{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:04:40.743054", "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": "2016-Jan-21_to_2016-Jan-24_41.0_17.0"}, "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": 2016010002008}, "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 21 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 24 2016"}, "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": 77076.3504747485}, "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": ["Eritrea"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Arabian-Peninsula", "Sahara"]}, "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": ["Red 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": 17.0}, "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": 41.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "41.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 39.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 42.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 14.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 17.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-01-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[39.47, 16.03], [40.0, 16.25], [40.43, 16.07], [40.32, 16.32], [39.97, 16.47], [39.75, 17.0], [39.85, 17.25], [39.75, 17.5], [39.97, 18.03], [40.5, 18.25], [41.03, 18.03], [41.18, 17.68], [41.25, 17.65], [41.5, 17.75], [41.75, 17.65], [42.0, 17.75], [42.25, 17.65], [42.5, 17.75], [43.03, 17.53], [43.25, 17.0], [43.15, 16.75], [43.25, 16.5], [43.15, 16.25], [43.25, 16.0], [43.03, 15.47], [42.5, 15.25], [42.25, 15.35], [42.0, 15.25], [41.47, 15.47], [41.32, 15.82], [41.25, 15.85], [41.0, 15.75], [40.57, 15.93], [40.75, 15.5], [40.65, 15.25], [40.75, 15.0], [40.53, 14.47], [40.0, 14.25], [39.47, 14.47], [39.25, 15.0], [39.35, 15.25], [39.25, 15.5], [39.47, 16.03]]]]}, "2016-01-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[38.97, 17.03], [39.32, 17.18], [39.35, 17.25], [39.25, 17.5], [39.47, 18.03], [40.0, 18.25], [40.25, 18.15], [40.5, 18.25], [40.75, 18.15], [41.0, 18.25], [41.53, 18.03], [41.68, 17.68], [41.75, 17.65], [42.0, 17.75], [42.25, 17.65], [42.5, 17.75], [43.03, 17.53], [43.25, 17.0], [43.15, 16.75], [43.25, 16.5], [43.15, 16.25], [43.25, 16.0], [43.03, 15.47], [42.5, 15.25], [42.25, 15.35], [42.0, 15.25], [41.7, 15.38], [41.53, 14.97], [41.0, 14.75], [40.75, 14.85], [40.68, 14.82], [40.53, 14.47], [40.0, 14.25], [39.47, 14.47], [39.25, 15.0], [39.35, 15.25], [39.32, 15.32], [38.97, 15.47], [38.75, 16.0], [38.85, 16.25], [38.75, 16.5], [38.97, 17.03]]]]}, "2016-01-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[38.97, 17.03], [39.32, 17.18], [39.35, 17.25], [39.25, 17.5], [39.47, 18.03], [40.0, 18.25], [40.25, 18.15], [40.5, 18.25], [40.75, 18.15], [41.0, 18.25], [41.53, 18.03], [41.68, 17.68], [41.75, 17.65], [42.0, 17.75], [42.25, 17.65], [42.5, 17.75], [43.03, 17.53], [43.25, 17.0], [43.15, 16.75], [43.25, 16.5], [43.15, 16.25], [43.25, 16.0], [43.03, 15.47], [42.5, 15.25], [42.25, 15.35], [42.0, 15.25], [41.7, 15.38], [41.53, 14.97], [41.0, 14.75], [40.75, 14.85], [40.68, 14.82], [40.53, 14.47], [40.0, 14.25], [39.47, 14.47], [39.25, 15.0], [39.35, 15.25], [39.32, 15.32], [38.97, 15.47], [38.75, 16.0], [38.85, 16.25], [38.75, 16.5], [38.97, 17.03]]]]}, "2016-01-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[38.97, 17.03], [39.32, 17.18], [39.35, 17.25], [39.25, 17.5], [39.47, 18.03], [40.0, 18.25], [40.25, 18.15], [40.5, 18.25], [40.75, 18.15], [41.0, 18.25], [41.53, 18.03], [41.75, 17.5], [41.65, 17.25], [41.75, 17.0], [41.65, 16.75], [41.75, 16.5], [41.65, 16.25], [41.75, 16.0], [41.65, 15.75], [41.75, 15.5], [41.53, 14.97], [41.0, 14.75], [40.75, 14.85], [40.5, 14.75], [39.97, 14.97], [39.82, 15.32], [39.75, 15.35], [39.5, 15.25], [38.97, 15.47], [38.75, 16.0], [38.85, 16.25], [38.75, 16.5], [38.97, 17.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.551768066925149}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.1281483037929678}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.222580611145986, 26.548087519288742, 26.67675106798123, 26.303380254339288]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.01829227196839, 28.22963078344452, 28.66979555528718, 26.705433776809457]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.8520901706580284, 1.1932865840750537, 1.316173585630985, 0.9583083818408724]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.9210258259685133, 3.156984294175345, 3.551768066925149, 1.2551708270302697]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3825733931836335, 1.8121595028969464, 1.9000562482862013, 1.3431339978312897]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5872661795458107, 2.143426337636166, 2.2411911253580756, 1.5779260444750256]}}