{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:53:25.418144", "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-May-08_to_2013-May-14_56.0_11.0"}, "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": 2013050001838}, "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": "May 08 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 14 2013"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 54493.5750073415}, "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-Sea"]}, "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"]}, "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": 11.0}, "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": 56.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "56.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 52.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 56.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 10.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 12.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-05-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[53.5, 13.25], [54.03, 13.03], [54.25, 12.5], [54.03, 11.97], [53.5, 11.75], [52.97, 11.97], [52.75, 12.5], [52.97, 13.03], [53.5, 13.25]]]]}, "2013-05-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[53.5, 13.25], [54.03, 13.03], [54.25, 12.5], [54.03, 11.97], [53.5, 11.75], [52.97, 11.97], [52.75, 12.5], [52.97, 13.03], [53.5, 13.25]]]]}, "2013-05-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[52.97, 13.03], [53.5, 13.25], [54.03, 13.03], [54.25, 12.5], [54.03, 11.97], [53.63, 11.8], [53.75, 11.5], [53.53, 10.97], [53.0, 10.75], [52.47, 10.97], [52.25, 11.5], [52.47, 12.03], [52.88, 12.2], [52.75, 12.5], [52.97, 13.03]]]]}, "2013-05-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[52.25, 11.5], [52.47, 12.03], [52.82, 12.18], [52.97, 12.53], [53.5, 12.75], [53.75, 12.65], [53.82, 12.68], [53.97, 13.03], [54.5, 13.25], [55.03, 13.03], [55.18, 12.68], [55.25, 12.65], [55.5, 12.75], [56.03, 12.53], [56.18, 12.18], [56.53, 12.03], [56.75, 11.5], [56.65, 11.25], [56.75, 11.0], [56.53, 10.47], [56.0, 10.25], [55.75, 10.35], [55.5, 10.25], [54.97, 10.47], [54.82, 10.82], [54.75, 10.85], [54.68, 10.82], [54.53, 10.47], [54.0, 10.25], [53.75, 10.35], [53.5, 10.25], [52.97, 10.47], [52.82, 10.82], [52.47, 10.97], [52.25, 11.5]]]]}, "2013-05-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[52.25, 11.5], [52.47, 12.03], [52.82, 12.18], [52.97, 12.53], [53.5, 12.75], [53.75, 12.65], [53.82, 12.68], [53.97, 13.03], [54.5, 13.25], [55.03, 13.03], [55.18, 12.68], [55.25, 12.65], [55.5, 12.75], [56.03, 12.53], [56.18, 12.18], [56.53, 12.03], [56.75, 11.5], [56.65, 11.25], [56.75, 11.0], [56.53, 10.47], [56.0, 10.25], [55.75, 10.35], [55.5, 10.25], [54.97, 10.47], [54.82, 10.82], [54.75, 10.85], [54.68, 10.82], [54.53, 10.47], [54.0, 10.25], [53.75, 10.35], [53.5, 10.25], [52.97, 10.47], [52.82, 10.82], [52.47, 10.97], [52.25, 11.5]]]]}, "2013-05-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[52.85, 11.75], [52.75, 12.0], [52.97, 12.53], [53.5, 12.75], [53.75, 12.65], [53.82, 12.68], [53.97, 13.03], [54.5, 13.25], [55.03, 13.03], [55.18, 12.68], [55.25, 12.65], [55.5, 12.75], [56.03, 12.53], [56.18, 12.18], [56.53, 12.03], [56.75, 11.5], [56.65, 11.25], [56.75, 11.0], [56.53, 10.47], [56.0, 10.25], [55.75, 10.35], [55.5, 10.25], [54.97, 10.47], [54.82, 10.82], [54.75, 10.85], [54.68, 10.82], [54.53, 10.47], [54.0, 10.25], [53.75, 10.35], [53.5, 10.25], [52.97, 10.47], [52.75, 11.0], [52.85, 11.25], [52.75, 11.5], [52.85, 11.75]]]]}, "2013-05-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[56.0, 11.75], [56.53, 11.53], [56.75, 11.0], [56.53, 10.47], [56.0, 10.25], [55.47, 10.47], [55.25, 11.0], [55.47, 11.53], [56.0, 11.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.5044945278151545}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.0640112272411175}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [30.53654244840044, 30.319753041697936, 30.123230628560236, 29.72608201021825, 29.940090450381263, 29.940411241404092, 29.45092963459473]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [30.53654244840044, 30.319753041697936, 30.51020725519703, 29.88895052878121, 30.470307851036125, 30.348705889647647, 29.45092963459473]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.0044277419051468, 0.7815520350828251, 0.9210372902748247, 0.9396185285239386, 1.1483801023976725, 1.1599717596974308, 0.8370382598975539]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.0044277419051468, 0.7815520350828251, 0.9763157920470462, 1.0373696400404242, 1.5044945278151545, 1.3805177464920462, 0.8370382598975539]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6147785820334992, 1.1963322794361957, 1.5244566343945207, 1.5904150844035414, 1.913806184128008, 1.8708956404792536, 1.2449655426564719]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6147785820334992, 1.1963322794361957, 1.629408885394606, 1.8812877439554538, 2.3793711113009706, 2.1176841263615134, 1.2449655426564719]}}