{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:51:55.715882", "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-Nov-24_to_2012-Nov-27_44.5_18.0"}, "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": 2012110002505}, "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": "November 24 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 27 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": 134700.30636177884}, "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", "Yemen"]}, "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": 18.0}, "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": 44.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "44.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 43.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 49.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 16.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 20.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-11-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[43.35, 18.75], [43.25, 19.0], [43.47, 19.53], [43.82, 19.68], 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"MultiPolygon", "coordinates": [[[[43.35, 18.75], [43.25, 19.0], [43.47, 19.53], [43.82, 19.68], [43.85, 19.75], [43.75, 20.0], [43.97, 20.53], [44.5, 20.75], [45.03, 20.53], [45.2, 20.13], [45.5, 20.25], [45.75, 20.15], [45.82, 20.18], [45.97, 20.53], [46.5, 20.75], [46.75, 20.65], [47.0, 20.75], [47.25, 20.65], [47.5, 20.75], [48.03, 20.53], [48.18, 20.18], [48.53, 20.03], [48.68, 19.68], [48.75, 19.65], [49.0, 19.75], [49.53, 19.53], [49.75, 19.0], [49.53, 18.47], [49.18, 18.32], [49.03, 17.97], [48.5, 17.75], [48.25, 17.85], [48.18, 17.82], [48.15, 17.75], [48.25, 17.5], [48.03, 16.97], [47.5, 16.75], [46.97, 16.97], [46.82, 17.32], [46.75, 17.35], [46.5, 17.25], [46.25, 17.35], [46.18, 17.32], [46.03, 16.97], [45.68, 16.82], [45.53, 16.47], [45.0, 16.25], [44.75, 16.35], [44.5, 16.25], [43.97, 16.47], [43.75, 17.0], [43.85, 17.25], [43.82, 17.32], [43.47, 17.47], [43.25, 18.0], [43.35, 18.25], [43.25, 18.5], [43.35, 18.75]]]]}, "2012-11-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[43.35, 18.75], [43.25, 19.0], [43.47, 19.53], [43.82, 19.68], [43.85, 19.75], [43.75, 20.0], [43.97, 20.53], [44.5, 20.75], [45.03, 20.53], [45.2, 20.13], [45.5, 20.25], [45.75, 20.15], [45.82, 20.18], [45.97, 20.53], [46.5, 20.75], [46.75, 20.65], [47.0, 20.75], [47.25, 20.65], [47.5, 20.75], [48.03, 20.53], [48.18, 20.18], [48.53, 20.03], [48.68, 19.68], [48.75, 19.65], [49.0, 19.75], [49.53, 19.53], [49.75, 19.0], [49.53, 18.47], [49.18, 18.32], [49.03, 17.97], [48.5, 17.75], [48.25, 17.85], [48.18, 17.82], [48.15, 17.75], [48.25, 17.5], [48.03, 16.97], [47.5, 16.75], [46.97, 16.97], [46.82, 17.32], [46.75, 17.35], [46.5, 17.25], [46.25, 17.35], [46.18, 17.32], [46.03, 16.97], [45.68, 16.82], [45.53, 16.47], [45.0, 16.25], [44.75, 16.35], [44.5, 16.25], [43.97, 16.47], [43.75, 17.0], [43.85, 17.25], [43.82, 17.32], [43.47, 17.47], [43.25, 18.0], [43.35, 18.25], [43.25, 18.5], [43.35, 18.75]]]]}, "2012-11-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[43.25, 18.0], [43.47, 18.53], [43.82, 18.68], [43.85, 18.75], [43.75, 19.0], [43.97, 19.53], [44.5, 19.75], [44.75, 19.65], [45.0, 19.75], [45.25, 19.65], [45.5, 19.75], [45.75, 19.65], [46.0, 19.75], [46.25, 19.65], [46.5, 19.75], [46.75, 19.65], [47.0, 19.75], [47.53, 19.53], [47.68, 19.18], [47.75, 19.15], [47.82, 19.18], [47.97, 19.53], [48.5, 19.75], [48.75, 19.65], [49.0, 19.75], [49.53, 19.53], [49.75, 19.0], [49.53, 18.47], [49.18, 18.32], [49.03, 17.97], [48.5, 17.75], [48.25, 17.85], [48.18, 17.82], [48.15, 17.75], [48.25, 17.5], [48.03, 16.97], [47.5, 16.75], [46.97, 16.97], [46.82, 17.32], [46.75, 17.35], [46.5, 17.25], [46.25, 17.35], [46.18, 17.32], [46.03, 16.97], [45.68, 16.82], [45.53, 16.47], [45.0, 16.25], [44.75, 16.35], [44.5, 16.25], [43.97, 16.47], [43.75, 17.0], [43.85, 17.25], [43.82, 17.32], [43.47, 17.47], [43.25, 18.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.613705592513611}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.4936224740242046}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [24.048505955420126, 24.185996451371693, 24.38896247842797, 23.897608723719543]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.585224400336358, 25.287415594872698, 25.39479731613784, 25.489912463257383]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.031721839999376, 3.4369477146182037, 3.828338190862496, 3.5578462239245012]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.346083462481772, 4.120875250509073, 4.613705592513611, 4.349843140817029]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4187045632786317, 1.6001512740223416, 1.745304946364831, 1.5903912089202783]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6312732013217026, 1.9221490998557373, 2.099373663405892, 1.936256301775884]}}