{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:20:12.993352", "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": "2019-Jul-19_to_2019-Jul-21_33.0_11.0"}, "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": 2019070002478}, "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 19 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 21 2019"}, "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": 66601.40977489621}, "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": ["South Sudan", "Sudan"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.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": []}, "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": 11.0}, "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": 33.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "33.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 31.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 34.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 10.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 13.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-07-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[31.25, 11.5], [31.47, 12.03], [31.82, 12.18], [31.97, 12.53], [32.32, 12.68], [32.47, 13.03], [33.0, 13.25], [33.25, 13.15], [33.5, 13.25], [33.75, 13.15], [33.82, 13.18], [33.97, 13.53], [34.5, 13.75], [35.03, 13.53], [35.25, 13.0], [35.15, 12.75], [35.25, 12.5], [35.04, 12.0], [35.25, 11.5], [35.15, 11.25], [35.25, 11.0], [35.03, 10.47], [34.5, 10.25], [34.25, 10.35], [34.18, 10.32], [34.03, 9.97], [33.5, 9.75], [33.25, 9.85], [33.0, 9.75], [32.47, 9.97], [32.32, 10.32], [31.97, 10.47], [31.82, 10.82], [31.47, 10.97], [31.25, 11.5]]]]}, "2019-07-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[31.25, 11.5], [31.47, 12.03], [31.82, 12.18], [31.97, 12.53], [32.32, 12.68], [32.47, 13.03], [33.0, 13.25], [33.25, 13.15], [33.5, 13.25], [33.75, 13.15], [33.82, 13.18], [33.97, 13.53], [34.5, 13.75], [35.03, 13.53], [35.25, 13.0], [35.15, 12.75], [35.25, 12.5], [35.04, 12.0], [35.25, 11.5], [35.15, 11.25], [35.25, 11.0], [35.03, 10.47], [34.5, 10.25], [34.25, 10.35], [34.18, 10.32], [34.03, 9.97], [33.5, 9.75], [33.25, 9.85], [33.0, 9.75], [32.47, 9.97], [32.32, 10.32], [31.97, 10.47], [31.82, 10.82], [31.47, 10.97], [31.25, 11.5]]]]}, "2019-07-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[31.25, 11.5], [31.47, 12.03], [31.82, 12.18], [31.97, 12.53], [32.32, 12.68], [32.47, 13.03], [33.0, 13.25], [33.25, 13.15], [33.5, 13.25], [33.75, 13.15], [33.82, 13.18], [33.97, 13.53], [34.5, 13.75], [35.03, 13.53], [35.25, 13.0], [35.15, 12.75], [35.25, 12.5], [35.04, 12.0], [35.25, 11.5], [35.15, 11.25], [35.25, 11.0], [35.03, 10.47], [34.5, 10.25], [34.25, 10.35], [34.18, 10.32], [34.03, 9.97], [33.5, 9.75], [33.25, 9.85], [33.0, 9.75], [32.47, 9.97], [32.32, 10.32], [31.97, 10.47], [31.82, 10.82], [31.47, 10.97], [31.25, 11.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.053484541294438}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.3533842918595607}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [29.038554799814733, 29.331665261800538, 29.21356162278488]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [30.232245281910423, 30.518439880353696, 30.619416608227368]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.1247201594696863, 2.499273831292834, 2.4361588848161606]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.7626750287254254, 3.0380093985409644, 3.053484541294438]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5867081954999682, 1.824895415072556, 1.7716935668515938]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.136317697847322, 2.2026295709357675, 2.130225183698637]}}