{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:02:01.645590", "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-Dec-27_to_2015-Jan-10_32.5_-0.5"}, "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": 2014120002785}, "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": "December 27 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 10 2015"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 15}, "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": 95794.58141818216}, "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": ["Congo DRC", "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": -0.5}, "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": 32.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "32.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 27.75}, "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": -1.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 2.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-12-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[28.5, 3.25], [28.75, 3.15], [29.0, 3.25], [29.25, 3.15], [29.5, 3.25], [30.03, 3.03], [30.18, 2.68], [30.53, 2.53], [30.75, 2.0], [30.54, 1.5], [30.75, 1.0], [30.53, 0.47], [30.0, 0.25], [29.5, 0.46], [29.0, 0.25], [28.47, 0.47], [28.25, 1.0], [28.35, 1.25], [28.32, 1.32], [28.25, 1.35], [28.0, 1.25], [27.47, 1.47], [27.25, 2.0], [27.47, 2.53], [27.82, 2.68], [27.97, 3.03], [28.5, 3.25]]]]}, "2014-12-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[28.5, 3.25], [28.75, 3.15], [29.0, 3.25], [29.25, 3.15], [29.5, 3.25], [30.03, 3.03], [30.18, 2.68], [30.25, 2.65], [30.5, 2.75], [31.03, 2.53], [31.18, 2.18], [31.53, 2.03], [31.75, 1.5], [31.53, 0.97], [31.0, 0.75], [30.75, 0.85], [30.68, 0.82], [30.53, 0.47], [30.0, 0.25], [29.5, 0.46], [29.0, 0.25], [28.47, 0.47], [28.25, 1.0], [28.35, 1.25], [28.32, 1.32], [28.25, 1.35], [28.0, 1.25], [27.47, 1.47], [27.25, 2.0], [27.47, 2.53], [27.82, 2.68], [27.97, 3.03], [28.5, 3.25]]]]}, "2014-12-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[28.5, 3.25], [28.75, 3.15], [29.0, 3.25], [29.25, 3.15], [29.5, 3.25], [30.03, 3.03], [30.18, 2.68], [30.25, 2.65], [30.5, 2.75], [31.03, 2.53], [31.18, 2.18], [31.53, 2.03], [31.75, 1.5], [31.53, 0.97], [31.18, 0.82], [31.03, 0.47], [30.5, 0.25], [30.25, 0.35], [30.0, 0.25], [29.5, 0.46], [29.0, 0.25], [28.47, 0.47], [28.25, 1.0], [28.35, 1.25], [28.32, 1.32], [28.25, 1.35], [28.0, 1.25], [27.47, 1.47], [27.25, 2.0], [27.47, 2.53], [27.82, 2.68], [27.97, 3.03], [28.5, 3.25]]]]}, "2014-12-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[29.85, 1.75], [29.75, 2.0], [29.97, 2.53], [30.5, 2.75], [31.03, 2.53], [31.18, 2.18], [31.53, 2.03], [31.75, 1.5], [31.53, 0.97], [31.18, 0.82], [31.03, 0.47], [30.5, 0.25], [29.97, 0.47], [29.75, 1.0], [29.85, 1.25], [29.75, 1.5], [29.85, 1.75]]]]}, "2014-12-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[31.0, 2.25], [31.53, 2.03], [31.75, 1.5], [31.65, 1.25], [31.68, 1.18], [32.03, 1.03], [32.25, 0.5], [32.03, -0.03], [31.5, -0.25], [30.97, -0.03], [30.82, 0.32], [30.75, 0.35], [30.5, 0.25], [29.97, 0.47], [29.75, 1.0], [29.97, 1.53], [30.32, 1.68], [30.47, 2.03], [31.0, 2.25]]]]}, "2015-01-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[30.25, 1.0], [30.47, 1.53], [31.0, 1.75], [31.25, 1.65], [31.5, 1.75], [32.03, 1.53], [32.25, 1.0], [32.15, 0.75], [32.25, 0.5], [32.03, -0.03], [31.5, -0.25], [30.97, -0.03], [30.82, 0.32], [30.47, 0.47], [30.25, 1.0]]]]}, "2015-01-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[30.25, 1.0], [30.47, 1.53], [31.0, 1.75], [31.25, 1.65], [31.5, 1.75], [32.03, 1.53], [32.18, 1.18], [32.53, 1.03], [32.68, 0.68], [32.75, 0.65], [33.0, 0.75], [33.53, 0.53], [33.75, 0.0], [33.65, -0.25], [33.75, -0.5], [33.53, -1.03], [33.0, -1.25], [32.75, -1.15], [32.68, -1.18], [32.53, -1.53], [32.0, -1.75], [31.47, -1.53], [31.25, -1.0], [31.35, -0.75], [31.25, -0.5], [31.35, -0.25], [31.32, -0.18], [30.97, -0.03], [30.82, 0.32], [30.47, 0.47], [30.25, 1.0]]]]}, "2015-01-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[30.97, 1.53], [31.5, 1.75], [32.03, 1.53], [32.18, 1.18], [32.53, 1.03], [32.68, 0.68], [32.75, 0.65], [33.0, 0.75], [33.53, 0.53], [33.75, 0.0], [33.65, -0.25], [33.75, -0.5], [33.53, -1.03], [33.0, -1.25], [32.75, -1.15], [32.68, -1.18], [32.53, -1.53], [32.0, -1.75], [31.47, -1.53], [31.25, -1.0], [31.35, -0.75], [31.25, -0.5], [31.35, -0.25], [31.32, -0.18], [30.97, -0.03], [30.75, 0.5], [30.85, 0.75], [30.75, 1.0], [30.97, 1.53]]]]}, "2015-01-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[31.35, -0.25], [31.25, 0.0], [31.35, 0.25], [31.25, 0.5], [31.47, 1.03], [32.0, 1.25], [32.53, 1.03], [32.68, 0.68], [32.75, 0.65], [33.0, 0.75], [33.53, 0.53], [33.68, 0.18], [34.03, 0.03], [34.25, -0.5], [34.03, -1.03], [33.68, -1.18], [33.53, -1.53], [33.0, -1.75], [32.75, -1.65], [32.5, -1.75], [32.25, -1.65], [32.0, -1.75], [31.47, -1.53], [31.25, -1.0], [31.35, -0.75], [31.25, -0.5], [31.35, -0.25]]]]}, "2015-01-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[31.35, -0.25], [31.25, 0.0], [31.47, 0.53], [32.0, 0.75], [32.25, 0.65], [32.5, 0.75], [32.75, 0.65], [33.0, 0.75], [33.25, 0.65], [33.5, 0.75], [34.03, 0.53], [34.25, 0.0], [34.15, -0.25], [34.25, -0.5], [34.03, -1.03], [33.68, -1.18], [33.53, -1.53], [33.0, -1.75], [32.75, -1.65], [32.5, -1.75], [32.25, -1.65], [32.0, -1.75], [31.47, -1.53], [31.25, -1.0], [31.35, -0.75], [31.25, -0.5], [31.35, -0.25]]]]}, "2015-01-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[31.47, 0.53], [32.0, 0.75], [32.25, 0.65], [32.5, 0.75], [32.75, 0.65], [33.0, 0.75], [33.25, 0.65], [33.5, 0.75], [34.03, 0.53], [34.25, 0.0], [34.15, -0.25], [34.25, -0.5], [34.03, -1.03], [33.68, -1.18], [33.53, -1.53], [33.0, -1.75], [32.75, -1.65], [32.5, -1.75], [31.97, -1.53], [31.82, -1.18], [31.47, -1.03], [31.25, -0.5], [31.35, -0.25], [31.25, 0.0], [31.47, 0.53]]]]}, "2015-01-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[31.47, 0.03], [31.82, 0.18], [31.97, 0.53], [32.5, 0.75], [32.75, 0.65], [33.0, 0.75], [33.25, 0.65], [33.5, 0.75], [34.03, 0.53], [34.25, 0.0], [34.15, -0.25], [34.25, -0.5], [34.03, -1.03], [33.68, -1.18], [33.53, -1.53], [33.0, -1.75], [32.75, -1.65], [32.5, -1.75], [32.25, -1.65], [32.0, -1.75], [31.47, -1.53], [31.25, -1.0], [31.35, -0.75], [31.25, -0.5], [31.47, 0.03]]]]}, "2015-01-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[31.47, 0.03], [31.82, 0.18], [31.97, 0.53], [32.5, 0.75], [32.75, 0.65], [33.0, 0.75], [33.25, 0.65], [33.5, 0.75], [34.03, 0.53], [34.25, 0.0], [34.15, -0.25], [34.25, -0.5], [34.03, -1.03], [33.68, -1.18], [33.53, -1.53], [33.0, -1.75], [32.75, -1.65], [32.5, -1.75], [32.25, -1.65], [32.0, -1.75], [31.47, -1.53], [31.25, -1.0], [31.35, -0.75], [31.25, -0.5], [31.47, 0.03]]]]}, "2015-01-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[31.47, 0.03], [31.82, 0.18], [31.97, 0.53], [32.5, 0.75], [32.75, 0.65], [33.0, 0.75], [33.25, 0.65], [33.5, 0.75], [34.03, 0.53], [34.25, 0.0], [34.15, -0.25], [34.25, -0.5], [34.03, -1.03], [33.68, -1.18], [33.53, -1.53], [33.0, -1.75], [32.75, -1.65], [32.5, -1.75], [32.25, -1.65], [32.0, -1.75], [31.47, -1.53], [31.25, -1.0], [31.35, -0.75], [31.25, -0.5], [31.47, 0.03]]]]}, "2015-01-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[32.5, 0.25], [33.03, 0.03], [33.25, -0.5], [33.03, -1.03], [32.5, -1.25], [31.97, -1.03], [31.75, -0.5], [31.97, 0.03], [32.5, 0.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.8909059884993553}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.8686053140496472}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [24.877892269681467, 24.894176213303012, 25.197718072534656, 24.70170021886338, 25.10983984213192, 24.333939550428624, 25.085347486731223, 24.990569924607144, 25.317002301611467, 25.544469919901246, 25.47006331405521, 25.527468922282594, 26.055546647608764, 25.616011601764285, 25.129447726845285]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.858216358756636, 26.940583572328364, 27.243491223459728, 26.92966916597112, 27.07892038543463, 25.15436277088537, 26.151570574098116, 25.789157690251102, 25.881612705026612, 26.11190851750473, 25.95144216629558, 26.138170320682036, 26.547383084550233, 26.218369827308095, 25.129447726845285]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.7812227418834112, 1.7542985761567327, 1.8881066442468963, 1.2439090686357588, 1.4767472186517665, 1.8054883674878397, 1.9918149120635669, 1.810332741908951, 1.858371050092661, 1.898563774257613, 1.831388855359768, 1.8489146442721562, 2.402875171080865, 1.9966730253786693, 1.5314937537791025]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.1073719996007867, 2.2266769270241866, 2.6074636102194972, 1.4797300517178655, 1.9583968170726394, 1.9525536064745097, 2.5910321143200576, 2.421038082552286, 2.126093914723242, 2.1715504409421555, 2.037466677509883, 2.2730729690433122, 2.8909059884993553, 2.5641687190958464, 1.5314937537791025]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5321913764330848, 1.6246614085902094, 1.8962253256948653, 1.5576701325810118, 1.5644292985894972, 1.621203370343258, 2.0416922074659145, 1.809006256549551, 1.8664438812759245, 1.8195568737758365, 1.7325263135804085, 1.782302544610357, 2.324226360807477, 1.9122197540207762, 1.459474376867751]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.663312386579073, 1.9761761766082266, 3.0404312567147636, 1.7597379671232694, 1.6238805983167055, 1.6785811745095873, 2.494526967066413, 2.0163061253689794, 2.252607117752932, 2.0289605080870037, 1.908021337948556, 2.082814278869211, 2.7179335583663558, 2.368932799261854, 1.459474376867751]}}