{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:51:54.138861", "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": "2012-Nov-16_to_2012-Nov-21_23.5_9.0"}, "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": 2012110002069}, "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 16 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 21 2012"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 61299.04540462566}, "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", "South Sudan", "Sudan"]}, "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": 9.0}, "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": 23.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "23.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 22.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 26.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 5.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 9.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-11-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[23.5, 9.75], [24.03, 9.53], [24.25, 9.0], [24.03, 8.47], [23.5, 8.25], [22.97, 8.47], [22.75, 9.0], [22.97, 9.53], [23.5, 9.75]]]]}, "2012-11-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.75, 9.0], [22.97, 9.53], [23.5, 9.75], [24.03, 9.53], [24.25, 9.0], [24.13, 8.7], [24.53, 8.53], [24.75, 8.0], [24.53, 7.47], [24.0, 7.25], [23.47, 7.47], [23.25, 8.0], [23.38, 8.3], [22.97, 8.47], [22.75, 9.0]]]]}, "2012-11-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[23.5, 9.75], [24.03, 9.53], [24.2, 9.13], [24.5, 9.25], [25.03, 9.03], [25.18, 8.68], [25.25, 8.65], [25.5, 8.75], [26.03, 8.53], [26.18, 8.18], [26.25, 8.15], [26.5, 8.25], [27.03, 8.03], [27.25, 7.5], [27.15, 7.25], [27.25, 7.0], [27.15, 6.75], [27.25, 6.5], [27.15, 6.25], [27.25, 6.0], [27.03, 5.47], [26.68, 5.32], [26.53, 4.97], [26.0, 4.75], [25.47, 4.97], [25.25, 5.5], [25.38, 5.8], [24.97, 5.97], [24.82, 6.32], [24.47, 6.47], [24.25, 7.0], [24.35, 7.25], [24.32, 7.32], [24.25, 7.35], [24.0, 7.25], [23.47, 7.47], [23.32, 7.82], [23.25, 7.85], [23.0, 7.75], [22.47, 7.97], [22.25, 8.5], [22.47, 9.03], [22.82, 9.18], [22.97, 9.53], [23.5, 9.75]]]]}, "2012-11-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[23.5, 9.75], [24.03, 9.53], [24.2, 9.13], [24.5, 9.25], [25.03, 9.03], [25.18, 8.68], [25.25, 8.65], [25.5, 8.75], [26.03, 8.53], [26.18, 8.18], [26.25, 8.15], [26.5, 8.25], [27.03, 8.03], [27.25, 7.5], [27.15, 7.25], [27.25, 7.0], [27.15, 6.75], [27.25, 6.5], [27.15, 6.25], [27.25, 6.0], [27.03, 5.47], [26.68, 5.32], [26.53, 4.97], [26.0, 4.75], [25.47, 4.97], [25.25, 5.5], [25.38, 5.8], [24.97, 5.97], [24.82, 6.32], [24.47, 6.47], [24.25, 7.0], [24.35, 7.25], [24.32, 7.32], [24.25, 7.35], [24.0, 7.25], [23.47, 7.47], [23.32, 7.82], [23.25, 7.85], [23.0, 7.75], [22.47, 7.97], [22.25, 8.5], [22.47, 9.03], [22.82, 9.18], [22.97, 9.53], [23.5, 9.75]]]]}, "2012-11-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[23.5, 9.75], [24.03, 9.53], [24.2, 9.13], [24.5, 9.25], [25.03, 9.03], [25.18, 8.68], [25.25, 8.65], [25.5, 8.75], [26.03, 8.53], [26.18, 8.18], [26.25, 8.15], [26.5, 8.25], [27.03, 8.03], [27.25, 7.5], [27.15, 7.25], [27.25, 7.0], [27.15, 6.75], [27.25, 6.5], [27.15, 6.25], [27.25, 6.0], [27.03, 5.47], [26.68, 5.32], [26.53, 4.97], [26.0, 4.75], [25.47, 4.97], [25.25, 5.5], [25.38, 5.8], [24.97, 5.97], [24.82, 6.32], [24.47, 6.47], [24.25, 7.0], [24.35, 7.25], [24.32, 7.32], [24.25, 7.35], [24.0, 7.25], [23.47, 7.47], [23.32, 7.82], [23.25, 7.85], [23.0, 7.75], [22.47, 7.97], [22.25, 8.5], [22.47, 9.03], [22.82, 9.18], [22.97, 9.53], [23.5, 9.75]]]]}, "2012-11-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[23.5, 9.75], [24.03, 9.53], [24.25, 9.0], [24.03, 8.47], [23.5, 8.25], [22.97, 8.47], [22.75, 9.0], [22.97, 9.53], [23.5, 9.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.9846250730267343}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.7365277156052334}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.95151611172588, 26.18359707069726, 27.298467948745383, 27.248237311568346, 27.134377920801114, 26.44827956630212]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.95151611172588, 26.300818289940366, 28.706378755570483, 28.698441560534945, 28.453044480966923, 26.44827956630212]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.441717909856493, 1.5127700401382924, 1.8228041576626737, 1.7491912956382918, 1.6537338779695319, 2.1559291831919154]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.441717909856493, 1.7913321175718124, 2.9846250730267343, 2.400165909186626, 2.025968144265505, 2.1559291831919154]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.224353888045036, 1.364192764341655, 1.6910319228387898, 1.5782417816057994, 1.418764640434356, 1.3968070512006259]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.224353888045036, 1.4350974327109038, 2.261843569332621, 1.8376330164334356, 1.6236070199577026, 1.3968070512006259]}}