{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:54:58.482168", "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": "2013-Nov-10_to_2013-Nov-12_43.5_0.5"}, "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": 2013110001859}, "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 10 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 12 2013"}, "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": 67996.76944031089}, "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": ["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": ["Indian Ocean"]}, "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": 0.5}, "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": 43.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "43.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 42.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 46.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -0.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 1.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-11-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[41.97, 1.03], [42.5, 1.25], [42.75, 1.15], [42.82, 1.18], [42.97, 1.53], [43.5, 1.75], [43.75, 1.65], [44.0, 1.75], [44.25, 1.65], [44.32, 1.68], [44.47, 2.03], [45.0, 2.25], [45.25, 2.15], [45.5, 2.25], [45.75, 2.15], [46.0, 2.25], [46.53, 2.03], [46.75, 1.5], [46.65, 1.25], [46.75, 1.0], [46.65, 0.75], [46.75, 0.5], [46.65, 0.25], [46.75, 0.0], [46.53, -0.53], [46.0, -0.75], [45.75, -0.65], [45.5, -0.75], [44.97, -0.53], [44.82, -0.18], [44.75, -0.15], [44.68, -0.18], [44.53, -0.53], [44.0, -0.75], [43.75, -0.65], [43.5, -0.75], [43.0, -0.54], [42.5, -0.75], [41.97, -0.53], [41.75, 0.0], [41.85, 0.25], [41.75, 0.5], [41.97, 1.03]]]]}, "2013-11-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[41.97, 1.03], [42.5, 1.25], [42.75, 1.15], [42.82, 1.18], [42.97, 1.53], [43.5, 1.75], [43.75, 1.65], [44.0, 1.75], [44.25, 1.65], [44.32, 1.68], [44.47, 2.03], [45.0, 2.25], [45.25, 2.15], [45.5, 2.25], [45.75, 2.15], [46.0, 2.25], [46.53, 2.03], [46.75, 1.5], [46.65, 1.25], [46.75, 1.0], [46.65, 0.75], [46.75, 0.5], [46.65, 0.25], [46.75, 0.0], [46.53, -0.53], [46.0, -0.75], [45.75, -0.65], [45.5, -0.75], [44.97, -0.53], [44.82, -0.18], [44.75, -0.15], [44.68, -0.18], [44.53, -0.53], [44.0, -0.75], [43.75, -0.65], [43.5, -0.75], [43.0, -0.54], [42.5, -0.75], [41.97, -0.53], [41.75, 0.0], [41.85, 0.25], [41.75, 0.5], [41.97, 1.03]]]]}, "2013-11-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[41.97, 1.03], [42.5, 1.25], [42.75, 1.15], [42.82, 1.18], [42.97, 1.53], [43.5, 1.75], [43.75, 1.65], [44.0, 1.75], [44.25, 1.65], [44.32, 1.68], [44.47, 2.03], [45.0, 2.25], [45.25, 2.15], [45.5, 2.25], [45.75, 2.15], [46.0, 2.25], [46.53, 2.03], [46.75, 1.5], [46.65, 1.25], [46.75, 1.0], [46.65, 0.75], [46.75, 0.5], [46.65, 0.25], [46.75, 0.0], [46.53, -0.53], [46.0, -0.75], [45.75, -0.65], [45.5, -0.75], [44.97, -0.53], [44.82, -0.18], [44.75, -0.15], [44.68, -0.18], [44.53, -0.53], [44.0, -0.75], [43.75, -0.65], [43.5, -0.75], [43.0, -0.54], [42.5, -0.75], [41.97, -0.53], [41.75, 0.0], [41.85, 0.25], [41.75, 0.5], [41.97, 1.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.1666667917224345}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.7172016526154574}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.56657548080409, 27.53898698769865, 27.480332764720117]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.654205035746656, 28.611373447435255, 28.92766314530644]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.7610830670589285, 0.7270860605998166, 0.6634358301876272]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.0327196996076964, 1.0263809046263077, 1.1666667917224345]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.663228861997984, 1.6108897404898819, 1.4448188283284245]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9537787587790814, 1.8305312859749887, 1.8099164384545108]}}