{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:55:37.647571", "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-14_to_2014-Jan-17_38.0_18.5"}, "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": 2014010002009}, "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 14 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 17 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": 55464.04194486715}, "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": ["Eritrea", "Sudan"]}, "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": ["Red Sea"]}, "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": 18.5}, "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": 38.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "38.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 35.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 39.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 16.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 21.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-01-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[37.47, 19.03], [38.0, 19.25], [38.53, 19.03], [38.68, 18.68], 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15.75], [38.47, 15.97], [38.25, 16.5], [38.35, 16.75], [38.32, 16.82], [37.97, 16.97], [37.8, 17.38], [37.5, 17.25], [36.97, 17.47], [36.82, 17.82], [36.47, 17.97], [36.32, 18.32], [35.97, 18.47], [35.75, 19.0], [35.85, 19.25], [35.8, 19.38], [35.5, 19.25], [34.97, 19.47], [34.75, 20.0], [34.85, 20.25], [34.75, 20.5], [34.97, 21.03]]]]}, "2014-01-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[34.97, 21.03], [35.5, 21.25], [35.75, 21.15], [36.0, 21.25], [36.25, 21.15], [36.32, 21.18], [36.47, 21.53], [37.0, 21.75], [37.53, 21.53], [37.75, 21.0], [37.65, 20.75], [37.75, 20.5], [37.65, 20.25], [37.75, 20.0], [37.65, 19.75], [37.75, 19.5], [37.65, 19.25], [37.7, 19.13], [38.0, 19.25], [38.53, 19.03], [38.68, 18.68], [39.03, 18.53], [39.25, 18.0], [39.15, 17.75], [39.18, 17.68], [39.53, 17.53], [39.75, 17.0], [39.65, 16.75], [39.75, 16.5], [39.53, 15.97], [39.0, 15.75], [38.47, 15.97], [38.25, 16.5], [38.35, 16.75], [38.32, 16.82], [37.97, 16.97], [37.8, 17.38], [37.5, 17.25], [36.97, 17.47], [36.82, 17.82], [36.47, 17.97], [36.32, 18.32], [35.97, 18.47], [35.75, 19.0], [35.85, 19.25], [35.8, 19.38], [35.5, 19.25], [34.97, 19.47], [34.75, 20.0], [34.85, 20.25], [34.75, 20.5], [34.97, 21.03]]]]}, "2014-01-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[34.97, 21.03], [35.5, 21.25], [35.75, 21.15], [36.0, 21.25], [36.25, 21.15], [36.32, 21.18], [36.47, 21.53], [37.0, 21.75], [37.53, 21.53], [37.75, 21.0], [37.65, 20.75], [37.75, 20.5], [37.65, 20.25], [37.75, 20.0], [37.65, 19.75], [37.75, 19.5], [37.65, 19.25], [37.7, 19.13], [38.0, 19.25], [38.53, 19.03], [38.68, 18.68], [39.03, 18.53], [39.25, 18.0], [39.15, 17.75], [39.18, 17.68], [39.53, 17.53], [39.75, 17.0], [39.65, 16.75], [39.75, 16.5], [39.53, 15.97], [39.0, 15.75], [38.47, 15.97], [38.25, 16.5], [38.35, 16.75], [38.32, 16.82], [37.97, 16.97], [37.8, 17.38], [37.5, 17.25], [36.97, 17.47], [36.82, 17.82], [36.47, 17.97], [36.32, 18.32], [35.97, 18.47], [35.75, 19.0], [35.85, 19.25], [35.8, 19.38], [35.5, 19.25], [34.97, 19.47], [34.75, 20.0], [34.85, 20.25], [34.75, 20.5], [34.97, 21.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.5353495065826905}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.3377019864674304}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.431618693177143, 23.824519709058336, 24.17842520940951, 24.350806341123985]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.06856079018911, 26.902815225504128, 26.952979670366517, 26.779258168841523]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.6478683306118, 3.124255004691448, 3.445772882640567, 3.6246132446638626]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.761471533603981, 4.433707071995741, 5.5353495065826905, 4.985646918501061]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4655409607704135, 1.4948951796986776, 1.6877168109890657, 1.888090561182714]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6708167159915897, 1.6518264079013794, 1.9324059063530956, 2.379582430550499]}}