{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:09:10.649792", "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-Oct-02_to_2017-Oct-06_28.5_4.0"}, "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": 2017100001224}, "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 02 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 06 2017"}, "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": 52270.71237031553}, "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", "South Sudan"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Central-Africa", "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": []}, "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": 4.0}, "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": 28.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "28.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 25.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 28.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 3.75}, "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": {"2017-10-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[25.5, 8.25], [26.03, 8.03], [26.25, 7.5], [26.03, 6.97], [25.5, 6.75], [24.97, 6.97], [24.75, 7.5], [24.97, 8.03], [25.5, 8.25]]]]}, "2017-10-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[27.47, 5.03], [28.0, 5.25], [28.25, 5.15], [28.5, 5.25], [29.03, 5.03], [29.25, 4.5], [29.15, 4.25], [29.25, 4.0], [29.03, 3.47], [28.5, 3.25], [27.97, 3.47], [27.82, 3.82], [27.47, 3.97], [27.25, 4.5], [27.47, 5.03]]], [[[24.75, 7.5], [24.97, 8.03], [25.5, 8.25], [26.0, 8.04], [26.5, 8.25], [27.03, 8.03], [27.25, 7.5], [27.03, 6.97], [26.5, 6.75], [26.0, 6.96], [25.5, 6.75], [24.97, 6.97], [24.75, 7.5]]]]}, "2017-10-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[24.75, 7.5], [24.97, 8.03], [25.5, 8.25], [26.0, 8.04], [26.5, 8.25], [27.03, 8.03], [27.25, 7.5], [27.15, 7.25], [27.25, 7.0], [27.15, 6.75], [27.18, 6.68], [27.53, 6.53], [27.75, 6.0], [27.65, 5.75], [27.68, 5.68], [28.03, 5.53], [28.18, 5.18], [28.25, 5.15], [28.5, 5.25], [29.03, 5.03], [29.25, 4.5], [29.15, 4.25], [29.25, 4.0], [29.03, 3.47], [28.5, 3.25], [27.97, 3.47], [27.82, 3.82], [27.75, 3.85], [27.5, 3.75], [26.97, 3.97], [26.82, 4.32], [26.47, 4.47], [26.32, 4.82], [25.97, 4.97], [25.82, 5.32], [25.47, 5.47], [25.25, 6.0], [25.35, 6.25], [25.25, 6.5], [25.35, 6.75], [25.32, 6.82], [24.97, 6.97], [24.75, 7.5]]]]}, "2017-10-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[25.35, 6.75], [25.25, 7.0], [25.47, 7.53], [25.82, 7.68], [25.97, 8.03], [26.5, 8.25], [27.03, 8.03], [27.25, 7.5], [27.15, 7.25], [27.25, 7.0], [27.15, 6.75], [27.18, 6.68], [27.53, 6.53], [27.75, 6.0], [27.65, 5.75], [27.68, 5.68], [28.03, 5.53], [28.18, 5.18], [28.25, 5.15], [28.5, 5.25], [29.03, 5.03], [29.25, 4.5], [29.15, 4.25], [29.25, 4.0], [29.03, 3.47], [28.5, 3.25], [27.97, 3.47], [27.82, 3.82], [27.75, 3.85], [27.5, 3.75], [26.97, 3.97], [26.82, 4.32], [26.47, 4.47], [26.32, 4.82], [25.97, 4.97], [25.82, 5.32], [25.47, 5.47], [25.25, 6.0], [25.35, 6.25], [25.25, 6.5], [25.35, 6.75]]]]}, "2017-10-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[25.35, 6.75], [25.25, 7.0], [25.47, 7.53], [26.0, 7.75], [26.25, 7.65], [26.5, 7.75], [27.03, 7.53], [27.25, 7.0], [27.15, 6.75], [27.18, 6.68], [27.53, 6.53], [27.75, 6.0], [27.65, 5.75], [27.68, 5.68], [28.03, 5.53], [28.25, 5.0], [28.15, 4.75], [28.2, 4.63], [28.5, 4.75], [29.03, 4.53], [29.25, 4.0], [29.03, 3.47], [28.5, 3.25], [27.97, 3.47], [27.8, 3.88], [27.5, 3.75], [26.97, 3.97], [26.82, 4.32], [26.47, 4.47], [26.32, 4.82], [25.97, 4.97], [25.82, 5.32], [25.47, 5.47], [25.25, 6.0], [25.35, 6.25], [25.25, 6.5], [25.35, 6.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.9208230242479658}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.3162104524582776}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.635882840587726, 25.37921192112981, 25.735490649942335, 25.744458688423833, 25.655450647209534]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.635882840587726, 26.530104425694105, 27.27692607192006, 27.202590148764614, 26.338046403701355]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.260875740077779, 1.1711672684598056, 1.3847973744483264, 1.3419199401871325, 1.2549197720644587]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.260875740077779, 1.2630217360868414, 1.9208230242479658, 1.745978142966976, 1.4260779462848632]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.563854712508799, 1.3613380136855096, 1.679429667594519, 1.627780209141763, 1.4682772340831012]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.563854712508799, 1.4470198060140602, 2.2924354111360175, 1.9556035170237476, 1.67649300061249]}}