{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:48:04.821560", "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": "2011-Jul-31_to_2011-Aug-03_40.5_-4.5"}, "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": 2011070003383}, "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 31 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 03 2011"}, "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": 67694.70664711649}, "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": ["Kenya"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.Eastern-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": ["Indian 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": -4.5}, "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": 40.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "40.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 39.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 42.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -8.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -2.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-07-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[38.97, -4.47], [39.5, -4.25], [39.8, -4.38], [39.97, -3.97], [40.32, -3.82], [40.35, -3.75], [40.25, -3.5], [40.47, -2.97], [41.0, -2.75], [41.53, -2.97], [41.75, -3.5], [41.65, -3.75], [41.75, -4.0], [41.65, -4.25], [41.75, -4.5], [41.65, -4.75], [41.68, -4.82], [42.03, -4.97], [42.25, -5.5], [42.03, -6.03], [41.68, -6.18], [41.65, -6.25], [41.68, -6.32], [42.03, -6.47], [42.25, -7.0], [42.15, -7.25], [42.25, -7.5], [42.15, -7.75], [42.18, -7.82], [42.53, -7.97], [42.75, -8.5], [42.53, -9.03], [42.0, -9.25], [41.47, -9.03], [41.32, -8.68], [40.97, -8.53], [40.75, -8.0], [40.85, -7.75], [40.75, -7.5], [40.85, -7.25], [40.82, -7.18], [40.47, -7.03], [40.25, -6.5], [40.35, -6.25], [40.25, -6.0], [40.35, -5.75], [40.32, -5.68], [40.2, -5.62], [40.03, -6.03], [39.5, -6.25], [38.97, -6.03], [38.75, -5.5], [38.85, -5.25], [38.75, -5.0], [38.97, -4.47]]]]}, "2011-08-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[38.85, -4.75], [38.75, -4.5], [38.97, -3.97], [39.32, -3.82], [39.35, -3.75], [39.25, -3.5], [39.35, -3.25], [39.25, -3.0], [39.47, -2.47], [40.0, -2.25], [40.53, -2.47], [40.7, -2.88], [41.0, -2.75], [41.53, -2.97], [41.75, -3.5], [41.65, -3.75], [41.75, -4.0], [41.65, -4.25], [41.75, -4.5], [41.65, -4.75], [41.68, -4.82], [42.03, -4.97], [42.25, -5.5], [42.03, -6.03], [41.68, -6.18], [41.65, -6.25], [41.68, -6.32], [42.03, -6.47], [42.25, -7.0], [42.15, -7.25], [42.25, -7.5], [42.15, -7.75], [42.18, -7.82], [42.53, -7.97], [42.75, -8.5], [42.53, -9.03], [42.0, -9.25], [41.47, -9.03], [41.32, -8.68], [40.97, -8.53], [40.75, -8.0], [40.85, -7.75], [40.75, -7.5], [40.85, -7.25], [40.82, -7.18], [40.47, -7.03], [40.25, -6.5], [40.35, -6.25], [40.25, -6.0], [40.35, -5.75], [40.32, -5.68], [40.25, -5.65], [40.18, -5.68], [40.03, -6.03], [39.5, -6.25], [38.97, -6.03], [38.75, -5.5], [38.85, -5.25], [38.75, -5.0], [38.85, -4.75]]]]}, "2011-08-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[38.85, -4.75], [38.75, -4.5], [38.97, -3.97], [39.32, -3.82], [39.35, -3.75], [39.25, -3.5], 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"anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.6719712019414672, 0.6649008784534142, 0.6565991955554243, 0.7674807581721471]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.9044785279978669, 0.861373540977354, 0.945735280018198, 1.2255766114906237]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6042106062125627, 1.579465997675868, 1.54343121629212, 1.6872192526245349]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.0080507557274827, 2.0311066269518316, 1.760758040034702, 2.125384742402341]}}