{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:03:18.036680", "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-Jun-15_to_2015-Jun-18_294.5_0.0"}, "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": 2015060002225}, "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 15 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 18 2015"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 86513.69894673543}, "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", "Venezuela"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["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": []}, "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": 0.0}, "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": 294.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "294.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 293.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 297.75}, "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": 1.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-06-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-66.53, -0.53], [-66.75, 0.0], [-66.53, 0.53], [-66.0, 0.75], [-65.75, 0.65], [-65.5, 0.75], [-64.97, 0.53], [-64.82, 0.18], [-64.47, 0.03], [-64.25, -0.5], [-64.47, -1.03], [-65.0, -1.25], [-65.53, -1.03], [-65.68, -0.68], [-65.75, -0.65], [-66.0, -0.75], [-66.53, -0.53]]]]}, "2015-06-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-66.65, 0.75], [-66.75, 1.0], [-66.53, 1.53], [-66.0, 1.75], [-65.47, 1.53], [-65.32, 1.18], [-64.97, 1.03], [-64.82, 0.68], [-64.47, 0.53], [-64.25, 0.0], [-64.35, -0.25], [-64.32, -0.32], [-64.25, -0.35], [-64.0, -0.25], [-63.5, -0.46], [-63.0, -0.25], [-62.47, -0.47], [-62.32, -0.82], [-61.97, -0.97], [-61.75, -1.5], [-61.85, -1.75], [-61.75, -2.0], [-61.97, -2.53], [-62.37, -2.7], [-62.25, -3.0], [-62.47, -3.53], [-63.0, -3.75], [-63.53, -3.53], [-63.68, -3.18], [-63.75, -3.15], [-63.82, -3.18], [-63.97, -3.53], [-64.5, -3.75], [-65.03, -3.53], [-65.25, -3.0], [-65.15, -2.75], [-65.25, -2.5], [-65.15, -2.25], [-65.18, -2.18], [-65.25, -2.15], [-65.5, -2.25], [-66.03, -2.03], [-66.25, -1.5], [-66.04, -1.0], [-66.18, -0.68], [-66.53, -0.53], [-66.75, 0.0], [-66.65, 0.25], [-66.75, 0.5], [-66.65, 0.75]]]]}, "2015-06-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-66.65, 0.75], [-66.75, 1.0], [-66.53, 1.53], [-66.0, 1.75], [-65.47, 1.53], [-65.32, 1.18], [-64.97, 1.03], [-64.82, 0.68], [-64.47, 0.53], [-64.25, 0.0], [-64.35, -0.25], [-64.32, -0.32], [-64.25, -0.35], [-64.0, -0.25], [-63.5, -0.46], [-63.0, -0.25], [-62.47, -0.47], [-62.32, -0.82], [-61.97, -0.97], [-61.75, -1.5], [-61.85, -1.75], [-61.75, -2.0], [-61.97, -2.53], [-62.37, -2.7], [-62.25, -3.0], [-62.47, -3.53], [-63.0, -3.75], [-63.53, -3.53], [-63.68, -3.18], [-63.75, -3.15], [-63.82, -3.18], [-63.97, -3.53], [-64.5, -3.75], [-65.03, -3.53], [-65.25, -3.0], [-65.15, -2.75], [-65.25, -2.5], [-65.15, -2.25], [-65.18, -2.18], [-65.25, -2.15], [-65.5, -2.25], [-66.03, -2.03], [-66.25, -1.5], [-66.04, -1.0], [-66.18, -0.68], [-66.53, -0.53], [-66.75, 0.0], [-66.65, 0.25], [-66.75, 0.5], [-66.65, 0.75]]]]}, "2015-06-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-66.65, 0.75], [-66.75, 1.0], [-66.53, 1.53], [-66.0, 1.75], [-65.47, 1.53], [-65.32, 1.18], [-64.97, 1.03], [-64.82, 0.68], [-64.47, 0.53], [-64.25, 0.0], [-64.35, -0.25], [-64.32, -0.32], [-64.25, -0.35], [-64.0, -0.25], [-63.5, -0.46], [-63.0, -0.25], [-62.47, -0.47], [-62.32, -0.82], [-61.97, -0.97], [-61.75, -1.5], [-61.85, -1.75], [-61.75, -2.0], [-61.97, -2.53], [-62.37, -2.7], [-62.25, -3.0], [-62.47, -3.53], [-63.0, -3.75], [-63.53, -3.53], [-63.68, -3.18], [-63.75, -3.15], [-63.82, -3.18], [-63.97, -3.53], [-64.5, -3.75], [-65.03, -3.53], [-65.25, -3.0], [-65.15, -2.75], [-65.25, -2.5], [-65.15, -2.25], [-65.18, -2.18], [-65.25, -2.15], [-65.5, -2.25], [-66.03, -2.03], [-66.25, -1.5], [-66.04, -1.0], [-66.18, -0.68], [-66.53, -0.53], [-66.75, 0.0], [-66.65, 0.25], [-66.75, 0.5], [-66.65, 0.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.0918174243793715}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.4418955973066891}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.987741816457458, 26.216903613119428, 26.62579006546821, 26.461650063434092]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.390494065605424, 26.89468513593431, 27.565823723857818, 27.208728245679026]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.9483071691691028, 1.2352745673680292, 1.6501585278947377, 1.493138171100613]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.00183115793061, 1.5132486703608947, 2.0918174243793715, 1.8707235937504265]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3630441192929583, 1.622713446022652, 2.060410514301737, 1.7864026189732585]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4180628301610525, 1.8756634403876098, 2.5143844317126187, 2.350491162675569]}}