{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:55:45.901628", "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": "2014-Feb-02_to_2014-Feb-06_47.0_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": 2014020001450}, "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": "February 02 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 06 2014"}, "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": 50603.343011729055}, "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"]}, "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": 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": 47.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "47.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 44.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 48.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 14.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 17.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-02-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[45.25, 16.0], [45.47, 16.53], [45.82, 16.68], [45.85, 16.75], [45.75, 17.0], [45.97, 17.53], [46.5, 17.75], [47.03, 17.53], [47.2, 17.13], [47.5, 17.25], [48.03, 17.03], [48.25, 16.5], [48.03, 15.97], [47.5, 15.75], [47.2, 15.88], [47.15, 15.75], [47.18, 15.68], [47.53, 15.53], [47.75, 15.0], [47.53, 14.47], [47.0, 14.25], [46.47, 14.47], [46.32, 14.82], [45.97, 14.97], [45.82, 15.32], [45.47, 15.47], [45.25, 16.0]]]]}, "2014-02-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[43.75, 15.5], [43.97, 16.03], [44.5, 16.25], [45.03, 16.03], [45.18, 15.68], [45.43, 15.57], [45.25, 16.0], [45.47, 16.53], [45.82, 16.68], [45.85, 16.75], [45.75, 17.0], [45.97, 17.53], [46.5, 17.75], [47.03, 17.53], [47.2, 17.13], [47.5, 17.25], [47.75, 17.15], [48.0, 17.25], [48.25, 17.15], [48.5, 17.25], [49.03, 17.03], [49.25, 16.5], [49.03, 15.97], [48.5, 15.75], [48.25, 15.85], [48.0, 15.75], [47.75, 15.85], [47.68, 15.82], [47.54, 15.5], [47.75, 15.0], [47.53, 14.47], [47.0, 14.25], [46.75, 14.35], [46.68, 14.32], [46.53, 13.97], [46.0, 13.75], [45.47, 13.97], [45.3, 14.38], [45.0, 14.25], [44.47, 14.47], [44.32, 14.82], [43.97, 14.97], [43.75, 15.5]]]]}, "2014-02-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[43.75, 15.5], [43.97, 16.03], [44.5, 16.25], [45.03, 16.03], [45.18, 15.68], [45.43, 15.57], [45.25, 16.0], [45.47, 16.53], [45.82, 16.68], [45.85, 16.75], [45.75, 17.0], [45.97, 17.53], [46.5, 17.75], [47.03, 17.53], [47.2, 17.13], [47.5, 17.25], [47.75, 17.15], [48.0, 17.25], [48.25, 17.15], [48.5, 17.25], [49.03, 17.03], [49.25, 16.5], [49.03, 15.97], [48.5, 15.75], [48.25, 15.85], [48.0, 15.75], [47.75, 15.85], [47.68, 15.82], [47.54, 15.5], [47.75, 15.0], [47.53, 14.47], [47.0, 14.25], [46.75, 14.35], [46.68, 14.32], [46.53, 13.97], [46.0, 13.75], [45.75, 13.85], [45.5, 13.75], [45.25, 13.85], [45.0, 13.75], [44.47, 13.97], [44.25, 14.5], [44.35, 14.75], [44.32, 14.82], [43.97, 14.97], [43.75, 15.5]]]]}, "2014-02-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[43.75, 15.5], [43.97, 16.03], [44.5, 16.25], [45.03, 16.03], [45.18, 15.68], [45.5, 15.54], [46.0, 15.75], [46.25, 15.65], [46.38, 15.7], [46.25, 16.0], [46.47, 16.53], [47.0, 16.75], [47.3, 16.63], [47.47, 17.03], [48.0, 17.25], [48.25, 17.15], [48.5, 17.25], [49.03, 17.03], [49.25, 16.5], [49.03, 15.97], [48.5, 15.75], [48.25, 15.85], [48.0, 15.75], [47.7, 15.88], [47.54, 15.5], [47.75, 15.0], [47.53, 14.47], [47.0, 14.25], [46.75, 14.35], [46.68, 14.32], [46.53, 13.97], [46.0, 13.75], [45.75, 13.85], [45.5, 13.75], [45.25, 13.85], [45.0, 13.75], [44.47, 13.97], [44.25, 14.5], [44.35, 14.75], [44.32, 14.82], [43.97, 14.97], [43.75, 15.5]]]]}, "2014-02-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[44.47, 13.97], [44.25, 14.5], [44.47, 15.03], [45.0, 15.25], [45.25, 15.15], [45.5, 15.25], [46.03, 15.03], [46.25, 14.5], [46.03, 13.97], [45.5, 13.75], [45.25, 13.85], [45.0, 13.75], [44.47, 13.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.655260179280617}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.5948045351531297}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [24.110499032636312, 23.84525528536591, 23.4178711896692, 22.66795305704761, 19.983070030901445]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [24.743186882821988, 25.790857683594993, 25.125939941386775, 24.55623406420932, 20.344248992815324]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.545357660614871, 3.7493131499614076, 3.6955243159000086, 3.4323534959606987, 2.6464165641848467]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.364868126727799, 5.655260179280617, 4.571381959550706, 3.997587574315105, 2.7027002534554185]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.134687315567453, 1.2176312234936624, 1.2157706808300603, 1.193116928770447, 1.0963230634808108]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.2029227383302186, 1.5152296354024717, 1.3683366411317806, 1.3536970027744026, 1.1298738720420647]}}