{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:20:09.659102", "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": "2020-May-23_to_2020-May-27_36.0_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": 2020050002382}, "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": "May 23 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 27 2020"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 55375.39177592776}, "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", "Kenya", "South 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": 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": 36.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "36.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 33.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 37.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 3.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 6.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-05-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[37.0, 6.75], [37.53, 6.53], [37.75, 6.0], [37.53, 5.47], [37.0, 5.25], [36.47, 5.47], [36.25, 6.0], [36.47, 6.53], [37.0, 6.75]]]]}, "2020-05-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[33.47, 5.53], [33.82, 5.68], [33.85, 5.75], [33.75, 6.0], [33.85, 6.25], [33.75, 6.5], [33.97, 7.03], [34.5, 7.25], [34.75, 7.15], [35.0, 7.25], [35.5, 7.04], [36.0, 7.25], [36.25, 7.15], [36.5, 7.25], [37.03, 7.03], [37.18, 6.68], [37.53, 6.53], [37.75, 6.0], [37.53, 5.47], [37.0, 5.25], [36.75, 5.35], [36.5, 5.25], [36.0, 5.46], [35.68, 5.32], [35.65, 5.25], [35.75, 5.0], [35.65, 4.75], [35.75, 4.5], [35.53, 3.97], [35.0, 3.75], [34.75, 3.85], [34.5, 3.75], [34.25, 3.85], [34.0, 3.75], [33.47, 3.97], [33.25, 4.5], [33.35, 4.75], [33.25, 5.0], [33.47, 5.53]]]]}, "2020-05-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[33.47, 5.53], [33.82, 5.68], [33.85, 5.75], [33.75, 6.0], [33.85, 6.25], [33.75, 6.5], [33.97, 7.03], [34.5, 7.25], [34.75, 7.15], [35.0, 7.25], [35.5, 7.04], [36.0, 7.25], [36.25, 7.15], [36.5, 7.25], [37.03, 7.03], [37.18, 6.68], [37.53, 6.53], [37.75, 6.0], [37.53, 5.47], [37.0, 5.25], [36.75, 5.35], [36.5, 5.25], [36.0, 5.46], [35.68, 5.32], [35.65, 5.25], [35.75, 5.0], [35.65, 4.75], [35.75, 4.5], [35.53, 3.97], [35.18, 3.82], [35.03, 3.47], [34.5, 3.25], [33.97, 3.47], [33.82, 3.82], [33.47, 3.97], [33.25, 4.5], [33.35, 4.75], [33.25, 5.0], [33.47, 5.53]]]]}, "2020-05-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[33.47, 5.53], [33.82, 5.68], [33.85, 5.75], [33.75, 6.0], [33.85, 6.25], [33.75, 6.5], [33.97, 7.03], [34.5, 7.25], [34.75, 7.15], [35.0, 7.25], [35.5, 7.04], [36.0, 7.25], [36.25, 7.15], [36.5, 7.25], [37.03, 7.03], [37.25, 6.5], [37.15, 6.25], [37.25, 6.0], [37.03, 5.47], [36.5, 5.25], [36.0, 5.46], [35.68, 5.32], [35.65, 5.25], [35.75, 5.0], [35.65, 4.75], [35.75, 4.5], [35.53, 3.97], [35.18, 3.82], [35.03, 3.47], [34.5, 3.25], [33.97, 3.47], [33.82, 3.82], [33.47, 3.97], [33.25, 4.5], [33.35, 4.75], [33.25, 5.0], [33.47, 5.53]]]]}, "2020-05-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[33.97, 3.47], [33.75, 4.0], [33.97, 4.53], [34.5, 4.75], [35.03, 4.53], [35.25, 4.0], [35.03, 3.47], [34.5, 3.25], [33.97, 3.47]]], [[[35.47, 7.03], [36.0, 7.25], [36.25, 7.15], [36.5, 7.25], [37.03, 7.03], [37.25, 6.5], [37.15, 6.25], [37.25, 6.0], [37.03, 5.47], [36.5, 5.25], [35.97, 5.47], [35.82, 5.82], [35.47, 5.97], [35.25, 6.5], [35.47, 7.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.200456356879954}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.9286305081032298}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [22.206369538004253, 28.62821232711633, 28.896566815816414, 29.058894951651837, 25.60152337250065]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [22.206369538004253, 32.68702862758067, 32.98862525978325, 32.68593276647215, 30.623287332999155]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.196251452861702, 1.9696657734637295, 2.090848092557877, 1.903266966076103, 1.3151413177008635]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.196251452861702, 2.5509223940545667, 3.200456356879954, 2.423045564259155, 1.6038606086190725]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2457589990975515, 1.4497826607354127, 1.4946367537856382, 1.3207217538178784, 1.1633741884103646]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.2457589990975515, 1.9979016904292959, 1.9685523964467824, 1.5397012983216063, 1.247353206210856]}}