{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:45:28.164430", "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-03_to_2010-Aug-05_355.5_25.0"}, "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": 2010080001658}, "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 03 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 05 2010"}, "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": 83636.63616430626}, "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", "Mauritania"]}, "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": 25.0}, "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": 355.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "355.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 350.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 356.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 24.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 26.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-08-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-9.18, 25.68], [-9.03, 26.03], [-8.5, 26.25], [-8.2, 26.12], [-8.03, 26.53], [-7.5, 26.75], [-7.25, 26.65], [-7.0, 26.75], [-6.75, 26.65], [-6.68, 26.68], [-6.53, 27.03], [-6.0, 27.25], [-5.75, 27.15], [-5.5, 27.25], [-5.25, 27.15], [-5.0, 27.25], [-4.75, 27.15], [-4.5, 27.25], [-3.97, 27.03], [-3.82, 26.68], [-3.47, 26.53], [-3.25, 26.0], [-3.35, 25.75], [-3.25, 25.5], [-3.47, 24.97], [-3.82, 24.82], [-3.97, 24.47], [-4.5, 24.25], [-4.75, 24.35], [-5.0, 24.25], [-5.25, 24.35], [-5.5, 24.25], [-6.0, 24.46], [-6.5, 24.25], [-6.8, 24.38], [-6.97, 23.97], [-7.5, 23.75], [-8.03, 23.97], [-8.18, 24.32], [-8.5, 24.46], [-8.82, 24.32], [-8.97, 23.97], [-9.5, 23.75], [-10.03, 23.97], [-10.25, 24.5], [-10.03, 25.03], [-9.68, 25.18], [-9.53, 25.53], [-9.18, 25.68]]]]}, "2010-08-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-9.18, 25.68], [-9.03, 26.03], [-8.5, 26.25], [-8.2, 26.12], [-8.03, 26.53], [-7.5, 26.75], [-7.25, 26.65], [-7.0, 26.75], [-6.75, 26.65], [-6.68, 26.68], [-6.53, 27.03], [-6.0, 27.25], [-5.75, 27.15], [-5.5, 27.25], [-5.25, 27.15], [-5.0, 27.25], [-4.75, 27.15], [-4.5, 27.25], [-3.97, 27.03], [-3.82, 26.68], [-3.47, 26.53], [-3.25, 26.0], [-3.35, 25.75], [-3.25, 25.5], [-3.47, 24.97], [-3.82, 24.82], [-3.97, 24.47], [-4.5, 24.25], [-4.75, 24.35], [-5.0, 24.25], [-5.25, 24.35], [-5.5, 24.25], [-6.0, 24.46], [-6.5, 24.25], [-6.8, 24.38], [-6.97, 23.97], [-7.5, 23.75], [-8.03, 23.97], [-8.18, 24.32], [-8.5, 24.46], [-8.82, 24.32], [-8.97, 23.97], [-9.5, 23.75], [-10.03, 23.97], [-10.25, 24.5], [-10.03, 25.03], [-9.68, 25.18], [-9.53, 25.53], [-9.18, 25.68]]]]}, "2010-08-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-9.18, 25.68], [-9.03, 26.03], [-8.5, 26.25], [-8.2, 26.12], [-8.03, 26.53], [-7.5, 26.75], [-7.25, 26.65], [-7.0, 26.75], [-6.75, 26.65], [-6.68, 26.68], [-6.53, 27.03], [-6.0, 27.25], [-5.75, 27.15], [-5.5, 27.25], [-5.25, 27.15], [-5.0, 27.25], [-4.75, 27.15], [-4.5, 27.25], [-3.97, 27.03], [-3.82, 26.68], [-3.47, 26.53], [-3.25, 26.0], [-3.35, 25.75], [-3.25, 25.5], [-3.47, 24.97], [-3.82, 24.82], [-3.97, 24.47], [-4.5, 24.25], [-4.75, 24.35], [-5.0, 24.25], [-5.25, 24.35], [-5.5, 24.25], [-6.0, 24.46], [-6.5, 24.25], [-6.8, 24.38], [-6.97, 23.97], [-7.5, 23.75], [-8.03, 23.97], [-8.18, 24.32], [-8.5, 24.46], [-8.82, 24.32], [-8.97, 23.97], [-9.5, 23.75], [-10.03, 23.97], [-10.25, 24.5], [-10.03, 25.03], [-9.68, 25.18], [-9.53, 25.53], [-9.18, 25.68]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.8852358434007215}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.458498435367947}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [39.818460063464045, 40.29303585291399, 39.95329527329778]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [41.51186339785863, 41.66219795957244, 41.157449876607586]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.181711480086352, 2.7247700450134555, 2.469013781004033]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.009946236450446, 3.8852358434007215, 3.2544499126450432]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3237559030298982, 1.5903705716563044, 1.388927832788074]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.773616204962635, 1.8577416493416, 1.6666224765681918]}}