{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:12:29.614467", "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": "2018-Apr-04_to_2018-Apr-08_33.0_-16.0"}, "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": 2018040001554}, "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": "April 04 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 08 2018"}, "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": 53518.36953441192}, "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": ["Mozambique", "Zimbabwe"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Southern-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": -16.0}, "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": 33.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "33.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 30.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 34.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -16.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -14.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-04-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[32.47, -14.97], [33.0, -14.75], [33.53, -14.97], [33.68, -15.32], [34.03, -15.47], [34.25, -16.0], [34.03, -16.53], [33.5, -16.75], [33.25, -16.65], [33.0, -16.75], [32.47, -16.53], [32.25, -16.0], [32.35, -15.75], [32.25, -15.5], [32.47, -14.97]]]]}, "2018-04-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[31.85, -15.25], [31.75, -15.0], [31.97, -14.47], [32.5, -14.25], [33.03, -14.47], [33.18, -14.82], [33.53, -14.97], [33.68, -15.32], [33.75, -15.35], [34.0, -15.25], [34.53, -15.47], [34.68, -15.82], [35.03, -15.97], [35.25, -16.5], [35.03, -17.03], [34.5, -17.25], [34.0, -17.04], [33.5, -17.25], [33.25, -17.15], [33.0, -17.25], [32.47, -17.03], [32.32, -16.68], [31.97, -16.53], [31.75, -16.0], [31.85, -15.75], [31.75, -15.5], [31.85, -15.25]]]]}, "2018-04-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[30.47, -16.53], [30.25, -16.0], [30.47, -15.47], [31.0, -15.25], [31.25, -15.35], [31.32, -15.32], [31.46, -15.0], [31.25, -14.5], [31.47, -13.97], [32.0, -13.75], [32.53, -13.97], [32.68, -14.32], [32.75, -14.35], [33.0, -14.25], [33.53, -14.47], [33.75, -15.0], [33.65, -15.25], [33.68, -15.32], [33.75, -15.35], [34.0, -15.25], [34.53, -15.47], [34.68, -15.82], [35.03, -15.97], [35.25, -16.5], [35.03, -17.03], [34.5, -17.25], [34.0, -17.04], [33.5, -17.25], [33.25, -17.15], [33.0, -17.25], [32.75, -17.15], [32.5, -17.25], [32.25, -17.15], [32.0, -17.25], [31.47, -17.03], [31.32, -16.68], [31.25, -16.65], [31.0, -16.75], [30.47, -16.53]]]]}, "2018-04-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[30.47, -16.53], [30.25, -16.0], [30.47, -15.47], [31.0, -15.25], [31.25, -15.35], [31.32, -15.32], [31.46, -15.0], [31.25, -14.5], [31.47, -13.97], [32.0, -13.75], [32.53, -13.97], [32.68, -14.32], [32.75, -14.35], [33.0, -14.25], [33.53, -14.47], [33.75, -15.0], [33.65, -15.25], [33.68, -15.32], [33.75, -15.35], [34.0, -15.25], [34.53, -15.47], [34.68, -15.82], [35.03, -15.97], [35.25, -16.5], [35.03, -17.03], [34.5, -17.25], [34.0, -17.04], [33.5, -17.25], [33.25, -17.15], [33.0, -17.25], [32.75, -17.15], [32.5, -17.25], [32.25, -17.15], [32.0, -17.25], [31.47, -17.03], [31.32, -16.68], [31.25, -16.65], [31.0, -16.75], [30.47, -16.53]]]]}, "2018-04-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[30.47, -16.53], [30.25, -16.0], [30.47, -15.47], [31.0, -15.25], [31.25, -15.35], [31.32, -15.32], [31.46, -15.0], [31.25, -14.5], [31.47, -13.97], [32.0, -13.75], [32.53, -13.97], [32.68, -14.32], [32.75, -14.35], [33.0, -14.25], [33.53, -14.47], [33.75, -15.0], [33.65, -15.25], [33.68, -15.32], [34.03, -15.47], [34.25, -16.0], [34.03, -16.53], [33.68, -16.68], [33.53, -17.03], [33.0, -17.25], [32.75, -17.15], [32.5, -17.25], [32.25, -17.15], [32.0, -17.25], [31.47, -17.03], [31.32, -16.68], [31.25, -16.65], [31.0, -16.75], [30.47, -16.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.409905398001342}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.397633757123195}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.70465699542609, 28.643958459173973, 29.401401329022065, 28.880928792597047, 28.030305812356175]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.244077043852258, 29.78759195979916, 31.76084562015859, 30.758233057156872, 30.55278095404111]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.664116780969304, 2.8235647516216886, 4.0163612346226785, 3.5780804564603934, 2.968040810484293]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.9235850935154417, 3.2538480874534343, 5.409905398001342, 4.522608904026583, 3.958684931239702]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4510789290155859, 1.5050686088390621, 2.1564635712755775, 1.8906680436682974, 1.5987216667717188]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5509901773100765, 1.6669448171322834, 2.7231834873321863, 2.22302844852051, 2.0709039404395875]}}