{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:05:18.491808", "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": "2016-Apr-20_to_2016-Apr-25_31.0_-1.0"}, "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": 2016040001864}, "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 20 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 25 2016"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 117421.77067005771}, "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": ["Rwanda", "Tanzania", "Uganda"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Eastern-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": -1.0}, "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": 31.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "31.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 29.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 33.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -1.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 3.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-04-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[29.75, -0.5], [29.97, 0.03], [30.32, 0.18], [30.35, 0.25], [30.25, 0.5], [30.47, 1.03], [31.0, 1.25], [31.25, 1.15], [31.5, 1.25], [31.75, 1.15], [31.82, 1.18], [31.97, 1.53], [32.5, 1.75], [33.03, 1.53], [33.18, 1.18], [33.53, 1.03], [33.75, 0.5], [33.53, -0.03], [33.18, -0.18], [33.03, -0.53], [32.68, -0.68], [32.53, -1.03], [32.18, -1.18], [32.15, -1.25], [32.25, -1.5], [32.03, -2.03], [31.5, -2.25], [31.25, -2.15], [31.0, -2.25], [30.75, -2.15], [30.5, -2.25], [30.25, -2.15], [30.0, -2.25], [29.47, -2.03], [29.25, -1.5], [29.47, -0.97], [29.82, -0.82], [29.85, -0.75], [29.75, -0.5]]]]}, "2016-04-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[29.75, -0.5], [29.97, 0.03], [30.32, 0.18], [30.35, 0.25], [30.25, 0.5], [30.47, 1.03], [30.82, 1.18], [30.85, 1.25], [30.75, 1.5], [30.85, 1.75], [30.75, 2.0], [30.97, 2.53], [31.32, 2.68], [31.35, 2.75], [31.25, 3.0], [31.47, 3.53], [32.0, 3.75], [32.25, 3.65], [32.5, 3.75], [33.03, 3.53], [33.18, 3.18], [33.53, 3.03], [33.68, 2.68], [34.03, 2.53], [34.25, 2.0], [34.03, 1.47], [33.68, 1.32], [33.63, 1.2], [34.03, 1.03], [34.25, 0.5], [34.03, -0.03], [33.5, -0.25], [33.25, -0.15], [33.18, -0.18], [33.03, -0.53], [32.68, -0.68], [32.53, -1.03], [32.18, -1.18], [32.15, -1.25], [32.25, -1.5], [32.03, -2.03], [31.5, -2.25], [31.25, -2.15], [31.0, -2.25], [30.75, -2.15], [30.5, -2.25], [30.25, -2.15], [30.0, -2.25], [29.47, -2.03], [29.25, -1.5], [29.47, -0.97], [29.82, -0.82], [29.85, -0.75], [29.75, -0.5]]]]}, "2016-04-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[29.75, -0.5], [29.97, 0.03], [30.32, 0.18], [30.35, 0.25], [30.25, 0.5], [30.47, 1.03], [30.82, 1.18], [30.85, 1.25], [30.75, 1.5], [30.85, 1.75], [30.75, 2.0], [30.97, 2.53], [31.32, 2.68], [31.35, 2.75], [31.25, 3.0], [31.47, 3.53], [32.0, 3.75], [32.25, 3.65], [32.5, 3.75], [33.03, 3.53], [33.18, 3.18], [33.53, 3.03], [33.68, 2.68], [34.03, 2.53], [34.25, 2.0], [34.03, 1.47], [33.68, 1.32], [33.63, 1.2], [34.03, 1.03], [34.25, 0.5], [34.03, -0.03], [33.5, -0.25], [33.25, -0.15], [33.18, -0.18], [33.03, -0.53], [32.68, -0.68], [32.53, -1.03], [32.18, -1.18], [32.15, -1.25], [32.25, -1.5], [32.03, -2.03], [31.5, -2.25], [31.25, -2.15], [31.0, -2.25], [30.75, -2.15], [30.5, -2.25], [30.25, -2.15], [30.0, -2.25], [29.47, -2.03], [29.25, -1.5], [29.47, -0.97], [29.82, -0.82], [29.85, -0.75], [29.75, -0.5]]]]}, "2016-04-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[29.75, -0.5], [29.97, 0.03], [30.32, 0.18], [30.47, 0.53], [30.82, 0.68], [30.85, 0.75], [30.75, 1.0], [30.85, 1.25], [30.75, 1.5], [30.85, 1.75], [30.75, 2.0], [30.97, 2.53], [31.32, 2.68], [31.35, 2.75], [31.25, 3.0], [31.47, 3.53], [32.0, 3.75], [32.25, 3.65], [32.5, 3.75], [33.03, 3.53], [33.18, 3.18], [33.53, 3.03], [33.68, 2.68], [34.03, 2.53], [34.25, 2.0], [34.03, 1.47], [33.68, 1.32], [33.63, 1.2], [34.03, 1.03], [34.25, 0.5], [34.03, -0.03], [33.5, -0.25], [33.25, -0.15], [33.18, -0.18], [33.03, -0.53], [32.68, -0.68], [32.53, -1.03], [32.18, -1.18], [32.15, -1.25], [32.25, -1.5], [32.03, -2.03], [31.5, -2.25], [31.25, -2.15], [31.0, -2.25], [30.75, -2.15], [30.5, -2.25], [30.25, -2.15], [30.0, -2.25], [29.47, -2.03], [29.25, -1.5], [29.47, -0.97], [29.82, -0.82], [29.85, -0.75], [29.75, -0.5]]]]}, "2016-04-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[29.75, -0.5], [29.97, 0.03], [30.5, 0.25], [30.75, 0.15], [30.82, 0.18], [30.85, 0.25], [30.75, 0.5], [30.97, 1.03], [31.5, 1.25], [31.75, 1.15], [32.0, 1.25], [32.53, 1.03], [32.75, 0.5], [32.53, -0.03], [32.18, -0.18], [32.15, -0.25], [32.25, -0.5], [32.15, -0.75], [32.25, -1.0], [32.15, -1.25], [32.25, -1.5], [32.03, -2.03], [31.5, -2.25], [31.25, -2.15], [31.0, -2.25], [30.75, -2.15], [30.5, -2.25], [30.25, -2.15], [30.0, -2.25], [29.47, -2.03], [29.25, -1.5], [29.47, -0.97], [29.82, -0.82], [29.85, -0.75], [29.75, -0.5]]]]}, "2016-04-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[32.0, 1.25], [32.53, 1.03], [32.75, 0.5], [32.53, -0.03], [32.0, -0.25], [31.47, -0.03], [31.25, 0.5], [31.47, 1.03], [32.0, 1.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.98083936141461}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.621347513570875}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [22.7708756764589, 24.20586788821737, 23.852498424067107, 23.731040137079503, 22.24520525382968, 22.14526906022246]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [24.284306610062288, 27.725894732539416, 27.543448541809596, 26.65587663120266, 23.202919230313967, 22.14526906022246]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.5341348814208065, 1.9108138701639812, 1.5895982356267875, 1.4604282681735172, 1.506351395533692, 0.9476061688478694]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.4518909573018846, 2.98083936141461, 2.848521010327545, 2.0958639354228694, 1.9631988559157776, 0.9476061688478694]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.8132870411647748, 2.015828089655427, 1.7176813231437797, 1.627356718326036, 1.9132802412927095, 1.3097630128503988]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.6541439706447907, 2.787140974719109, 2.223815737928115, 2.200985209145086, 2.634065583972133, 1.3097630128503988]}}