{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:48:32.664801", "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-Sep-27_to_2011-Oct-01_277.5_9.5"}, "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": 2011090002765}, "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 27 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 01 2011"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 61085.4350880619}, "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": ["Costa Rica", "Panama"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.Central-America"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["North 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": ["Caribbean Sea"]}, "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": 9.5}, "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": 277.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "277.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 275.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 280.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 7.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 10.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-09-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-84.53, 10.53], [-84.0, 10.75], [-83.47, 10.53], [-83.32, 10.18], [-83.25, 10.15], [-83.0, 10.25], [-82.47, 10.03], [-82.32, 9.68], [-81.97, 9.53], [-81.82, 9.18], [-81.75, 9.15], [-81.5, 9.25], [-81.0, 9.04], [-80.5, 9.25], [-80.25, 9.15], [-80.0, 9.25], [-79.47, 9.03], [-79.25, 8.5], [-79.47, 7.97], [-79.82, 7.82], [-79.85, 7.75], [-79.75, 7.5], [-79.97, 6.97], [-80.5, 6.75], [-81.03, 6.97], [-81.18, 7.32], [-81.25, 7.35], [-81.5, 7.25], [-82.03, 7.47], [-82.18, 7.82], [-82.25, 7.85], [-82.5, 7.75], [-82.75, 7.85], [-83.0, 7.75], [-83.53, 7.97], [-83.68, 8.32], [-84.03, 8.47], [-84.18, 8.82], [-84.53, 8.97], [-84.75, 9.5], [-84.65, 9.75], [-84.75, 10.0], [-84.53, 10.53]]]]}, "2011-09-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-84.53, 10.53], [-84.0, 10.75], [-83.75, 10.65], [-83.5, 10.75], [-82.97, 10.53], [-82.82, 10.18], [-82.75, 10.15], [-82.5, 10.25], [-81.97, 10.03], [-81.82, 9.68], [-81.47, 9.53], [-81.32, 9.18], [-81.0, 9.04], [-80.5, 9.25], [-80.25, 9.15], [-80.0, 9.25], [-79.47, 9.03], [-79.25, 8.5], [-79.47, 7.97], [-79.82, 7.82], [-79.85, 7.75], [-79.75, 7.5], [-79.97, 6.97], [-80.5, 6.75], [-81.03, 6.97], [-81.18, 7.32], [-81.25, 7.35], [-81.5, 7.25], [-82.03, 7.47], [-82.18, 7.82], [-82.25, 7.85], [-82.5, 7.75], [-82.75, 7.85], [-83.0, 7.75], [-83.53, 7.97], [-83.68, 8.32], [-84.03, 8.47], [-84.18, 8.82], [-84.53, 8.97], [-84.75, 9.5], [-84.65, 9.75], [-84.75, 10.0], [-84.53, 10.53]]]]}, "2011-09-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-84.53, 10.53], [-84.0, 10.75], [-83.75, 10.65], [-83.5, 10.75], [-82.97, 10.53], [-82.82, 10.18], [-82.75, 10.15], [-82.5, 10.25], [-81.97, 10.03], [-81.82, 9.68], [-81.47, 9.53], [-81.32, 9.18], [-81.0, 9.04], [-80.5, 9.25], [-80.25, 9.15], [-80.0, 9.25], [-79.47, 9.03], [-79.25, 8.5], [-79.47, 7.97], [-79.82, 7.82], [-79.85, 7.75], [-79.75, 7.5], [-79.97, 6.97], [-80.5, 6.75], [-81.03, 6.97], [-81.18, 7.32], [-81.25, 7.35], [-81.5, 7.25], [-82.03, 7.47], [-82.18, 7.82], [-82.25, 7.85], [-82.5, 7.75], [-82.75, 7.85], [-83.0, 7.75], [-83.53, 7.97], [-83.68, 8.32], [-84.03, 8.47], [-84.18, 8.82], [-84.53, 8.97], [-84.75, 9.5], [-84.65, 9.75], [-84.75, 10.0], [-84.53, 10.53]]]]}, "2011-09-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-84.03, 9.47], [-84.25, 10.0], [-84.03, 10.53], [-83.5, 10.75], [-82.97, 10.53], [-82.8, 10.12], [-82.5, 10.25], [-81.97, 10.03], [-81.82, 9.68], [-81.47, 9.53], [-81.25, 9.0], [-81.47, 8.47], [-82.0, 8.25], [-82.53, 8.47], [-82.68, 8.82], [-83.03, 8.97], [-83.2, 9.38], [-83.5, 9.25], [-84.03, 9.47]]]]}, "2011-10-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-83.25, 9.5], [-83.03, 10.03], [-82.5, 10.25], [-81.97, 10.03], [-81.82, 9.68], [-81.47, 9.53], [-81.25, 9.0], [-81.47, 8.47], [-82.0, 8.25], [-82.53, 8.47], [-82.68, 8.82], [-83.03, 8.97], [-83.25, 9.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.03904368388487}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.2842815088913586}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [23.768556997951407, 24.470179194367063, 24.52929846135953, 25.758232136288996, 27.173827591965164]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.64486732907261, 28.311737061489907, 28.435036449913582, 27.491784340768618, 27.492777494482254]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.037518533245806, 1.4156306109633732, 1.4669817842575952, 0.7990426731133198, 0.9691312811631008]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.3382404078066656, 1.9310262558464046, 2.03904368388487, 0.8684682291869876, 1.0422181262790104]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5624764833430005, 2.150705740899169, 2.2932690866251706, 1.4376286832223932, 1.7947719025048696]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9329468132093957, 2.552634921199896, 3.0540271653052775, 1.5098227824637909, 1.9991091147448254]}}