{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:19:02.031952", "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": "2020-Feb-23_to_2020-Feb-25_46.0_27.5"}, "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": 2020020002224}, "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 23 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 25 2020"}, "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": 138113.38116295604}, "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": ["Iraq", "Kuwait", "Saudi Arabia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Arabian-Peninsula"]}, "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": 27.5}, "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": 46.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "46.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 44.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 48.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 23.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 29.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-02-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[44.35, 25.75], [44.25, 26.0], [44.35, 26.25], [44.25, 26.5], [44.47, 27.03], [44.82, 27.18], [44.85, 27.25], [44.75, 27.5], [44.97, 28.03], [45.32, 28.18], [45.35, 28.25], [45.25, 28.5], [45.47, 29.03], [45.82, 29.18], [45.85, 29.25], [45.75, 29.5], [45.97, 30.03], [46.5, 30.25], [46.75, 30.15], [47.0, 30.25], [47.53, 30.03], [47.68, 29.68], [48.03, 29.53], [48.25, 29.0], [48.15, 28.75], [48.25, 28.5], [48.03, 27.97], [47.68, 27.82], [47.65, 27.75], [47.68, 27.68], [47.75, 27.65], [48.0, 27.75], [48.53, 27.53], [48.75, 27.0], [48.65, 26.75], [48.75, 26.5], [48.53, 25.97], [48.18, 25.82], [48.15, 25.75], [48.25, 25.5], [48.03, 24.97], [47.5, 24.75], [47.25, 24.85], [47.18, 24.82], [47.15, 24.75], [47.25, 24.5], [47.03, 23.97], [46.68, 23.82], [46.65, 23.75], [46.75, 23.5], [46.53, 22.97], [46.0, 22.75], [45.47, 22.97], [45.25, 23.5], [45.35, 23.75], [45.32, 23.82], [44.97, 23.97], [44.82, 24.32], [44.47, 24.47], [44.25, 25.0], [44.35, 25.25], [44.25, 25.5], [44.35, 25.75]]]]}, "2020-02-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[44.35, 25.75], [44.25, 26.0], [44.35, 26.25], [44.25, 26.5], [44.47, 27.03], [44.82, 27.18], [44.85, 27.25], [44.75, 27.5], [44.97, 28.03], [45.32, 28.18], [45.35, 28.25], [45.25, 28.5], [45.47, 29.03], [45.82, 29.18], [45.85, 29.25], [45.75, 29.5], [45.97, 30.03], [46.5, 30.25], [46.75, 30.15], [47.0, 30.25], [47.53, 30.03], [47.68, 29.68], [48.03, 29.53], [48.25, 29.0], [48.15, 28.75], [48.25, 28.5], [48.03, 27.97], [47.68, 27.82], [47.65, 27.75], [47.68, 27.68], [47.75, 27.65], [48.0, 27.75], [48.53, 27.53], [48.75, 27.0], [48.65, 26.75], [48.75, 26.5], [48.53, 25.97], [48.18, 25.82], [48.15, 25.75], [48.25, 25.5], [48.03, 24.97], [47.5, 24.75], [47.25, 24.85], [47.18, 24.82], [47.15, 24.75], [47.25, 24.5], [47.03, 23.97], [46.68, 23.82], [46.65, 23.75], [46.75, 23.5], [46.53, 22.97], [46.0, 22.75], [45.47, 22.97], [45.25, 23.5], [45.35, 23.75], [45.32, 23.82], [44.97, 23.97], [44.82, 24.32], [44.47, 24.47], [44.25, 25.0], [44.35, 25.25], [44.25, 25.5], [44.35, 25.75]]]]}, "2020-02-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[44.35, 25.75], [44.25, 26.0], [44.35, 26.25], [44.25, 26.5], [44.47, 27.03], [44.82, 27.18], [44.85, 27.25], [44.75, 27.5], [44.97, 28.03], [45.32, 28.18], [45.35, 28.25], [45.25, 28.5], [45.47, 29.03], [45.82, 29.18], [45.85, 29.25], [45.75, 29.5], [45.97, 30.03], [46.5, 30.25], [46.75, 30.15], [47.0, 30.25], [47.53, 30.03], [47.68, 29.68], [48.03, 29.53], [48.25, 29.0], [48.15, 28.75], [48.25, 28.5], [48.03, 27.97], [47.68, 27.82], [47.65, 27.75], [47.68, 27.68], [47.75, 27.65], [48.0, 27.75], [48.53, 27.53], [48.75, 27.0], [48.65, 26.75], [48.75, 26.5], [48.53, 25.97], [48.18, 25.82], [48.15, 25.75], [48.25, 25.5], [48.03, 24.97], [47.5, 24.75], [47.25, 24.85], [47.18, 24.82], [47.15, 24.75], [47.25, 24.5], [47.03, 23.97], [46.68, 23.82], [46.65, 23.75], [46.75, 23.5], [46.53, 22.97], [46.0, 22.75], [45.47, 22.97], [45.25, 23.5], [45.35, 23.75], [45.32, 23.82], [44.97, 23.97], [44.82, 24.32], [44.47, 24.47], [44.25, 25.0], [44.35, 25.25], [44.25, 25.5], [44.35, 25.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 10.405506250015549}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 6.826412382063255}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [22.406309640186066, 25.393683243353223, 23.67647387206739]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [24.023427638396697, 26.765443633925656, 26.26577589663043]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.5662339329121036, 8.407476229530577, 6.505526983747086]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [7.490813947176946, 10.405506250015549, 8.591679973830708]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.618763709589954, 2.489530154254945, 1.922548201284418]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.0395938451771967, 3.1717000627822185, 2.6425853142214017]}}