{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:55:49.684898", "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": "2014-Feb-27_to_2014-Mar-06_31.5_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": 2014020002360}, "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": "February 27 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 06 2014"}, "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": 185282.1856634511}, "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", "Kenya", "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": 31.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "31.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 30.25}, "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": -5.25}, "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": {"2014-02-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[33.47, 1.53], [34.0, 1.75], [34.53, 1.53], [34.68, 1.18], [35.03, 1.03], [35.25, 0.5], [35.03, -0.03], [34.5, -0.25], [33.97, -0.03], [33.82, 0.32], [33.47, 0.47], [33.25, 1.0], [33.47, 1.53]]], [[[31.5, 2.25], [32.03, 2.03], [32.25, 1.5], [32.15, 1.25], [32.25, 1.0], [32.03, 0.47], [31.5, 0.25], [30.97, 0.47], [30.75, 1.0], [30.85, 1.25], [30.75, 1.5], [30.97, 2.03], [31.5, 2.25]]]]}, "2014-02-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[29.97, -1.53], [29.75, -1.0], [29.97, -0.47], [30.5, -0.25], [31.03, -0.47], [31.25, -1.0], [31.03, -1.53], [30.5, -1.75], [29.97, -1.53]]], [[[30.75, 1.5], [30.97, 2.03], [31.5, 2.25], [31.75, 2.15], [32.0, 2.25], [32.43, 2.07], [32.25, 2.5], [32.35, 2.75], [32.25, 3.0], [32.47, 3.53], [33.0, 3.75], [33.53, 3.53], [33.68, 3.18], [34.03, 3.03], [34.25, 2.5], [34.15, 2.25], [34.18, 2.18], [34.53, 2.03], [34.75, 1.5], [34.65, 1.25], [34.68, 1.18], [35.03, 1.03], [35.25, 0.5], [35.03, -0.03], [34.5, -0.25], [34.25, -0.15], [34.0, -0.25], [33.75, -0.15], [33.5, -0.25], [33.25, -0.15], [33.0, -0.25], [32.47, -0.03], [32.3, 0.38], [32.18, 0.32], [32.03, -0.03], [31.5, -0.25], [30.97, -0.03], [30.75, 0.5], [30.85, 0.75], [30.75, 1.0], [30.85, 1.25], [30.75, 1.5]], [[32.97, 1.47], [32.82, 1.82], [32.57, 1.93], [32.75, 1.5], [32.65, 1.25], [32.7, 1.12], [33.0, 1.25], [33.25, 1.15], [33.32, 1.18], [33.35, 1.25], [33.32, 1.32], [32.97, 1.47]]]]}, "2014-03-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[31.47, -3.53], [31.25, -3.0], [31.47, -2.47], [32.0, -2.25], [32.53, -2.47], [32.75, -3.0], [32.53, -3.53], [32.0, -3.75], [31.47, -3.53]]], [[[29.75, 0.0], [29.85, 0.25], [29.75, 0.5], [29.97, 1.03], [30.5, 1.25], [30.75, 1.15], [30.82, 1.18], [30.85, 1.25], [30.75, 1.5], [30.97, 2.03], [31.32, 2.18], [31.47, 2.53], [32.0, 2.75], [32.3, 2.62], [32.35, 2.75], [32.25, 3.0], [32.47, 3.53], [33.0, 3.75], [33.53, 3.53], [33.68, 3.18], [34.03, 3.03], [34.25, 2.5], [34.15, 2.25], [34.18, 2.18], [34.53, 2.03], [34.75, 1.5], [34.65, 1.25], [34.68, 1.18], [35.03, 1.03], [35.25, 0.5], [35.03, -0.03], [34.5, -0.25], [34.25, -0.15], [34.0, -0.25], [33.75, -0.15], [33.5, -0.25], [33.25, -0.15], [33.0, -0.25], [32.47, -0.03], [32.3, 0.38], [32.18, 0.32], [32.03, -0.03], [31.5, -0.25], [31.25, -0.15], [31.18, -0.18], [31.15, -0.25], [31.18, -0.32], [31.53, -0.47], [31.75, -1.0], [31.53, -1.53], [31.0, -1.75], [30.75, -1.65], [30.5, -1.75], [29.97, -1.53], [29.75, -1.0], [29.85, -0.75], [29.75, -0.5], [29.85, -0.25], [29.75, 0.0]], [[32.97, 1.47], [32.82, 1.82], [32.7, 1.88], [32.65, 1.75], [32.75, 1.5], [32.65, 1.25], [32.7, 1.12], [33.0, 1.25], [33.25, 1.15], [33.32, 1.18], [33.35, 1.25], [33.32, 1.32], [32.97, 1.47]]]]}, "2014-03-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[29.85, -3.25], [29.75, -3.0], [29.97, -2.47], [30.32, -2.32], [30.35, -2.25], [30.25, -2.0], [30.38, -1.7], [29.97, -1.53], [29.75, -1.0], [29.85, -0.75], [29.75, -0.5], [29.85, -0.25], [29.75, 0.0], [29.85, 0.25], [29.75, 0.5], [29.97, 1.03], [30.5, 1.25], [30.75, 1.15], [30.82, 1.18], [30.97, 1.53], [31.32, 1.68], [31.35, 1.75], [31.25, 2.0], [31.47, 2.53], [32.0, 2.75], [32.3, 2.62], [32.35, 2.75], [32.25, 3.0], [32.47, 3.53], [33.0, 3.75], [33.53, 3.53], [33.68, 3.18], [34.03, 3.03], [34.25, 2.5], [34.15, 2.25], [34.18, 2.18], [34.53, 2.03], [34.75, 1.5], [34.65, 1.25], [34.68, 1.18], [35.03, 1.03], [35.25, 0.5], [35.03, -0.03], [34.5, -0.25], [34.25, -0.15], [34.0, -0.25], [33.75, -0.15], [33.5, -0.25], [33.25, -0.15], [33.0, -0.25], [32.47, -0.03], [32.32, 0.32], [32.25, 0.35], [32.18, 0.32], [32.04, 0.0], [32.25, -0.5], [32.15, -0.75], [32.25, -1.0], [32.15, -1.25], [32.18, -1.32], [32.25, -1.35], [32.5, -1.25], [33.0, -1.46], [33.5, -1.25], [34.03, -1.47], [34.25, -2.0], [34.03, -2.53], [33.68, -2.68], [33.53, -3.03], [33.0, -3.25], [32.7, -3.12], [32.53, -3.53], [32.18, -3.68], [32.15, -3.75], [32.18, -3.82], [32.25, -3.85], [32.5, -3.75], [32.75, -3.85], [33.0, -3.75], [33.53, -3.97], [33.68, -4.32], [34.03, -4.47], [34.25, -5.0], [34.03, -5.53], [33.5, -5.75], [32.97, -5.53], [32.82, -5.18], [32.75, -5.15], [32.5, -5.25], [32.25, -5.15], [32.0, -5.25], [31.5, -5.04], [31.0, -5.25], [30.47, -5.03], [30.32, -4.68], [29.97, -4.53], [29.75, -4.0], [29.85, -3.75], [29.75, -3.5], [29.85, -3.25]]]]}, "2014-03-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[29.85, -3.25], [29.75, -3.0], [29.97, -2.47], [30.32, -2.32], [30.35, -2.25], [30.25, -2.0], [30.38, -1.7], [29.97, -1.53], [29.75, -1.0], [29.85, -0.75], [29.75, -0.5], [29.85, -0.25], [29.75, 0.0], [29.85, 0.25], [29.75, 0.5], [29.97, 1.03], [30.5, 1.25], [30.75, 1.15], [30.82, 1.18], [30.97, 1.53], [31.32, 1.68], [31.35, 1.75], [31.25, 2.0], [31.47, 2.53], [32.0, 2.75], [32.43, 2.57], [32.25, 3.0], [32.47, 3.53], [33.0, 3.75], [33.53, 3.53], [33.75, 3.0], [33.53, 2.47], [33.0, 2.25], [33.53, 2.03], [33.75, 1.5], [33.65, 1.25], [33.68, 1.18], [33.75, 1.15], [34.0, 1.25], [34.53, 1.03], [34.75, 0.5], [34.53, -0.03], [34.0, -0.25], [33.75, -0.15], [33.5, -0.25], [33.25, -0.15], [33.0, -0.25], [32.47, -0.03], [32.32, 0.32], [32.25, 0.35], [32.18, 0.32], [32.04, 0.0], [32.25, -0.5], [32.15, -0.75], [32.25, -1.0], [32.15, -1.25], [32.18, -1.32], [32.25, -1.35], [32.5, -1.25], [33.0, -1.46], [33.5, -1.25], [34.03, -1.47], [34.25, -2.0], [34.03, -2.53], [33.68, -2.68], [33.53, -3.03], [33.0, -3.25], [32.7, -3.12], [32.53, -3.53], [32.18, -3.68], [32.15, -3.75], [32.18, -3.82], [32.25, -3.85], [32.5, -3.75], [32.75, -3.85], [33.0, -3.75], [33.25, -3.85], [33.32, -3.82], [33.47, -3.47], [34.0, -3.25], [34.53, -3.47], [34.75, -4.0], [34.53, -4.53], [34.18, -4.68], [34.15, -4.75], [34.25, -5.0], [34.03, -5.53], [33.5, -5.75], [33.25, -5.65], [33.0, -5.75], [32.47, -5.53], [32.32, -5.18], [32.25, -5.15], [32.0, -5.25], [31.5, -5.04], [31.0, -5.25], [30.47, -5.03], [30.32, -4.68], [29.97, -4.53], [29.75, -4.0], [29.85, -3.75], [29.75, -3.5], [29.85, -3.25]], [[32.57, 2.43], [32.68, 2.18], [32.75, 2.15], [33.0, 2.25], [32.57, 2.43]]]]}, "2014-03-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[29.85, -3.25], [29.75, -3.0], [29.97, -2.47], [30.32, -2.32], [30.35, -2.25], [30.25, -2.0], [30.38, -1.7], [29.97, -1.53], [29.75, -1.0], [29.85, -0.75], [29.75, -0.5], [29.85, -0.25], [29.75, 0.0], [29.97, 0.53], [30.5, 0.75], [30.93, 0.57], [30.75, 1.0], [30.97, 1.53], [31.32, 1.68], [31.35, 1.75], [31.25, 2.0], [31.47, 2.53], [31.82, 2.68], [31.97, 3.03], [32.32, 3.18], [32.47, 3.53], [33.0, 3.75], [33.53, 3.53], [33.75, 3.0], [33.65, 2.75], [33.68, 2.68], [34.03, 2.53], [34.25, 2.0], [34.15, 1.75], [34.18, 1.68], [34.53, 1.53], [34.75, 1.0], [34.65, 0.75], [34.75, 0.5], [34.53, -0.03], [34.0, -0.25], [33.75, -0.15], [33.5, -0.25], [33.25, -0.15], [33.0, -0.25], [32.47, -0.03], [32.32, 0.32], [32.25, 0.35], [32.0, 0.25], [31.75, 0.35], [31.5, 0.25], [32.03, 0.03], [32.25, -0.5], [32.15, -0.75], [32.25, -1.0], [32.15, -1.25], [32.18, -1.32], [32.25, -1.35], [32.5, -1.25], [33.0, -1.46], [33.5, -1.25], [34.03, -1.47], [34.25, -2.0], [34.03, -2.53], [33.68, -2.68], [33.53, -3.03], [33.0, -3.25], [32.7, -3.12], [32.53, -3.53], [32.18, -3.68], [32.15, -3.75], [32.18, -3.82], [32.25, -3.85], [32.5, -3.75], [32.75, -3.85], [33.0, -3.75], [33.25, -3.85], [33.32, -3.82], [33.47, -3.47], [34.0, -3.25], [34.53, -3.47], [34.75, -4.0], [34.53, -4.53], [34.18, -4.68], [34.15, -4.75], [34.25, -5.0], [34.03, -5.53], [33.5, -5.75], [33.25, -5.65], [33.0, -5.75], [32.47, -5.53], [32.32, -5.18], [32.25, -5.15], [32.0, -5.25], [31.5, -5.04], [31.0, -5.25], [30.47, -5.03], [30.32, -4.68], [29.97, -4.53], [29.75, -4.0], [29.85, -3.75], [29.75, -3.5], [29.85, -3.25]], [[31.07, 0.43], [31.2, 0.13], [31.5, 0.25], [31.07, 0.43]]]]}, "2014-03-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[34.03, -1.47], [34.25, -2.0], [34.03, -2.53], [33.5, -2.75], [32.97, -2.53], [32.75, -2.0], [32.97, -1.47], [33.5, -1.25], [34.03, -1.47]]], [[[29.75, 0.0], [29.97, 0.53], [30.5, 0.75], [30.93, 0.57], [30.75, 1.0], [30.97, 1.53], [31.32, 1.68], [31.47, 2.03], [31.82, 2.18], [31.85, 2.25], [31.75, 2.5], [31.97, 3.03], [32.32, 3.18], [32.47, 3.53], [33.0, 3.75], [33.53, 3.53], [33.75, 3.0], [33.65, 2.75], [33.68, 2.68], [34.03, 2.53], [34.25, 2.0], [34.15, 1.75], [34.18, 1.68], [34.53, 1.53], [34.75, 1.0], [34.65, 0.75], [34.75, 0.5], [34.53, -0.03], [34.0, -0.25], [33.75, -0.15], [33.5, -0.25], [33.25, -0.15], [33.0, -0.25], [32.47, -0.03], [32.32, 0.32], [32.25, 0.35], [32.0, 0.25], [31.75, 0.35], [31.5, 0.25], [32.03, 0.03], [32.25, -0.5], [32.15, -0.75], [32.25, -1.0], [32.15, -1.25], [32.18, -1.32], [32.53, -1.47], [32.75, -2.0], [32.65, -2.25], [32.75, -2.5], [32.65, -2.75], [32.75, -3.0], [32.53, -3.53], [32.18, -3.68], [32.15, -3.75], [32.18, -3.82], [32.25, -3.85], [32.5, -3.75], [32.75, -3.85], [33.0, -3.75], [33.25, -3.85], [33.32, -3.82], [33.47, -3.47], [34.0, -3.25], [34.53, -3.47], [34.75, -4.0], [34.53, -4.53], [34.18, -4.68], [34.15, -4.75], [34.25, -5.0], [34.03, -5.53], [33.5, -5.75], [33.25, -5.65], [33.0, -5.75], [32.47, -5.53], [32.32, -5.18], [32.25, -5.15], [32.0, -5.25], [31.5, -5.04], [31.0, -5.25], [30.47, -5.03], [30.25, -4.5], [30.46, -4.0], [30.25, -3.5], [30.35, -3.25], [30.25, -3.0], [30.35, -2.75], [30.25, -2.5], [30.35, -2.25], [30.25, -2.0], [30.38, -1.7], [29.97, -1.53], [29.75, -1.0], [29.85, -0.75], [29.75, -0.5], [29.85, -0.25], [29.75, 0.0]], [[31.07, 0.43], [31.2, 0.13], [31.5, 0.25], [31.07, 0.43]]]]}, "2014-03-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[32.47, -3.97], [33.0, -3.75], [33.53, -3.97], [33.68, -4.32], [34.03, -4.47], [34.25, -5.0], [34.03, -5.53], [33.5, -5.75], [32.97, -5.53], [32.82, -5.18], [32.47, -5.03], [32.25, -4.5], [32.47, -3.97]]], [[[32.25, -0.5], [32.15, -0.75], [32.25, -1.0], [32.04, -1.5], [32.25, -2.0], [32.15, -2.25], [32.25, -2.5], [32.03, -3.03], [31.5, -3.25], [30.97, -3.03], [30.75, -2.5], [30.85, -2.25], [30.75, -2.0], [30.88, -1.7], [30.47, -1.53], [30.25, -1.0], [30.47, -0.47], [30.82, -0.32], [30.97, 0.03], [31.5, 0.25], [32.03, 0.03], [32.25, -0.5]]], [[[31.32, 1.68], [31.47, 2.03], [31.82, 2.18], [31.85, 2.25], [31.75, 2.5], [31.97, 3.03], [32.5, 3.25], [32.75, 3.15], [33.0, 3.25], [33.53, 3.03], [33.68, 2.68], [34.03, 2.53], [34.25, 2.0], [34.15, 1.75], [34.18, 1.68], [34.53, 1.53], [34.75, 1.0], [34.53, 0.47], [34.0, 0.25], [33.75, 0.35], [33.5, 0.25], [33.25, 0.35], [33.0, 0.25], [32.75, 0.35], [32.5, 0.25], [32.25, 0.35], [32.0, 0.25], [31.75, 0.35], [31.5, 0.25], [30.97, 0.47], [30.75, 1.0], [30.97, 1.53], [31.32, 1.68]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.9003311800759093}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.2314085729985447}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.113737519671872, 26.794593380995025, 26.152059666563446, 25.535069078928473, 25.061754476538795, 25.608368947348538, 25.853679051730523, 26.63188418466683]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.526554796519235, 29.495749398060354, 29.382745913744145, 29.626725264427307, 29.270850124181322, 29.681584970779113, 29.542972279080573, 29.269649364534757]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.0499821452992535, 2.256032395771843, 2.1724662765945557, 2.2936360929660498, 2.0869728466667383, 2.168314834176045, 2.3492918032483785, 2.3917918242080796]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.2465443622385806, 2.9547788946259175, 2.866826806528991, 3.070262969410237, 3.1445784516297977, 3.104085067038625, 3.9003311800759093, 3.600572697583175]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3948838154433738, 1.5222511203386484, 1.5365852149063064, 1.8489310397153693, 1.6803608036301945, 1.6603379716836326, 1.7869542110891385, 1.6828612446140316]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6126274265309835, 1.9335114939798306, 1.9247393288834225, 2.7258284120821443, 2.2357071615277393, 2.1981295813206985, 2.48154790497911, 2.398783390290559]}}