{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:49:15.984297", "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": "2011-Dec-27_to_2011-Dec-29_296.5_-39.5"}, "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": 2011120002753}, "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": "December 27 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 29 2011"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 123479.71135946966}, "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": ["Argentina"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.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": []}, "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": -39.5}, "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": 296.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "296.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 292.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 298.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -40.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -36.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-12-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-67.53, -37.47], [-67.0, -37.25], [-66.75, -37.35], [-66.68, -37.32], [-66.53, -36.97], [-66.18, -36.82], [-66.03, -36.47], [-65.5, -36.25], [-65.0, -36.46], [-64.5, -36.25], [-64.25, -36.35], [-64.0, -36.25], [-63.75, -36.35], [-63.5, -36.25], [-62.97, -36.47], [-62.82, -36.82], [-62.47, -36.97], [-62.32, -37.32], [-61.97, -37.47], [-61.82, -37.82], [-61.75, -37.85], [-61.5, -37.75], [-60.97, -37.97], [-60.75, -38.5], [-60.85, -38.75], [-60.75, -39.0], [-60.97, -39.53], [-61.5, -39.75], [-61.8, -39.62], [-61.97, -40.03], [-62.32, -40.18], [-62.47, -40.53], [-63.0, -40.75], [-63.25, -40.65], [-63.5, -40.75], [-63.75, -40.65], [-64.0, -40.75], [-64.53, -40.53], [-64.68, -40.18], [-65.03, -40.03], [-65.18, -39.68], [-65.25, -39.65], [-65.5, -39.75], [-65.75, -39.65], [-66.0, -39.75], [-66.25, -39.65], [-66.5, -39.75], [-67.03, -39.53], [-67.18, -39.18], [-67.53, -39.03], [-67.75, -38.5], [-67.65, -38.25], [-67.75, -38.0], [-67.53, -37.47]]]]}, "2011-12-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-67.53, -37.47], [-67.0, -37.25], [-66.75, -37.35], [-66.68, -37.32], [-66.53, -36.97], [-66.18, -36.82], [-66.03, -36.47], [-65.5, -36.25], [-65.0, -36.46], [-64.5, -36.25], [-64.25, -36.35], [-64.0, -36.25], [-63.75, -36.35], [-63.5, -36.25], [-62.97, -36.47], [-62.82, -36.82], [-62.47, -36.97], [-62.32, -37.32], [-61.97, -37.47], [-61.82, -37.82], [-61.75, -37.85], [-61.5, -37.75], [-60.97, -37.97], [-60.75, -38.5], [-60.85, -38.75], [-60.75, -39.0], [-60.97, -39.53], [-61.5, -39.75], [-61.8, -39.62], [-61.97, -40.03], [-62.32, -40.18], [-62.47, -40.53], [-63.0, -40.75], [-63.25, -40.65], [-63.5, -40.75], [-63.75, -40.65], [-64.0, -40.75], [-64.53, -40.53], [-64.68, -40.18], [-65.03, -40.03], [-65.18, -39.68], [-65.25, -39.65], [-65.5, -39.75], [-65.75, -39.65], [-66.0, -39.75], [-66.25, -39.65], [-66.5, -39.75], [-67.03, -39.53], [-67.18, -39.18], [-67.53, -39.03], [-67.75, -38.5], [-67.65, -38.25], [-67.75, -38.0], [-67.53, -37.47]]]]}, "2011-12-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-67.53, -37.47], [-67.0, -37.25], [-66.75, -37.35], [-66.68, -37.32], [-66.53, -36.97], [-66.18, -36.82], [-66.03, -36.47], [-65.5, -36.25], [-65.0, -36.46], [-64.5, -36.25], [-64.25, -36.35], [-64.0, -36.25], [-63.75, -36.35], [-63.5, -36.25], [-62.97, -36.47], [-62.82, -36.82], [-62.47, -36.97], [-62.32, -37.32], [-61.97, -37.47], [-61.82, -37.82], [-61.75, -37.85], [-61.5, -37.75], [-60.97, -37.97], [-60.75, -38.5], [-60.85, -38.75], [-60.75, -39.0], [-60.97, -39.53], [-61.5, -39.75], [-61.8, -39.62], [-61.97, -40.03], [-62.32, -40.18], [-62.47, -40.53], [-63.0, -40.75], [-63.25, -40.65], [-63.5, -40.75], [-63.75, -40.65], [-64.0, -40.75], [-64.53, -40.53], [-64.68, -40.18], [-65.03, -40.03], [-65.18, -39.68], [-65.25, -39.65], [-65.5, -39.75], [-65.75, -39.65], [-66.0, -39.75], [-66.25, -39.65], [-66.5, -39.75], [-67.03, -39.53], [-67.18, -39.18], [-67.53, -39.03], [-67.75, -38.5], [-67.65, -38.25], [-67.75, -38.0], [-67.53, -37.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.5307305645993665}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.223723949148546}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.934031435733516, 30.03190426074849, 29.243457926452663]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [31.258704450019763, 31.702535686921976, 30.756436011949177]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.644317758219669, 5.785272638767438, 5.24158145045853]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.459569134894309, 7.5307305645993665, 7.308025293794003]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5327065658674837, 1.9105840500484013, 1.6629127774959005]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.82691615131665, 2.345651595723039, 2.081018399580415]}}