{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:32:29.735815", "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-Sep-15_to_2022-Sep-18_58.0_23.5"}, "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": 2022090002044}, "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": "September 15 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 18 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": 51264.152307643926}, "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": ["Oman"]}, "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": ["Gulf of Oman"]}, "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": 23.5}, "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": 58.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "58.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 56.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 59.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 20.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 24.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-09-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[55.97, 22.97], [55.75, 23.5], [55.97, 24.03], [56.5, 24.25], [56.75, 24.15], [57.0, 24.25], [57.3, 24.13], [57.47, 24.53], [58.0, 24.75], [58.25, 24.65], [58.5, 24.75], [59.03, 24.53], [59.25, 24.0], [59.15, 23.75], [59.18, 23.68], [59.53, 23.53], [59.68, 23.18], [60.03, 23.03], [60.25, 22.5], [60.03, 21.97], [59.5, 21.75], [58.97, 21.97], [58.82, 22.32], [58.47, 22.47], [58.32, 22.82], [58.25, 22.85], [58.0, 22.75], [57.5, 22.96], [57.0, 22.75], [56.75, 22.85], [56.5, 22.75], [55.97, 22.97]]]]}, "2022-09-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[56.25, 22.0], [56.35, 22.25], [56.25, 22.5], [56.35, 22.75], [56.32, 22.82], [55.97, 22.97], [55.75, 23.5], [55.97, 24.03], [56.5, 24.25], [56.75, 24.15], [57.0, 24.25], [57.3, 24.13], [57.47, 24.53], [58.0, 24.75], [58.25, 24.65], [58.5, 24.75], [59.03, 24.53], [59.25, 24.0], [59.15, 23.75], [59.18, 23.68], [59.53, 23.53], [59.68, 23.18], [60.03, 23.03], [60.25, 22.5], [60.03, 21.97], [59.5, 21.75], [58.97, 21.97], [58.82, 22.32], [58.75, 22.35], [58.68, 22.32], [58.53, 21.97], [58.0, 21.75], [57.75, 21.85], [57.68, 21.82], [57.65, 21.75], [57.75, 21.5], [57.53, 20.97], [57.18, 20.82], [57.03, 20.47], [56.5, 20.25], [55.97, 20.47], [55.75, 21.0], [55.97, 21.53], [56.32, 21.68], [56.35, 21.75], [56.25, 22.0]]]]}, "2022-09-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[56.25, 22.0], [56.35, 22.25], [56.25, 22.5], [56.35, 22.75], [56.32, 22.82], [55.97, 22.97], [55.75, 23.5], [55.97, 24.03], [56.5, 24.25], [56.75, 24.15], [57.0, 24.25], [57.3, 24.13], [57.47, 24.53], [58.0, 24.75], [58.25, 24.65], [58.5, 24.75], [59.03, 24.53], [59.25, 24.0], [59.15, 23.75], [59.18, 23.68], [59.53, 23.53], [59.68, 23.18], [60.03, 23.03], [60.25, 22.5], [60.03, 21.97], [59.5, 21.75], [58.97, 21.97], [58.82, 22.32], [58.75, 22.35], [58.68, 22.32], [58.53, 21.97], [58.0, 21.75], [57.75, 21.85], [57.68, 21.82], [57.65, 21.75], [57.75, 21.5], [57.53, 20.97], [57.18, 20.82], [57.03, 20.47], [56.5, 20.25], [55.97, 20.47], [55.75, 21.0], [55.97, 21.53], [56.32, 21.68], [56.35, 21.75], [56.25, 22.0]]]]}, "2022-09-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[56.25, 22.0], [56.35, 22.25], [56.25, 22.5], [56.35, 22.75], [56.32, 22.82], [55.97, 22.97], [55.75, 23.5], [55.97, 24.03], [56.5, 24.25], [57.03, 24.03], [57.18, 23.68], [57.25, 23.65], [57.5, 23.75], [57.75, 23.65], [58.0, 23.75], [58.25, 23.65], [58.5, 23.75], [59.03, 23.53], [59.25, 23.0], [59.03, 22.47], [58.68, 22.32], [58.53, 21.97], [58.0, 21.75], [57.75, 21.85], [57.68, 21.82], [57.65, 21.75], [57.75, 21.5], [57.53, 20.97], [57.18, 20.82], [57.03, 20.47], [56.5, 20.25], [55.97, 20.47], [55.75, 21.0], [55.97, 21.53], [56.32, 21.68], [56.35, 21.75], [56.25, 22.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.369355153675997}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.69387936233094}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [32.88877915911564, 34.43728176572614, 34.327967347350636, 34.164422539149996]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [34.553600145507914, 36.75805163573233, 36.960549587275295, 35.47169972903572]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.1040247175548217, 2.998713869701346, 2.9237770610308065, 2.247848221325853]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.662812402215536, 3.768130148511659, 4.369355153675997, 2.665923558855752]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6497053754190565, 2.0181371701822544, 1.9012914004579686, 1.3662289029116896]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.0439987860045115, 2.5802988294976426, 2.503996327961079, 1.4425335050225856]}}