{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:46:00.298526", "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-Oct-24_to_2010-Oct-29_11.0_-6.5"}, "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": 2010100002454}, "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 24 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 29 2010"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 95389.96090346214}, "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": ["Congo"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Central-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": ["South Atlantic 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": -6.5}, "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": 11.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "11.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 8.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 12.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -7.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -3.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-10-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[8.97, -6.47], [9.32, -6.32], [9.47, -5.97], [10.0, -5.75], [10.25, 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"2010-10-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[8.25, -3.5], [8.47, -2.97], [9.0, -2.75], [9.25, -2.85], [9.5, -2.75], [9.75, -2.85], [10.0, -2.75], [10.25, -2.85], [10.5, -2.75], [11.03, -2.97], [11.18, -3.32], [11.53, -3.47], [11.75, -4.0], [11.65, -4.25], [11.75, -4.5], [11.65, -4.75], [11.68, -4.82], [11.75, -4.85], [12.0, -4.75], [12.53, -4.97], [12.75, -5.5], [12.65, -5.75], [12.75, -6.0], [12.65, -6.25], [12.75, -6.5], [12.53, -7.03], [12.0, -7.25], [11.75, -7.15], [11.5, -7.25], [11.25, -7.15], [11.18, -7.18], [11.03, -7.53], [10.5, -7.75], [10.25, -7.65], [10.18, -7.68], [10.03, -8.03], [9.5, -8.25], [8.97, -8.03], [8.75, -7.5], [8.85, -7.25], [8.75, -7.0], [8.97, -6.47], [9.32, -6.32], [9.47, -5.97], [9.88, -5.8], [9.75, -5.5], [9.85, -5.25], [9.82, -5.18], [9.47, -5.03], [9.32, -4.68], [8.97, -4.53], [8.82, -4.18], [8.47, -4.03], [8.25, -3.5]]]]}, "2010-10-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[8.25, -3.5], [8.47, -2.97], [9.0, -2.75], [9.25, -2.85], [9.5, -2.75], [9.75, -2.85], [10.0, -2.75], [10.25, -2.85], [10.5, -2.75], [11.03, -2.97], [11.18, -3.32], [11.53, -3.47], [11.68, -3.82], [12.03, -3.97], [12.18, -4.32], [12.53, -4.47], [12.75, -5.0], [12.65, -5.25], [12.75, -5.5], [12.65, -5.75], [12.75, -6.0], [12.65, -6.25], [12.75, -6.5], [12.53, -7.03], [12.0, -7.25], [11.75, -7.15], [11.5, -7.25], [11.25, -7.15], [11.18, -7.18], [11.03, -7.53], [10.5, -7.75], [10.25, -7.65], [10.18, -7.68], [10.03, -8.03], [9.5, -8.25], [8.97, -8.03], [8.75, -7.5], [8.85, -7.25], [8.75, -7.0], [8.97, -6.47], [9.32, -6.32], [9.47, -5.97], [9.88, -5.8], [9.75, -5.5], [9.85, -5.25], [9.82, -5.18], [9.47, -5.03], [9.32, -4.68], [8.97, -4.53], [8.82, -4.18], [8.47, -4.03], [8.25, -3.5]]]]}, "2010-10-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[9.47, -2.97], [10.0, -2.75], [10.25, -2.85], [10.5, -2.75], [11.03, -2.97], [11.18, -3.32], [11.53, -3.47], [11.68, -3.82], [12.03, -3.97], [12.18, 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[9.75, -3.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.3100952948068993}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.9163198234745185}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.24451963050393, 25.54416608443745, 26.019949902003646, 26.251715697672807, 26.303047674700053, 26.249521557144988]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.63880524447228, 26.220536420942437, 26.27204462349175, 26.706640554705245, 26.661724822524548, 26.5706617977645]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.8592114329648959, 0.7614600653747113, 0.8906442098928247, 1.054195284920266, 0.9009589668829521, 0.8049131027894134]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.9219218430974365, 0.8497518778199833, 1.3100952948068993, 1.2484093225514812, 1.2560548285046025, 1.1237218601597192]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3386256942930668, 1.3078044903101433, 1.5097271668553012, 1.7728104189226928, 1.5173989029140125, 1.335648381398725]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.42464861886121, 1.6270369343663398, 1.958389466849108, 2.102531459790542, 1.995312681654256, 1.7521319502196033]}}