{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:56:06.720279", "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-Apr-01_to_2014-Apr-05_47.0_10.5"}, "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": 2014040001181}, "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": "April 01 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 05 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": 79008.95087280401}, "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": ["Somalia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["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": ["Gulf of Aden"]}, "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": 10.5}, "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": 47.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "47.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 46.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 51.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 9.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 11.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-04-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[50.0, 11.75], [50.53, 11.53], [50.7, 11.13], [51.0, 11.25], [51.53, 11.03], [51.75, 10.5], [51.53, 9.97], [51.13, 9.8], [51.25, 9.5], [51.03, 8.97], [50.5, 8.75], [49.97, 8.97], [49.82, 9.32], [49.47, 9.47], [49.25, 10.0], [49.46, 10.5], [49.25, 11.0], [49.47, 11.53], [50.0, 11.75]]], [[[46.47, 9.97], [46.25, 10.5], [46.47, 11.03], [47.0, 11.25], [47.53, 11.03], [47.75, 10.5], [47.53, 9.97], [47.0, 9.75], [46.47, 9.97]]]]}, "2014-04-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[47.5, 11.75], [47.75, 11.65], [48.0, 11.75], [48.25, 11.65], [48.5, 11.75], [48.75, 11.65], [48.82, 11.68], [48.97, 12.03], [49.5, 12.25], [49.75, 12.15], [50.0, 12.25], [50.53, 12.03], [50.68, 11.68], [50.75, 11.65], [51.0, 11.75], [51.53, 11.53], [51.75, 11.0], [51.65, 10.75], [51.75, 10.5], [51.53, 9.97], [51.18, 9.82], [51.15, 9.75], [51.25, 9.5], [51.03, 8.97], [50.5, 8.75], [49.97, 8.97], [49.82, 9.32], [49.75, 9.35], [49.68, 9.32], [49.53, 8.97], [49.0, 8.75], [48.47, 8.97], [48.32, 9.32], [47.97, 9.47], [47.82, 9.82], [47.5, 9.96], [47.0, 9.75], [46.47, 9.97], [46.25, 10.5], [46.47, 11.03], [46.82, 11.18], [46.97, 11.53], [47.5, 11.75]]]]}, "2014-04-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[47.5, 11.75], [47.75, 11.65], [48.0, 11.75], [48.25, 11.65], [48.5, 11.75], [48.75, 11.65], [48.82, 11.68], [48.97, 12.03], [49.5, 12.25], [49.75, 12.15], [50.0, 12.25], [50.53, 12.03], [50.68, 11.68], [50.75, 11.65], [51.0, 11.75], [51.53, 11.53], [51.75, 11.0], [51.65, 10.75], [51.75, 10.5], [51.53, 9.97], [51.18, 9.82], [51.15, 9.75], [51.25, 9.5], [51.03, 8.97], [50.5, 8.75], [49.97, 8.97], [49.82, 9.32], [49.75, 9.35], [49.68, 9.32], [49.53, 8.97], [49.0, 8.75], [48.47, 8.97], [48.32, 9.32], [48.25, 9.35], [48.0, 9.25], [47.47, 9.47], [47.3, 9.88], [47.0, 9.75], [46.47, 9.97], [46.25, 10.5], [46.47, 11.03], [46.82, 11.18], [46.97, 11.53], [47.5, 11.75]]]]}, "2014-04-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[46.75, 11.0], [46.97, 11.53], [47.5, 11.75], [47.75, 11.65], [48.0, 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"Maximum t2m anomaly recorded over entire duration", "value": 3.316791375025616}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.6248774228336724}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.731285753352495, 26.794953933137663, 27.162309397448837, 26.921259009396636, 25.945985107711408]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.57033287438236, 28.486745111128073, 29.33043111981857, 28.640690014251163, 26.053736246022368]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.2047498954634535, 1.574773161973992, 1.8855488646662393, 1.5178046614281702, 1.3400550709764805]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.3676421877235043, 2.73955033953672, 3.316791375025616, 2.03039592518752, 1.4105721846168535]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4010423311478128, 1.7057909037059644, 2.0610613724764426, 1.6413799503545856, 1.3283120571245766]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5127113070420835, 2.9562279054194938, 3.480592840687315, 2.081532059568207, 1.475568131157235]}}