{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:55:39.596161", "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-Jan-26_to_2014-Jan-28_353.0_29.5"}, "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": 2014010002610}, "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": "January 26 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 28 2014"}, "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": 53442.489035767285}, "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": ["Algeria", "Morocco"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Mediterranean", "Sahara"]}, "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": 29.5}, "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": 353.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "353.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 351.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 356.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 29.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 31.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-01-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-8.18, 30.68], [-8.03, 31.03], [-7.5, 31.25], [-7.25, 31.15], [-7.0, 31.25], [-6.75, 31.15], [-6.5, 31.25], [-6.25, 31.15], [-6.0, 31.25], [-5.75, 31.15], [-5.68, 31.18], [-5.53, 31.53], [-5.0, 31.75], [-4.47, 31.53], [-4.32, 31.18], [-4.25, 31.15], [-4.18, 31.18], [-4.03, 31.53], [-3.5, 31.75], [-2.97, 31.53], [-2.75, 31.0], [-2.85, 30.75], [-2.75, 30.5], [-2.97, 29.97], [-3.5, 29.75], [-3.75, 29.85], [-3.82, 29.82], [-3.97, 29.47], [-4.5, 29.25], [-5.0, 29.46], [-5.5, 29.25], [-5.8, 29.38], [-5.97, 28.97], [-6.5, 28.75], [-6.75, 28.85], [-7.0, 28.75], [-7.25, 28.85], [-7.5, 28.75], [-7.75, 28.85], [-8.0, 28.75], [-8.25, 28.85], [-8.5, 28.75], [-9.03, 28.97], [-9.25, 29.5], [-9.03, 30.03], [-8.68, 30.18], [-8.53, 30.53], [-8.18, 30.68]]]]}, "2014-01-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-8.18, 30.68], [-8.03, 31.03], [-7.5, 31.25], [-7.25, 31.15], [-7.0, 31.25], [-6.75, 31.15], [-6.5, 31.25], [-6.25, 31.15], [-6.0, 31.25], [-5.75, 31.15], [-5.68, 31.18], [-5.53, 31.53], [-5.0, 31.75], [-4.47, 31.53], [-4.32, 31.18], [-4.25, 31.15], [-4.18, 31.18], [-4.03, 31.53], [-3.5, 31.75], [-2.97, 31.53], [-2.75, 31.0], [-2.85, 30.75], [-2.75, 30.5], [-2.97, 29.97], [-3.5, 29.75], [-3.75, 29.85], [-3.82, 29.82], [-3.97, 29.47], [-4.5, 29.25], [-5.0, 29.46], [-5.5, 29.25], [-5.8, 29.38], [-5.97, 28.97], [-6.5, 28.75], [-6.75, 28.85], [-7.0, 28.75], [-7.25, 28.85], [-7.5, 28.75], [-7.75, 28.85], [-8.0, 28.75], [-8.25, 28.85], [-8.5, 28.75], [-9.03, 28.97], [-9.25, 29.5], [-9.03, 30.03], [-8.68, 30.18], [-8.53, 30.53], [-8.18, 30.68]]]]}, "2014-01-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-8.18, 30.68], [-8.03, 31.03], [-7.5, 31.25], [-7.25, 31.15], [-7.0, 31.25], [-6.75, 31.15], [-6.5, 31.25], [-6.25, 31.15], [-6.0, 31.25], [-5.75, 31.15], [-5.68, 31.18], [-5.53, 31.53], [-5.0, 31.75], [-4.47, 31.53], [-4.32, 31.18], [-4.25, 31.15], [-4.18, 31.18], [-4.03, 31.53], [-3.5, 31.75], [-2.97, 31.53], [-2.75, 31.0], [-2.85, 30.75], [-2.75, 30.5], [-2.97, 29.97], [-3.5, 29.75], [-3.75, 29.85], [-3.82, 29.82], [-3.97, 29.47], [-4.5, 29.25], [-5.0, 29.46], [-5.5, 29.25], [-5.8, 29.38], [-5.97, 28.97], [-6.5, 28.75], [-6.75, 28.85], [-7.0, 28.75], [-7.25, 28.85], [-7.5, 28.75], [-7.75, 28.85], [-8.0, 28.75], [-8.25, 28.85], [-8.5, 28.75], [-9.03, 28.97], [-9.25, 29.5], [-9.03, 30.03], [-8.68, 30.18], [-8.53, 30.53], [-8.18, 30.68]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.611541878207731}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.476049611255269}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [15.196322832283215, 16.10892742659138, 15.774672705070714]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [18.096471417428177, 19.269633776498324, 18.716775417637848]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.068129959789272, 3.9046570960615696, 3.455361777914965]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.85807640289147, 4.611541878207731, 3.9781527888969777]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.416705142069765, 1.7660990188441275, 1.5058397011551512]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7627894120174588, 2.0665622310122442, 1.6940994633256463]}}