{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:19:03.294960", "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-Jan-25_to_2019-Jan-27_26.5_-5.5"}, "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": 2019010002527}, "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 25 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 27 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": 116618.57169240958}, "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": ["Congo DRC"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Central-Africa", "S.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": -5.5}, "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": 26.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "26.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 24.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 28.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -9.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -3.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-01-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[23.97, -3.47], [24.5, -3.25], [24.75, -3.35], [25.0, -3.25], [25.53, -3.47], [25.75, -4.0], [25.65, -4.25], [25.68, -4.32], [25.75, -4.35], [26.0, -4.25], [26.53, -4.47], [26.68, -4.82], [27.03, -4.97], [27.18, -5.32], [27.53, -5.47], [27.68, -5.82], [28.03, -5.97], [28.18, -6.32], [28.53, -6.47], [28.75, -7.0], [28.65, -7.25], [28.68, -7.32], [29.03, -7.47], [29.25, -8.0], [29.03, -8.53], [28.5, -8.75], [28.25, -8.65], [28.13, -8.7], [28.25, -9.0], [28.15, -9.25], [28.25, -9.5], [28.03, -10.03], [27.5, -10.25], [26.97, -10.03], [26.75, -9.5], [26.85, -9.25], [26.82, -9.18], [26.75, -9.15], [26.5, -9.25], [25.97, -9.03], [25.82, -8.68], [25.75, -8.65], [25.68, -8.68], [25.53, -9.03], [25.0, -9.25], [24.47, -9.03], [24.25, -8.5], [24.47, -7.97], [24.82, -7.82], [24.85, -7.75], [24.75, -7.5], [24.96, -7.0], [24.75, -6.5], [24.96, -6.0], [24.82, -5.68], [24.47, -5.53], [24.32, -5.18], [23.97, -5.03], [23.75, -4.5], [23.85, -4.25], [23.75, -4.0], [23.97, -3.47]]]]}, "2019-01-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[23.97, -3.47], [24.5, -3.25], [24.75, -3.35], [25.0, -3.25], [25.53, -3.47], [25.75, -4.0], [25.65, -4.25], [25.68, -4.32], [25.75, -4.35], [26.0, -4.25], [26.53, -4.47], [26.68, -4.82], [27.03, -4.97], [27.18, -5.32], [27.53, -5.47], [27.68, -5.82], [28.03, -5.97], [28.18, -6.32], [28.53, -6.47], [28.75, -7.0], [28.65, -7.25], [28.68, -7.32], [29.03, -7.47], [29.25, -8.0], [29.03, -8.53], [28.5, -8.75], [28.25, -8.65], [28.13, -8.7], [28.25, -9.0], [28.15, -9.25], [28.25, -9.5], [28.03, -10.03], [27.5, -10.25], [26.97, -10.03], [26.75, -9.5], [26.85, -9.25], [26.82, -9.18], [26.75, -9.15], [26.5, -9.25], [25.97, -9.03], [25.82, -8.68], [25.75, -8.65], [25.68, -8.68], [25.53, -9.03], [25.0, -9.25], [24.47, -9.03], [24.25, -8.5], [24.47, -7.97], [24.82, -7.82], [24.85, -7.75], [24.75, -7.5], [24.96, -7.0], [24.75, -6.5], [24.96, -6.0], [24.82, -5.68], [24.47, -5.53], [24.32, -5.18], [23.97, -5.03], [23.75, -4.5], [23.85, -4.25], [23.75, -4.0], [23.97, -3.47]]]]}, "2019-01-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[23.97, -3.47], [24.5, -3.25], [24.75, -3.35], [25.0, -3.25], [25.53, -3.47], [25.75, -4.0], [25.65, -4.25], [25.68, -4.32], [25.75, -4.35], [26.0, -4.25], [26.53, -4.47], [26.68, -4.82], [27.03, -4.97], [27.18, -5.32], [27.53, -5.47], [27.68, -5.82], [28.03, -5.97], [28.18, -6.32], [28.53, -6.47], [28.75, -7.0], [28.65, -7.25], [28.68, -7.32], [29.03, -7.47], [29.25, -8.0], [29.03, -8.53], [28.5, -8.75], [28.25, -8.65], [28.13, -8.7], [28.25, -9.0], [28.15, -9.25], [28.25, -9.5], [28.03, -10.03], [27.5, -10.25], [26.97, -10.03], [26.75, -9.5], [26.85, -9.25], [26.82, -9.18], [26.75, -9.15], [26.5, -9.25], [25.97, -9.03], [25.82, -8.68], [25.75, -8.65], [25.68, -8.68], [25.53, -9.03], [25.0, -9.25], [24.47, -9.03], [24.25, -8.5], [24.47, -7.97], [24.82, -7.82], [24.85, -7.75], [24.75, -7.5], [24.96, -7.0], [24.75, -6.5], [24.96, -6.0], [24.82, -5.68], [24.47, -5.53], [24.32, -5.18], [23.97, -5.03], [23.75, -4.5], [23.85, -4.25], [23.75, -4.0], [23.97, -3.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.543839284133469}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.7807984947392612}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.190370985749723, 25.628457295999226, 25.3702514092692]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.208645167058364, 27.424773543803838, 27.517361456837136]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.6076034821155958, 2.0157911607336656, 1.7190008413685225]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.0080058585433562, 2.543839284133469, 2.4091371126975787]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5751140199731004, 2.0018969281077217, 1.724763770857261]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.10630779220705, 2.4409473753468736, 2.28608597541546]}}