15], [74.5, 47.25], [74.75, 47.15], [75.0, 47.25], [75.25, 47.15], [75.5, 47.25], [75.75, 47.15], [76.0, 47.25], [76.25, 47.15], [76.5, 47.25], [76.75, 47.15], [77.0, 47.25], [77.25, 47.15], [77.5, 47.25], [77.75, 47.15], [78.0, 47.25], [78.53, 47.03], [78.75, 46.5], [78.53, 45.97], [78.18, 45.82], [78.15, 45.75], [78.18, 45.68], [78.25, 45.65], [78.5, 45.75], [78.75, 45.65], [79.0, 45.75], [79.53, 45.53], [79.75, 45.0], [79.65, 44.75], [79.75, 44.5], [79.53, 43.97], [79.0, 43.75], [78.75, 43.85], [78.68, 43.82], [78.53, 43.47], [78.18, 43.32], [78.03, 42.97], [77.5, 42.75], [76.97, 42.97], [76.82, 43.32], [76.75, 43.35], [76.5, 43.25], [75.97, 43.47], [75.82, 43.82], [75.75, 43.85], [75.5, 43.75], [75.25, 43.85], [75.0, 43.75], [74.47, 43.97], [74.25, 44.5], [74.46, 45.0], [74.3, 45.38], [74.0, 45.25], [73.47, 45.47], [73.25, 46.0], [73.35, 46.25], [73.25, 46.5]]]]}, "2024-02-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[73.25, 46.5], [73.47, 47.03], [74.0, 47.25], [74.25, 47.15], [74.5, 47.25], [74.75, 47.15], [75.0, 47.25], [75.25, 47.15], [75.5, 47.25], [75.75, 47.15], [76.0, 47.25], [76.25, 47.15], [76.5, 47.25], [76.75, 47.15], [77.0, 47.25], [77.25, 47.15], [77.5, 47.25], [77.75, 47.15], [78.0, 47.25], [78.53, 47.03], [78.75, 46.5], [78.53, 45.97], [78.18, 45.82], [78.15, 45.75], [78.18, 45.68], [78.25, 45.65], [78.5, 45.75], [78.75, 45.65], [79.0, 45.75], [79.53, 45.53], [79.75, 45.0], [79.65, 44.75], [79.75, 44.5], [79.53, 43.97], [79.0, 43.75], [78.75, 43.85], [78.68, 43.82], [78.53, 43.47], [78.18, 43.32], [78.03, 42.97], [77.5, 42.75], [76.97, 42.97], [76.82, 43.32], [76.75, 43.35], [76.5, 43.25], [75.97, 43.47], [75.82, 43.82], [75.75, 43.85], [75.5, 43.75], [75.25, 43.85], [75.0, 43.75], [74.47, 43.97], [74.25, 44.5], [74.46, 45.0], [74.3, 45.38], [74.0, 45.25], [73.47, 45.47], [73.25, 46.0], [73.35, 46.25], [73.25, 46.5]]]]}, "2024-02-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[74.25, 45.5], [74.47, 46.03], [75.0, 46.25], [75.25, 46.15], [75.5, 46.25], [75.75, 46.15], [75.82, 46.18], [75.97, 46.53], [76.32, 46.68], [76.47, 47.03], [77.0, 47.25], [77.25, 47.15], [77.5, 47.25], [77.75, 47.15], [78.0, 47.25], [78.53, 47.03], [78.75, 46.5], [78.53, 45.97], [78.18, 45.82], [78.15, 45.75], [78.18, 45.68], [78.25, 45.65], [78.5, 45.75], [78.75, 45.65], [79.0, 45.75], [79.53, 45.53], [79.75, 45.0], [79.65, 44.75], [79.75, 44.5], [79.53, 43.97], [79.0, 43.75], [78.75, 43.85], [78.68, 43.82], [78.53, 43.47], [78.18, 43.32], [78.03, 42.97], [77.5, 42.75], [76.97, 42.97], [76.82, 43.32], [76.75, 43.35], [76.5, 43.25], [75.97, 43.47], [75.82, 43.82], [75.75, 43.85], [75.5, 43.75], [75.25, 43.85], [75.0, 43.75], [74.47, 43.97], [74.25, 44.5], [74.46, 45.0], [74.25, 45.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 15.290203760513123}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 10.501325630862024}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [0.20063555445381098, 1.8471791683261358, 4.154839752072405, 3.8682035421349497]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [2.8428093928849876, 6.24181060177483, 8.759584090678402, 7.326355494865709]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [8.915587933943495, 9.605955727261513, 11.864041191093706, 11.01046666342813]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [10.790994664478774, 12.043352352149384, 15.290203760513123, 14.528989117863944]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3771934481753378, 1.4640528990604709, 1.8195568290322461, 1.7096318721434887]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6892253833310056, 1.7332620773397118, 2.21188441911029, 2.2162924916672346]}}