{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:51:31.536384", "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": "2012-Sep-24_to_2012-Oct-01_36.5_-9.5"}, "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": 2012090002532}, "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": "September 24 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 01 2012"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 8}, "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": 73120.07395588214}, "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": ["Tanzania"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Southern-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": -9.5}, "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": 36.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "36.5\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": 37.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -11.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -7.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-09-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[35.97, -8.97], [36.5, -8.75], [37.03, -8.97], [37.25, -9.5], [37.15, -9.75], [37.25, -10.0], [37.03, -10.53], [36.5, -10.75], [35.97, -10.53], [35.75, -10.0], [35.85, -9.75], [35.75, -9.5], [35.97, -8.97]]]]}, "2012-09-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[35.47, -8.97], [36.0, -8.75], [36.25, -8.85], [36.5, -8.75], [37.03, -8.97], [37.18, -9.32], [37.53, -9.47], [37.75, -10.0], [37.53, -10.53], [37.0, -10.75], [36.75, -10.65], [36.5, -10.75], [36.25, -10.65], [36.0, -10.75], [35.47, -10.53], [35.25, -10.0], [35.35, -9.75], [35.25, -9.5], [35.47, -8.97]]]]}, "2012-09-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[35.47, -8.97], [36.0, -8.75], [36.25, -8.85], [36.5, -8.75], [37.03, -8.97], [37.18, -9.32], [37.53, -9.47], [37.75, -10.0], [37.53, -10.53], [37.0, -10.75], [36.75, -10.65], [36.5, -10.75], [36.25, -10.65], [36.0, -10.75], [35.47, -10.53], [35.25, -10.0], [35.35, -9.75], [35.25, -9.5], [35.47, -8.97]]]]}, "2012-09-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": 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over entire duration", "value": 1.5687542796229768}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.14496967900743, 25.59194691497811, 25.0604230733029, 26.000561138745866, 26.021887090839925, 26.234230444177626, 25.810682498982715, 26.033899030519024]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.36799206223418, 26.109426954880973, 25.60224462182049, 27.18055063509371, 27.210389659644704, 28.034854881476804, 27.541375796104035, 27.720639715048776]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.3103657660867896, 1.940306250071103, 1.332778507899718, 1.4242383774286118, 1.313187795875343, 1.815596720806437, 1.483103237899612, 1.6566674819379728]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.32288949498394, 2.309917770925381, 1.5169197366270737, 1.91551013247215, 1.6173251208533088, 2.4569467075166926, 1.8865322505256472, 1.976859703115963]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5453781399336561, 2.3453531325898567, 1.5687018774072652, 1.7271869623162746, 1.5589186450139498, 2.008634381063435, 1.566365574568728, 1.7071892453950896]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5649355371312317, 2.6955539879356376, 1.721202093629513, 2.2601428592016455, 1.961405103814977, 2.8261444122690405, 2.136275462048523, 2.071235621526873]}}