{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:03:04.049648", "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-May-14_to_2015-May-28_322.5_-5.5"}, "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": 2015050001980}, "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": "May 14 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 28 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": 181201.09786498034}, "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": ["Brazil"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.E.South-America"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["South America"]}, "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": ["South Atlantic Ocean"]}, "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": -5.5}, "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": 322.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "322.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 319.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 325.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -9.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -4.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-05-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-37.5, -4.75], [-36.97, -4.97], [-36.75, -5.5], [-36.97, -6.03], [-37.5, -6.25], [-38.03, -6.03], [-38.25, -5.5], [-38.03, -4.97], [-37.5, -4.75]]]]}, "2015-05-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-39.53, -3.97], [-39.0, -3.75], [-38.47, -3.97], [-38.32, -4.32], [-38.25, -4.35], [-38.0, -4.25], [-37.47, -4.47], [-37.32, -4.82], [-36.97, -4.97], [-36.75, -5.5], [-36.97, -6.03], [-37.5, -6.25], [-37.75, -6.15], [-38.0, -6.25], [-38.53, -6.03], [-38.68, -5.68], [-38.75, -5.65], [-39.0, -5.75], [-39.53, -5.53], [-39.75, -5.0], [-39.65, -4.75], [-39.75, -4.5], [-39.53, -3.97]]]]}, "2015-05-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-40.25, -4.5], [-40.03, -3.97], [-39.5, -3.75], [-39.25, -3.85], [-39.0, -3.75], [-38.5, -3.96], [-38.0, -3.75], [-37.47, -3.97], [-37.32, -4.32], [-36.97, -4.47], [-36.75, -5.0], [-36.85, -5.25], [-36.75, -5.5], [-36.97, -6.03], [-37.5, -6.25], [-37.75, -6.15], [-38.0, -6.25], [-38.53, -6.03], [-38.68, -5.68], [-38.75, -5.65], [-39.0, -5.75], [-39.53, -5.53], [-39.68, -5.18], [-40.03, -5.03], [-40.25, -4.5]]]]}, "2015-05-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-40.53, -3.97], [-40.0, -3.75], [-39.75, -3.85], [-39.5, -3.75], [-39.25, -3.85], [-39.0, -3.75], [-38.5, -3.96], [-38.0, -3.75], [-37.47, -3.97], [-37.32, -4.32], [-36.97, -4.47], [-36.75, -5.0], [-36.85, -5.25], [-36.75, -5.5], [-36.97, -6.03], [-37.32, -6.18], [-37.47, -6.53], [-38.0, -6.75], [-38.53, -6.53], [-38.7, -6.12], [-39.0, -6.25], [-39.53, -6.03], [-39.68, -5.68], [-39.75, -5.65], [-40.0, -5.75], [-40.53, -5.53], [-40.75, -5.0], [-40.65, -4.75], [-40.75, -4.5], [-40.53, -3.97]]]]}, "2015-05-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-40.53, -3.97], [-40.0, -3.75], [-39.75, -3.85], [-39.5, -3.75], [-39.25, -3.85], [-39.0, -3.75], [-38.5, -3.96], [-38.0, -3.75], [-37.47, -3.97], [-37.32, -4.32], [-36.97, -4.47], [-36.75, -5.0], [-36.85, -5.25], [-36.75, -5.5], [-36.97, -6.03], [-37.32, -6.18], [-37.47, -6.53], [-38.0, -6.75], [-38.53, -6.53], [-38.7, -6.12], [-39.0, -6.25], [-39.53, -6.03], [-39.68, -5.68], [-39.75, -5.65], [-40.0, -5.75], [-40.53, -5.53], [-40.75, -5.0], [-40.65, -4.75], [-40.75, -4.5], [-40.53, -3.97]]]]}, "2015-05-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-40.53, -3.97], [-40.0, -3.75], [-39.75, -3.85], [-39.5, -3.75], [-39.25, -3.85], [-39.0, -3.75], [-38.5, -3.96], [-38.0, -3.75], [-37.47, -3.97], [-37.32, -4.32], [-36.97, -4.47], [-36.75, -5.0], [-36.97, -5.53], [-37.37, -5.7], [-37.25, -6.0], [-37.47, -6.53], [-38.0, -6.75], [-38.53, -6.53], [-38.7, -6.12], [-39.0, -6.25], [-39.53, -6.03], [-39.68, -5.68], [-39.75, -5.65], [-40.0, -5.75], [-40.53, -5.53], [-40.75, -5.0], [-40.65, -4.75], [-40.75, -4.5], [-40.53, -3.97]], [[-38.3, -5.12], [-38.35, -5.25], [-38.3, -5.38], [-38.12, -5.3], [-38.18, -5.18], [-38.3, -5.12]]]]}, "2015-05-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-36.53, -8.53], [-36.75, -8.0], [-36.53, -7.47], [-36.0, -7.25], [-35.47, -7.47], [-35.25, -8.0], [-35.47, -8.53], [-36.0, -8.75], [-36.53, -8.53]]], [[[-40.03, -3.97], [-39.5, -3.75], [-39.25, -3.85], [-39.0, -3.75], [-38.47, -3.97], [-38.25, -4.5], [-38.35, -4.75], [-38.3, -4.88], [-38.0, -4.75], [-37.75, -4.85], [-37.5, -4.75], [-36.97, -4.97], [-36.75, -5.5], [-36.85, -5.75], [-36.75, -6.0], [-36.97, -6.53], [-37.5, -6.75], [-37.75, -6.65], [-38.0, -6.75], [-38.53, -6.53], [-38.75, -6.0], [-38.65, -5.75], [-38.7, -5.62], [-39.0, -5.75], [-39.53, -5.53], [-39.68, -5.18], [-40.03, -5.03], [-40.25, -4.5], [-40.03, -3.97]]]]}, "2015-05-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-35.35, -7.75], [-35.25, -8.0], [-35.47, -8.53], [-36.0, -8.75], [-36.53, -8.53], [-36.75, -8.0], [-36.65, -7.75], [-36.75, -7.5], [-36.53, -6.97], [-36.0, -6.75], [-35.47, -6.97], [-35.25, -7.5], [-35.35, -7.75]]], [[[-38.53, -4.97], [-38.18, -4.82], [-38.03, -4.47], [-37.5, -4.25], [-37.25, -4.35], [-37.0, -4.25], [-36.47, -4.47], [-36.32, -4.82], [-35.97, -4.97], [-35.82, -5.32], [-35.47, -5.47], [-35.25, -6.0], [-35.47, -6.53], [-36.0, -6.75], [-36.53, -6.53], [-36.68, -6.18], [-36.75, -6.15], [-36.82, -6.18], [-36.97, -6.53], [-37.5, -6.75], [-38.03, -6.53], [-38.18, -6.18], [-38.53, -6.03], [-38.75, -5.5], [-38.53, -4.97]]]]}, "2015-05-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-39.03, -6.03], [-39.25, -5.5], [-39.03, -4.97], [-38.5, -4.75], [-38.25, -4.85], [-38.18, -4.82], [-38.03, -4.47], [-37.5, -4.25], [-37.25, -4.35], [-37.0, -4.25], [-36.47, -4.47], [-36.32, -4.82], [-35.97, -4.97], [-35.82, -5.32], [-35.47, -5.47], [-35.32, -5.82], [-34.97, -5.97], [-34.75, -6.5], [-34.85, -6.75], [-34.75, -7.0], [-34.97, -7.53], [-35.32, -7.68], [-35.35, -7.75], [-35.25, -8.0], [-35.47, -8.53], [-36.0, -8.75], [-36.53, -8.53], [-36.68, -8.18], [-37.03, -8.03], [-37.25, -7.5], [-37.15, -7.25], [-37.25, -7.0], [-37.07, -6.57], [-37.5, -6.75], [-38.03, -6.53], [-38.18, -6.18], [-38.25, -6.15], [-38.5, -6.25], [-39.03, -6.03]], [[-36.68, -6.32], [-36.65, -6.25], [-36.68, -6.18], [-36.75, -6.15], [-36.82, -6.18], [-36.93, -6.43], [-36.68, -6.32]]]]}, "2015-05-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-39.25, -5.5], [-39.03, -4.97], [-38.5, -4.75], [-38.25, -4.85], [-38.18, -4.82], [-38.03, -4.47], [-37.5, -4.25], [-37.25, -4.35], [-37.0, -4.25], [-36.47, -4.47], [-36.32, -4.82], [-36.25, -4.85], [-36.0, -4.75], [-35.47, -4.97], [-35.32, -5.32], [-34.97, -5.47], [-34.75, -6.0], [-34.85, -6.25], [-34.75, -6.5], [-34.85, -6.75], [-34.75, -7.0], [-34.96, -7.5], [-34.75, -8.0], [-34.97, -8.53], [-35.5, -8.75], [-35.75, -8.65], [-36.0, -8.75], [-36.25, -8.65], [-36.5, -8.75], [-37.03, -8.53], [-37.18, -8.18], [-37.53, -8.03], [-37.75, -7.5], [-37.53, -6.97], [-37.18, -6.82], [-37.03, -6.47], [-36.68, -6.32], [-36.65, -6.25], [-36.68, -6.18], [-36.75, -6.15], [-37.0, -6.25], [-37.25, -6.15], [-37.32, -6.18], [-37.47, -6.53], [-38.0, -6.75], [-38.53, -6.53], [-38.68, -6.18], [-39.03, -6.03], [-39.25, -5.5]]]]}, "2015-05-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-39.15, -5.25], [-39.25, -5.0], [-39.03, -4.47], [-38.68, -4.32], [-38.53, -3.97], [-38.0, -3.75], [-37.47, -3.97], [-37.32, -4.32], [-37.25, -4.35], [-37.0, -4.25], [-36.75, -4.35], [-36.5, -4.25], [-35.97, -4.47], [-35.82, -4.82], [-35.75, -4.85], [-35.5, -4.75], [-34.97, -4.97], [-34.75, -5.5], [-34.85, -5.75], [-34.75, -6.0], [-34.85, -6.25], [-34.75, -6.5], [-34.85, -6.75], [-34.75, -7.0], [-34.96, -7.5], [-34.75, -8.0], [-34.97, -8.53], [-35.32, -8.68], [-35.47, -9.03], [-36.0, -9.25], [-36.53, -9.03], [-36.68, -8.68], [-37.03, -8.53], [-37.18, -8.18], [-37.25, -8.15], [-37.5, -8.25], [-38.03, -8.03], [-38.25, -7.5], [-38.15, -7.25], [-38.25, -7.0], [-38.15, -6.75], [-38.18, -6.68], [-38.25, -6.65], [-38.5, -6.75], [-39.03, -6.53], [-39.25, -6.0], [-39.15, -5.75], [-39.25, -5.5], [-39.15, -5.25]]]]}, "2015-05-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-39.75, -5.5], [-39.53, -4.97], [-39.18, -4.82], [-39.03, -4.47], [-38.68, -4.32], [-38.53, -3.97], [-38.0, -3.75], [-37.47, -3.97], [-37.32, -4.32], [-37.25, -4.35], [-37.0, -4.25], [-36.75, -4.35], [-36.5, -4.25], [-35.97, -4.47], [-35.82, -4.82], [-35.75, -4.85], [-35.5, -4.75], [-34.97, -4.97], [-34.82, -5.32], [-34.47, -5.47], [-34.32, -5.82], [-33.97, -5.97], [-33.75, -6.5], [-33.97, -7.03], [-34.32, -7.18], [-34.35, -7.25], [-34.25, -7.5], [-34.47, -8.03], [-34.82, -8.18], [-34.85, -8.25], [-34.75, -8.5], [-34.85, -8.75], [-34.75, -9.0], [-34.97, -9.53], [-35.5, -9.75], [-35.75, -9.65], [-36.0, -9.75], [-36.53, -9.53], [-36.68, -9.18], [-37.03, -9.03], [-37.18, -8.68], [-37.53, -8.53], [-37.68, -8.18], [-38.03, -8.03], [-38.25, -7.5], [-38.15, -7.25], [-38.25, -7.0], [-38.15, -6.75], [-38.18, -6.68], [-38.25, -6.65], [-38.32, -6.68], [-38.47, -7.03], [-39.0, -7.25], [-39.25, -7.15], [-39.5, -7.25], [-40.03, -7.03], [-40.25, -6.5], [-40.03, -5.97], [-39.68, -5.82], [-39.65, -5.75], [-39.75, -5.5]]]]}, "2015-05-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-39.75, -5.5], [-39.53, -4.97], [-39.18, -4.82], [-39.03, -4.47], [-38.68, -4.32], [-38.53, -3.97], [-38.0, -3.75], [-37.47, -3.97], [-37.32, -4.32], [-37.25, -4.35], [-37.0, -4.25], [-36.75, -4.35], [-36.5, -4.25], [-35.97, -4.47], [-35.82, -4.82], [-35.75, -4.85], [-35.5, -4.75], [-34.97, -4.97], [-34.82, -5.32], [-34.47, -5.47], [-34.32, -5.82], [-33.97, -5.97], [-33.75, -6.5], [-33.97, -7.03], [-34.32, -7.18], [-34.35, -7.25], [-34.25, -7.5], [-34.47, -8.03], [-34.82, -8.18], [-34.85, -8.25], [-34.75, -8.5], [-34.85, -8.75], [-34.75, -9.0], [-34.97, -9.53], [-35.5, -9.75], [-35.75, -9.65], [-36.0, -9.75], [-36.53, -9.53], [-36.68, -9.18], [-37.03, -9.03], [-37.18, -8.68], [-37.53, -8.53], [-37.68, -8.18], [-38.03, -8.03], [-38.25, -7.5], [-38.15, -7.25], [-38.25, -7.0], [-38.15, -6.75], [-38.18, -6.68], [-38.25, -6.65], [-38.32, -6.68], [-38.47, -7.03], [-39.0, -7.25], [-39.25, -7.15], [-39.5, -7.25], [-40.03, -7.03], [-40.25, -6.5], [-40.03, -5.97], [-39.68, -5.82], [-39.65, -5.75], [-39.75, -5.5]]]]}, "2015-05-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-39.75, -5.5], [-39.53, -4.97], [-39.18, -4.82], [-39.03, -4.47], [-38.5, -4.25], [-37.97, -4.47], [-37.82, -4.82], [-37.75, -4.85], [-37.5, -4.75], [-37.25, -4.85], [-37.0, -4.75], [-36.75, -4.85], [-36.5, -4.75], [-36.25, -4.85], [-36.0, -4.75], [-35.47, -4.97], [-35.32, -5.32], [-35.25, -5.35], [-35.0, -5.25], [-34.47, -5.47], [-34.32, -5.82], [-33.97, -5.97], [-33.75, -6.5], [-33.97, -7.03], [-34.32, -7.18], [-34.35, -7.25], [-34.25, -7.5], [-34.47, -8.03], [-34.82, -8.18], [-34.85, -8.25], [-34.75, -8.5], [-34.85, -8.75], [-34.75, -9.0], [-34.97, -9.53], [-35.5, -9.75], [-35.75, -9.65], [-36.0, -9.75], [-36.53, -9.53], [-36.68, -9.18], [-37.03, -9.03], [-37.18, -8.68], [-37.53, -8.53], [-37.75, -8.0], [-37.54, -7.5], [-37.68, -7.18], [-38.03, -7.03], [-38.18, -6.68], [-38.25, -6.65], [-38.32, -6.68], [-38.47, -7.03], [-39.0, -7.25], [-39.25, -7.15], [-39.5, -7.25], [-40.03, -7.03], [-40.25, -6.5], [-40.03, -5.97], [-39.68, -5.82], [-39.65, -5.75], [-39.75, -5.5]]]]}, "2015-05-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-39.0, -5.75], [-38.47, -5.97], [-38.25, -6.5], [-38.47, -7.03], [-39.0, -7.25], [-39.53, -7.03], [-39.75, -6.5], [-39.53, -5.97], [-39.0, -5.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.2216435049846837}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.6855782379767565}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [30.19666352100836, 29.170903864020545, 28.881797051719502, 28.977330007985074, 28.968924819896188, 28.334316593725873, 28.52108500165167, 28.641342443925566, 27.788941833210856, 27.290307136484785, 27.843532247701148, 27.65372593009255, 27.61924374675533, 27.305764221259494, 29.383246457571715]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [30.19666352100836, 30.32845687024303, 30.185654149219886, 30.53747537810915, 30.452990416341947, 29.51352402373402, 30.31553282509998, 30.845737788183726, 30.34193936178093, 30.104440087766477, 30.810715221407634, 31.22843312491426, 30.660413363079385, 30.310825919770252, 29.383246457571715]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.9417471217232105, 1.9017492411123271, 1.726523695582153, 2.091572890094028, 2.0809600237020374, 1.8119998831820794, 1.8056373073475314, 1.6881259657082068, 1.4201984897834237, 1.3158892275512786, 1.6059453834599562, 1.733942751657848, 1.7230345822984907, 1.5603062207320384, 2.054596185572848]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.9417471217232105, 2.1338221599405642, 2.0496388136526207, 2.5217155338281145, 2.5130681513078343, 2.1117515055858576, 2.1498261358897253, 2.5894147377034074, 2.381648752985029, 2.1754197759321414, 2.887905073602383, 3.2216435049846837, 2.751958772441867, 2.552468241927045, 2.054596185572848]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4002327309123501, 1.5551284541732118, 1.5000913056760798, 1.7376643381223413, 1.7516643925712994, 1.6240915876390063, 1.5760738817030577, 1.6989226419879384, 1.5257910100419434, 1.4927930106694103, 1.6971986628808395, 1.8856403418658736, 1.9003570265776517, 1.7027704090055322, 1.4614228906761062]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4002327309123501, 1.7903164131794063, 1.7004260391599686, 2.091017796151085, 2.234428180628582, 1.8917931528596053, 1.855189658577798, 2.0206912893857214, 1.8517990945661138, 1.6897751086470703, 2.1463101876126607, 2.4647491409078164, 2.40766758384402, 2.11481555371611, 1.4614228906761062]}}