{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:03:18.006104", "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": "2015-Jun-15_to_2015-Jun-19_30.0_-3.0"}, "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": 2015060002215}, "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": "June 15 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 19 2015"}, "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": 58570.027077778555}, "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": ["Burundi", "Congo DRC", "Tanzania"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["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": -3.0}, "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": 30.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "30.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 28.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 31.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -5.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -2.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-06-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[27.97, -5.03], [27.75, -4.5], [27.97, -3.97], [28.5, -3.75], [29.03, -3.97], [29.25, -4.5], [29.03, -5.03], [28.5, -5.25], [27.97, -5.03]]], [[[29.25, -3.0], [29.35, -2.75], [29.25, -2.5], [29.47, -1.97], [30.0, -1.75], [30.25, -1.85], [30.5, -1.75], [30.75, -1.85], [31.0, -1.75], [31.53, -1.97], [31.75, -2.5], [31.53, -3.03], [31.18, -3.18], [31.03, -3.53], [30.68, -3.68], [30.65, -3.75], [30.75, -4.0], [30.53, -4.53], [30.0, -4.75], [29.47, -4.53], [29.25, -4.0], [29.35, -3.75], [29.25, -3.5], [29.35, -3.25], [29.25, -3.0]]]]}, "2015-06-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[27.97, -3.97], [28.5, -3.75], [28.8, -3.87], [28.85, -3.75], [28.75, -3.5], [28.97, -2.97], [29.32, -2.82], [29.35, -2.75], [29.25, -2.5], [29.47, -1.97], [30.0, -1.75], [30.25, -1.85], [30.5, -1.75], [30.75, -1.85], [31.0, -1.75], [31.53, -1.97], [31.75, -2.5], [31.53, -3.03], [31.18, -3.18], [31.03, -3.53], [30.68, -3.68], [30.65, -3.75], [30.75, -4.0], [30.63, -4.3], [31.03, -4.47], [31.25, -5.0], [31.15, -5.25], [31.25, -5.5], [31.03, -6.03], [30.5, -6.25], [30.25, -6.15], [30.0, -6.25], [29.5, -6.04], [29.0, -6.25], [28.75, -6.15], [28.5, -6.25], [27.97, -6.03], [27.75, -5.5], [27.96, -5.0], [27.75, -4.5], [27.97, -3.97]]]]}, "2015-06-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[27.97, -3.97], [28.5, -3.75], [28.8, -3.87], [28.85, -3.75], [28.75, -3.5], [28.97, -2.97], [29.32, -2.82], [29.35, -2.75], [29.25, -2.5], [29.47, -1.97], [30.0, -1.75], [30.25, -1.85], [30.5, -1.75], [30.75, -1.85], [31.0, -1.75], [31.53, -1.97], [31.75, -2.5], [31.53, -3.03], [31.18, -3.18], [31.04, -3.5], [31.25, -4.0], [31.15, -4.25], [31.25, -4.5], [31.15, -4.75], [31.25, -5.0], [31.15, -5.25], [31.25, -5.5], [31.03, -6.03], [30.5, -6.25], [30.25, -6.15], [30.0, -6.25], [29.5, -6.04], [29.0, -6.25], [28.75, -6.15], [28.5, -6.25], [27.97, -6.03], [27.75, -5.5], [27.96, -5.0], [27.75, -4.5], [27.97, -3.97]]]]}, "2015-06-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[28.82, -4.32], [28.85, -4.25], [28.75, -4.0], [28.85, -3.75], [28.75, -3.5], [28.97, -2.97], [29.32, -2.82], [29.47, -2.47], [29.82, -2.32], [29.97, -1.97], [30.5, -1.75], [31.03, -1.97], [31.25, -2.5], [31.15, -2.75], [31.25, -3.0], [31.04, -3.5], [31.25, -4.0], [31.15, -4.25], [31.25, -4.5], [31.15, -4.75], [31.25, -5.0], [31.15, -5.25], [31.25, -5.5], [31.03, -6.03], [30.5, -6.25], [30.25, -6.15], [30.0, -6.25], [29.5, -6.04], [29.0, -6.25], [28.75, -6.15], [28.5, -6.25], [27.97, -6.03], [27.75, -5.5], [27.97, -4.97], [28.32, -4.82], [28.47, -4.47], [28.82, -4.32]]]]}, "2015-06-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[28.97, -3.47], [29.32, -3.32], [29.35, -3.25], [29.25, -3.0], [29.47, -2.47], [30.0, -2.25], [30.53, -2.47], [30.75, -3.0], [30.65, -3.25], [30.68, -3.32], [31.03, -3.47], [31.25, -4.0], [31.15, -4.25], [31.25, -4.5], [31.03, -5.03], [30.5, -5.25], [30.0, -5.04], [29.5, -5.25], [28.97, -5.03], [28.75, -4.5], [28.85, -4.25], [28.75, -4.0], [28.97, -3.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.098815780336281}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.398459677848529}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [22.030255828349766, 22.3673581008444, 22.848887067912983, 22.36094186755861, 22.24434597411772]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [24.008900825114324, 25.868922594686467, 26.179856366710908, 25.926485205815027, 25.803785955777755]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.346490053782766, 1.2647097552304392, 1.6870357098992874, 1.3260935187160499, 1.1648053370183706]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.7586969891545436, 1.6324975643833568, 2.098815780336281, 1.55755935962776, 1.2788191711894115]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6844851746758185, 1.6523356888803502, 2.162500210516839, 1.7081145738656187, 1.4929553680913072]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.2986659049343108, 2.1000526265048167, 2.8634024680761065, 1.9913940988694723, 1.7342062063962196]}}