{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:54:47.135420", "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-Oct-14_to_2013-Oct-21_25.5_5.0"}, "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": 2013100002174}, "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": "October 14 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 21 2013"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 8}, "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": 126120.00987367492}, "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": ["Central African Republic", "Congo DRC"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Central-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": []}, "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": 5.0}, "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": 25.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "25.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 21.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 25.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 3.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 7.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-10-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[21.97, 7.53], [22.5, 7.75], [23.03, 7.53], [23.18, 7.18], [23.25, 7.15], [23.32, 7.18], [23.35, 7.25], [23.25, 7.5], [23.47, 8.03], [24.0, 8.25], [24.53, 8.03], [24.68, 7.68], [24.75, 7.65], [25.0, 7.75], [25.25, 7.65], [25.5, 7.75], [26.03, 7.53], [26.25, 7.0], [26.15, 6.75], [26.25, 6.5], [26.03, 5.97], [25.68, 5.82], [25.63, 5.7], [26.03, 5.53], [26.25, 5.0], [26.03, 4.47], [25.5, 4.25], [25.0, 4.46], [24.5, 4.25], [24.25, 4.35], [24.0, 4.25], [23.75, 4.35], [23.68, 4.32], [23.53, 3.97], [23.0, 3.75], [22.47, 3.97], [22.25, 4.5], [22.38, 4.8], [22.25, 4.85], [22.0, 4.75], [21.47, 4.97], [21.25, 5.5], [21.47, 6.03], [21.88, 6.2], [21.75, 6.5], [21.85, 6.75], [21.75, 7.0], [21.97, 7.53]]]]}, "2013-10-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[21.97, 7.53], [22.5, 7.75], [23.03, 7.53], [23.18, 7.18], [23.25, 7.15], [23.32, 7.18], [23.35, 7.25], [23.25, 7.5], [23.47, 8.03], [24.0, 8.25], [24.53, 8.03], [24.68, 7.68], [24.75, 7.65], [25.0, 7.75], [25.25, 7.65], [25.5, 7.75], [26.03, 7.53], [26.25, 7.0], [26.15, 6.75], [26.25, 6.5], [26.04, 6.0], [26.25, 5.5], [26.15, 5.25], [26.25, 5.0], [26.03, 4.47], [25.5, 4.25], [25.0, 4.46], [24.5, 4.25], [24.25, 4.35], [24.0, 4.25], [23.75, 4.35], [23.68, 4.32], [23.53, 3.97], [23.0, 3.75], [22.47, 3.97], [22.25, 4.5], [22.38, 4.8], [22.25, 4.85], [22.0, 4.75], [21.47, 4.97], [21.25, 5.5], [21.47, 6.03], [21.88, 6.2], [21.75, 6.5], [21.85, 6.75], [21.75, 7.0], [21.97, 7.53]]]]}, "2013-10-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[21.97, 7.53], [22.5, 7.75], [23.03, 7.53], [23.18, 7.18], [23.25, 7.15], [23.32, 7.18], [23.35, 7.25], [23.25, 7.5], [23.47, 8.03], [24.0, 8.25], [24.53, 8.03], [24.68, 7.68], [24.75, 7.65], [25.0, 7.75], [25.25, 7.65], [25.5, 7.75], [26.03, 7.53], [26.25, 7.0], [26.15, 6.75], [26.25, 6.5], [26.04, 6.0], [26.25, 5.5], [26.15, 5.25], [26.25, 5.0], [26.03, 4.47], [25.5, 4.25], [25.0, 4.46], [24.5, 4.25], [24.25, 4.35], [24.0, 4.25], [23.75, 4.35], [23.68, 4.32], [23.53, 3.97], [23.0, 3.75], [22.47, 3.97], [22.25, 4.5], [22.38, 4.8], [22.25, 4.85], [22.0, 4.75], [21.47, 4.97], [21.25, 5.5], [21.47, 6.03], [21.88, 6.2], [21.75, 6.5], [21.85, 6.75], [21.75, 7.0], [21.97, 7.53]]]]}, "2013-10-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[23.96, 5.0], [23.75, 5.5], [23.97, 6.03], [24.5, 6.25], [24.75, 6.15], [25.0, 6.25], [25.25, 6.15], [25.5, 6.25], [26.03, 6.03], [26.25, 5.5], [26.15, 5.25], [26.25, 5.0], [26.15, 4.75], [26.25, 4.5], [26.15, 4.25], [26.25, 4.0], [26.03, 3.47], [25.68, 3.32], [25.53, 2.97], [25.0, 2.75], [24.47, 2.97], [24.32, 3.32], [23.97, 3.47], [23.75, 4.0], [23.85, 4.25], [23.75, 4.5], [23.96, 5.0]]]]}, "2013-10-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.75, 4.5], [22.97, 5.03], [23.32, 5.18], [23.35, 5.25], [23.25, 5.5], [23.47, 6.03], [24.0, 6.25], [24.53, 6.03], [24.68, 5.68], [24.75, 5.65], [25.0, 5.75], [25.25, 5.65], [25.5, 5.75], [26.03, 5.53], [26.25, 5.0], [26.15, 4.75], [26.25, 4.5], [26.15, 4.25], [26.25, 4.0], [26.03, 3.47], [25.68, 3.32], [25.53, 2.97], [25.0, 2.75], [24.47, 2.97], [24.32, 3.32], [24.25, 3.35], [24.0, 3.25], [23.47, 3.47], [23.32, 3.82], [22.97, 3.97], [22.75, 4.5]]]]}, "2013-10-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.75, 4.5], [22.97, 5.03], [23.32, 5.18], [23.35, 5.25], [23.25, 5.5], [23.47, 6.03], [24.0, 6.25], [24.53, 6.03], [24.68, 5.68], [24.75, 5.65], [25.0, 5.75], [25.25, 5.65], [25.5, 5.75], [26.03, 5.53], [26.25, 5.0], [26.15, 4.75], [26.25, 4.5], [26.15, 4.25], [26.25, 4.0], [26.03, 3.47], [25.68, 3.32], [25.53, 2.97], [25.0, 2.75], [24.47, 2.97], [24.32, 3.32], [24.25, 3.35], [24.0, 3.25], [23.47, 3.47], [23.32, 3.82], [22.97, 3.97], [22.75, 4.5]]]]}, "2013-10-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.75, 4.5], [22.97, 5.03], [23.32, 5.18], [23.35, 5.25], [23.25, 5.5], [23.47, 6.03], [24.0, 6.25], [24.53, 6.03], [24.68, 5.68], [24.75, 5.65], [25.0, 5.75], [25.25, 5.65], [25.5, 5.75], [26.03, 5.53], [26.25, 5.0], [26.15, 4.75], [26.25, 4.5], [26.03, 3.97], [25.5, 3.75], [25.25, 3.85], [25.18, 3.82], [25.03, 3.47], [24.5, 3.25], [24.25, 3.35], [24.0, 3.25], [23.47, 3.47], [23.32, 3.82], [22.97, 3.97], [22.75, 4.5]]]]}, "2013-10-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[25.5, 5.75], [26.03, 5.53], [26.25, 5.0], [26.03, 4.47], [25.5, 4.25], [24.97, 4.47], [24.75, 5.0], [24.97, 5.53], [25.5, 5.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.7588786949811492}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.6393046967615705}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.58395985479757, 26.5160422905318, 25.84223944293234, 25.394063979694636, 25.297040928057015, 25.583081579485906, 25.44025356197841, 25.637773083854427]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.03834395627382, 27.168119059103844, 26.308715050104524, 26.020964992392123, 26.044967905622116, 26.680368466229083, 26.095110489936417, 25.637773083854427]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.3218338383982993, 2.216701127636499, 1.5365727473844137, 1.4173081807603296, 1.435992863707702, 1.7711507731814018, 1.5319145121548605, 1.3131810428059794]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.583265694241959, 2.7588786949811492, 1.8625214835277006, 1.7261079426223773, 1.6644227106680773, 2.3877411236007333, 1.8237957683152217, 1.3131810428059794]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4416824497899117, 2.3618605083257895, 1.6495516170901467, 1.6401044782949306, 1.6042810602760444, 1.9691596037892465, 1.7172627411350072, 1.4715419541215728]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7880925384289976, 2.964045031368716, 1.9642133936528685, 2.020655070607455, 1.9432487050839196, 2.5776945280519628, 1.9923282492716685, 1.4715419541215728]}}