{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:57:09.078476", "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-Aug-11_to_2014-Aug-17_354.5_31.0"}, "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": 2014080002208}, "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": "August 11 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 17 2014"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 124898.5660095952}, "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": ["Algeria", "Morocco"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Mediterranean", "Sahara"]}, "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": 31.0}, "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": 354.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "354.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 351.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 360.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 28.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 32.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-08-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-7.03, 30.03], [-6.68, 30.18], [-6.53, 30.53], [-6.12, 30.7], [-6.25, 31.0], [-6.03, 31.53], [-5.5, 31.75], [-4.97, 31.53], [-4.75, 31.0], [-4.97, 30.47], [-5.37, 30.3], [-5.25, 30.0], [-5.35, 29.75], [-5.25, 29.5], [-5.47, 28.97], [-5.87, 28.8], [-5.75, 28.5], [-5.97, 27.97], [-6.5, 27.75], [-7.03, 27.97], [-7.25, 28.5], [-7.04, 29.0], [-7.25, 29.5], [-7.03, 30.03]]]]}, "2014-08-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-6.68, 30.18], [-6.53, 30.53], [-6.18, 30.68], [-6.15, 30.75], [-6.25, 31.0], [-6.03, 31.53], [-5.5, 31.75], [-5.25, 31.65], [-5.0, 31.75], [-4.75, 31.65], [-4.5, 31.75], [-4.25, 31.65], [-4.0, 31.75], [-3.75, 31.65], [-3.5, 31.75], [-2.97, 31.53], [-2.82, 31.18], [-2.47, 31.03], [-2.25, 30.5], [-2.47, 29.97], [-3.0, 29.75], [-3.53, 29.97], [-3.68, 30.32], [-3.75, 30.35], [-4.0, 30.25], [-4.25, 30.35], [-4.32, 30.32], [-4.47, 29.97], [-4.82, 29.82], [-4.85, 29.75], [-4.75, 29.5], [-4.97, 28.97], [-5.5, 28.75], [-5.75, 28.85], [-5.87, 28.8], [-5.75, 28.5], [-5.97, 27.97], [-6.5, 27.75], [-7.03, 27.97], [-7.25, 28.5], [-7.04, 29.0], [-7.25, 29.5], [-7.03, 30.03], [-6.68, 30.18]]], [[[-2.53, 32.53], [-2.0, 32.75], [-1.5, 32.54], [-1.0, 32.75], [-0.47, 32.53], [-0.25, 32.0], [-0.35, 31.75], [-0.25, 31.5], [-0.47, 30.97], [-1.0, 30.75], [-1.25, 30.85], [-1.5, 30.75], [-2.03, 30.97], [-2.18, 31.32], [-2.53, 31.47], [-2.75, 32.0], [-2.53, 32.53]]]]}, "2014-08-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-7.15, 29.25], [-7.25, 29.5], [-7.15, 29.75], [-7.25, 30.0], [-7.03, 30.53], [-6.68, 30.68], [-6.53, 31.03], [-6.18, 31.18], [-6.03, 31.53], [-5.5, 31.75], [-5.25, 31.65], [-5.0, 31.75], [-4.75, 31.65], [-4.5, 31.75], [-4.25, 31.65], [-4.0, 31.75], [-3.75, 31.65], [-3.5, 31.75], [-2.97, 31.53], [-2.82, 31.18], [-2.75, 31.15], [-2.68, 31.18], [-2.65, 31.25], [-2.75, 31.5], [-2.65, 31.75], [-2.75, 32.0], [-2.53, 32.53], [-2.0, 32.75], [-1.5, 32.54], [-1.0, 32.75], [-0.47, 32.53], [-0.25, 32.0], [-0.35, 31.75], [-0.25, 31.5], [-0.47, 30.97], [-1.0, 30.75], [-1.25, 30.85], [-1.32, 30.82], [-1.47, 30.47], [-1.82, 30.32], [-1.85, 30.25], [-1.75, 30.0], [-1.85, 29.75], [-1.75, 29.5], [-1.97, 28.97], [-2.5, 28.75], [-3.03, 28.97], [-3.18, 29.32], [-3.53, 29.47], [-3.68, 29.82], [-4.03, 29.97], [-4.18, 30.32], [-4.25, 30.35], [-4.32, 30.32], [-4.47, 29.97], [-4.82, 29.82], [-4.85, 29.75], [-4.75, 29.5], [-4.97, 28.97], [-5.5, 28.75], [-5.75, 28.85], [-5.82, 28.82], [-5.85, 28.75], [-5.75, 28.5], [-5.97, 27.97], [-6.5, 27.75], [-7.03, 27.97], [-7.25, 28.5], [-7.15, 28.75], [-7.25, 29.0], [-7.15, 29.25]]]]}, "2014-08-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-7.53, 29.53], [-7.18, 29.68], [-7.15, 29.75], [-7.25, 30.0], [-7.03, 30.53], [-6.68, 30.68], [-6.65, 30.75], [-6.75, 31.0], [-6.53, 31.53], [-6.0, 31.75], [-5.75, 31.65], [-5.68, 31.68], [-5.53, 32.03], [-5.18, 32.18], [-5.03, 32.53], [-4.5, 32.75], [-3.97, 32.53], [-3.75, 32.0], [-3.87, 31.7], [-3.75, 31.65], [-3.5, 31.75], [-2.97, 31.53], [-2.82, 31.18], [-2.75, 31.15], [-2.68, 31.18], [-2.65, 31.25], [-2.75, 31.5], [-2.65, 31.75], [-2.75, 32.0], [-2.53, 32.53], [-2.0, 32.75], [-1.75, 32.65], [-1.5, 32.75], [-1.25, 32.65], [-1.0, 32.75], [-0.75, 32.65], [-0.5, 32.75], [-0.25, 32.65], [0.0, 32.75], [0.53, 32.53], [0.75, 32.0], [0.65, 31.75], [0.75, 31.5], [0.53, 30.97], [0.0, 30.75], [-0.5, 30.96], [-1.0, 30.75], [-1.25, 30.85], [-1.32, 30.82], [-1.47, 30.47], [-1.82, 30.32], [-1.85, 30.25], [-1.75, 30.0], [-1.85, 29.75], [-1.75, 29.5], [-1.97, 28.97], [-2.5, 28.75], [-3.03, 28.97], [-3.18, 29.32], [-3.53, 29.47], [-3.68, 29.82], [-4.03, 29.97], [-4.18, 30.32], [-4.25, 30.35], [-4.32, 30.32], [-4.47, 29.97], [-4.82, 29.82], [-4.85, 29.75], [-4.75, 29.5], [-4.97, 28.97], [-5.32, 28.82], [-5.47, 28.47], [-5.82, 28.32], [-5.97, 27.97], [-6.5, 27.75], [-6.75, 27.85], [-7.0, 27.75], [-7.53, 27.97], [-7.75, 28.5], [-7.65, 28.75], [-7.75, 29.0], [-7.53, 29.53]]]]}, "2014-08-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-8.53, 30.47], [-8.75, 31.0], [-8.53, 31.53], [-8.0, 31.75], [-7.75, 31.65], [-7.5, 31.75], [-7.25, 31.65], [-7.0, 31.75], [-6.75, 31.65], [-6.68, 31.68], [-6.65, 31.75], [-6.75, 32.0], [-6.53, 32.53], [-6.0, 32.75], [-5.75, 32.65], [-5.5, 32.75], [-5.0, 32.54], [-4.5, 32.75], [-3.97, 32.53], [-3.75, 32.0], [-3.87, 31.7], [-3.75, 31.65], [-3.5, 31.75], [-2.97, 31.53], [-2.82, 31.18], [-2.75, 31.15], [-2.68, 31.18], [-2.65, 31.25], [-2.75, 31.5], [-2.65, 31.75], [-2.75, 32.0], [-2.53, 32.53], [-2.0, 32.75], [-1.75, 32.65], [-1.5, 32.75], [-1.25, 32.65], [-1.0, 32.75], [-0.75, 32.65], [-0.5, 32.75], [-0.25, 32.65], [0.0, 32.75], [0.53, 32.53], [0.75, 32.0], [0.65, 31.75], [0.75, 31.5], [0.53, 30.97], [0.0, 30.75], [-0.5, 30.96], [-1.0, 30.75], [-1.25, 30.85], [-1.32, 30.82], [-1.47, 30.47], [-1.82, 30.32], [-1.85, 30.25], [-1.75, 30.0], [-1.85, 29.75], [-1.75, 29.5], [-1.97, 28.97], [-2.5, 28.75], [-3.03, 28.97], [-3.18, 29.32], [-3.53, 29.47], [-3.68, 29.82], [-4.03, 29.97], [-4.18, 30.32], [-4.25, 30.35], [-4.32, 30.32], [-4.47, 29.97], [-5.0, 29.75], [-5.25, 29.85], [-5.32, 29.82], [-5.35, 29.75], [-5.25, 29.5], [-5.35, 29.25], [-5.25, 29.0], [-5.47, 28.47], [-5.82, 28.32], [-5.97, 27.97], [-6.5, 27.75], [-6.75, 27.85], [-7.0, 27.75], [-7.53, 27.97], [-7.75, 28.5], [-7.65, 28.75], [-7.75, 29.0], [-7.53, 29.53], [-7.18, 29.68], [-7.15, 29.75], [-7.25, 30.0], [-7.15, 30.25], [-7.18, 30.32], [-7.25, 30.35], [-7.5, 30.25], [-7.75, 30.35], [-8.0, 30.25], [-8.53, 30.47]]]]}, "2014-08-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-8.75, 31.0], [-8.53, 31.53], [-8.0, 31.75], [-7.75, 31.65], [-7.5, 31.75], [-7.25, 31.65], [-7.0, 31.75], [-6.75, 31.65], [-6.68, 31.68], [-6.65, 31.75], [-6.75, 32.0], [-6.53, 32.53], [-6.0, 32.75], [-5.75, 32.65], [-5.5, 32.75], [-5.0, 32.54], [-4.5, 32.75], [-3.97, 32.53], [-3.75, 32.0], [-3.96, 31.5], [-3.75, 31.0], [-3.97, 30.47], [-4.5, 30.25], [-4.8, 30.38], [-4.97, 29.97], [-5.32, 29.82], [-5.35, 29.75], [-5.25, 29.5], [-5.35, 29.25], [-5.25, 29.0], [-5.47, 28.47], [-5.82, 28.32], [-5.97, 27.97], [-6.5, 27.75], [-6.75, 27.85], [-7.0, 27.75], [-7.53, 27.97], [-7.75, 28.5], [-7.65, 28.75], [-7.75, 29.0], [-7.53, 29.53], [-7.18, 29.68], [-7.15, 29.75], [-7.25, 30.0], [-7.15, 30.25], [-7.18, 30.32], [-7.25, 30.35], [-7.5, 30.25], [-7.75, 30.35], [-8.0, 30.25], [-8.53, 30.47], [-8.75, 31.0]]], [[[-2.25, 32.0], [-2.03, 32.53], [-1.5, 32.75], [-1.25, 32.65], [-1.0, 32.75], [-0.75, 32.65], [-0.5, 32.75], [-0.25, 32.65], [0.0, 32.75], [0.53, 32.53], [0.75, 32.0], [0.65, 31.75], [0.75, 31.5], [0.53, 30.97], [0.0, 30.75], [-0.53, 30.97], [-0.68, 31.32], [-0.75, 31.35], [-1.0, 31.25], [-1.25, 31.35], [-1.5, 31.25], [-2.03, 31.47], [-2.25, 32.0]]]]}, "2014-08-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-8.53, 30.47], [-8.75, 31.0], [-8.53, 31.53], [-8.0, 31.75], [-7.75, 31.65], [-7.5, 31.75], [-7.25, 31.65], [-7.0, 31.75], [-6.75, 31.65], [-6.68, 31.68], [-6.65, 31.75], [-6.75, 32.0], [-6.53, 32.53], [-6.0, 32.75], [-5.75, 32.65], [-5.5, 32.75], [-4.97, 32.53], [-4.75, 32.0], [-4.85, 31.75], [-4.75, 31.5], [-4.97, 30.97], [-5.5, 30.75], [-5.75, 30.85], [-5.82, 30.82], [-5.85, 30.75], [-5.75, 30.5], [-5.97, 29.97], [-6.5, 29.75], [-7.03, 29.97], [-7.18, 30.32], [-7.25, 30.35], [-7.5, 30.25], [-7.75, 30.35], [-8.0, 30.25], [-8.53, 30.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.6092016941518636}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.3865833841002413}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [37.19513580049613, 36.659707449657276, 36.937423292758524, 36.685574161890145, 34.81894694343646, 33.491249084707476, 27.07297225941494]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [38.7070619631765, 38.53359970076394, 38.9052132348408, 39.00548736626757, 39.182784814583215, 39.23703671517194, 33.028669734989705]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.1042585610662057, 1.9911928745568066, 2.083779627444841, 2.391284915335008, 2.5965439924607483, 2.579218636069974, 2.5644962008854955]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.3799393125053143, 2.4753587387311313, 2.6264881204547237, 2.815086556315123, 3.6092016941518636, 3.1211627982449386, 3.080043135766516]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2295045291046731, 1.2411588651677856, 1.26736556136992, 1.3736371754753811, 1.4702521294983117, 1.4017619929714773, 1.3757932522688487]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4871788214004882, 1.4076784343357016, 1.5459363180138788, 1.6883490274541786, 1.9263074070730895, 1.7640876425691747, 1.5361057077949845]}}