{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:09:28.753947", "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": "2017-Nov-06_to_2017-Nov-14_49.5_8.0"}, "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": 2017110001541}, "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 06 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 14 2017"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 9}, "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": 58107.579628205625}, "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": ["Somalia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Eastern-Africa"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Africa"]}, "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": ["Indian Ocean"]}, "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": 8.0}, "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": 49.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "49.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 48.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 50.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 6.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 9.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-11-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[49.0, 7.75], [49.53, 7.53], [49.75, 7.0], [49.53, 6.47], [49.0, 6.25], [48.47, 6.47], [48.25, 7.0], [48.47, 7.53], [49.0, 7.75]]]]}, "2017-11-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[47.97, 9.53], [48.5, 9.75], [48.75, 9.65], [48.82, 9.68], [48.97, 10.03], [49.5, 10.25], [49.75, 10.15], [50.0, 10.25], [50.53, 10.03], [50.68, 9.68], [51.03, 9.53], [51.25, 9.0], [51.03, 8.47], [50.68, 8.32], [50.54, 8.0], [50.75, 7.5], [50.53, 6.97], [50.0, 6.75], [49.75, 6.85], [49.68, 6.82], [49.53, 6.47], [49.0, 6.25], [48.47, 6.47], [48.32, 6.82], [47.97, 6.97], [47.75, 7.5], [47.96, 8.0], [47.75, 8.5], [47.85, 8.75], [47.75, 9.0], [47.97, 9.53]]]]}, "2017-11-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[47.97, 9.53], [48.5, 9.75], [48.75, 9.65], [48.82, 9.68], [48.97, 10.03], [49.5, 10.25], [49.75, 10.15], [50.0, 10.25], [50.53, 10.03], [50.68, 9.68], [51.03, 9.53], [51.25, 9.0], [51.03, 8.47], [50.68, 8.32], [50.54, 8.0], [50.75, 7.5], [50.53, 6.97], [50.0, 6.75], [49.75, 6.85], [49.68, 6.82], [49.53, 6.47], [49.0, 6.25], [48.47, 6.47], [48.32, 6.82], [47.97, 6.97], [47.75, 7.5], [47.96, 8.0], [47.75, 8.5], [47.85, 8.75], [47.75, 9.0], [47.97, 9.53]]]]}, "2017-11-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[47.97, 9.53], [48.5, 9.75], [48.75, 9.65], [48.82, 9.68], [48.97, 10.03], [49.5, 10.25], [49.75, 10.15], [50.0, 10.25], [50.53, 10.03], [50.68, 9.68], [51.03, 9.53], [51.25, 9.0], [51.03, 8.47], [50.68, 8.32], [50.54, 8.0], [50.75, 7.5], [50.53, 6.97], [50.0, 6.75], [49.75, 6.85], [49.68, 6.82], [49.53, 6.47], [49.0, 6.25], [48.47, 6.47], [48.32, 6.82], [47.97, 6.97], [47.75, 7.5], [47.96, 8.0], [47.75, 8.5], [47.85, 8.75], [47.75, 9.0], [47.97, 9.53]]]]}, "2017-11-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[48.97, 8.53], [49.5, 8.75], [50.03, 8.53], [50.18, 8.18], [50.53, 8.03], [50.75, 7.5], [50.53, 6.97], [50.0, 6.75], [49.75, 6.85], [49.5, 6.75], [48.97, 6.97], [48.75, 7.5], [48.85, 7.75], [48.75, 8.0], [48.97, 8.53]]]]}, "2017-11-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[48.97, 8.53], [49.5, 8.75], [50.03, 8.53], [50.25, 8.0], [50.15, 7.75], [50.25, 7.5], [50.03, 6.97], [49.5, 6.75], [48.97, 6.97], [48.75, 7.5], [48.85, 7.75], [48.75, 8.0], [48.97, 8.53]]]]}, "2017-11-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[50.0, 7.75], [50.53, 7.53], [50.75, 7.0], [50.53, 6.47], [50.0, 6.25], [49.47, 6.47], [49.25, 7.0], [49.47, 7.53], [50.0, 7.75]]]]}, "2017-11-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[50.0, 7.75], [50.53, 7.53], [50.75, 7.0], [50.53, 6.47], [50.0, 6.25], [49.47, 6.47], [49.25, 7.0], [49.47, 7.53], [50.0, 7.75]]]]}, "2017-11-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[50.0, 7.75], [50.53, 7.53], [50.75, 7.0], [50.53, 6.47], [50.0, 6.25], [49.47, 6.47], [49.25, 7.0], [49.47, 7.53], [50.0, 7.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.683739380413158}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.4936916372319904}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.473920519199623, 26.416710061492438, 26.91329770472987, 26.31723942331695, 26.740554768608376, 26.424766367081986, 27.181488542842715, 27.295367365375967, 27.180513552923742]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.473920519199623, 27.67996838873762, 28.143348597550357, 27.43323093991546, 27.334236963478077, 26.7006885141447, 27.181488542842715, 27.295367365375967, 27.180513552923742]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.0880168098266267, 1.4275831759750683, 1.969787561897871, 1.3935063315359804, 0.9031947481755273, 0.9224690105600928, 0.6795355348683643, 0.8151788688809916, 0.7295324170320896]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.0880168098266267, 2.0120984821115826, 2.683739380413158, 1.809537540784163, 1.0581960133732196, 1.0095391007624244, 0.6795355348683643, 0.8151788688809916, 0.7295324170320896]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4036535778392836, 1.6376579052752387, 2.336229094124156, 1.6890572224328306, 1.5147523933470215, 1.4022526568271028, 1.3306105106821786, 1.6352442520956318, 1.4418175035007226]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4036535778392836, 1.936040647788624, 2.872646870578864, 2.1009619033225215, 1.7882267471127078, 1.4397445110755813, 1.3306105106821786, 1.6352442520956318, 1.4418175035007226]}}