{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:02:20.832326", "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": "2015-Feb-03_to_2015-Feb-08_33.5_-21.5"}, "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": 2015020001448}, "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": "February 03 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 08 2015"}, "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": 77810.77998110336}, "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": ["Mozambique", "Zimbabwe"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Southern-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": ["Mozambique Channel"]}, "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": -21.5}, "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": 33.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "33.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 32.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 35.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -23.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -19.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-02-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[32.97, -20.97], [33.5, -20.75], [34.03, -20.97], [34.25, -21.5], [34.15, -21.75], [34.25, -22.0], [34.03, -22.53], [33.5, -22.75], [32.97, -22.53], [32.75, -22.0], [32.85, -21.75], [32.75, -21.5], [32.97, -20.97]]]]}, "2015-02-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[32.35, -20.75], [32.25, -20.5], [32.47, -19.97], [33.0, -19.75], [33.5, -19.96], [34.0, -19.75], [34.53, -19.97], [34.75, -20.5], [34.65, -20.75], [34.68, -20.82], [35.03, -20.97], [35.25, -21.5], [35.03, -22.03], [34.68, -22.18], [34.53, -22.53], [34.0, -22.75], [33.75, -22.65], [33.5, -22.75], [32.97, -22.53], [32.82, -22.18], [32.47, -22.03], [32.25, -21.5], [32.35, -21.25], [32.25, -21.0], [32.35, -20.75]]]]}, "2015-02-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[31.75, -21.0], [31.97, -20.47], [32.32, -20.32], [32.35, -20.25], [32.25, -20.0], [32.47, -19.47], [33.0, -19.25], [33.5, -19.46], [34.0, -19.25], [34.25, -19.35], [34.5, -19.25], [34.75, -19.35], [35.0, -19.25], [35.53, -19.47], [35.75, -20.0], [35.65, -20.25], [35.75, -20.5], [35.65, -20.75], [35.75, -21.0], [35.65, -21.25], [35.75, -21.5], [35.53, -22.03], [35.18, -22.18], [35.03, -22.53], [34.68, -22.68], [34.53, -23.03], [34.18, -23.18], [34.03, -23.53], [33.5, -23.75], [32.97, -23.53], [32.75, -23.0], [32.85, -22.75], [32.82, -22.68], [32.47, -22.53], [32.25, -22.0], [32.35, -21.75], [32.32, -21.68], [31.97, -21.53], [31.75, -21.0]]]]}, "2015-02-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[31.75, -21.0], [31.97, -20.47], [32.32, -20.32], [32.35, -20.25], [32.25, -20.0], [32.47, -19.47], [33.0, -19.25], [33.5, -19.46], [34.0, -19.25], [34.25, -19.35], [34.5, -19.25], [34.75, -19.35], [35.0, -19.25], [35.53, -19.47], [35.75, -20.0], [35.65, -20.25], [35.75, -20.5], [35.65, -20.75], [35.75, -21.0], [35.65, -21.25], [35.75, -21.5], [35.53, -22.03], [35.18, -22.18], [35.03, -22.53], [34.68, -22.68], [34.53, -23.03], [34.18, -23.18], [34.03, -23.53], [33.5, -23.75], [32.97, -23.53], [32.75, -23.0], [32.85, -22.75], 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evolution of maximum t2m.", "value": [30.863206847960157, 31.309713936497303, 32.60385989533262, 32.379797333966565, 32.63192927115216, 31.269966574747798]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.4209590573074706, 2.2964321062353448, 2.7758872185249035, 2.579886013013865, 3.139351088973007, 2.481228983212688]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.4789207407432627, 2.905100849284395, 4.2655083167295516, 4.037471948217501, 4.362769691452911, 3.1911649757996656]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3843585185742397, 1.393059745382976, 1.7784015011250724, 1.6173457352974319, 1.9423288324736747, 1.476302960440958]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4171271482514116, 1.6069899776473981, 2.24671083262468, 2.117413580476031, 2.3640434820487206, 1.6278330655274984]}}