{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:45:21.449699", "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-Jul-25_to_2010-Jul-29_357.5_8.5"}, "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": 2010070002845}, "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": "July 25 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 29 2010"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 76485.62964289321}, "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": ["C\u00f4te d'Ivoire", "Ghana"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Western-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": 8.5}, "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": 357.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "357.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 354.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 358.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 6.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 9.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-07-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-6.03, 8.47], [-6.25, 9.0], [-6.03, 9.53], [-5.5, 9.75], [-4.97, 9.53], [-4.8, 9.12], [-4.5, 9.25], [-3.97, 9.03], [-3.82, 8.68], [-3.75, 8.65], [-3.68, 8.68], [-3.53, 9.03], [-3.0, 9.25], [-2.75, 9.15], [-2.68, 9.18], [-2.53, 9.53], [-2.0, 9.75], [-1.75, 9.65], [-1.5, 9.75], [-0.97, 9.53], [-0.75, 9.0], [-0.97, 8.47], [-1.32, 8.32], [-1.47, 7.97], [-2.0, 7.75], [-2.25, 7.85], [-2.32, 7.82], [-2.47, 7.47], [-2.82, 7.32], [-2.85, 7.25], [-2.75, 7.0], [-2.97, 6.47], [-3.5, 6.25], [-4.03, 6.47], [-4.18, 6.82], [-4.53, 6.97], [-4.75, 7.5], [-4.65, 7.75], [-4.68, 7.82], [-5.03, 7.97], [-5.2, 8.38], [-5.5, 8.25], [-6.03, 8.47]]]]}, "2010-07-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-6.25, 9.0], [-6.03, 9.53], [-5.5, 9.75], [-5.0, 9.54], [-4.5, 9.75], [-4.25, 9.65], [-4.0, 9.75], [-3.47, 9.53], [-3.32, 9.18], [-3.25, 9.15], [-3.18, 9.18], [-3.03, 9.53], [-2.5, 9.75], [-2.25, 9.65], [-2.0, 9.75], [-1.75, 9.65], [-1.5, 9.75], [-0.97, 9.53], [-0.75, 9.0], [-0.97, 8.47], [-1.32, 8.32], [-1.47, 7.97], [-2.0, 7.75], [-2.25, 7.85], [-2.32, 7.82], [-2.47, 7.47], [-2.82, 7.32], [-2.85, 7.25], [-2.75, 7.0], [-2.97, 6.47], [-3.5, 6.25], [-3.75, 6.35], [-4.0, 6.25], [-4.25, 6.35], [-4.5, 6.25], [-5.03, 6.47], [-5.18, 6.82], [-5.53, 6.97], [-5.75, 7.5], [-5.65, 7.75], [-5.75, 8.0], [-5.65, 8.25], [-5.68, 8.32], [-6.03, 8.47], [-6.25, 9.0]]]]}, "2010-07-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-6.25, 9.0], [-6.03, 9.53], [-5.5, 9.75], [-5.0, 9.54], [-4.5, 9.75], [-4.25, 9.65], [-4.0, 9.75], [-3.47, 9.53], [-3.32, 9.18], [-3.25, 9.15], [-3.18, 9.18], [-3.03, 9.53], [-2.5, 9.75], [-2.25, 9.65], [-2.0, 9.75], [-1.75, 9.65], [-1.5, 9.75], [-0.97, 9.53], [-0.75, 9.0], [-0.97, 8.47], [-1.32, 8.32], [-1.47, 7.97], [-2.0, 7.75], [-2.25, 7.85], [-2.32, 7.82], [-2.47, 7.47], [-2.82, 7.32], [-2.85, 7.25], [-2.75, 7.0], [-2.97, 6.47], [-3.5, 6.25], [-3.75, 6.35], [-4.0, 6.25], [-4.25, 6.35], [-4.5, 6.25], [-5.03, 6.47], [-5.18, 6.82], [-5.53, 6.97], [-5.75, 7.5], [-5.65, 7.75], [-5.75, 8.0], [-5.65, 8.25], [-5.68, 8.32], [-6.03, 8.47], [-6.25, 9.0]]]]}, "2010-07-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-5.65, 8.25], [-5.75, 8.5], [-5.53, 9.03], [-5.18, 9.18], [-5.03, 9.53], [-4.5, 9.75], [-4.25, 9.65], [-4.0, 9.75], [-3.47, 9.53], [-3.32, 9.18], [-3.25, 9.15], [-3.18, 9.18], [-3.03, 9.53], [-2.5, 9.75], [-1.97, 9.53], [-1.75, 9.0], [-1.85, 8.75], [-1.75, 8.5], [-1.97, 7.97], [-2.32, 7.82], [-2.47, 7.47], [-2.82, 7.32], [-2.85, 7.25], [-2.75, 7.0], [-2.97, 6.47], [-3.5, 6.25], [-3.75, 6.35], [-4.0, 6.25], [-4.25, 6.35], [-4.5, 6.25], [-5.03, 6.47], [-5.18, 6.82], [-5.53, 6.97], [-5.75, 7.5], [-5.65, 7.75], [-5.75, 8.0], [-5.65, 8.25]]]]}, "2010-07-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-3.5, 7.75], [-2.97, 7.53], [-2.75, 7.0], [-2.97, 6.47], [-3.5, 6.25], [-4.03, 6.47], [-4.25, 7.0], [-4.03, 7.53], [-3.5, 7.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.0693924275469158}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.6304050271185087}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.5228787952135, 27.77426190578376, 26.441184501170028, 26.343883908537293, 25.779767491523387]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.57944526817306, 29.146403182347285, 27.541150662314465, 26.80461211967736, 25.779767491523387]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.2558021167810955, 2.547806402600859, 1.249502002620609, 1.2563088618706664, 0.9438035570983061]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.4498623922137313, 3.0693924275469158, 1.7038843953137075, 1.5461386878462235, 0.9438035570983061]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5082175635052624, 3.149295649893188, 1.5284514156016968, 1.5642210403933619, 1.3200556262635226]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.736523316509983, 3.88267650567373, 1.961296442656077, 1.8789059137453596, 1.3200556262635226]}}