{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:20:36.812906", "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": "2019-Sep-25_to_2019-Sep-30_309.0_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": 2019090002613}, "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": "September 25 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 30 2019"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 61816.49663970687}, "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": 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": 309.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "309.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 308.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 312.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -1.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 1.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-09-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-51.53, 0.53], [-51.0, 0.75], [-50.47, 0.53], [-50.25, 0.0], [-50.35, -0.25], [-50.25, -0.5], [-50.47, -1.03], [-51.0, -1.25], [-51.53, -1.03], [-51.75, -0.5], [-51.65, -0.25], [-51.75, 0.0], [-51.53, 0.53]]]]}, "2019-09-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-51.18, 0.68], [-51.03, 1.03], [-50.5, 1.25], [-49.97, 1.03], [-49.75, 0.5], [-49.97, -0.03], [-50.32, -0.18], [-50.35, -0.25], [-50.25, -0.5], [-50.47, -1.03], [-51.0, -1.25], [-51.25, -1.15], [-51.5, -1.25], [-52.03, -1.03], [-52.25, -0.5], [-52.03, 0.03], [-51.68, 0.18], [-51.53, 0.53], [-51.18, 0.68]]]]}, "2019-09-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-51.18, 0.68], [-51.03, 1.03], [-50.5, 1.25], [-50.25, 1.15], [-50.18, 1.18], [-50.03, 1.53], [-49.68, 1.68], [-49.53, 2.03], [-49.0, 2.25], [-48.47, 2.03], [-48.32, 1.68], [-47.97, 1.53], [-47.75, 1.0], [-47.85, 0.75], [-47.75, 0.5], [-47.85, 0.25], [-47.82, 0.18], [-47.47, 0.03], [-47.25, -0.5], [-47.47, -1.03], [-47.82, -1.18], [-47.97, -1.53], [-48.32, -1.68], [-48.47, -2.03], [-49.0, -2.25], [-49.53, -2.03], [-49.75, -1.5], [-49.53, -0.97], [-49.18, -0.82], [-49.15, -0.75], [-49.18, -0.68], [-49.25, -0.65], [-49.5, -0.75], [-50.0, -0.54], [-50.32, -0.68], [-50.47, -1.03], [-51.0, -1.25], [-51.25, -1.15], [-51.5, -1.25], [-52.03, -1.03], [-52.25, -0.5], [-52.03, 0.03], [-51.68, 0.18], [-51.53, 0.53], [-51.18, 0.68]]]]}, "2019-09-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-51.18, 0.68], [-51.03, 1.03], [-50.5, 1.25], [-50.25, 1.15], [-50.18, 1.18], [-50.03, 1.53], [-49.68, 1.68], [-49.53, 2.03], [-49.0, 2.25], [-48.47, 2.03], [-48.32, 1.68], [-47.97, 1.53], [-47.75, 1.0], [-47.85, 0.75], [-47.75, 0.5], [-47.85, 0.25], [-47.82, 0.18], [-47.47, 0.03], [-47.25, -0.5], [-47.47, -1.03], [-47.82, -1.18], [-47.97, -1.53], [-48.32, -1.68], [-48.47, -2.03], [-49.0, -2.25], [-49.53, -2.03], [-49.75, -1.5], [-49.53, -0.97], [-49.18, -0.82], [-49.15, -0.75], [-49.18, -0.68], [-49.25, -0.65], [-49.5, -0.75], [-50.0, -0.54], [-50.32, -0.68], [-50.47, -1.03], [-51.0, -1.25], [-51.25, -1.15], [-51.5, -1.25], [-52.03, -1.03], [-52.25, -0.5], [-52.03, 0.03], [-51.68, 0.18], [-51.53, 0.53], [-51.18, 0.68]]]]}, "2019-09-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-50.5, 1.25], [-50.25, 1.15], [-50.18, 1.18], [-50.03, 1.53], [-49.68, 1.68], [-49.53, 2.03], [-49.0, 2.25], [-48.47, 2.03], [-48.32, 1.68], [-47.97, 1.53], [-47.75, 1.0], [-47.85, 0.75], [-47.75, 0.5], [-47.85, 0.25], [-47.82, 0.18], [-47.47, 0.03], [-47.25, -0.5], [-47.47, -1.03], [-47.82, -1.18], [-47.97, -1.53], [-48.32, -1.68], [-48.47, -2.03], [-49.0, -2.25], [-49.53, -2.03], [-49.75, -1.5], [-49.53, -0.97], [-49.18, -0.82], [-49.15, -0.75], [-49.18, -0.68], [-49.25, -0.65], [-49.5, -0.75], [-50.0, -0.54], [-50.5, -0.75], [-50.75, -0.65], [-51.0, -0.75], [-51.53, -0.53], [-51.75, 0.0], [-51.53, 0.53], [-51.18, 0.68], [-51.03, 1.03], [-50.5, 1.25]]]]}, "2019-09-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-49.53, -2.03], [-49.75, -1.5], [-49.53, -0.97], [-49.0, -0.75], [-48.47, -0.97], [-48.25, -1.5], [-48.47, -2.03], [-49.0, -2.25], [-49.53, -2.03]]], [[[-51.03, -0.53], [-51.25, 0.0], [-51.03, 0.53], [-50.5, 0.75], [-49.97, 0.53], [-49.75, 0.0], [-49.97, -0.53], [-50.5, -0.75], [-51.03, -0.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.077996946842461}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.5995428083575155}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.81126428633553, 28.904270992372517, 28.13514212493078, 28.247429728306543, 28.145339487944625, 28.423676028881914]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.89076029058765, 29.185422262848306, 29.066560255479033, 29.035035284647563, 28.999891375838104, 28.443137873119554]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.6391985961114699, 0.8334354040540006, 0.5289375042647094, 0.6393067075967054, 0.5882035485561359, 0.5025692159591699]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.6523088306299769, 1.077996946842461, 0.7954762466858369, 0.7657411127707974, 0.7783640626426518, 0.5349536485504132]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4061412548472934, 1.7911073026555784, 1.4554751555521939, 1.7265685888784579, 1.531439231389517, 1.1566206595568278]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4780875202205255, 2.284352808916856, 1.7678463426292828, 2.1379466307003785, 1.773951815275936, 1.1722961023709662]}}