{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:46:28.386580", "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-Dec-22_to_2010-Dec-25_30.5_18.0"}, "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": 2010120002523}, "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": "December 22 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 25 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": 99375.04983268937}, "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": ["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": 18.0}, "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": 30.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "30.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 28.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 31.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 17.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 21.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-12-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[27.85, 19.25], [27.75, 19.5], [27.97, 20.03], [28.5, 20.25], 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21.0], [31.54, 20.5], [31.75, 20.0], [31.65, 19.75], [31.75, 19.5], [31.65, 19.25], [31.75, 19.0], [31.65, 18.75], [31.68, 18.68], [32.03, 18.53], [32.25, 18.0], [32.15, 17.75], [32.25, 17.5], [32.03, 16.97], [31.5, 16.75], [31.25, 16.85], [31.0, 16.75], [30.75, 16.85], [30.5, 16.75], [29.97, 16.97], [29.82, 17.32], [29.75, 17.35], [29.5, 17.25], [29.25, 17.35], [29.0, 17.25], [28.47, 17.47], [28.32, 17.82], [27.97, 17.97], [27.75, 18.5], [27.85, 18.75], [27.75, 19.0], [27.85, 19.25]]]]}, "2010-12-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[27.85, 19.25], [27.75, 19.5], [27.97, 20.03], [28.5, 20.25], [28.75, 20.15], [28.82, 20.18], [28.97, 20.53], [29.32, 20.68], [29.47, 21.03], [29.82, 21.18], [29.97, 21.53], [30.5, 21.75], [30.75, 21.65], [31.0, 21.75], [31.53, 21.53], [31.75, 21.0], [31.54, 20.5], [31.75, 20.0], [31.65, 19.75], [31.75, 19.5], [31.65, 19.25], [31.75, 19.0], [31.65, 18.75], [31.68, 18.68], [32.03, 18.53], [32.25, 18.0], [32.15, 17.75], [32.25, 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22.520945371321318, 21.158170957636514, 22.020355050717683]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.1041481694935, 25.26358346848724, 24.25604375348206, 22.230214366523114]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.234933841611988, 4.9060622310758335, 3.6901908194116286, 3.6048516520098133]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.3940780165916635, 5.617681486563299, 4.318131376822521, 3.636756900026114]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5489712025190283, 1.8545564632478713, 1.429968718035044, 1.4009048456474262]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8580346817377071, 1.958001251152384, 1.6159777380537115, 1.4043274298585935]}}