{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:05:41.858347", "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-Jun-18_to_2016-Jun-20_3.5_22.5"}, "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": 2016060002202}, "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": "June 18 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 20 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": 60048.157915040836}, "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"]}, "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": 22.5}, "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": 3.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "3.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 1.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 4.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 20.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 23.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-06-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[1.47, 23.03], [1.82, 23.18], [1.97, 23.53], [2.32, 23.68], [2.47, 24.03], [3.0, 24.25], [3.25, 24.15], [3.5, 24.25], [3.75, 24.15], [4.0, 24.25], [4.53, 24.03], [4.75, 23.5], [4.65, 23.25], [4.75, 23.0], [4.63, 22.7], [5.03, 22.53], [5.25, 22.0], [5.03, 21.47], [4.68, 21.32], [4.53, 20.97], [4.18, 20.82], [4.03, 20.47], [3.5, 20.25], [3.25, 20.35], [3.0, 20.25], [2.47, 20.47], [2.32, 20.82], [1.97, 20.97], [1.82, 21.32], [1.47, 21.47], [1.25, 22.0], [1.35, 22.25], [1.25, 22.5], [1.47, 23.03]]]]}, "2016-06-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[1.47, 23.03], [1.82, 23.18], [1.97, 23.53], [2.32, 23.68], [2.47, 24.03], [3.0, 24.25], [3.25, 24.15], [3.5, 24.25], [3.75, 24.15], [4.0, 24.25], [4.53, 24.03], [4.75, 23.5], [4.65, 23.25], [4.75, 23.0], [4.63, 22.7], [5.03, 22.53], [5.25, 22.0], [5.03, 21.47], [4.68, 21.32], [4.53, 20.97], [4.18, 20.82], [4.03, 20.47], [3.5, 20.25], [3.25, 20.35], [3.0, 20.25], [2.47, 20.47], [2.32, 20.82], [1.97, 20.97], [1.82, 21.32], [1.47, 21.47], [1.25, 22.0], [1.35, 22.25], [1.25, 22.5], [1.47, 23.03]]]]}, "2016-06-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[1.47, 23.03], [1.82, 23.18], [1.97, 23.53], [2.32, 23.68], [2.47, 24.03], [3.0, 24.25], [3.25, 24.15], [3.5, 24.25], [3.75, 24.15], [4.0, 24.25], [4.53, 24.03], [4.75, 23.5], [4.65, 23.25], [4.75, 23.0], [4.63, 22.7], [5.03, 22.53], [5.25, 22.0], [5.03, 21.47], [4.68, 21.32], [4.53, 20.97], [4.18, 20.82], [4.03, 20.47], [3.5, 20.25], [3.25, 20.35], [3.0, 20.25], [2.47, 20.47], [2.32, 20.82], [1.97, 20.97], [1.82, 21.32], [1.47, 21.47], [1.25, 22.0], [1.35, 22.25], [1.25, 22.5], [1.47, 23.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.043348787402181}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.684785128564335}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [38.59671317862205, 39.121999681318584, 37.73821349039213]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [39.27770512960859, 40.13390878557044, 38.78123323081985]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.725619738509633, 3.3223765201244078, 2.0063591270589645]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.645958680711715, 4.043348787402181, 2.379957011492479]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.947257227161855, 2.3873840498300014, 1.4415034471958275]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.6722203369751045, 2.8600734639868493, 1.709824007533844]}}