{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:07:19.684006", "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": "2017-Feb-17_to_2017-Feb-19_43.0_6.5"}, "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": 2017020001881}, "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 17 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 19 2017"}, "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": 55293.38668480684}, "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": ["Ethiopia"]}, "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": 6.5}, "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": 43.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "43.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 41.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 44.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 5.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 7.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-02-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[41.25, 7.5], [41.47, 8.03], [42.0, 8.25], [42.25, 8.15], [42.5, 8.25], [43.03, 8.03], [43.18, 7.68], [43.53, 7.53], [43.68, 7.18], [43.75, 7.15], [43.82, 7.18], [43.97, 7.53], [44.5, 7.75], [45.03, 7.53], [45.25, 7.0], [45.15, 6.75], [45.25, 6.5], [45.03, 5.97], [44.68, 5.82], [44.65, 5.75], [44.75, 5.5], [44.53, 4.97], [44.0, 4.75], [43.75, 4.85], [43.5, 4.75], [43.25, 4.85], [43.0, 4.75], [42.75, 4.85], [42.5, 4.75], [41.97, 4.97], [41.75, 5.5], [41.85, 5.75], [41.75, 6.0], [41.85, 6.25], [41.75, 6.5], [41.85, 6.75], [41.82, 6.82], [41.47, 6.97], [41.25, 7.5]]]]}, "2017-02-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[41.25, 7.5], [41.47, 8.03], [42.0, 8.25], [42.25, 8.15], [42.5, 8.25], [43.03, 8.03], [43.18, 7.68], [43.53, 7.53], [43.68, 7.18], [43.75, 7.15], [43.82, 7.18], [43.97, 7.53], [44.5, 7.75], [45.03, 7.53], [45.25, 7.0], [45.15, 6.75], [45.25, 6.5], [45.03, 5.97], [44.68, 5.82], [44.65, 5.75], [44.75, 5.5], [44.53, 4.97], [44.0, 4.75], [43.75, 4.85], [43.5, 4.75], [43.25, 4.85], [43.0, 4.75], [42.75, 4.85], [42.5, 4.75], [41.97, 4.97], [41.75, 5.5], [41.85, 5.75], [41.75, 6.0], [41.85, 6.25], [41.75, 6.5], [41.85, 6.75], [41.82, 6.82], [41.47, 6.97], [41.25, 7.5]]]]}, "2017-02-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[41.25, 7.5], [41.47, 8.03], [42.0, 8.25], [42.25, 8.15], [42.5, 8.25], [43.03, 8.03], [43.18, 7.68], [43.53, 7.53], [43.68, 7.18], [43.75, 7.15], [43.82, 7.18], [43.97, 7.53], [44.5, 7.75], [45.03, 7.53], [45.25, 7.0], [45.15, 6.75], [45.25, 6.5], [45.03, 5.97], [44.68, 5.82], [44.65, 5.75], [44.75, 5.5], [44.53, 4.97], [44.0, 4.75], [43.75, 4.85], [43.5, 4.75], [43.25, 4.85], [43.0, 4.75], [42.75, 4.85], [42.5, 4.75], [41.97, 4.97], [41.75, 5.5], [41.85, 5.75], [41.75, 6.0], [41.85, 6.25], [41.75, 6.5], [41.85, 6.75], [41.82, 6.82], [41.47, 6.97], [41.25, 7.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.5569009627991477}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.8084892489426805}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [30.68266216329073, 30.406593507785942, 30.40635352427074]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [32.55144427021844, 32.186737893839336, 32.11878827567955]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.0517160606615903, 1.715852259262489, 1.6578994269039622]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.28902781878179, 2.5569009627991477, 2.372993352289427]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [2.2776254985105266, 1.8219307624567886, 1.790900787533945]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.615590636204601, 2.705467714029725, 2.4519379328632636]}}