{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:52:04.917089", "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": "2012-Dec-08_to_2012-Dec-11_48.0_26.5"}, "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": 2012120001755}, "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": "December 08 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 11 2012"}, "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": 188012.9596380242}, "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": ["Saudi Arabia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Arabian-Peninsula", "W.C.Asia"]}, "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": ["Persian Gulf"]}, "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": 26.5}, "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": 48.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "48.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 46.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 54.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 24.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 29.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-12-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[45.75, 26.0], [45.97, 26.53], [46.32, 26.68], [46.47, 27.03], [46.82, 27.18], [46.88, 27.3], [46.47, 27.47], [46.25, 28.0], [46.35, 28.25], [46.25, 28.5], [46.47, 29.03], [47.0, 29.25], [47.25, 29.15], [47.5, 29.25], [47.75, 29.15], [48.0, 29.25], [48.25, 29.15], [48.32, 29.18], [48.47, 29.53], [49.0, 29.75], [49.53, 29.53], [49.75, 29.0], [49.53, 28.47], [49.18, 28.32], [49.15, 28.25], [49.25, 28.0], [49.04, 27.5], [49.18, 27.18], [49.53, 27.03], [49.75, 26.5], [49.53, 25.97], [49.0, 25.75], [48.75, 25.85], [48.68, 25.82], [48.53, 25.47], [48.18, 25.32], [48.03, 24.97], [47.5, 24.75], [47.25, 24.85], [47.0, 24.75], [46.47, 24.97], [46.32, 25.32], [45.97, 25.47], [45.75, 26.0]]]]}, "2012-12-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[45.85, 25.75], [45.75, 26.0], [45.97, 26.53], [46.32, 26.68], [46.47, 27.03], [46.82, 27.18], [46.88, 27.3], [46.47, 27.47], [46.25, 28.0], [46.35, 28.25], [46.25, 28.5], [46.47, 29.03], [47.0, 29.25], [47.25, 29.15], [47.5, 29.25], [47.75, 29.15], [48.0, 29.25], [48.25, 29.15], [48.32, 29.18], [48.47, 29.53], [49.0, 29.75], [49.25, 29.65], [49.5, 29.75], [50.03, 29.53], [50.25, 29.0], [50.13, 28.7], [50.53, 28.53], [50.75, 28.0], [50.65, 27.75], [50.68, 27.68], [50.75, 27.65], [51.0, 27.75], [51.25, 27.65], [51.5, 27.75], [51.75, 27.65], [51.82, 27.68], [51.97, 28.03], [52.5, 28.25], [53.03, 28.03], [53.25, 27.5], [53.15, 27.25], [53.18, 27.18], [53.25, 27.15], [53.5, 27.25], [54.03, 27.03], [54.18, 26.68], [54.53, 26.53], [54.68, 26.18], [55.03, 26.03], [55.25, 25.5], [55.15, 25.25], [55.25, 25.0], [55.03, 24.47], [54.5, 24.25], [54.25, 24.35], [54.0, 24.25], [53.75, 24.35], [53.5, 24.25], [52.97, 24.47], [52.82, 24.82], [52.47, 24.97], [52.32, 25.32], [51.97, 25.47], [51.82, 25.82], [51.47, 25.97], [51.32, 26.32], [51.25, 26.35], [51.0, 26.25], [50.75, 26.35], [50.5, 26.25], [50.25, 26.35], [50.18, 26.32], [50.15, 26.25], [50.25, 26.0], [50.15, 25.75], [50.25, 25.5], [50.03, 24.97], [49.68, 24.82], [49.53, 24.47], [49.0, 24.25], [48.75, 24.35], [48.5, 24.25], [48.25, 24.35], [48.0, 24.25], [47.75, 24.35], [47.5, 24.25], [47.25, 24.35], [47.0, 24.25], [46.75, 24.35], [46.5, 24.25], [45.97, 24.47], [45.75, 25.0], [45.85, 25.25], [45.75, 25.5], [45.85, 25.75]]]]}, "2012-12-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[45.85, 25.75], [45.75, 26.0], [45.97, 26.53], [46.32, 26.68], [46.47, 27.03], [46.82, 27.18], [46.88, 27.3], [46.47, 27.47], [46.25, 28.0], [46.35, 28.25], [46.25, 28.5], [46.47, 29.03], [47.0, 29.25], [47.25, 29.15], [47.5, 29.25], [47.75, 29.15], [48.0, 29.25], [48.25, 29.15], [48.32, 29.18], [48.47, 29.53], [49.0, 29.75], [49.25, 29.65], [49.5, 29.75], [50.03, 29.53], [50.25, 29.0], [50.13, 28.7], [50.53, 28.53], [50.75, 28.0], [50.65, 27.75], [50.68, 27.68], [50.75, 27.65], [51.0, 27.75], [51.25, 27.65], [51.5, 27.75], [51.75, 27.65], [51.82, 27.68], [51.97, 28.03], [52.5, 28.25], [53.03, 28.03], [53.25, 27.5], [53.15, 27.25], [53.18, 27.18], [53.25, 27.15], [53.5, 27.25], [54.03, 27.03], [54.18, 26.68], [54.53, 26.53], [54.68, 26.18], [55.03, 26.03], [55.25, 25.5], [55.15, 25.25], [55.25, 25.0], [55.03, 24.47], [54.5, 24.25], [54.25, 24.35], [54.0, 24.25], [53.75, 24.35], [53.5, 24.25], [52.97, 24.47], [52.82, 24.82], [52.47, 24.97], [52.32, 25.32], [51.97, 25.47], [51.82, 25.82], [51.47, 25.97], [51.32, 26.32], [51.25, 26.35], [51.0, 26.25], [50.75, 26.35], [50.5, 26.25], [50.25, 26.35], [50.18, 26.32], [50.15, 26.25], [50.25, 26.0], [50.15, 25.75], [50.25, 25.5], [50.03, 24.97], [49.68, 24.82], [49.53, 24.47], [49.0, 24.25], [48.75, 24.35], [48.5, 24.25], [48.25, 24.35], [48.0, 24.25], [47.75, 24.35], [47.5, 24.25], [47.25, 24.35], [47.0, 24.25], [46.75, 24.35], [46.5, 24.25], [45.97, 24.47], [45.75, 25.0], [45.85, 25.25], [45.75, 25.5], [45.85, 25.75]]]]}, "2012-12-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[45.85, 25.75], [45.75, 26.0], [45.97, 26.53], [46.32, 26.68], [46.47, 27.03], [46.82, 27.18], [46.88, 27.3], [46.47, 27.47], [46.25, 28.0], [46.35, 28.25], [46.25, 28.5], [46.47, 29.03], [47.0, 29.25], [47.25, 29.15], [47.5, 29.25], [47.75, 29.15], [48.0, 29.25], [48.25, 29.15], [48.32, 29.18], [48.47, 29.53], [49.0, 29.75], [49.25, 29.65], [49.5, 29.75], [50.03, 29.53], [50.25, 29.0], [50.13, 28.7], [50.53, 28.53], [50.75, 28.0], [50.65, 27.75], [50.68, 27.68], [50.75, 27.65], [51.0, 27.75], [51.25, 27.65], [51.5, 27.75], [51.75, 27.65], [51.82, 27.68], [51.97, 28.03], [52.5, 28.25], [53.03, 28.03], [53.25, 27.5], [53.15, 27.25], [53.18, 27.18], [53.25, 27.15], [53.5, 27.25], [54.03, 27.03], [54.18, 26.68], [54.53, 26.53], [54.68, 26.18], [55.03, 26.03], [55.25, 25.5], [55.15, 25.25], [55.25, 25.0], [55.03, 24.47], [54.5, 24.25], [54.25, 24.35], [54.0, 24.25], [53.75, 24.35], [53.5, 24.25], [52.97, 24.47], [52.82, 24.82], [52.47, 24.97], [52.32, 25.32], [51.97, 25.47], [51.82, 25.82], [51.47, 25.97], [51.32, 26.32], [51.25, 26.35], [51.0, 26.25], [50.75, 26.35], [50.5, 26.25], [50.25, 26.35], [50.18, 26.32], [50.15, 26.25], [50.25, 26.0], [50.15, 25.75], [50.25, 25.5], [50.03, 24.97], [49.68, 24.82], [49.53, 24.47], [49.0, 24.25], [48.75, 24.35], [48.5, 24.25], [48.25, 24.35], [48.0, 24.25], [47.75, 24.35], [47.5, 24.25], [47.25, 24.35], [47.0, 24.25], [46.75, 24.35], [46.5, 24.25], [45.97, 24.47], [45.75, 25.0], [45.85, 25.25], [45.75, 25.5], [45.85, 25.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 8.181938422588757}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.417448544564931}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [20.38836465870787, 22.433549070361835, 22.8007770627255, 23.45277532584072]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [22.214087106703744, 25.832508787595373, 25.7396714275323, 25.687838981206653]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.438129803958447, 3.8322163527180293, 4.328708857163086, 5.084425291959997]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.108740164057053, 5.785881805342967, 7.501628291965574, 8.181938422588757]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.337686741196962, 1.460455657251983, 1.7092881314218826, 2.0536489693236666]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4410218053129031, 1.717644464572071, 2.1989661340835336, 2.7966540862562854]}}