{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:55:38.613910", "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": "2014-Jan-19_to_2014-Jan-22_36.0_4.5"}, "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": 2014010002268}, "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": "January 19 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 22 2014"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 52370.58733535698}, "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": 4.5}, "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": 34.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 37.75}, "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": 6.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-01-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[34.47, 4.97], [34.25, 5.5], [34.47, 6.03], [35.0, 6.25], [35.25, 6.15], [35.5, 6.25], [36.03, 6.03], [36.18, 5.68], [36.53, 5.53], [36.68, 5.18], [37.03, 5.03], [37.25, 4.5], [37.03, 3.97], [36.5, 3.75], [36.25, 3.85], [36.0, 3.75], [35.47, 3.97], [35.25, 4.5], [35.35, 4.75], [35.32, 4.82], [35.25, 4.85], [35.0, 4.75], [34.47, 4.97]]]]}, "2014-01-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[33.97, 5.53], [34.32, 5.68], [34.47, 6.03], [35.0, 6.25], [35.25, 6.15], [35.32, 6.18], [35.47, 6.53], [36.0, 6.75], [36.53, 6.53], [36.75, 6.0], [36.54, 5.5], [36.68, 5.18], [37.03, 5.03], [37.18, 4.68], [37.25, 4.65], [37.5, 4.75], [38.03, 4.53], [38.25, 4.0], [38.03, 3.47], [37.5, 3.25], [37.25, 3.35], [37.0, 3.25], [36.75, 3.35], [36.5, 3.25], [36.0, 3.46], [35.5, 3.25], [35.25, 3.35], [35.0, 3.25], [34.47, 3.47], [34.32, 3.82], [33.97, 3.97], [33.75, 4.5], [33.85, 4.75], [33.75, 5.0], [33.97, 5.53]]]]}, "2014-01-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[33.97, 5.53], [34.32, 5.68], [34.47, 6.03], [35.0, 6.25], [35.25, 6.15], [35.32, 6.18], [35.47, 6.53], [36.0, 6.75], [36.53, 6.53], [36.75, 6.0], [36.54, 5.5], [36.68, 5.18], [37.03, 5.03], [37.18, 4.68], [37.25, 4.65], [37.5, 4.75], [38.03, 4.53], [38.25, 4.0], [38.03, 3.47], [37.5, 3.25], [37.25, 3.35], [37.0, 3.25], [36.75, 3.35], [36.5, 3.25], [36.0, 3.46], [35.5, 3.25], [35.25, 3.35], [35.0, 3.25], [34.47, 3.47], [34.32, 3.82], [33.97, 3.97], [33.75, 4.5], [33.85, 4.75], [33.75, 5.0], [33.97, 5.53]]]]}, "2014-01-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[33.97, 5.53], [34.32, 5.68], [34.47, 6.03], [35.0, 6.25], [35.3, 6.12], [35.47, 6.53], [36.0, 6.75], [36.53, 6.53], [36.75, 6.0], [36.54, 5.5], [36.68, 5.18], [37.03, 5.03], [37.18, 4.68], [37.25, 4.65], [37.5, 4.75], [38.03, 4.53], [38.25, 4.0], [38.03, 3.47], [37.5, 3.25], [37.25, 3.35], [37.0, 3.25], [36.75, 3.35], [36.5, 3.25], [36.0, 3.46], [35.5, 3.25], [35.25, 3.35], [35.0, 3.25], [34.47, 3.47], [34.32, 3.82], [33.97, 3.97], [33.75, 4.5], [33.85, 4.75], [33.75, 5.0], [33.97, 5.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.712311465707387}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.7852789290979094}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [31.580954053885023, 32.17645280821125, 31.797031977892175, 31.84553476924623]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [33.54292257356491, 34.75470525838699, 34.15364145669486, 34.021128962176874]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.5823154184116106, 2.0851470997209645, 1.6602019056047284, 1.6629894323618863]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.7910519307991422, 2.712311465707387, 2.0642501657357, 1.95597029772091]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.090156785602023, 1.619796162902998, 1.3143201144711973, 1.3778954241298016]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.2288188396908546, 1.933608074748894, 1.5141423889952883, 1.7414100756359292]}}