{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:45:29.096044", "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": "2010-Aug-06_to_2010-Aug-09_29.5_22.5"}, "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": 2010080001832}, "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": "August 06 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 09 2010"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 57738.576524240896}, "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": ["Egypt", "Sudan"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["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": 22.5}, "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": 29.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "29.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 25.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 29.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 19.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 22.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-08-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[25.97, 21.53], [26.5, 21.75], [27.0, 21.54], [27.5, 21.75], [27.75, 21.65], [27.82, 21.68], [27.85, 21.75], [27.75, 22.0], [27.97, 22.53], [28.32, 22.68], [28.47, 23.03], [29.0, 23.25], [29.25, 23.15], [29.5, 23.25], [30.03, 23.03], [30.25, 22.5], [30.03, 21.97], [29.68, 21.82], [29.65, 21.75], [29.75, 21.5], [29.53, 20.97], [29.18, 20.82], [29.03, 20.47], [28.68, 20.32], [28.53, 19.97], [28.0, 19.75], [27.75, 19.85], [27.5, 19.75], [27.25, 19.85], [27.0, 19.75], [26.75, 19.85], [26.5, 19.75], [25.97, 19.97], [25.75, 20.5], [25.85, 20.75], [25.75, 21.0], [25.97, 21.53]]]]}, "2010-08-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[25.47, 21.03], [25.82, 21.18], [25.97, 21.53], [26.5, 21.75], [27.0, 21.54], [27.5, 21.75], [27.75, 21.65], [27.82, 21.68], [27.85, 21.75], [27.75, 22.0], [27.97, 22.53], [28.32, 22.68], [28.47, 23.03], [29.0, 23.25], [29.25, 23.15], [29.5, 23.25], [30.03, 23.03], [30.25, 22.5], [30.03, 21.97], [29.68, 21.82], [29.65, 21.75], [29.75, 21.5], [29.53, 20.97], [29.18, 20.82], [29.13, 20.7], [29.53, 20.53], [29.75, 20.0], [29.53, 19.47], [29.0, 19.25], [28.75, 19.35], [28.5, 19.25], [28.25, 19.35], [28.0, 19.25], [27.75, 19.35], [27.5, 19.25], [26.97, 19.47], [26.82, 19.82], [26.75, 19.85], [26.68, 19.82], [26.53, 19.47], [26.0, 19.25], [25.47, 19.47], [25.25, 20.0], [25.35, 20.25], [25.25, 20.5], [25.47, 21.03]]]]}, "2010-08-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[25.47, 21.03], [25.82, 21.18], [25.97, 21.53], [26.5, 21.75], [27.0, 21.54], [27.5, 21.75], [27.75, 21.65], [27.82, 21.68], [27.85, 21.75], [27.75, 22.0], [27.97, 22.53], [28.32, 22.68], [28.47, 23.03], [29.0, 23.25], [29.25, 23.15], [29.5, 23.25], [30.03, 23.03], [30.25, 22.5], [30.03, 21.97], [29.68, 21.82], [29.65, 21.75], [29.75, 21.5], [29.53, 20.97], [29.18, 20.82], [29.13, 20.7], [29.53, 20.53], [29.75, 20.0], [29.53, 19.47], [29.0, 19.25], [28.75, 19.35], [28.5, 19.25], [28.25, 19.35], [28.0, 19.25], [27.75, 19.35], [27.5, 19.25], [26.97, 19.47], [26.82, 19.82], [26.75, 19.85], [26.68, 19.82], [26.53, 19.47], [26.0, 19.25], [25.47, 19.47], [25.25, 20.0], [25.35, 20.25], [25.25, 20.5], [25.47, 21.03]]]]}, "2010-08-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[27.75, 20.65], [28.0, 20.75], [28.25, 20.65], [28.5, 20.75], [28.75, 20.65], [29.0, 20.75], [29.53, 20.53], [29.75, 20.0], [29.53, 19.47], [29.0, 19.25], [28.75, 19.35], [28.5, 19.25], [28.25, 19.35], [28.0, 19.25], [27.75, 19.35], [27.5, 19.25], [26.97, 19.47], [26.75, 20.0], [26.97, 20.53], [27.5, 20.75], [27.75, 20.65]]], [[[26.0, 21.25], [26.53, 21.03], [26.75, 20.5], [26.65, 20.25], [26.75, 20.0], [26.53, 19.47], [26.0, 19.25], [25.47, 19.47], [25.25, 20.0], [25.35, 20.25], [25.25, 20.5], [25.47, 21.03], [26.0, 21.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.491147990059801}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.4656570180149298}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [34.90885544318991, 35.25192226461746, 35.55425530129031, 34.5320246526565]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [36.504150094773024, 37.307237822621914, 37.35391058915292, 35.95322841925082]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.1539283826423383, 2.5106251269938697, 2.874118874665851, 1.6815906151181064]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.4958139535234523, 3.281725343706796, 3.491147990059801, 1.7795564844245177]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.427631124413645, 1.7238193734906673, 1.9892107545642728, 1.2702991768163305]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5878796183434352, 2.1377756050341707, 2.337458734803084, 1.3398546179811737]}}