{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:52:35.196071", "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": "2013-Jan-31_to_2013-Feb-04_50.5_15.0"}, "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": 2013010002694}, "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": "January 31 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 04 2013"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 110928.19977832907}, "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": ["Yemen"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Arabian-Peninsula", "Arabian-Sea", "N.Eastern-Africa"]}, "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": ["Arabian Sea", "Gulf of Aden"]}, "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": 15.0}, "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": 50.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "50.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 47.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 54.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 12.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 15.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-01-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[51.35, 14.75], [51.25, 15.0], [51.47, 15.53], [52.0, 15.75], [52.53, 15.53], [52.68, 15.18], [52.75, 15.15], [53.0, 15.25], [53.53, 15.03], [53.75, 14.5], [53.53, 13.97], [53.18, 13.82], [53.03, 13.47], [52.5, 13.25], [52.25, 13.35], [52.0, 13.25], [51.47, 13.47], [51.25, 14.0], [51.35, 14.25], [51.25, 14.5], [51.35, 14.75]]]]}, "2013-02-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[48.25, 13.5], [48.47, 14.03], [48.82, 14.18], [48.97, 14.53], [49.5, 14.75], [49.75, 14.65], [50.0, 14.75], [50.25, 14.65], [50.5, 14.75], [50.75, 14.65], [50.82, 14.68], [50.97, 15.03], [51.32, 15.18], [51.47, 15.53], [52.0, 15.75], [52.25, 15.65], [52.5, 15.75], [53.03, 15.53], [53.18, 15.18], [53.25, 15.15], [53.5, 15.25], [53.75, 15.15], [54.0, 15.25], [54.53, 15.03], [54.75, 14.5], [54.65, 14.25], [54.75, 14.0], [54.53, 13.47], [54.0, 13.25], [53.75, 13.35], [53.5, 13.25], [53.07, 13.43], [53.25, 13.0], [53.03, 12.47], [52.5, 12.25], [51.97, 12.47], [51.82, 12.82], [51.75, 12.85], [51.5, 12.75], [51.25, 12.85], [51.0, 12.75], [50.75, 12.85], [50.68, 12.82], [50.53, 12.47], [50.0, 12.25], [49.75, 12.35], [49.5, 12.25], [48.97, 12.47], [48.82, 12.82], [48.47, 12.97], [48.25, 13.5]]]]}, "2013-02-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[48.0, 15.25], [48.5, 15.04], [49.0, 15.25], [49.3, 15.13], [49.47, 15.53], [50.0, 15.75], [50.25, 15.65], [50.5, 15.75], [51.03, 15.53], [51.18, 15.18], [51.25, 15.15], [51.32, 15.18], [51.47, 15.53], [52.0, 15.75], [52.25, 15.65], [52.5, 15.75], [53.03, 15.53], [53.18, 15.18], [53.25, 15.15], [53.5, 15.25], [53.75, 15.15], [54.0, 15.25], [54.53, 15.03], [54.75, 14.5], [54.65, 14.25], [54.75, 14.0], [54.53, 13.47], [54.0, 13.25], [53.75, 13.35], [53.5, 13.25], [53.07, 13.43], [53.25, 13.0], [53.03, 12.47], [52.5, 12.25], [51.97, 12.47], [51.82, 12.82], [51.75, 12.85], [51.5, 12.75], [51.25, 12.85], [51.0, 12.75], [50.75, 12.85], [50.68, 12.82], [50.53, 12.47], [50.0, 12.25], [49.75, 12.35], [49.5, 12.25], [48.97, 12.47], [48.82, 12.82], [48.47, 12.97], [48.32, 13.32], [48.0, 13.46], [47.5, 13.25], [46.97, 13.47], [46.75, 14.0], [46.97, 14.53], [47.32, 14.68], [47.47, 15.03], [48.0, 15.25]]]]}, "2013-02-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[48.0, 15.25], [48.5, 15.04], [49.0, 15.25], [49.3, 15.13], [49.47, 15.53], [50.0, 15.75], [50.25, 15.65], [50.5, 15.75], [51.03, 15.53], [51.18, 15.18], [51.25, 15.15], [51.32, 15.18], [51.47, 15.53], [52.0, 15.75], [52.25, 15.65], [52.5, 15.75], [53.03, 15.53], [53.18, 15.18], [53.25, 15.15], [53.5, 15.25], [53.75, 15.15], [54.0, 15.25], [54.53, 15.03], [54.75, 14.5], [54.65, 14.25], [54.75, 14.0], [54.53, 13.47], [54.0, 13.25], [53.75, 13.35], [53.5, 13.25], [53.07, 13.43], [53.25, 13.0], [53.03, 12.47], [52.5, 12.25], [51.97, 12.47], [51.82, 12.82], [51.75, 12.85], [51.5, 12.75], [51.25, 12.85], [51.0, 12.75], [50.75, 12.85], [50.68, 12.82], [50.53, 12.47], [50.0, 12.25], [49.75, 12.35], [49.5, 12.25], [48.97, 12.47], [48.82, 12.82], [48.47, 12.97], [48.32, 13.32], [48.0, 13.46], [47.5, 13.25], [46.97, 13.47], [46.75, 14.0], [46.97, 14.53], [47.32, 14.68], [47.47, 15.03], [48.0, 15.25]]]]}, "2013-02-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[48.0, 15.25], [48.5, 15.04], [49.0, 15.25], [49.3, 15.13], [49.47, 15.53], [50.0, 15.75], [50.25, 15.65], [50.5, 15.75], [51.03, 15.53], [51.18, 15.18], [51.53, 15.03], [51.75, 14.5], [51.65, 14.25], [51.75, 14.0], [51.53, 13.47], [51.0, 13.25], [50.75, 13.35], [50.68, 13.32], [50.53, 12.97], [50.0, 12.75], [49.5, 12.96], [49.0, 12.75], [48.47, 12.97], [48.32, 13.32], [48.0, 13.46], [47.5, 13.25], [46.97, 13.47], [46.75, 14.0], [46.97, 14.53], [47.32, 14.68], [47.47, 15.03], [48.0, 15.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.514373677562901}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.1635276164180248}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [24.89022836084888, 25.094487236983696, 24.799652187381696, 25.089473796622656, 24.70335355013117]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [24.98949884014553, 25.32793746405798, 25.383558289325265, 25.518512682998846, 25.378184296545783]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.9253972153877706, 0.9800662782426373, 1.0545901390886026, 1.3552189357245452, 1.3710492654032969]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.9810657074248184, 1.3421748175972539, 1.6912259170508719, 3.514373677562901, 2.3078977640781204]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3541831049995479, 1.5055689171920856, 1.5147704806955458, 1.8567650924196137, 1.7733535873901225]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4341790469443514, 1.8096052334664705, 1.8989230949185705, 3.3083670136963463, 2.7745146380226853]}}