{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:13:02.426961", "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": "2018-Jun-07_to_2018-Jun-15_311.0_-2.0"}, "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": 2018060001870}, "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": "June 07 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 15 2018"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 9}, "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": 197765.4349931735}, "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": ["Equatorial.Atlantic-Ocean", "N.E.South-America", "N.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": ["North Atlantic Ocean", "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": -2.0}, "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": 311.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "311.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 308.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 314.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -3.25}, "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": {"2018-06-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-47.75, -1.5], [-47.53, -0.97], [-47.0, -0.75], [-46.75, -0.85], [-46.5, -0.75], [-46.25, -0.85], [-46.0, -0.75], [-45.47, -0.97], [-45.25, -1.5], [-45.46, -2.0], [-45.25, -2.5], [-45.47, -3.03], [-46.0, -3.25], [-46.53, -3.03], [-46.68, -2.68], [-47.03, -2.53], [-47.18, -2.18], [-47.53, -2.03], [-47.75, -1.5]]]]}, "2018-06-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-47.75, -1.5], [-47.53, -0.97], [-47.0, -0.75], [-46.75, -0.85], [-46.5, -0.75], [-46.25, -0.85], [-46.0, -0.75], [-45.47, -0.97], [-45.25, -1.5], [-45.46, -2.0], [-45.25, -2.5], [-45.47, -3.03], [-46.0, -3.25], [-46.53, -3.03], [-46.68, -2.68], [-47.03, -2.53], [-47.18, -2.18], [-47.53, -2.03], [-47.75, -1.5]]]]}, "2018-06-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-47.53, -0.97], [-47.0, -0.75], [-46.75, -0.85], [-46.5, -0.75], [-46.25, -0.85], [-46.0, -0.75], [-45.47, -0.97], [-45.25, -1.5], [-45.46, -2.0], [-45.25, -2.5], [-45.47, -3.03], [-46.0, -3.25], [-46.53, -3.03], [-46.68, -2.68], [-47.03, -2.53], [-47.18, -2.18], [-47.53, -2.03], [-47.75, -1.5], [-47.53, -0.97]]], [[[-50.5, 1.75], [-49.97, 1.53], [-49.75, 1.0], [-49.85, 0.75], [-49.75, 0.5], [-49.97, -0.03], [-50.5, -0.25], [-51.03, -0.03], [-51.25, 0.5], [-51.15, 0.75], [-51.25, 1.0], [-51.03, 1.53], [-50.5, 1.75]]]]}, "2018-06-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-51.65, 2.75], [-51.75, 3.0], [-51.53, 3.53], [-51.0, 3.75], [-50.47, 3.53], [-50.32, 3.18], [-49.97, 3.03], [-49.75, 2.5], [-49.85, 2.25], [-49.82, 2.18], [-49.75, 2.15], [-49.5, 2.25], [-48.97, 2.03], [-48.75, 1.5], [-48.85, 1.25], [-48.75, 1.0], [-48.87, 0.7], [-48.75, 0.65], [-48.5, 0.75], [-48.25, 0.65], [-48.0, 0.75], [-47.75, 0.65], [-47.5, 0.75], [-47.25, 0.65], [-47.0, 0.75], [-46.47, 0.53], [-46.32, 0.18], [-46.25, 0.15], [-46.0, 0.25], [-45.47, 0.03], [-45.25, -0.5], [-45.35, -0.75], [-45.25, -1.0], [-45.47, -1.53], [-46.0, -1.75], [-46.25, -1.65], [-46.5, -1.75], [-47.03, -1.53], [-47.18, -1.18], [-47.25, -1.15], [-47.5, -1.25], [-47.75, -1.15], [-48.0, -1.25], [-48.25, -1.15], [-48.5, -1.25], [-49.03, -1.03], [-49.18, -0.68], [-49.53, -0.53], [-49.75, 0.0], [-49.62, 0.3], [-49.8, 0.38], [-49.97, -0.03], [-50.5, -0.25], [-51.03, -0.03], [-51.25, 0.5], [-51.15, 0.75], [-51.25, 1.0], [-51.12, 1.3], [-51.53, 1.47], [-51.75, 2.0], [-51.65, 2.25], [-51.75, 2.5], [-51.65, 2.75]]]]}, "2018-06-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-51.65, 2.75], [-51.75, 3.0], [-51.53, 3.53], [-51.0, 3.75], [-50.47, 3.53], [-50.32, 3.18], [-50.25, 3.15], [-50.0, 3.25], [-49.47, 3.03], [-49.25, 2.5], [-49.37, 2.2], [-48.97, 2.03], [-48.82, 1.68], [-48.75, 1.65], [-48.5, 1.75], [-48.25, 1.65], [-48.0, 1.75], [-47.75, 1.65], [-47.5, 1.75], [-46.97, 1.53], [-46.82, 1.18], [-46.47, 1.03], [-46.25, 0.5], [-46.35, 0.25], [-46.32, 0.18], [-46.25, 0.15], [-46.0, 0.25], [-45.47, 0.03], [-45.25, -0.5], [-45.35, -0.75], [-45.32, -0.82], [-44.97, -0.97], [-44.75, -1.5], [-44.97, -2.03], [-45.5, -2.25], [-46.03, -2.03], [-46.18, -1.68], [-46.25, -1.65], [-46.5, -1.75], [-46.75, -1.65], [-46.82, -1.68], [-46.97, -2.03], [-47.32, -2.18], [-47.47, -2.53], [-48.0, -2.75], [-48.25, -2.65], [-48.5, -2.75], [-48.75, -2.65], [-49.0, -2.75], [-49.53, -2.53], [-49.68, -2.18], [-50.03, -2.03], [-50.25, -1.5], [-50.15, -1.25], [-50.18, -1.18], [-50.53, -1.03], [-50.75, -0.5], [-50.62, -0.2], [-51.03, -0.03], [-51.25, 0.5], [-51.15, 0.75], [-51.25, 1.0], [-51.12, 1.3], [-51.53, 1.47], [-51.75, 2.0], [-51.65, 2.25], [-51.75, 2.5], [-51.65, 2.75]]]]}, "2018-06-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-51.65, 2.75], [-51.75, 3.0], [-51.53, 3.53], [-51.0, 3.75], [-50.47, 3.53], [-50.32, 3.18], [-50.25, 3.15], [-50.0, 3.25], [-49.47, 3.03], [-49.25, 2.5], [-49.37, 2.2], [-48.97, 2.03], [-48.82, 1.68], [-48.75, 1.65], [-48.5, 1.75], [-48.25, 1.65], [-48.0, 1.75], [-47.75, 1.65], [-47.5, 1.75], [-46.97, 1.53], [-46.82, 1.18], [-46.47, 1.03], [-46.25, 0.5], [-46.35, 0.25], [-46.32, 0.18], [-46.25, 0.15], [-46.0, 0.25], [-45.47, 0.03], [-45.25, -0.5], [-45.35, -0.75], [-45.32, -0.82], [-44.97, -0.97], [-44.75, -1.5], [-44.97, -2.03], [-45.5, -2.25], [-46.03, -2.03], [-46.18, -1.68], [-46.25, -1.65], [-46.5, -1.75], [-46.75, -1.65], [-46.82, -1.68], [-46.87, -1.8], [-46.47, -1.97], [-46.25, -2.5], [-46.47, -3.03], [-47.0, -3.25], [-47.25, -3.15], [-47.5, -3.25], [-47.75, -3.15], [-48.0, -3.25], [-48.53, -3.03], [-48.68, -2.68], [-48.75, -2.65], [-48.82, -2.68], [-48.97, -3.03], [-49.5, -3.25], [-50.03, -3.03], [-50.25, -2.5], [-50.04, -2.0], [-50.25, -1.5], [-50.15, -1.25], [-50.18, -1.18], [-50.53, -1.03], [-50.75, -0.5], [-50.62, -0.2], [-51.03, -0.03], [-51.25, 0.5], [-51.15, 0.75], [-51.25, 1.0], [-51.12, 1.3], [-51.53, 1.47], [-51.75, 2.0], [-51.65, 2.25], [-51.75, 2.5], [-51.65, 2.75]]]]}, "2018-06-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-50.0, 1.25], [-49.75, 1.15], [-49.68, 1.18], [-49.53, 1.53], [-49.0, 1.75], [-48.75, 1.65], [-48.5, 1.75], [-48.25, 1.65], [-48.0, 1.75], [-47.75, 1.65], [-47.5, 1.75], [-46.97, 1.53], [-46.82, 1.18], [-46.47, 1.03], [-46.25, 0.5], [-46.35, 0.25], [-46.32, 0.18], [-46.25, 0.15], [-46.0, 0.25], [-45.47, 0.03], [-45.25, -0.5], [-45.35, -0.75], [-45.32, -0.82], [-44.97, -0.97], [-44.75, -1.5], [-44.97, -2.03], [-45.5, -2.25], [-46.03, -2.03], [-46.18, -1.68], [-46.25, -1.65], [-46.5, -1.75], [-46.75, -1.65], [-46.82, -1.68], [-46.87, -1.8], [-46.47, -1.97], [-46.25, -2.5], [-46.35, -2.75], [-46.25, -3.0], [-46.47, -3.53], [-47.0, -3.75], [-47.53, -3.53], [-47.68, -3.18], [-47.75, -3.15], [-48.0, -3.25], [-48.53, -3.03], [-48.68, -2.68], [-48.75, -2.65], [-48.82, -2.68], [-48.97, -3.03], [-49.5, -3.25], [-50.03, -3.03], [-50.25, -2.5], [-50.04, -2.0], [-50.25, -1.5], [-50.15, -1.25], [-50.18, -1.18], [-50.53, -1.03], [-50.75, -0.5], [-50.54, -0.0], [-50.75, 0.5], [-50.53, 1.03], [-50.0, 1.25]]], [[[-51.25, 2.5], [-51.03, 3.03], [-50.5, 3.25], [-50.25, 3.15], [-50.0, 3.25], [-49.47, 3.03], [-49.25, 2.5], [-49.47, 1.97], [-50.0, 1.75], [-50.25, 1.85], [-50.5, 1.75], [-51.03, 1.97], [-51.25, 2.5]]]]}, "2018-06-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-49.18, -1.32], [-49.03, -0.97], [-48.5, -0.75], [-48.25, -0.85], [-48.0, -0.75], [-47.75, -0.85], [-47.5, -0.75], [-46.97, -0.97], [-46.75, -1.5], [-46.87, -1.8], [-46.47, -1.97], [-46.25, -2.5], [-46.35, -2.75], [-46.25, -3.0], [-46.47, -3.53], [-47.0, -3.75], [-47.53, -3.53], [-47.68, -3.18], [-47.75, -3.15], [-48.0, -3.25], [-48.53, -3.03], [-48.68, -2.68], [-48.75, -2.65], [-48.82, -2.68], [-48.97, -3.03], [-49.5, -3.25], [-50.03, -3.03], [-50.25, -2.5], [-50.03, -1.97], [-49.68, -1.82], [-49.53, -1.47], [-49.18, -1.32]]]]}, "2018-06-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-49.53, -2.53], [-49.75, -2.0], [-49.53, -1.47], [-49.0, -1.25], [-48.75, -1.35], [-48.68, -1.32], [-48.53, -0.97], [-48.0, -0.75], [-47.75, -0.85], [-47.5, -0.75], [-46.97, -0.97], [-46.75, -1.5], [-46.87, -1.8], [-46.47, -1.97], [-46.25, -2.5], [-46.35, -2.75], [-46.25, -3.0], [-46.47, -3.53], [-47.0, -3.75], [-47.53, -3.53], [-47.68, -3.18], [-48.03, -3.03], [-48.18, -2.68], [-48.25, -2.65], [-48.5, -2.75], [-48.75, -2.65], [-49.0, -2.75], [-49.53, -2.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.7830592120332085}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.0741058877384333}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.156137836050732, 27.15437509139366, 27.18545662932638, 27.60577219383157, 27.586331811734055, 27.711904702346885, 27.62496701999862, 27.535296927703598, 27.25376584638377]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.22145553806837, 27.518878636559464, 27.719270654158095, 27.92102479262809, 27.999547054621814, 28.222053505190217, 28.357864968536603, 28.173337652851046, 27.876956176202896]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.952456589886333, 0.9847749412749067, 0.9470391425655212, 1.1016791671368034, 1.0346273993547417, 1.1787234120758252, 1.055544616906517, 1.0523137086818481, 0.8918536982377958]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.0664091799789048, 1.306668577592859, 1.149290278003832, 1.4859869994519386, 1.449651584108551, 1.7830592120332085, 1.505269609910556, 1.1814886387494425, 1.0979018048155922]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5944178577218981, 1.6918485241663324, 1.5114934299596687, 1.7352267360955118, 1.6452097769913412, 1.8981065298092328, 1.77640099932208, 1.7566766000331375, 1.5025840871774312]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7257219020080155, 2.1676234886460803, 1.7291298830960027, 2.2372388689892015, 2.0223030425981205, 2.4349007467574255, 2.763638505415363, 2.0319112497413165, 1.7288489542989403]}}