{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:06:09.827033", "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": "2016-Aug-20_to_2016-Aug-22_31.0_-23.0"}, "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": 2016080002446}, "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 20 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 22 2016"}, "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": 51012.297649348184}, "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", "South Africa"]}, "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": []}, "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": -23.0}, "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": 31.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "31.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 30.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 33.75}, "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": -22.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-08-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[29.85, -23.25], [29.75, -23.0], [29.97, -22.47], [30.32, -22.32], [30.47, -21.97], [31.0, -21.75], [31.53, -21.97], [31.68, -22.32], [31.75, -22.35], [32.0, -22.25], [32.53, -22.47], [32.68, -22.82], [33.0, -22.96], [33.5, -22.75], [34.03, -22.97], [34.25, -23.5], [34.15, -23.75], [34.25, -24.0], [34.03, -24.53], [33.5, -24.75], [33.25, -24.65], [33.0, -24.75], [32.75, -24.65], [32.5, -24.75], [32.25, -24.65], [32.0, -24.75], [31.75, -24.65], [31.5, -24.75], [31.25, -24.65], [31.0, -24.75], [30.75, -24.65], [30.5, -24.75], [29.97, -24.53], [29.75, -24.0], [29.85, -23.75], [29.75, -23.5], [29.85, -23.25]]]]}, "2016-08-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[29.85, -23.25], [29.75, -23.0], [29.97, -22.47], [30.32, -22.32], [30.47, -21.97], [31.0, -21.75], [31.53, -21.97], [31.68, -22.32], [31.75, -22.35], [32.0, -22.25], [32.53, -22.47], [32.68, -22.82], [33.0, -22.96], [33.5, -22.75], [34.03, -22.97], [34.25, -23.5], [34.15, -23.75], [34.25, -24.0], [34.03, -24.53], [33.5, -24.75], [33.25, -24.65], [33.0, -24.75], [32.75, -24.65], [32.5, -24.75], [32.25, -24.65], [32.0, -24.75], [31.75, -24.65], [31.5, -24.75], [31.25, -24.65], [31.0, -24.75], [30.75, -24.65], [30.5, -24.75], [29.97, -24.53], [29.75, -24.0], [29.85, -23.75], [29.75, -23.5], [29.85, -23.25]]]]}, "2016-08-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[29.85, -23.25], [29.75, -23.0], [29.97, -22.47], [30.32, -22.32], [30.47, -21.97], [31.0, -21.75], [31.53, -21.97], [31.68, -22.32], [31.75, -22.35], [32.0, -22.25], [32.53, -22.47], [32.68, -22.82], [33.0, -22.96], [33.5, -22.75], [34.03, -22.97], [34.25, -23.5], [34.15, -23.75], [34.25, -24.0], [34.03, -24.53], [33.5, -24.75], [33.25, -24.65], [33.0, -24.75], [32.75, -24.65], [32.5, -24.75], [32.25, -24.65], [32.0, -24.75], [31.75, -24.65], [31.5, -24.75], [31.25, -24.65], [31.0, -24.75], [30.75, -24.65], [30.5, -24.75], [29.97, -24.53], [29.75, -24.0], [29.85, -23.75], [29.75, -23.5], [29.85, -23.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.515979308066505}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.20610803097144}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [24.028723156030708, 24.128811701730854, 25.801266213518943]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [24.813062567164195, 24.945156949661794, 27.292885515474666]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.644076568874804, 3.700495609187249, 5.273751914852268]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.316997336595648, 4.264901912787366, 6.515979308066505]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4830285220298545, 1.4678136374914155, 2.0208361809228315]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6259675506725115, 1.6597935885851676, 2.347340607475293]}}