{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:48:40.093079", "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": "2011-Oct-04_to_2011-Oct-06_42.5_2.0"}, "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": 2011100001766}, "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 04 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 06 2011"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 52468.783481836246}, "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": ["Ethiopia", "Kenya", "Somalia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Eastern-Africa", "S.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": 2.0}, "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": 42.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "42.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 40.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 43.75}, "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": 4.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-10-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[40.47, 4.53], [41.0, 4.75], [41.25, 4.65], [41.5, 4.75], [41.75, 4.65], [42.0, 4.75], [42.25, 4.65], [42.5, 4.75], [43.03, 4.53], [43.25, 4.0], [43.15, 3.75], [43.18, 3.68], [43.25, 3.65], [43.5, 3.75], [44.03, 3.53], [44.25, 3.0], [44.15, 2.75], [44.25, 2.5], [44.03, 1.97], [43.68, 1.82], [43.65, 1.75], [43.75, 1.5], [43.53, 0.97], [43.0, 0.75], [42.47, 0.97], [42.32, 1.32], [41.97, 1.47], [41.75, 2.0], [41.85, 2.25], [41.75, 2.5], [41.85, 2.75], [41.82, 2.82], [41.75, 2.85], [41.5, 2.75], [41.25, 2.85], [41.0, 2.75], [40.47, 2.97], [40.25, 3.5], [40.35, 3.75], [40.25, 4.0], [40.47, 4.53]]]]}, "2011-10-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[40.47, 4.53], [41.0, 4.75], [41.25, 4.65], [41.5, 4.75], [41.75, 4.65], [42.0, 4.75], [42.25, 4.65], [42.5, 4.75], [43.03, 4.53], [43.25, 4.0], [43.15, 3.75], [43.18, 3.68], [43.25, 3.65], [43.5, 3.75], [44.03, 3.53], [44.25, 3.0], [44.15, 2.75], [44.25, 2.5], [44.03, 1.97], [43.68, 1.82], [43.65, 1.75], [43.75, 1.5], [43.53, 0.97], [43.0, 0.75], [42.47, 0.97], [42.32, 1.32], [41.97, 1.47], [41.75, 2.0], [41.85, 2.25], [41.75, 2.5], [41.85, 2.75], [41.82, 2.82], [41.75, 2.85], [41.5, 2.75], [41.25, 2.85], [41.0, 2.75], [40.47, 2.97], [40.25, 3.5], [40.35, 3.75], [40.25, 4.0], [40.47, 4.53]]]]}, "2011-10-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[40.47, 4.53], [41.0, 4.75], [41.25, 4.65], [41.5, 4.75], [41.75, 4.65], [42.0, 4.75], [42.25, 4.65], [42.5, 4.75], [43.03, 4.53], [43.25, 4.0], [43.15, 3.75], [43.18, 3.68], [43.25, 3.65], [43.5, 3.75], [44.03, 3.53], [44.25, 3.0], [44.15, 2.75], [44.25, 2.5], [44.03, 1.97], [43.68, 1.82], [43.65, 1.75], [43.75, 1.5], [43.53, 0.97], [43.0, 0.75], [42.47, 0.97], [42.32, 1.32], [41.97, 1.47], [41.75, 2.0], [41.85, 2.25], [41.75, 2.5], [41.85, 2.75], [41.82, 2.82], [41.75, 2.85], [41.5, 2.75], [41.25, 2.85], [41.0, 2.75], [40.47, 2.97], [40.25, 3.5], [40.35, 3.75], [40.25, 4.0], [40.47, 4.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.7830610975075274}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.2404565443759286}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [29.28612137568939, 29.465433840343223, 29.345099800042703]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [31.30161445614806, 31.37907737209906, 31.45339792447851]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.1203204300441398, 1.3290789474337263, 1.2719702556499195]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.374885250872694, 1.7830610975075274, 1.6192088928324324]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.356137052637676, 1.530843242957575, 1.380370694189426]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6073521029851061, 1.8180365126421698, 1.637993773658534]}}