{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:01:56.601485", "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-Dec-05_to_2014-Dec-09_23.5_4.5"}, "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": 2014120001725}, "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": "December 05 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 09 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": 89433.9704877269}, "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": 4.5}, "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": 21.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 25.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 1.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 5.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-12-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[21.75, 5.0], [21.97, 5.53], [22.5, 5.75], [22.75, 5.65], [23.0, 5.75], [23.25, 5.65], [23.5, 5.75], [23.75, 5.65], [24.0, 5.75], [24.25, 5.65], [24.5, 5.75], [24.75, 5.65], [25.0, 5.75], [25.53, 5.53], [25.75, 5.0], [25.65, 4.75], [25.75, 4.5], [25.53, 3.97], [25.18, 3.82], [25.15, 3.75], [25.25, 3.5], [25.15, 3.25], [25.25, 3.0], [25.15, 2.75], [25.25, 2.5], [25.15, 2.25], [25.25, 2.0], [25.03, 1.47], [24.5, 1.25], [23.97, 1.47], [23.82, 1.82], [23.75, 1.85], [23.5, 1.75], [22.97, 1.97], [22.75, 2.5], [22.85, 2.75], [22.75, 3.0], [22.88, 3.3], [22.75, 3.35], [22.5, 3.25], [22.25, 3.35], [22.0, 3.25], [21.47, 3.47], [21.25, 4.0], [21.47, 4.53], [21.82, 4.68], [21.85, 4.75], [21.75, 5.0]]]]}, "2014-12-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[21.75, 5.0], [21.97, 5.53], [22.5, 5.75], [22.75, 5.65], [23.0, 5.75], [23.25, 5.65], [23.5, 5.75], [23.75, 5.65], [24.0, 5.75], [24.25, 5.65], [24.5, 5.75], [24.75, 5.65], [25.0, 5.75], [25.53, 5.53], [25.75, 5.0], [25.65, 4.75], [25.75, 4.5], [25.53, 3.97], [25.18, 3.82], [25.15, 3.75], [25.25, 3.5], [25.15, 3.25], [25.25, 3.0], [25.15, 2.75], [25.25, 2.5], [25.15, 2.25], [25.25, 2.0], [25.03, 1.47], [24.68, 1.32], [24.53, 0.97], [24.0, 0.75], [23.47, 0.97], [23.25, 1.5], [23.35, 1.75], [23.32, 1.82], [22.97, 1.97], [22.75, 2.5], [22.85, 2.75], [22.82, 2.82], [22.47, 2.97], [22.32, 3.32], [22.25, 3.35], [22.0, 3.25], [21.47, 3.47], [21.25, 4.0], [21.47, 4.53], [21.82, 4.68], [21.85, 4.75], [21.75, 5.0]]]]}, "2014-12-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[21.75, 5.0], [21.97, 5.53], [22.5, 5.75], [22.75, 5.65], [23.0, 5.75], [23.25, 5.65], [23.5, 5.75], [23.75, 5.65], [24.0, 5.75], [24.25, 5.65], [24.5, 5.75], [24.75, 5.65], [25.0, 5.75], [25.53, 5.53], [25.75, 5.0], [25.65, 4.75], [25.75, 4.5], [25.53, 3.97], [25.18, 3.82], [25.15, 3.75], [25.25, 3.5], [25.15, 3.25], [25.25, 3.0], [25.15, 2.75], [25.25, 2.5], [25.15, 2.25], [25.25, 2.0], [25.03, 1.47], [24.68, 1.32], [24.53, 0.97], [24.0, 0.75], [23.47, 0.97], [23.25, 1.5], [23.35, 1.75], [23.32, 1.82], [22.97, 1.97], [22.75, 2.5], [22.85, 2.75], [22.82, 2.82], [22.47, 2.97], [22.32, 3.32], [22.25, 3.35], [22.0, 3.25], [21.47, 3.47], [21.25, 4.0], [21.47, 4.53], [21.82, 4.68], [21.85, 4.75], [21.75, 5.0]]]]}, "2014-12-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.35, 4.25], [22.25, 4.5], [22.35, 4.75], [22.25, 5.0], [22.47, 5.53], [23.0, 5.75], [23.25, 5.65], [23.5, 5.75], [23.75, 5.65], [24.0, 5.75], [24.25, 5.65], [24.5, 5.75], [24.75, 5.65], [25.0, 5.75], [25.53, 5.53], [25.75, 5.0], [25.65, 4.75], [25.75, 4.5], [25.53, 3.97], [25.18, 3.82], [25.15, 3.75], [25.25, 3.5], [25.15, 3.25], [25.25, 3.0], [25.15, 2.75], [25.25, 2.5], [25.15, 2.25], [25.25, 2.0], [25.03, 1.47], [24.68, 1.32], [24.53, 0.97], [24.0, 0.75], [23.47, 0.97], [23.25, 1.5], [23.35, 1.75], [23.25, 2.0], [23.35, 2.25], [23.32, 2.32], [22.97, 2.47], [22.82, 2.82], [22.47, 2.97], [22.25, 3.5], [22.35, 3.75], [22.25, 4.0], [22.35, 4.25]]]]}, "2014-12-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.47, 5.53], [23.0, 5.75], [23.25, 5.65], [23.5, 5.75], [23.75, 5.65], [24.0, 5.75], [24.25, 5.65], [24.5, 5.75], [24.75, 5.65], [25.0, 5.75], [25.53, 5.53], [25.75, 5.0], [25.53, 4.47], [25.18, 4.32], [25.03, 3.97], [24.5, 3.75], [24.25, 3.85], [24.0, 3.75], [23.75, 3.85], [23.5, 3.75], [23.25, 3.85], [23.0, 3.75], [22.47, 3.97], [22.25, 4.5], [22.35, 4.75], [22.25, 5.0], [22.47, 5.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.493484435161008}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.7522327870034815}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.694131016826987, 26.499087446456826, 26.393979037914733, 26.462478330596582, 27.010460611690462]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.973507210112984, 27.86988609915511, 27.22278015115529, 27.558168023614883, 27.873962564180147]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.8713336478671112, 1.691099027265011, 1.6302566429803846, 1.7628274226970362, 1.983165501542304]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.4905555491276914, 2.3576764548271285, 2.188378243796535, 2.400108723056235, 2.493484435161008]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.8085404979361557, 1.670758778568212, 1.591444744731469, 1.7010215486011024, 1.762268607804737]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.182336005407385, 2.129058599433724, 1.954508815245022, 2.0331973225376108, 2.1161854765022925]}}